Update version tag for release

[Port dspace-7_x] Fixed menu not updating when a new sub section is added after rendering has already completed

.github/disabled-workflows/pull_request_opened.yml

@@ -1,26 +0,0 @@
-# This workflow runs whenever a new pull request is created
-# TEMPORARILY DISABLED. Unfortunately this doesn't work for PRs created from forked repositories (which is how we tend to create PRs).
-# There is no known workaround yet. See https://github.community/t/how-to-use-github-token-for-prs-from-forks/16818
-name: Pull Request opened
-
-# Only run for newly opened PRs against the "main" branch
-on: 
-  pull_request:
-    types: [opened]
-    branches: 
-      - main
-
-jobs:
-  automation:
-    runs-on: ubuntu-latest
-    steps:
-    # Assign the PR to whomever created it. This is useful for visualizing assignments on project boards
-    # See https://github.com/marketplace/actions/pull-request-assigner
-    - name: Assign PR to creator
-      uses: thomaseizinger/assign-pr-creator-action@v1.0.0
-      # Note, this authentication token is created automatically
-      # See: https://docs.github.com/en/actions/configuring-and-managing-workflows/authenticating-with-the-github_token
-      with:
-        repo-token: ${{ secrets.GITHUB_TOKEN }}
-      # Ignore errors. It is possible the PR was created by someone who cannot be assigned
-      continue-on-error: true

.github/workflows/codescan.yml

@@ -5,12 +5,16 @@
 # because CodeQL requires a fresh build with all tests *disabled*.
 name: "Code Scanning"
 
-# Run this code scan for all pushes / PRs to main branch. Also run once a week.
+# Run this code scan for all pushes / PRs to main or maintenance branches. Also run once a week.
 on:
   push:
-    branches: [ main ]
+    branches:
+      - main
+      - 'dspace-**'
   pull_request:
-    branches: [ main ]
+    branches:
+      - main
+      - 'dspace-**'
     # Don't run if PR is only updating static documentation
     paths-ignore:
       - '**/*.md'

.github/workflows/docker.yml

@@ -15,29 +15,35 @@ on:
 permissions:
   contents: read  #  to fetch code (actions/checkout)
 
+
+env:
+  # Define tags to use for Docker images based on Git tags/branches (for docker/metadata-action)
+  # For a new commit on default branch (main), use the literal tag 'latest' on Docker image.
+  # For a new commit on other branches, use the branch name as the tag for Docker image.
+  # For a new tag, copy that tag name as the tag for Docker image.
+  IMAGE_TAGS: |
+    type=raw,value=latest,enable=${{ endsWith(github.ref, github.event.repository.default_branch) }}
+    type=ref,event=branch,enable=${{ !endsWith(github.ref, github.event.repository.default_branch) }}
+    type=ref,event=tag
+  # Define default tag "flavor" for docker/metadata-action per
+  # https://github.com/docker/metadata-action#flavor-input
+  # We manage the 'latest' tag ourselves to the 'main' branch (see settings above)
+  TAGS_FLAVOR: |
+    latest=false
+  # Architectures / Platforms for which we will build Docker images
+  # If this is a PR, we ONLY build for AMD64. For PRs we only do a sanity check test to ensure Docker builds work.
+  # If this is NOT a PR (e.g. a tag or merge commit), also build for ARM64.
+  PLATFORMS: linux/amd64${{ github.event_name != 'pull_request' && ', linux/arm64' || '' }}
+
+
 jobs:
-  docker:
+  ###############################################
+  # Build/Push the 'dspace/dspace-angular' image
+  ###############################################
+  dspace-angular:
     # Ensure this job never runs on forked repos. It's only executed for 'dspace/dspace-angular'
     if: github.repository == 'dspace/dspace-angular'
     runs-on: ubuntu-latest
-    env:
-      # Define tags to use for Docker images based on Git tags/branches (for docker/metadata-action)
-      # For a new commit on default branch (main), use the literal tag 'dspace-7_x' on Docker image.
-      # For a new commit on other branches, use the branch name as the tag for Docker image.
-      # For a new tag, copy that tag name as the tag for Docker image.
-      IMAGE_TAGS: |
-        type=raw,value=dspace-7_x,enable=${{ endsWith(github.ref, github.event.repository.default_branch) }}
-        type=ref,event=branch,enable=${{ !endsWith(github.ref, github.event.repository.default_branch) }}
-        type=ref,event=tag
-      # Define default tag "flavor" for docker/metadata-action per
-      # https://github.com/docker/metadata-action#flavor-input
-      # We turn off 'latest' tag by default.
-      TAGS_FLAVOR: |
-        latest=false
-      # Architectures / Platforms for which we will build Docker images
-      # If this is a PR, we ONLY build for AMD64. For PRs we only do a sanity check test to ensure Docker builds work.
-      # If this is NOT a PR (e.g. a tag or merge commit), also build for ARM64.
-      PLATFORMS: linux/amd64${{ github.event_name != 'pull_request' && ', linux/arm64' || '' }}
 
     steps:
       # https://github.com/actions/checkout
@@ -61,9 +67,6 @@ jobs:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_ACCESS_TOKEN }}
 
-      ###############################################
-      # Build/Push the 'dspace/dspace-angular' image
-      ###############################################
       # https://github.com/docker/metadata-action
       # Get Metadata for docker_build step below
       - name: Sync metadata (tags, labels) from GitHub to Docker for 'dspace-angular' image
@@ -77,7 +80,7 @@ jobs:
       # https://github.com/docker/build-push-action
       - name: Build and push 'dspace-angular' image
         id: docker_build
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@v4
         with:
           context: .
           file: ./Dockerfile
@@ -89,9 +92,36 @@ jobs:
           tags: ${{ steps.meta_build.outputs.tags }}
           labels: ${{ steps.meta_build.outputs.labels }}
 
-      #####################################################
-      # Build/Push the 'dspace/dspace-angular' image ('-dist' tag)
-      #####################################################
+  #############################################################
+  # Build/Push the 'dspace/dspace-angular' image ('-dist' tag)
+  #############################################################
+  dspace-angular-dist:
+    # Ensure this job never runs on forked repos. It's only executed for 'dspace/dspace-angular'
+    if: github.repository == 'dspace/dspace-angular'
+    runs-on: ubuntu-latest
+
+    steps:
+      # https://github.com/actions/checkout
+      - name: Checkout codebase
+        uses: actions/checkout@v3
+
+      # https://github.com/docker/setup-buildx-action
+      - name: Setup Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      # https://github.com/docker/setup-qemu-action
+      - name: Set up QEMU emulation to build for multiple architectures
+        uses: docker/setup-qemu-action@v2
+
+      # https://github.com/docker/login-action
+      - name: Login to DockerHub
+        # Only login if not a PR, as PRs only trigger a Docker build and not a push
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_ACCESS_TOKEN }}
+
       # https://github.com/docker/metadata-action
       # Get Metadata for docker_build_dist step below
       - name: Sync metadata (tags, labels) from GitHub to Docker for 'dspace-angular-dist' image
@@ -107,7 +137,7 @@ jobs:
 
       - name: Build and push 'dspace-angular-dist' image
         id: docker_build_dist
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@v4
         with:
           context: .
           file: ./Dockerfile.dist

.github/workflows/label_merge_conflicts.yml

@@ -1,11 +1,12 @@
 # This workflow checks open PRs for merge conflicts and labels them when conflicts are found
 name: Check for merge conflicts
 
-# Run whenever the "main" branch is updated
-# NOTE: This means merge conflicts are only checked for when a PR is merged to main.
+# Run this for all pushes (i.e. merges) to 'main' or maintenance branches
 on:
   push:
-    branches: [ main ]
+    branches:
+      - main
+      - 'dspace-**'
   # So that the `conflict_label_name` is removed if conflicts are resolved,
   # we allow this to run for `pull_request_target` so that github secrets are available.
   pull_request_target:
@@ -24,6 +25,8 @@ jobs:
       # See: https://github.com/prince-chrismc/label-merge-conflicts-action
       - name: Auto-label PRs with merge conflicts
         uses: prince-chrismc/label-merge-conflicts-action@v3
+        # Ignore any failures -- may occur (randomly?) for older, outdated PRs.
+        continue-on-error: true
         # Add "merge conflict" label if a merge conflict is detected. Remove it when resolved.
         # Note, the authentication token is created automatically
         # See: https://docs.github.com/en/actions/configuring-and-managing-workflows/authenticating-with-the-github_token

.github/workflows/port_merged_pull_request.yml

@@ -0,0 +1,46 @@
+# This workflow will attempt to port a merged pull request to
+# the branch specified in a "port to" label (if exists)
+name: Port merged Pull Request
+
+# Only run for merged PRs against the "main" or maintenance branches
+# We allow this to run for `pull_request_target` so that github secrets are available
+# (This is required when the PR comes from a forked repo)
+on:
+  pull_request_target:
+    types: [ closed ]
+    branches:
+      - main
+      - 'dspace-**'
+
+permissions:
+  contents: write      # so action can add comments
+  pull-requests: write # so action can create pull requests
+
+jobs:
+  port_pr:
+    runs-on: ubuntu-latest
+    # Don't run on closed *unmerged* pull requests
+    if: github.event.pull_request.merged
+    steps:
+      # Checkout code
+      - uses: actions/checkout@v3
+      # Port PR to other branch (ONLY if labeled with "port to")
+      # See https://github.com/korthout/backport-action
+      - name: Create backport pull requests
+        uses: korthout/backport-action@v1
+        with:
+          # Trigger based on a "port to [branch]" label on PR
+          # (This label must specify the branch name to port to)
+          label_pattern: '^port to ([^ ]+)$'
+          # Title to add to the (newly created) port PR
+          pull_title: '[Port ${target_branch}] ${pull_title}'
+          # Description to add to the (newly created) port PR
+          pull_description: 'Port of #${pull_number} by @${pull_author} to `${target_branch}`.'
+          # Copy all labels from original PR to (newly created) port PR
+          # NOTE: The labels matching 'label_pattern' are automatically excluded
+          copy_labels_pattern: '.*'
+          # Skip any merge commits in the ported PR. This means only non-merge commits are cherry-picked to the new PR
+          merge_commits: 'skip'
+          # Use a personal access token (PAT) to create PR as 'dspace-bot' user.
+          # A PAT is required in order for the new PR to trigger its own actions (for CI checks)
+          github_token: ${{ secrets.PR_PORT_TOKEN }}

.github/workflows/pull_request_opened.yml

@@ -0,0 +1,24 @@
+# This workflow runs whenever a new pull request is created
+name: Pull Request opened
+
+# Only run for newly opened PRs against the "main" or maintenance branches
+# We allow this to run for `pull_request_target` so that github secrets are available
+# (This is required to assign a PR back to the creator when the PR comes from a forked repo)
+on:
+  pull_request_target:
+    types: [ opened ]
+    branches:
+      - main
+      - 'dspace-**'
+
+permissions:
+  pull-requests: write
+
+jobs:
+  automation:
+    runs-on: ubuntu-latest
+    steps:
+    # Assign the PR to whomever created it. This is useful for visualizing assignments on project boards
+    # See https://github.com/toshimaru/auto-author-assign
+    - name: Assign PR to creator
+      uses: toshimaru/auto-author-assign@v1.6.2

README.md

@@ -157,8 +157,8 @@ DSPACE_UI_SSL => DSPACE_SSL
 
 The same settings can also be overwritten by setting system environment variables instead, E.g.:
 ```bash
-export DSPACE_HOST=api7.dspace.org
-export DSPACE_UI_PORT=4200
+export DSPACE_HOST=demo.dspace.org
+export DSPACE_UI_PORT=4000
 ```
 
 The priority works as follows: **environment variable** overrides **variable in `.env` file** overrides external config set by `DSPACE_APP_CONFIG_PATH` overrides **`config.(prod or dev).yml`**
@@ -288,7 +288,7 @@ E2E tests (aka integration tests) use [Cypress.io](https://www.cypress.io/). Con
 The test files can be found in the `./cypress/integration/` folder.
 
 Before you can run e2e tests, two things are REQUIRED:
-1. You MUST be running the DSpace backend (i.e. REST API) locally. The e2e tests will *NOT* succeed if run against our demo REST API (https://api7.dspace.org/server/), as that server is uncontrolled and may have content added/removed at any time.
+1. You MUST be running the DSpace backend (i.e. REST API) locally. The e2e tests will *NOT* succeed if run against our demo/sandbox REST API (https://demo.dspace.org/server/ or https://sandbox.dspace.org/server/), as those sites may have content added/removed at any time.
     * After starting up your backend on localhost, make sure either your `config.prod.yml` or `config.dev.yml` has its `rest` settings defined to use that localhost backend.
 	* If you'd prefer, you may instead use environment variables as described at [Configuring](#configuring). For example:
        ```

config/config.example.yml

@@ -22,7 +22,7 @@ ui:
 # 'synced' with the 'dspace.server.url' setting in your backend's local.cfg.
 rest:
   ssl: true
-  host: api7.dspace.org
+  host: demo.dspace.org
   port: 443
   # NOTE: Space is capitalized because 'namespace' is a reserved string in TypeScript
   nameSpace: /server
@@ -208,6 +208,9 @@ languages:
   - code: pt-BR
     label: Português do Brasil
     active: true
+  - code: sr-lat
+    label: Srpski (lat)
+    active: true
   - code: fi
     label: Suomi
     active: true
@@ -232,6 +235,9 @@ languages:
   - code: el
     label: Ελληνικά
     active: true
+  - code: sr-cyr
+    label: Српски
+    active: true
   - code: uk
     label: Yкраї́нська
     active: true
@@ -292,33 +298,33 @@ themes:
   #
   # # A theme with a handle property will match the community, collection or item with the given
   # # handle, and all collections and/or items within it
-  # - name: 'custom',
-  #   handle: '10673/1233'
+  # - name: custom
+  #   handle: 10673/1233
   #
   # # A theme with a regex property will match the route using a regular expression. If it
   # # matches the route for a community or collection it will also apply to all collections
   # # and/or items within it
-  # - name: 'custom',
-  #   regex: 'collections\/e8043bc2.*'
+  # - name: custom
+  #   regex: collections\/e8043bc2.*
   #
   # # A theme with a uuid property will match the community, collection or item with the given
   # # ID, and all collections and/or items within it
-  # - name: 'custom',
-  #   uuid: '0958c910-2037-42a9-81c7-dca80e3892b4'
+  # - name: custom
+  #   uuid: 0958c910-2037-42a9-81c7-dca80e3892b4
   #
   # # The extends property specifies an ancestor theme (by name). Whenever a themed component is not found
   # # in the current theme, its ancestor theme(s) will be checked recursively before falling back to default.
-  # - name: 'custom-A',
-  #   extends: 'custom-B',
+  # - name: custom-A
+  #   extends: custom-B
   #   # Any of the matching properties above can be used
-  #   handle: '10673/34'
+  #   handle: 10673/34
   #
-  # - name: 'custom-B',
-  #   extends: 'custom',
-  #   handle: '10673/12'
+  # - name: custom-B
+  #   extends: custom
+  #   handle: 10673/12
   #
   # # A theme with only a name will match every route
-  # name: 'custom'
+  # name: custom
   #
   # # This theme will use the default bootstrap styling for DSpace components
   # - name: BASE_THEME_NAME
@@ -379,4 +385,4 @@ vocabularies:
 # Default collection/community sorting order at Advanced search, Create/update community and collection when there are not a query. 
 comcolSelectionSort:
   sortField: 'dc.title'
-  sortDirection: 'ASC'
+  sortDirection: 'ASC'

config/config.yml

@@ -1,5 +1,5 @@
 rest:
   ssl: true
-  host: api7.dspace.org
+  host: demo.dspace.org
   port: 443
   nameSpace: /server

cypress/e2e/community-list.cy.ts

@@ -1,4 +1,3 @@
-import { Options } from 'cypress-axe';
 import { testA11y } from 'cypress/support/utils';
 
 describe('Community List Page', () => {
@@ -13,13 +12,6 @@ describe('Community List Page', () => {
         cy.get('[data-test="expand-button"]').click({ multiple: true });
 
         // Analyze <ds-community-list-page> for accessibility issues
-        // Disable heading-order checks until it is fixed
-        testA11y('ds-community-list-page',
-            {
-                rules: {
-                    'heading-order': { enabled: false }
-                }
-            } as Options
-        );
+        testA11y('ds-community-list-page');
     });
 });

cypress/e2e/header.cy.ts

@@ -11,8 +11,7 @@ describe('Header', () => {
         testA11y({
             include: ['ds-header'],
             exclude: [
-                ['#search-navbar-container'], // search in navbar has duplicative ID. Will be fixed in #1174
-                ['.dropdownLogin']            // "Log in" link has color contrast issues. Will be fixed in #1149
+                ['#search-navbar-container'] // search in navbar has duplicative ID. Will be fixed in #1174
             ],
         });
     });

cypress/e2e/item-page.cy.ts

@@ -1,4 +1,3 @@
-import { Options } from 'cypress-axe';
 import { TEST_ENTITY_PUBLICATION } from 'cypress/support/e2e';
 import { testA11y } from 'cypress/support/utils';
 
@@ -19,13 +18,16 @@ describe('Item  Page', () => {
         cy.get('ds-item-page').should('be.visible');
 
         // Analyze <ds-item-page> for accessibility issues
-        // Disable heading-order checks until it is fixed
-        testA11y('ds-item-page',
-            {
-                rules: {
-                    'heading-order': { enabled: false }
-                }
-            } as Options
-        );
+        testA11y('ds-item-page');
+    });
+
+    it('should pass accessibility tests on full item page', () => {
+        cy.visit(ENTITYPAGE + '/full');
+
+        // <ds-full-item-page> tag must be loaded
+        cy.get('ds-full-item-page').should('be.visible');
+
+        // Analyze <ds-full-item-page> for accessibility issues
+        testA11y('ds-full-item-page');
     });
 });

cypress/e2e/login-modal.cy.ts

@@ -1,4 +1,5 @@
 import { TEST_ADMIN_PASSWORD, TEST_ADMIN_USER, TEST_ENTITY_PUBLICATION } from 'cypress/support/e2e';
+import { testA11y } from 'cypress/support/utils';
 
 const page = {
     openLoginMenu() {
@@ -123,4 +124,15 @@ describe('Login Modal', () => {
         cy.location('pathname').should('eq', '/forgot');
         cy.get('ds-forgot-email').should('exist');
     });
+
+    it('should pass accessibility tests', () => {
+        cy.visit('/');
+
+        page.openLoginMenu();
+
+        cy.get('ds-log-in').should('exist');
+
+        // Analyze <ds-log-in> for accessibility issues
+        testA11y('ds-log-in');
+    });
 });

cypress/e2e/my-dspace.cy.ts

@@ -19,21 +19,7 @@ describe('My DSpace page', () => {
         cy.get('.filter-toggle').click({ multiple: true });
 
         // Analyze <ds-my-dspace-page> for accessibility issues
-        testA11y(
-            {
-                include: ['ds-my-dspace-page'],
-                exclude: [
-                    ['nouislider'] // Date filter slider is missing ARIA labels. Will be fixed by #1175
-                ],
-            },
-            {
-                rules: {
-                    // Search filters fail these two "moderate" impact rules
-                    'heading-order': { enabled: false },
-                    'landmark-unique': { enabled: false }
-                }
-            } as Options
-        );
+        testA11y('ds-my-dspace-page');
     });
 
     it('should have a working detailed view that passes accessibility tests', () => {

cypress/e2e/pagenotfound.cy.ts

@@ -1,8 +1,13 @@
+import { testA11y } from 'cypress/support/utils';
+
 describe('PageNotFound', () => {
     it('should contain element ds-pagenotfound when navigating to page that doesnt exist', () => {
         // request an invalid page (UUIDs at root path aren't valid)
         cy.visit('/e9019a69-d4f1-4773-b6a3-bd362caa46f2', { failOnStatusCode: false });
         cy.get('ds-pagenotfound').should('be.visible');
+
+        // Analyze <ds-pagenotfound> for accessibility issues
+        testA11y('ds-pagenotfound');
     });
 
     it('should not contain element ds-pagenotfound when navigating to existing page', () => {

cypress/e2e/search-page.cy.ts

@@ -27,21 +27,7 @@ describe('Search Page', () => {
         cy.get('[data-test="filter-toggle"]').click({ multiple: true });
 
         // Analyze <ds-search-page> for accessibility issues
-        testA11y(
-            {
-                include: ['ds-search-page'],
-                exclude: [
-                    ['nouislider'] // Date filter slider is missing ARIA labels. Will be fixed by #1175
-                ],
-            },
-            {
-                rules: {
-                    // Search filters fail these two "moderate" impact rules
-                    'heading-order': { enabled: false },
-                    'landmark-unique': { enabled: false }
-                }
-            } as Options
-        );
+        testA11y('ds-search-page');
     });
 
     it('should have a working grid view that passes accessibility tests', () => {

cypress/support/commands.ts

@@ -177,6 +177,8 @@ function generateViewEvent(uuid: string, dsoType: string): void {
                 [XSRF_REQUEST_HEADER] : csrfToken,
                 // use a known public IP address to avoid being seen as a "bot"
                 'X-Forwarded-For': '1.1.1.1',
+                // Use a user-agent of a Firefox browser on Windows. This again avoids being seen as a "bot"
+                'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/119.0',
             },
             //form: true, // indicates the body should be form urlencoded
             body: { targetId: uuid, targetType: dsoType },

docker/README.md

@@ -101,8 +101,8 @@ and the backend at http://localhost:8080/server/
 
 ## Run DSpace Angular dist build with DSpace Demo site backend
 
-This allows you to run the Angular UI in *production* mode, pointing it at the demo backend
-(https://api7.dspace.org/server/).
+This allows you to run the Angular UI in *production* mode, pointing it at the demo or sandbox backend
+(https://demo.dspace.org/server/ or https://sandbox.dspace.org/server/).
 
 ```
 docker-compose -f docker/docker-compose-dist.yml pull

docker/docker-compose-dist.yml

@@ -24,7 +24,7 @@ services:
       # This is because Server Side Rendering (SSR) currently requires a public URL,
       # see this bug: https://github.com/DSpace/dspace-angular/issues/1485
       DSPACE_REST_SSL: 'true'
-      DSPACE_REST_HOST: api7.dspace.org
+      DSPACE_REST_HOST: demo.dspace.org
       DSPACE_REST_PORT: 443
       DSPACE_REST_NAMESPACE: /server
     image: dspace/dspace-angular:dspace-7_x-dist

docs/Configuration.md

@@ -48,7 +48,7 @@ dspace-angular connects to your DSpace installation by using its REST endpoint.
 ```yaml
 rest:
   ssl: true
-  host: api7.dspace.org
+  host: demo.dspace.org
   port: 443
   nameSpace: /server
 }
@@ -57,7 +57,7 @@ rest:
 Alternately you can set the following environment variables. If any of these are set, it will override all configuration files:
 ```
   DSPACE_REST_SSL=true
-  DSPACE_REST_HOST=api7.dspace.org
+  DSPACE_REST_HOST=demo.dspace.org
   DSPACE_REST_PORT=443
   DSPACE_REST_NAMESPACE=/server
 ```

package.json

@@ -1,6 +1,6 @@
 {
   "name": "dspace-angular",
-  "version": "7.6.0",
+  "version": "7.6.1",
   "scripts": {
     "ng": "ng",
     "config:watch": "nodemon",
@@ -15,14 +15,14 @@
     "analyze": "webpack-bundle-analyzer dist/browser/stats.json",
     "build": "ng build --configuration development",
     "build:stats": "ng build --stats-json",
-    "build:prod": "yarn run build:ssr",
+    "build:prod": "cross-env NODE_ENV=production yarn run build:ssr",
     "build:ssr": "ng build --configuration production && ng run dspace-angular:server:production",
     "test": "ng test --source-map=true --watch=false --configuration test",
     "test:watch": "nodemon --exec \"ng test --source-map=true --watch=true --configuration test\"",
     "test:headless": "ng test --source-map=true --watch=false --configuration test --browsers=ChromeHeadless --code-coverage",
     "lint": "ng lint",
     "lint-fix": "ng lint --fix=true",
-    "e2e": "ng e2e",
+    "e2e": "cross-env NODE_ENV=production ng e2e",
     "clean:dev:config": "rimraf src/assets/config.json",
     "clean:coverage": "rimraf coverage",
     "clean:dist": "rimraf dist",
@@ -82,7 +82,7 @@
     "@types/grecaptcha": "^3.0.4",
     "angular-idle-preload": "3.0.0",
     "angulartics2": "^12.2.0",
-    "axios": "^0.27.2",
+    "axios": "^1.6.0",
     "bootstrap": "^4.6.1",
     "cerialize": "0.1.18",
     "cli-progress": "^3.12.0",
@@ -99,6 +99,7 @@
     "fast-json-patch": "^3.1.1",
     "filesize": "^6.1.0",
     "http-proxy-middleware": "^1.0.5",
+    "http-terminator": "^3.2.0",
     "isbot": "^3.6.10",
     "js-cookie": "2.2.1",
     "js-yaml": "^4.1.0",
@@ -116,12 +117,12 @@
     "morgan": "^1.10.0",
     "ng-mocks": "^14.10.0",
     "ng2-file-upload": "1.4.0",
-    "ng2-nouislider": "^1.8.3",
+    "ng2-nouislider": "^2.0.0",
     "ngx-infinite-scroll": "^15.0.0",
     "ngx-pagination": "6.0.3",
     "ngx-sortablejs": "^11.1.0",
     "ngx-ui-switch": "^14.0.3",
-    "nouislider": "^14.6.3",
+    "nouislider": "^15.7.1",
     "pem": "1.14.7",
     "prop-types": "^15.8.1",
     "react-copy-to-clipboard": "^5.1.0",
@@ -159,11 +160,11 @@
     "@types/sanitize-html": "^2.9.0",
     "@typescript-eslint/eslint-plugin": "^5.59.1",
     "@typescript-eslint/parser": "^5.59.1",
-    "axe-core": "^4.7.0",
+    "axe-core": "^4.7.2",
     "compression-webpack-plugin": "^9.2.0",
     "copy-webpack-plugin": "^6.4.1",
     "cross-env": "^7.0.3",
-    "cypress": "12.10.0",
+    "cypress": "12.17.4",
     "cypress-axe": "^1.4.0",
     "deep-freeze": "0.0.1",
     "eslint": "^8.39.0",

server.ts

@@ -32,6 +32,7 @@ import isbot from 'isbot';
 import { createCertificate } from 'pem';
 import { createServer } from 'https';
 import { json } from 'body-parser';
+import { createHttpTerminator } from 'http-terminator';
 
 import { readFileSync } from 'fs';
 import { join } from 'path';
@@ -320,22 +321,23 @@ function initCache() {
   if (botCacheEnabled()) {
     // Initialize a new "least-recently-used" item cache (where least recently used pages are removed first)
     // See https://www.npmjs.com/package/lru-cache
-    // When enabled, each page defaults to expiring after 1 day
+    // When enabled, each page defaults to expiring after 1 day (defined in default-app-config.ts)
     botCache = new LRU( {
       max: environment.cache.serverSide.botCache.max,
-      ttl: environment.cache.serverSide.botCache.timeToLive || 24 * 60 * 60 * 1000, // 1 day
-      allowStale: environment.cache.serverSide.botCache.allowStale ?? true // if object is stale, return stale value before deleting
+      ttl: environment.cache.serverSide.botCache.timeToLive,
+      allowStale: environment.cache.serverSide.botCache.allowStale
     });
   }
 
   if (anonymousCacheEnabled()) {
     // NOTE: While caches may share SSR pages, this cache must be kept separately because the timeToLive
     // may expire pages more frequently.
-    // When enabled, each page defaults to expiring after 10 seconds (to minimize anonymous users seeing out-of-date content)
+    // When enabled, each page defaults to expiring after 10 seconds (defined in default-app-config.ts)
+    // to minimize anonymous users seeing out-of-date content
     anonymousCache = new LRU( {
       max: environment.cache.serverSide.anonymousCache.max,
-      ttl: environment.cache.serverSide.anonymousCache.timeToLive || 10 * 1000, // 10 seconds
-      allowStale: environment.cache.serverSide.anonymousCache.allowStale ?? true // if object is stale, return stale value before deleting
+      ttl: environment.cache.serverSide.anonymousCache.timeToLive,
+      allowStale: environment.cache.serverSide.anonymousCache.allowStale
     });
   }
 }
@@ -487,7 +489,7 @@ function saveToCache(req, page: any) {
  */
 function hasNotSucceeded(statusCode) {
   const rgx = new RegExp(/^20+/);
-  return !rgx.test(statusCode)
+  return !rgx.test(statusCode);
 }
 
 function retrieveHeaders(response) {
@@ -525,23 +527,46 @@ function serverStarted() {
  * @param keys SSL credentials
  */
 function createHttpsServer(keys) {
-  createServer({
+  const listener = createServer({
     key: keys.serviceKey,
     cert: keys.certificate
   }, app).listen(environment.ui.port, environment.ui.host, () => {
     serverStarted();
   });
+
+  // Graceful shutdown when signalled
+  const terminator = createHttpTerminator({server: listener});
+  process.on('SIGINT', () => {
+      void (async ()=> {
+        console.debug('Closing HTTPS server on signal');
+        await terminator.terminate().catch(e => { console.error(e); });
+        console.debug('HTTPS server closed');
+      })();
+      });
 }
 
+/**
+ * Create an HTTP server with the configured port and host.
+ */
 function run() {
   const port = environment.ui.port || 4000;
   const host = environment.ui.host || '/';
 
   // Start up the Node server
   const server = app();
-  server.listen(port, host, () => {
+  const listener = server.listen(port, host, () => {
     serverStarted();
   });
+
+  // Graceful shutdown when signalled
+  const terminator = createHttpTerminator({server: listener});
+  process.on('SIGINT', () => {
+      void (async () => {
+        console.debug('Closing HTTP server on signal');
+        await terminator.terminate().catch(e => { console.error(e); });
+        console.debug('HTTP server closed.');return undefined;
+        })();
+      });
 }
 
 function start() {

src/app/access-control/access-control-routing-paths.ts

@@ -1,12 +1,22 @@
 import { URLCombiner } from '../core/url-combiner/url-combiner';
 import { getAccessControlModuleRoute } from '../app-routing-paths';
 
-export const GROUP_EDIT_PATH = 'groups';
+export const EPERSON_PATH = 'epeople';
+
+export function getEPersonsRoute(): string {
+  return new URLCombiner(getAccessControlModuleRoute(), EPERSON_PATH).toString();
+}
+
+export function getEPersonEditRoute(id: string): string {
+  return new URLCombiner(getEPersonsRoute(), id, 'edit').toString();
+}
+
+export const GROUP_PATH = 'groups';
 
 export function getGroupsRoute() {
-  return new URLCombiner(getAccessControlModuleRoute(), GROUP_EDIT_PATH).toString();
+  return new URLCombiner(getAccessControlModuleRoute(), GROUP_PATH).toString();
 }
 
 export function getGroupEditRoute(id: string) {
-  return new URLCombiner(getAccessControlModuleRoute(), GROUP_EDIT_PATH, id).toString();
+  return new URLCombiner(getGroupsRoute(), id, 'edit').toString();
 }

src/app/access-control/access-control-routing.module.ts

@@ -3,7 +3,7 @@ import { RouterModule } from '@angular/router';
 import { EPeopleRegistryComponent } from './epeople-registry/epeople-registry.component';
 import { GroupFormComponent } from './group-registry/group-form/group-form.component';
 import { GroupsRegistryComponent } from './group-registry/groups-registry.component';
-import { GROUP_EDIT_PATH } from './access-control-routing-paths';
+import { EPERSON_PATH, GROUP_PATH } from './access-control-routing-paths';
 import { I18nBreadcrumbResolver } from '../core/breadcrumbs/i18n-breadcrumb.resolver';
 import { GroupPageGuard } from './group-registry/group-page.guard';
 import {
@@ -13,12 +13,14 @@ import {
   SiteAdministratorGuard
 } from '../core/data/feature-authorization/feature-authorization-guard/site-administrator.guard';
 import { BulkAccessComponent } from './bulk-access/bulk-access.component';
+import { EPersonFormComponent } from './epeople-registry/eperson-form/eperson-form.component';
+import { EPersonResolver } from './epeople-registry/eperson-resolver.service';
 
 @NgModule({
   imports: [
     RouterModule.forChild([
       {
-        path: 'epeople',
+        path: EPERSON_PATH,
         component: EPeopleRegistryComponent,
         resolve: {
           breadcrumb: I18nBreadcrumbResolver
@@ -27,7 +29,26 @@ import { BulkAccessComponent } from './bulk-access/bulk-access.component';
         canActivate: [SiteAdministratorGuard]
       },
       {
-        path: GROUP_EDIT_PATH,
+        path: `${EPERSON_PATH}/create`,
+        component: EPersonFormComponent,
+        resolve: {
+          breadcrumb: I18nBreadcrumbResolver,
+        },
+        data: { title: 'admin.access-control.epeople.add.title', breadcrumbKey: 'admin.access-control.epeople.add' },
+        canActivate: [SiteAdministratorGuard],
+      },
+      {
+        path: `${EPERSON_PATH}/:id/edit`,
+        component: EPersonFormComponent,
+        resolve: {
+          breadcrumb: I18nBreadcrumbResolver,
+          ePerson: EPersonResolver,
+        },
+        data: { title: 'admin.access-control.epeople.edit.title', breadcrumbKey: 'admin.access-control.epeople.edit' },
+        canActivate: [SiteAdministratorGuard],
+      },
+      {
+        path: GROUP_PATH,
         component: GroupsRegistryComponent,
         resolve: {
           breadcrumb: I18nBreadcrumbResolver
@@ -36,7 +57,7 @@ import { BulkAccessComponent } from './bulk-access/bulk-access.component';
         canActivate: [GroupAdministratorGuard]
       },
       {
-        path: `${GROUP_EDIT_PATH}/newGroup`,
+        path: `${GROUP_PATH}/create`,
         component: GroupFormComponent,
         resolve: {
           breadcrumb: I18nBreadcrumbResolver
@@ -45,7 +66,7 @@ import { BulkAccessComponent } from './bulk-access/bulk-access.component';
         canActivate: [GroupAdministratorGuard]
       },
       {
-        path: `${GROUP_EDIT_PATH}/:groupId`,
+        path: `${GROUP_PATH}/:groupId/edit`,
         component: GroupFormComponent,
         resolve: {
           breadcrumb: I18nBreadcrumbResolver

src/app/access-control/epeople-registry/epeople-registry.component.html

@@ -4,96 +4,91 @@
       <div class="d-flex justify-content-between border-bottom mb-3">
         <h2 id="header" class="pb-2">{{labelPrefix + 'head' | translate}}</h2>
 
-        <div *ngIf="!isEPersonFormShown">
+        <div>
           <button class="mr-auto btn btn-success addEPerson-button"
-                  (click)="isEPersonFormShown = true">
+                  [routerLink]="'create'">
             <i class="fas fa-plus"></i>
             <span class="d-none d-sm-inline ml-1">{{labelPrefix + 'button.add' | translate}}</span>
           </button>
         </div>
       </div>
 
-      <ds-eperson-form *ngIf="isEPersonFormShown" (submitForm)="reset()"
-                       (cancelForm)="isEPersonFormShown = false"></ds-eperson-form>
+      <h3 id="search" class="border-bottom pb-2">{{labelPrefix + 'search.head' | translate}}
 
-      <div *ngIf="!isEPersonFormShown">
-        <h3 id="search" class="border-bottom pb-2">{{labelPrefix + 'search.head' | translate}}
-
-        </h3>
-        <form [formGroup]="searchForm" (ngSubmit)="search(searchForm.value)" class="d-flex justify-content-between">
-          <div>
-            <select name="scope" id="scope" formControlName="scope" class="form-control" aria-label="Search scope">
-              <option value="metadata">{{labelPrefix + 'search.scope.metadata' | translate}}</option>
-              <option value="email">{{labelPrefix + 'search.scope.email' | translate}}</option>
-            </select>
-          </div>
-          <div class="flex-grow-1 mr-3 ml-3">
-            <div class="form-group input-group">
-              <input type="text" name="query" id="query" formControlName="query"
-                    class="form-control" [attr.aria-label]="labelPrefix + 'search.placeholder' | translate"
-                     [placeholder]="(labelPrefix + 'search.placeholder' | translate)">
-              <span class="input-group-append">
+      </h3>
+      <form [formGroup]="searchForm" (ngSubmit)="search(searchForm.value)" class="d-flex justify-content-between">
+        <div>
+          <select name="scope" id="scope" formControlName="scope" class="form-control" aria-label="Search scope">
+            <option value="metadata">{{labelPrefix + 'search.scope.metadata' | translate}}</option>
+            <option value="email">{{labelPrefix + 'search.scope.email' | translate}}</option>
+          </select>
+        </div>
+        <div class="flex-grow-1 mr-3 ml-3">
+          <div class="form-group input-group">
+            <input type="text" name="query" id="query" formControlName="query"
+                   class="form-control" [attr.aria-label]="labelPrefix + 'search.placeholder' | translate"
+                   [placeholder]="(labelPrefix + 'search.placeholder' | translate)">
+            <span class="input-group-append">
                 <button type="submit" class="search-button btn btn-primary">
                   <i class="fas fa-search"></i> {{ labelPrefix + 'search.button' | translate }}
                 </button>
               </span>
-            </div>
           </div>
-          <div>
-            <button (click)="clearFormAndResetResult();"
-                    class="search-button btn btn-secondary">{{labelPrefix + 'button.see-all' | translate}}</button>
-          </div>
-        </form>
-
-        <ds-themed-loading *ngIf="searching$ | async"></ds-themed-loading>
-        <ds-pagination
-          *ngIf="(pageInfoState$ | async)?.totalElements > 0 && !(searching$ | async)"
-          [paginationOptions]="config"
-          [pageInfoState]="pageInfoState$"
-          [collectionSize]="(pageInfoState$ | async)?.totalElements"
-          [hideGear]="true"
-          [hidePagerWhenSinglePage]="true">
-
-          <div class="table-responsive">
-            <table id="epeople" class="table table-striped table-hover table-bordered">
-              <thead>
-              <tr>
-                <th scope="col">{{labelPrefix + 'table.id' | translate}}</th>
-                <th scope="col">{{labelPrefix + 'table.name' | translate}}</th>
-                <th scope="col">{{labelPrefix + 'table.email' | translate}}</th>
-                <th>{{labelPrefix + 'table.edit' | translate}}</th>
-              </tr>
-              </thead>
-              <tbody>
-              <tr *ngFor="let epersonDto of (ePeopleDto$ | async)?.page"
-                  [ngClass]="{'table-primary' : isActive(epersonDto.eperson) | async}">
-                <td>{{epersonDto.eperson.id}}</td>
-                <td>{{ dsoNameService.getName(epersonDto.eperson) }}</td>
-                <td>{{epersonDto.eperson.email}}</td>
-                <td>
-                  <div class="btn-group edit-field">
-                    <button (click)="toggleEditEPerson(epersonDto.eperson)"
-                            class="btn btn-outline-primary btn-sm access-control-editEPersonButton"
-                            title="{{labelPrefix + 'table.edit.buttons.edit' | translate: { name: dsoNameService.getName(epersonDto.eperson) } }}">
-                      <i class="fas fa-edit fa-fw"></i>
-                    </button>
-                    <button [disabled]="!epersonDto.ableToDelete" (click)="deleteEPerson(epersonDto.eperson)"
-                            class="delete-button btn btn-outline-danger btn-sm access-control-deleteEPersonButton"
-                            title="{{labelPrefix + 'table.edit.buttons.remove' | translate: { name: dsoNameService.getName(epersonDto.eperson) } }}">
-                      <i class="fas fa-trash-alt fa-fw"></i>
-                    </button>
-                  </div>
-                </td>
-              </tr>
-              </tbody>
-            </table>
-          </div>
-
-        </ds-pagination>
-
-        <div *ngIf="(pageInfoState$ | async)?.totalElements == 0" class="alert alert-info w-100 mb-2" role="alert">
-          {{labelPrefix + 'no-items' | translate}}
         </div>
+        <div>
+          <button (click)="clearFormAndResetResult();"
+                  class="search-button btn btn-secondary">{{labelPrefix + 'button.see-all' | translate}}</button>
+        </div>
+      </form>
+
+      <ds-themed-loading *ngIf="searching$ | async"></ds-themed-loading>
+      <ds-pagination
+        *ngIf="(pageInfoState$ | async)?.totalElements > 0 && !(searching$ | async)"
+        [paginationOptions]="config"
+        [pageInfoState]="pageInfoState$"
+        [collectionSize]="(pageInfoState$ | async)?.totalElements"
+        [hideGear]="true"
+        [hidePagerWhenSinglePage]="true">
+
+        <div class="table-responsive">
+          <table id="epeople" class="table table-striped table-hover table-bordered">
+            <thead>
+            <tr>
+              <th scope="col">{{labelPrefix + 'table.id' | translate}}</th>
+              <th scope="col">{{labelPrefix + 'table.name' | translate}}</th>
+              <th scope="col">{{labelPrefix + 'table.email' | translate}}</th>
+              <th>{{labelPrefix + 'table.edit' | translate}}</th>
+            </tr>
+            </thead>
+            <tbody>
+            <tr *ngFor="let epersonDto of (ePeopleDto$ | async)?.page"
+                [ngClass]="{'table-primary' : isActive(epersonDto.eperson) | async}">
+              <td>{{epersonDto.eperson.id}}</td>
+              <td>{{ dsoNameService.getName(epersonDto.eperson) }}</td>
+              <td>{{epersonDto.eperson.email}}</td>
+              <td>
+                <div class="btn-group edit-field">
+                  <button [routerLink]="getEditEPeoplePage(epersonDto.eperson.id)"
+                          class="btn btn-outline-primary btn-sm access-control-editEPersonButton"
+                          title="{{labelPrefix + 'table.edit.buttons.edit' | translate: { name: dsoNameService.getName(epersonDto.eperson) } }}">
+                    <i class="fas fa-edit fa-fw"></i>
+                  </button>
+                  <button *ngIf="epersonDto.ableToDelete" (click)="deleteEPerson(epersonDto.eperson)"
+                          class="delete-button btn btn-outline-danger btn-sm access-control-deleteEPersonButton"
+                          title="{{labelPrefix + 'table.edit.buttons.remove' | translate: { name: dsoNameService.getName(epersonDto.eperson) } }}">
+                    <i class="fas fa-trash-alt fa-fw"></i>
+                  </button>
+                </div>
+              </td>
+            </tr>
+            </tbody>
+          </table>
+        </div>
+
+      </ds-pagination>
+
+      <div *ngIf="(pageInfoState$ | async)?.totalElements == 0" class="alert alert-info w-100 mb-2" role="alert">
+        {{labelPrefix + 'no-items' | translate}}
       </div>
     </div>
   </div>

src/app/access-control/epeople-registry/epeople-registry.component.spec.ts

@@ -203,36 +203,6 @@ describe('EPeopleRegistryComponent', () => {
     });
   });
 
-  describe('toggleEditEPerson', () => {
-    describe('when you click on first edit eperson button', () => {
-      beforeEach(fakeAsync(() => {
-        const editButtons = fixture.debugElement.queryAll(By.css('.access-control-editEPersonButton'));
-        editButtons[0].triggerEventHandler('click', {
-          preventDefault: () => {/**/
-          }
-        });
-        tick();
-        fixture.detectChanges();
-      }));
-
-      it('editEPerson form is toggled', () => {
-        const ePeopleIds = fixture.debugElement.queryAll(By.css('#epeople tr td:first-child'));
-        ePersonDataServiceStub.getActiveEPerson().subscribe((activeEPerson: EPerson) => {
-          if (ePeopleIds[0] && activeEPerson === ePeopleIds[0].nativeElement.textContent) {
-            expect(component.isEPersonFormShown).toEqual(false);
-          } else {
-            expect(component.isEPersonFormShown).toEqual(true);
-          }
-
-        });
-      });
-
-      it('EPerson search section is hidden', () => {
-        expect(fixture.debugElement.query(By.css('#search'))).toBeNull();
-      });
-    });
-  });
-
   describe('deleteEPerson', () => {
     describe('when you click on first delete eperson button', () => {
       let ePeopleIdsFoundBeforeDelete;

src/app/access-control/epeople-registry/epeople-registry.component.ts

@@ -22,6 +22,7 @@ import { PageInfo } from '../../core/shared/page-info.model';
 import { NoContent } from '../../core/shared/NoContent.model';
 import { PaginationService } from '../../core/pagination/pagination.service';
 import { DSONameService } from '../../core/breadcrumbs/dso-name.service';
+import { getEPersonEditRoute, getEPersonsRoute } from '../access-control-routing-paths';
 
 @Component({
   selector: 'ds-epeople-registry',
@@ -64,11 +65,6 @@ export class EPeopleRegistryComponent implements OnInit, OnDestroy {
     currentPage: 1
   });
 
-  /**
-   * Whether or not to show the EPerson form
-   */
-  isEPersonFormShown: boolean;
-
   // The search form
   searchForm;
 
@@ -114,17 +110,11 @@ export class EPeopleRegistryComponent implements OnInit, OnDestroy {
    */
   initialisePage() {
     this.searching$.next(true);
-    this.isEPersonFormShown = false;
     this.search({scope: this.currentSearchScope, query: this.currentSearchQuery});
-    this.subs.push(this.epersonService.getActiveEPerson().subscribe((eperson: EPerson) => {
-      if (eperson != null && eperson.id) {
-        this.isEPersonFormShown = true;
-      }
-    }));
     this.subs.push(this.ePeople$.pipe(
       switchMap((epeople: PaginatedList<EPerson>) => {
         if (epeople.pageInfo.totalElements > 0) {
-          return combineLatest([...epeople.page.map((eperson: EPerson) => {
+          return combineLatest(epeople.page.map((eperson: EPerson) => {
             return this.authorizationService.isAuthorized(FeatureID.CanDelete, hasValue(eperson) ? eperson.self : undefined).pipe(
               map((authorized) => {
                 const epersonDtoModel: EpersonDtoModel = new EpersonDtoModel();
@@ -133,7 +123,7 @@ export class EPeopleRegistryComponent implements OnInit, OnDestroy {
                 return epersonDtoModel;
               })
             );
-          })]).pipe(map((dtos: EpersonDtoModel[]) => {
+          })).pipe(map((dtos: EpersonDtoModel[]) => {
             return buildPaginatedList(epeople.pageInfo, dtos);
           }));
         } else {
@@ -160,14 +150,14 @@ export class EPeopleRegistryComponent implements OnInit, OnDestroy {
           const query: string = data.query;
           const scope: string = data.scope;
           if (query != null && this.currentSearchQuery !== query) {
-            this.router.navigate([this.epersonService.getEPeoplePageRouterLink()], {
+            void this.router.navigate([getEPersonsRoute()], {
               queryParamsHandling: 'merge'
             });
             this.currentSearchQuery = query;
             this.paginationService.resetPage(this.config.id);
           }
           if (scope != null && this.currentSearchScope !== scope) {
-            this.router.navigate([this.epersonService.getEPeoplePageRouterLink()], {
+            void this.router.navigate([getEPersonsRoute()], {
               queryParamsHandling: 'merge'
             });
             this.currentSearchScope = scope;
@@ -205,23 +195,6 @@ export class EPeopleRegistryComponent implements OnInit, OnDestroy {
     return this.epersonService.getActiveEPerson();
   }
 
-  /**
-   * Start editing the selected EPerson
-   * @param ePerson
-   */
-  toggleEditEPerson(ePerson: EPerson) {
-    this.getActiveEPerson().pipe(take(1)).subscribe((activeEPerson: EPerson) => {
-      if (ePerson === activeEPerson) {
-        this.epersonService.cancelEditEPerson();
-        this.isEPersonFormShown = false;
-      } else {
-        this.epersonService.editEPerson(ePerson);
-        this.isEPersonFormShown = true;
-      }
-    });
-    this.scrollToTop();
-  }
-
   /**
    * Deletes EPerson, show notification on success/failure & updates EPeople list
    */
@@ -242,7 +215,7 @@ export class EPeopleRegistryComponent implements OnInit, OnDestroy {
               if (restResponse.hasSucceeded) {
                 this.notificationsService.success(this.translateService.get(this.labelPrefix + 'notification.deleted.success', {name: this.dsoNameService.getName(ePerson)}));
               } else {
-                this.notificationsService.error('Error occured when trying to delete EPerson with id: ' + ePerson.id + ' with code: ' + restResponse.statusCode + ' and message: ' + restResponse.errorMessage);
+                this.notificationsService.error(this.translateService.get(this.labelPrefix + 'notification.deleted.success', { id: ePerson.id, statusCode: restResponse.statusCode, errorMessage: restResponse.errorMessage }));
               }
             });
           }
@@ -264,16 +237,6 @@ export class EPeopleRegistryComponent implements OnInit, OnDestroy {
     this.subs.filter((sub) => hasValue(sub)).forEach((sub) => sub.unsubscribe());
   }
 
-  scrollToTop() {
-    (function smoothscroll() {
-      const currentScroll = document.documentElement.scrollTop || document.body.scrollTop;
-      if (currentScroll > 0) {
-        window.requestAnimationFrame(smoothscroll);
-        window.scrollTo(0, currentScroll - (currentScroll / 8));
-      }
-    })();
-  }
-
   /**
    * Reset all input-fields to be empty and search all search
    */
@@ -284,20 +247,7 @@ export class EPeopleRegistryComponent implements OnInit, OnDestroy {
     this.search({query: ''});
   }
 
-  /**
-   * This method will set everything to stale, which will cause the lists on this page to update.
-   */
-  reset(): void {
-    this.epersonService.getBrowseEndpoint().pipe(
-      take(1),
-      switchMap((href: string) => {
-        return this.requestService.setStaleByHrefSubstring(href).pipe(
-          take(1),
-        );
-      })
-    ).subscribe(()=>{
-      this.epersonService.cancelEditEPerson();
-      this.isEPersonFormShown = false;
-    });
+  getEditEPeoplePage(id: string): string {
+    return getEPersonEditRoute(id);
   }
 }

src/app/access-control/epeople-registry/eperson-form/eperson-form.component.html

@@ -1,89 +1,97 @@
-<div *ngIf="epersonService.getActiveEPerson() | async; then editheader; else createHeader"></div>
+<div class="container">
+  <div class="group-form row">
+    <div class="col-12">
 
-<ng-template #createHeader>
-  <h4>{{messagePrefix + '.create' | translate}}</h4>
-</ng-template>
+      <div *ngIf="epersonService.getActiveEPerson() | async; then editHeader; else createHeader"></div>
 
-<ng-template #editheader>
-  <h4>{{messagePrefix + '.edit' | translate}}</h4>
-</ng-template>
+      <ng-template #createHeader>
+        <h2 class="border-bottom pb-2">{{messagePrefix + '.create' | translate}}</h2>
+      </ng-template>
 
-<ds-form [formId]="formId"
-         [formModel]="formModel"
-         [formGroup]="formGroup"
-         [formLayout]="formLayout"
-         [displayCancel]="false"
-         [submitLabel]="submitLabel"
-         (submitForm)="onSubmit()">
-  <div before class="btn-group">
-    <button (click)="onCancel()"
-            class="btn btn-outline-secondary"><i class="fas fa-arrow-left"></i> {{messagePrefix + '.return' | translate}}</button>
-  </div>
-  <div *ngIf="displayResetPassword" between class="btn-group">
-    <button class="btn btn-primary" [disabled]="!(canReset$ | async)" (click)="resetPassword()">
-      <i class="fa fa-key"></i> {{'admin.access-control.epeople.actions.reset' | translate}}
-    </button>
-  </div>
-  <div between class="btn-group ml-1">
-    <button *ngIf="!isImpersonated" class="btn btn-primary" [ngClass]="{'d-none' : !(canImpersonate$ | async)}" (click)="impersonate()">
-      <i class="fa fa-user-secret"></i> {{'admin.access-control.epeople.actions.impersonate' | translate}}
-    </button>
-    <button *ngIf="isImpersonated" class="btn btn-primary" (click)="stopImpersonating()">
-      <i class="fa fa-user-secret"></i> {{'admin.access-control.epeople.actions.stop-impersonating' | translate}}
-    </button>
-  </div>
-  <button after class="btn btn-danger delete-button" [disabled]="!(canDelete$ | async)" (click)="delete()">
-    <i class="fas fa-trash"></i> {{'admin.access-control.epeople.actions.delete' | translate}}
-  </button>
-</ds-form>
+      <ng-template #editHeader>
+        <h2 class="border-bottom pb-2">{{messagePrefix + '.edit' | translate}}</h2>
+      </ng-template>
 
-<ds-themed-loading [showMessage]="false" *ngIf="!formGroup"></ds-themed-loading>
+      <ds-form [formId]="formId"
+               [formModel]="formModel"
+               [formGroup]="formGroup"
+               [formLayout]="formLayout"
+               [displayCancel]="false"
+               [submitLabel]="submitLabel"
+               (submitForm)="onSubmit()">
+        <div before class="btn-group">
+          <button (click)="onCancel()" type="button" class="btn btn-outline-secondary">
+            <i class="fas fa-arrow-left"></i> {{messagePrefix + '.return' | translate}}
+          </button>
+        </div>
+        <div *ngIf="displayResetPassword" between class="btn-group">
+          <button class="btn btn-primary" [disabled]="!(canReset$ | async)" type="button" (click)="resetPassword()">
+            <i class="fa fa-key"></i> {{'admin.access-control.epeople.actions.reset' | translate}}
+          </button>
+        </div>
+        <div *ngIf="canImpersonate$ | async" between class="btn-group">
+          <button *ngIf="!isImpersonated" class="btn btn-primary" type="button" (click)="impersonate()">
+            <i class="fa fa-user-secret"></i> {{'admin.access-control.epeople.actions.impersonate' | translate}}
+          </button>
+          <button *ngIf="isImpersonated" class="btn btn-primary" type="button" (click)="stopImpersonating()">
+            <i class="fa fa-user-secret"></i> {{'admin.access-control.epeople.actions.stop-impersonating' | translate}}
+          </button>
+        </div>
+        <button *ngIf="canDelete$ | async" after class="btn btn-danger delete-button" type="button" (click)="delete()">
+          <i class="fas fa-trash"></i> {{'admin.access-control.epeople.actions.delete' | translate}}
+        </button>
+      </ds-form>
 
-<div *ngIf="epersonService.getActiveEPerson() | async">
-  <h5>{{messagePrefix + '.groupsEPersonIsMemberOf' | translate}}</h5>
+      <ds-themed-loading [showMessage]="false" *ngIf="!formGroup"></ds-themed-loading>
 
-  <ds-themed-loading [showMessage]="false" *ngIf="!(groups | async)"></ds-themed-loading>
+      <div *ngIf="epersonService.getActiveEPerson() | async">
+        <h5>{{messagePrefix + '.groupsEPersonIsMemberOf' | translate}}</h5>
 
-  <ds-pagination
-    *ngIf="(groups | async)?.payload?.totalElements > 0"
-    [paginationOptions]="config"
-    [pageInfoState]="(groups | async)?.payload"
-    [collectionSize]="(groups | async)?.payload?.totalElements"
-    [hideGear]="true"
-    [hidePagerWhenSinglePage]="true"
-    (pageChange)="onPageChange($event)">
+        <ds-themed-loading [showMessage]="false" *ngIf="!(groups | async)"></ds-themed-loading>
 
-    <div class="table-responsive">
-      <table id="groups" class="table table-striped table-hover table-bordered">
-        <thead>
-        <tr>
-          <th scope="col" class="align-middle">{{messagePrefix + '.table.id' | translate}}</th>
-          <th scope="col" class="align-middle">{{messagePrefix + '.table.name' | translate}}</th>
-          <th scope="col" class="align-middle">{{messagePrefix + '.table.collectionOrCommunity' | translate}}</th>
-        </tr>
-        </thead>
-        <tbody>
-        <tr *ngFor="let group of (groups | async)?.payload?.page">
-          <td class="align-middle">{{group.id}}</td>
-          <td class="align-middle">
-            <a (click)="groupsDataService.startEditingNewGroup(group)"
-               [routerLink]="[groupsDataService.getGroupEditPageRouterLink(group)]">
-            {{ dsoNameService.getName(group) }}
-          </a>
-          </td>
-          <td class="align-middle">{{ dsoNameService.getName(undefined) }}</td>
-        </tr>
-        </tbody>
-      </table>
-    </div>
+        <ds-pagination
+          *ngIf="(groups | async)?.payload?.totalElements > 0"
+          [paginationOptions]="config"
+          [pageInfoState]="(groups | async)?.payload"
+          [collectionSize]="(groups | async)?.payload?.totalElements"
+          [hideGear]="true"
+          [hidePagerWhenSinglePage]="true"
+          (pageChange)="onPageChange($event)">
 
-  </ds-pagination>
+          <div class="table-responsive">
+            <table id="groups" class="table table-striped table-hover table-bordered">
+              <thead>
+              <tr>
+                <th scope="col" class="align-middle">{{messagePrefix + '.table.id' | translate}}</th>
+                <th scope="col" class="align-middle">{{messagePrefix + '.table.name' | translate}}</th>
+                <th scope="col" class="align-middle">{{messagePrefix + '.table.collectionOrCommunity' | translate}}</th>
+              </tr>
+              </thead>
+              <tbody>
+              <tr *ngFor="let group of (groups | async)?.payload?.page">
+                <td class="align-middle">{{group.id}}</td>
+                <td class="align-middle">
+                  <a (click)="groupsDataService.startEditingNewGroup(group)"
+                     [routerLink]="[groupsDataService.getGroupEditPageRouterLink(group)]">
+                    {{ dsoNameService.getName(group) }}
+                  </a>
+                </td>
+                <td class="align-middle">{{ dsoNameService.getName(undefined) }}</td>
+              </tr>
+              </tbody>
+            </table>
+          </div>
 
-  <div *ngIf="(groups | async)?.payload?.totalElements == 0" class="alert alert-info w-100 mb-2" role="alert">
-    <div>{{messagePrefix + '.memberOfNoGroups' | translate}}</div>
-    <div>
-      <button [routerLink]="[groupsDataService.getGroupRegistryRouterLink()]"
-              class="btn btn-primary">{{messagePrefix + '.goToGroups' | translate}}</button>
+        </ds-pagination>
+
+        <div *ngIf="(groups | async)?.payload?.totalElements == 0" class="alert alert-info w-100 mb-2" role="alert">
+          <div>{{messagePrefix + '.memberOfNoGroups' | translate}}</div>
+          <div>
+            <button [routerLink]="[groupsDataService.getGroupRegistryRouterLink()]"
+                    class="btn btn-primary">{{messagePrefix + '.goToGroups' | translate}}</button>
+          </div>
+        </div>
+      </div>
     </div>
   </div>
 </div>

src/app/access-control/epeople-registry/eperson-form/eperson-form.component.spec.ts

@@ -31,6 +31,10 @@ import { PaginationServiceStub } from '../../../shared/testing/pagination-servic
 import { FindListOptions } from '../../../core/data/find-list-options.model';
 import { ValidateEmailNotTaken } from './validators/email-taken.validator';
 import { EpersonRegistrationService } from '../../../core/data/eperson-registration.service';
+import { FollowLinkConfig } from '../../../shared/utils/follow-link-config.model';
+import { ActivatedRoute, Router } from '@angular/router';
+import { RouterStub } from '../../../shared/testing/router.stub';
+import { ActivatedRouteStub } from '../../../shared/testing/active-router.stub';
 
 describe('EPersonFormComponent', () => {
   let component: EPersonFormComponent;
@@ -43,6 +47,8 @@ describe('EPersonFormComponent', () => {
   let authorizationService: AuthorizationDataService;
   let groupsDataService: GroupDataService;
   let epersonRegistrationService: EpersonRegistrationService;
+  let route: ActivatedRouteStub;
+  let router: RouterStub;
 
   let paginationService;
 
@@ -106,6 +112,9 @@ describe('EPersonFormComponent', () => {
       },
       getEPersonByEmail(email): Observable<RemoteData<EPerson>> {
         return createSuccessfulRemoteDataObject$(null);
+      },
+      findById(_id: string, _useCachedVersionIfAvailable = true, _reRequestOnStale = true, ..._linksToFollow: FollowLinkConfig<EPerson>[]): Observable<RemoteData<EPerson>> {
+        return createSuccessfulRemoteDataObject$(null);
       }
     };
     builderService = Object.assign(getMockFormBuilderService(),{
@@ -182,6 +191,8 @@ describe('EPersonFormComponent', () => {
     });
 
     paginationService = new PaginationServiceStub();
+    route = new ActivatedRouteStub();
+    router = new RouterStub();
     TestBed.configureTestingModule({
       imports: [CommonModule, NgbModule, FormsModule, ReactiveFormsModule, BrowserModule,
         TranslateModule.forRoot({
@@ -202,6 +213,8 @@ describe('EPersonFormComponent', () => {
         { provide: PaginationService, useValue: paginationService },
         { provide: RequestService, useValue: jasmine.createSpyObj('requestService', ['removeByHrefSubstring'])},
         { provide: EpersonRegistrationService, useValue: epersonRegistrationService },
+        { provide: ActivatedRoute, useValue: route },
+        { provide: Router, useValue: router },
         EPeopleRegistryComponent
       ],
       schemas: [NO_ERRORS_SCHEMA]
@@ -263,24 +276,18 @@ describe('EPersonFormComponent', () => {
       fixture.detectChanges();
     });
     describe('firstName, lastName and email should be required', () => {
-      it('form should be invalid because the firstName is required', waitForAsync(() => {
-        fixture.whenStable().then(() => {
-          expect(component.formGroup.controls.firstName.valid).toBeFalse();
-          expect(component.formGroup.controls.firstName.errors.required).toBeTrue();
-        });
-      }));
-      it('form should be invalid because the lastName is required', waitForAsync(() => {
-        fixture.whenStable().then(() => {
-          expect(component.formGroup.controls.lastName.valid).toBeFalse();
-          expect(component.formGroup.controls.lastName.errors.required).toBeTrue();
-        });
-      }));
-      it('form should be invalid because the email is required', waitForAsync(() => {
-        fixture.whenStable().then(() => {
-          expect(component.formGroup.controls.email.valid).toBeFalse();
-          expect(component.formGroup.controls.email.errors.required).toBeTrue();
-        });
-      }));
+      it('form should be invalid because the firstName is required', () => {
+        expect(component.formGroup.controls.firstName.valid).toBeFalse();
+        expect(component.formGroup.controls.firstName.errors.required).toBeTrue();
+      });
+      it('form should be invalid because the lastName is required', () => {
+        expect(component.formGroup.controls.lastName.valid).toBeFalse();
+        expect(component.formGroup.controls.lastName.errors.required).toBeTrue();
+      });
+      it('form should be invalid because the email is required', () => {
+        expect(component.formGroup.controls.email.valid).toBeFalse();
+        expect(component.formGroup.controls.email.errors.required).toBeTrue();
+      });
     });
 
     describe('after inserting information firstName,lastName and email not required', () => {
@@ -290,24 +297,18 @@ describe('EPersonFormComponent', () => {
         component.formGroup.controls.email.setValue('test@test.com');
         fixture.detectChanges();
       });
-      it('firstName should be valid because the firstName is set', waitForAsync(() => {
-        fixture.whenStable().then(() => {
+      it('firstName should be valid because the firstName is set', () => {
           expect(component.formGroup.controls.firstName.valid).toBeTrue();
           expect(component.formGroup.controls.firstName.errors).toBeNull();
-        });
-      }));
-      it('lastName should be valid because the lastName is set', waitForAsync(() => {
-        fixture.whenStable().then(() => {
+      });
+      it('lastName should be valid because the lastName is set', () => {
           expect(component.formGroup.controls.lastName.valid).toBeTrue();
           expect(component.formGroup.controls.lastName.errors).toBeNull();
-        });
-      }));
-      it('email should be valid because the email is set', waitForAsync(() => {
-        fixture.whenStable().then(() => {
+      });
+      it('email should be valid because the email is set', () => {
           expect(component.formGroup.controls.email.valid).toBeTrue();
           expect(component.formGroup.controls.email.errors).toBeNull();
-        });
-      }));
+      });
     });
 
 
@@ -316,12 +317,10 @@ describe('EPersonFormComponent', () => {
         component.formGroup.controls.email.setValue('test@test');
         fixture.detectChanges();
       });
-      it('email should not be valid because the email pattern', waitForAsync(() => {
-        fixture.whenStable().then(() => {
+      it('email should not be valid because the email pattern', () => {
           expect(component.formGroup.controls.email.valid).toBeFalse();
           expect(component.formGroup.controls.email.errors.pattern).toBeTruthy();
-        });
-      }));
+      });
     });
 
     describe('after already utilized email', () => {
@@ -336,12 +335,10 @@ describe('EPersonFormComponent', () => {
         fixture.detectChanges();
       });
 
-      it('email should not be valid because email is already taken', waitForAsync(() => {
-        fixture.whenStable().then(() => {
+      it('email should not be valid because email is already taken', () => {
           expect(component.formGroup.controls.email.valid).toBeFalse();
           expect(component.formGroup.controls.email.errors.emailTaken).toBeTruthy();
-        });
-      }));
+      });
     });
 
 
@@ -393,11 +390,9 @@ describe('EPersonFormComponent', () => {
         fixture.detectChanges();
       });
 
-      it('should emit a new eperson using the correct values', waitForAsync(() => {
-        fixture.whenStable().then(() => {
-          expect(component.submitForm.emit).toHaveBeenCalledWith(expected);
-        });
-      }));
+      it('should emit a new eperson using the correct values', () => {
+        expect(component.submitForm.emit).toHaveBeenCalledWith(expected);
+      });
     });
 
     describe('with an active eperson', () => {
@@ -428,11 +423,9 @@ describe('EPersonFormComponent', () => {
         fixture.detectChanges();
       });
 
-      it('should emit the existing eperson using the correct values', waitForAsync(() => {
-        fixture.whenStable().then(() => {
-          expect(component.submitForm.emit).toHaveBeenCalledWith(expectedWithId);
-        });
-      }));
+      it('should emit the existing eperson using the correct values', () => {
+        expect(component.submitForm.emit).toHaveBeenCalledWith(expectedWithId);
+      });
     });
   });
 
@@ -491,16 +484,16 @@ describe('EPersonFormComponent', () => {
 
     });
 
-    it('the delete button should be active if the eperson can be deleted', () => {
+    it('the delete button should be visible if the ePerson can be deleted', () => {
       const deleteButton = fixture.debugElement.query(By.css('.delete-button'));
-      expect(deleteButton.nativeElement.disabled).toBe(false);
+      expect(deleteButton).not.toBeNull();
     });
 
-    it('the delete button should be disabled if the eperson cannot be deleted', () => {
+    it('the delete button should be hidden if the ePerson cannot be deleted', () => {
       component.canDelete$ = observableOf(false);
       fixture.detectChanges();
       const deleteButton = fixture.debugElement.query(By.css('.delete-button'));
-      expect(deleteButton.nativeElement.disabled).toBe(true);
+      expect(deleteButton).toBeNull();
     });
 
     it('should call the epersonFormComponent delete when clicked on the button', () => {

src/app/access-control/epeople-registry/eperson-form/eperson-form.component.ts

@@ -38,6 +38,8 @@ import { Registration } from '../../../core/shared/registration.model';
 import { EpersonRegistrationService } from '../../../core/data/eperson-registration.service';
 import { TYPE_REQUEST_FORGOT } from '../../../register-email-form/register-email-form.component';
 import { DSONameService } from '../../../core/breadcrumbs/dso-name.service';
+import { ActivatedRoute, Router } from '@angular/router';
+import { getEPersonsRoute } from '../../access-control-routing-paths';
 
 @Component({
   selector: 'ds-eperson-form',
@@ -194,6 +196,8 @@ export class EPersonFormComponent implements OnInit, OnDestroy {
     public requestService: RequestService,
     private epersonRegistrationService: EpersonRegistrationService,
     public dsoNameService: DSONameService,
+    protected route: ActivatedRoute,
+    protected router: Router,
   ) {
     this.subs.push(this.epersonService.getActiveEPerson().subscribe((eperson: EPerson) => {
       this.epersonInitial = eperson;
@@ -213,7 +217,9 @@ export class EPersonFormComponent implements OnInit, OnDestroy {
    * This method will initialise the page
    */
   initialisePage() {
-
+    this.subs.push(this.epersonService.findById(this.route.snapshot.params.id).subscribe((ePersonRD: RemoteData<EPerson>) => {
+      this.epersonService.editEPerson(ePersonRD.payload);
+    }));
     observableCombineLatest([
       this.translateService.get(`${this.messagePrefix}.firstName`),
       this.translateService.get(`${this.messagePrefix}.lastName`),
@@ -339,6 +345,7 @@ export class EPersonFormComponent implements OnInit, OnDestroy {
   onCancel() {
     this.epersonService.cancelEditEPerson();
     this.cancelForm.emit();
+    void this.router.navigate([getEPersonsRoute()]);
   }
 
   /**
@@ -390,6 +397,8 @@ export class EPersonFormComponent implements OnInit, OnDestroy {
       if (rd.hasSucceeded) {
         this.notificationsService.success(this.translateService.get(this.labelPrefix + 'notification.created.success', { name: this.dsoNameService.getName(ePersonToCreate) }));
         this.submitForm.emit(ePersonToCreate);
+        this.epersonService.clearEPersonRequests();
+        void this.router.navigateByUrl(getEPersonsRoute());
       } else {
         this.notificationsService.error(this.translateService.get(this.labelPrefix + 'notification.created.failure', { name: this.dsoNameService.getName(ePersonToCreate) }));
         this.cancelForm.emit();
@@ -429,6 +438,7 @@ export class EPersonFormComponent implements OnInit, OnDestroy {
       if (rd.hasSucceeded) {
         this.notificationsService.success(this.translateService.get(this.labelPrefix + 'notification.edited.success', { name: this.dsoNameService.getName(editedEperson) }));
         this.submitForm.emit(editedEperson);
+        void this.router.navigateByUrl(getEPersonsRoute());
       } else {
         this.notificationsService.error(this.translateService.get(this.labelPrefix + 'notification.edited.failure', { name: this.dsoNameService.getName(editedEperson) }));
         this.cancelForm.emit();
@@ -495,6 +505,7 @@ export class EPersonFormComponent implements OnInit, OnDestroy {
     ).subscribe(({ restResponse, eperson }: { restResponse: RemoteData<NoContent> | null, eperson: EPerson }) => {
       if (restResponse?.hasSucceeded) {
         this.notificationsService.success(this.translateService.get(this.labelPrefix + 'notification.deleted.success', { name: this.dsoNameService.getName(eperson) }));
+        void this.router.navigate([getEPersonsRoute()]);
       } else {
         this.notificationsService.error(`Error occurred when trying to delete EPerson with id: ${eperson?.id} with code: ${restResponse?.statusCode} and message: ${restResponse?.errorMessage}`);
       }
@@ -541,16 +552,6 @@ export class EPersonFormComponent implements OnInit, OnDestroy {
     }
   }
 
-  /**
-   * This method will ensure that the page gets reset and that the cache is cleared
-   */
-  reset() {
-    this.epersonService.getActiveEPerson().pipe(take(1)).subscribe((eperson: EPerson) => {
-      this.requestService.removeByHrefSubstring(eperson.self);
-    });
-    this.initialisePage();
-  }
-
   /**
    * Checks for the given ePerson if there is already an ePerson in the system with that email
    * and shows notification if this is the case

src/app/access-control/epeople-registry/eperson-resolver.service.ts

@@ -0,0 +1,53 @@
+import { Injectable } from '@angular/core';
+import { ActivatedRouteSnapshot, Resolve, RouterStateSnapshot } from '@angular/router';
+import { Observable } from 'rxjs';
+import { EPerson } from '../../core/eperson/models/eperson.model';
+import { RemoteData } from '../../core/data/remote-data';
+import { getFirstCompletedRemoteData } from '../../core/shared/operators';
+import { ResolvedAction } from '../../core/resolving/resolver.actions';
+import { EPersonDataService } from '../../core/eperson/eperson-data.service';
+import { Store } from '@ngrx/store';
+import { followLink, FollowLinkConfig } from '../../shared/utils/follow-link-config.model';
+
+export const EPERSON_EDIT_FOLLOW_LINKS: FollowLinkConfig<EPerson>[] = [
+  followLink('groups'),
+];
+
+/**
+ * This class represents a resolver that requests a specific {@link EPerson} before the route is activated
+ */
+@Injectable({
+  providedIn: 'root',
+})
+export class EPersonResolver implements Resolve<RemoteData<EPerson>> {
+
+  constructor(
+    protected ePersonService: EPersonDataService,
+    protected store: Store<any>,
+  ) {
+  }
+
+  /**
+   * Method for resolving a {@link EPerson} based on the parameters in the current route
+   * @param {ActivatedRouteSnapshot} route The current ActivatedRouteSnapshot
+   * @param {RouterStateSnapshot} state The current RouterStateSnapshot
+   * @returns `Observable<<RemoteData<EPerson>>` Emits the found {@link EPerson} based on the parameters in the current
+   * route, or an error if something went wrong
+   */
+  resolve(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<RemoteData<EPerson>> {
+    const ePersonRD$: Observable<RemoteData<EPerson>> = this.ePersonService.findById(route.params.id,
+      true,
+      false,
+      ...EPERSON_EDIT_FOLLOW_LINKS,
+    ).pipe(
+      getFirstCompletedRemoteData(),
+    );
+
+    ePersonRD$.subscribe((ePersonRD: RemoteData<EPerson>) => {
+      this.store.dispatch(new ResolvedAction(state.url, ePersonRD.payload));
+    });
+
+    return ePersonRD$;
+  }
+
+}

src/app/access-control/group-registry/group-form/group-form.component.html

@@ -2,13 +2,13 @@
   <div class="group-form row">
     <div class="col-12">
 
-      <div *ngIf="groupDataService.getActiveGroup() | async; then editheader; else createHeader"></div>
+      <div *ngIf="groupDataService.getActiveGroup() | async; then editHeader; else createHeader"></div>
 
       <ng-template #createHeader>
         <h2 class="border-bottom pb-2">{{messagePrefix + '.head.create' | translate}}</h2>
       </ng-template>
 
-      <ng-template #editheader>
+      <ng-template #editHeader>
         <h2 class="border-bottom pb-2">
           <span
             *dsContextHelp="{
@@ -36,12 +36,12 @@
                [displayCancel]="false"
                (submitForm)="onSubmit()">
         <div before class="btn-group">
-          <button (click)="onCancel()"
+          <button (click)="onCancel()" type="button"
                   class="btn btn-outline-secondary"><i class="fas fa-arrow-left"></i> {{messagePrefix + '.return' | translate}}</button>
         </div>
-        <div after *ngIf="groupBeingEdited != null" class="btn-group">
+        <div after *ngIf="(canEdit$ | async) && !groupBeingEdited.permanent" class="btn-group">
           <button class="btn btn-danger delete-button" [disabled]="!(canEdit$ | async) || groupBeingEdited.permanent"
-                  (click)="delete()">
+                  (click)="delete()" type="button">
             <i class="fa fa-trash"></i> {{ messagePrefix + '.actions.delete' | translate}}
           </button>
         </div>

src/app/access-control/group-registry/group-form/group-form.component.ts

@@ -10,7 +10,6 @@ import {
 } from '@ng-dynamic-forms/core';
 import { TranslateService } from '@ngx-translate/core';
 import {
-  ObservedValueOf,
   combineLatest as observableCombineLatest,
   Observable,
   of as observableOf,
@@ -37,7 +36,7 @@ import {
   getFirstCompletedRemoteData,
   getFirstSucceededRemoteDataPayload
 } from '../../../core/shared/operators';
-import { AlertType } from '../../../shared/alert/aletr-type';
+import { AlertType } from '../../../shared/alert/alert-type';
 import { ConfirmationModalComponent } from '../../../shared/confirmation-modal/confirmation-modal.component';
 import { hasValue, isNotEmpty, hasValueOperator } from '../../../shared/empty.util';
 import { FormBuilderService } from '../../../shared/form/builder/form-builder.service';
@@ -48,6 +47,7 @@ import { Operation } from 'fast-json-patch';
 import { ValidateGroupExists } from './validators/group-exists.validator';
 import { DSONameService } from '../../../core/breadcrumbs/dso-name.service';
 import { environment } from '../../../../environments/environment';
+import { getGroupEditRoute, getGroupsRoute } from '../../access-control-routing-paths';
 
 @Component({
   selector: 'ds-group-form',
@@ -165,19 +165,19 @@ export class GroupFormComponent implements OnInit, OnDestroy {
     this.canEdit$ = this.groupDataService.getActiveGroup().pipe(
       hasValueOperator(),
       switchMap((group: Group) => {
-        return observableCombineLatest(
+        return observableCombineLatest([
           this.authorizationService.isAuthorized(FeatureID.CanDelete, isNotEmpty(group) ? group.self : undefined),
           this.hasLinkedDSO(group),
-          (isAuthorized: ObservedValueOf<Observable<boolean>>, hasLinkedDSO: ObservedValueOf<Observable<boolean>>) => {
-            return isAuthorized && !hasLinkedDSO;
-          });
-      })
+        ]).pipe(
+          map(([isAuthorized, hasLinkedDSO]: [boolean, boolean]) => isAuthorized && !hasLinkedDSO),
+        );
+      }),
     );
-    observableCombineLatest(
+    observableCombineLatest([
       this.translateService.get(`${this.messagePrefix}.groupName`),
       this.translateService.get(`${this.messagePrefix}.groupCommunity`),
       this.translateService.get(`${this.messagePrefix}.groupDescription`)
-    ).subscribe(([groupName, groupCommunity, groupDescription]) => {
+    ]).subscribe(([groupName, groupCommunity, groupDescription]) => {
       this.groupName = new DynamicInputModel({
         id: 'groupName',
         label: groupName,
@@ -215,12 +215,12 @@ export class GroupFormComponent implements OnInit, OnDestroy {
       }
 
       this.subs.push(
-        observableCombineLatest(
+        observableCombineLatest([
           this.groupDataService.getActiveGroup(),
           this.canEdit$,
           this.groupDataService.getActiveGroup()
             .pipe(filter((activeGroup) => hasValue(activeGroup)),switchMap((activeGroup) => this.getLinkedDSO(activeGroup).pipe(getFirstSucceededRemoteDataPayload())))
-        ).subscribe(([activeGroup, canEdit, linkedObject]) => {
+        ]).subscribe(([activeGroup, canEdit, linkedObject]) => {
 
           if (activeGroup != null) {
 
@@ -230,12 +230,14 @@ export class GroupFormComponent implements OnInit, OnDestroy {
             this.groupBeingEdited = activeGroup;
 
             if (linkedObject?.name) {
-              this.formBuilderService.insertFormGroupControl(1, this.formGroup, this.formModel, this.groupCommunity);
-              this.formGroup.patchValue({
-                groupName: activeGroup.name,
-                groupCommunity: linkedObject?.name ?? '',
-                groupDescription: activeGroup.firstMetadataValue('dc.description'),
-              });
+              if (!this.formGroup.controls.groupCommunity) {
+                this.formBuilderService.insertFormGroupControl(1, this.formGroup, this.formModel, this.groupCommunity);
+                this.formGroup.patchValue({
+                  groupName: activeGroup.name,
+                  groupCommunity: linkedObject?.name ?? '',
+                  groupDescription: activeGroup.firstMetadataValue('dc.description'),
+                });
+              }
             } else {
               this.formModel = [
                 this.groupName,
@@ -263,7 +265,7 @@ export class GroupFormComponent implements OnInit, OnDestroy {
   onCancel() {
     this.groupDataService.cancelEditGroup();
     this.cancelForm.emit();
-    this.router.navigate([this.groupDataService.getGroupRegistryRouterLink()]);
+    void this.router.navigate([getGroupsRoute()]);
   }
 
   /**
@@ -310,7 +312,7 @@ export class GroupFormComponent implements OnInit, OnDestroy {
           const groupSelfLink = rd.payload._links.self.href;
           this.setActiveGroupWithLink(groupSelfLink);
           this.groupDataService.clearGroupsRequests();
-          this.router.navigateByUrl(this.groupDataService.getGroupEditPageRouterLinkWithID(rd.payload.uuid));
+          void this.router.navigateByUrl(getGroupEditRoute(rd.payload.uuid));
         }
       } else {
         this.notificationsService.error(this.translateService.get(this.messagePrefix + '.notification.created.failure', { name: groupToCreate.name }));

src/app/access-control/group-registry/group-form/members-list/members-list.component.html

@@ -1,6 +1,60 @@
 <ng-container>
   <h3 class="border-bottom pb-2">{{messagePrefix + '.head' | translate}}</h3>
 
+  <h4>{{messagePrefix + '.headMembers' | translate}}</h4>
+
+  <ds-pagination *ngIf="(ePeopleMembersOfGroup | async)?.totalElements > 0"
+                 [paginationOptions]="config"
+                 [pageInfoState]="(ePeopleMembersOfGroup | async)"
+                 [collectionSize]="(ePeopleMembersOfGroup | async)?.totalElements"
+                 [hideGear]="true"
+                 [hidePagerWhenSinglePage]="true">
+
+    <div class="table-responsive">
+      <table id="ePeopleMembersOfGroup" class="table table-striped table-hover table-bordered">
+        <thead>
+        <tr>
+          <th scope="col" class="align-middle">{{messagePrefix + '.table.id' | translate}}</th>
+          <th scope="col" class="align-middle">{{messagePrefix + '.table.name' | translate}}</th>
+          <th scope="col" class="align-middle">{{messagePrefix + '.table.identity' | translate}}</th>
+          <th class="align-middle">{{messagePrefix + '.table.edit' | translate}}</th>
+        </tr>
+        </thead>
+        <tbody>
+        <tr *ngFor="let eperson of (ePeopleMembersOfGroup | async)?.page">
+          <td class="align-middle">{{eperson.id}}</td>
+          <td class="align-middle">
+            <a (click)="ePersonDataService.startEditingNewEPerson(eperson)"
+               [routerLink]="[ePersonDataService.getEPeoplePageRouterLink()]">
+              {{ dsoNameService.getName(eperson) }}
+            </a>
+          </td>
+          <td class="align-middle">
+            {{messagePrefix + '.table.email' | translate}}: {{ eperson.email ? eperson.email : '-' }}<br/>
+            {{messagePrefix + '.table.netid' | translate}}: {{ eperson.netid ? eperson.netid : '-' }}
+          </td>
+          <td class="align-middle">
+            <div class="btn-group edit-field">
+              <button (click)="deleteMemberFromGroup(eperson)"
+                      [disabled]="actionConfig.remove.disabled"
+                      [ngClass]="['btn btn-sm', actionConfig.remove.css]"
+                      title="{{messagePrefix + '.table.edit.buttons.remove' | translate: { name: dsoNameService.getName(eperson) } }}">
+                <i [ngClass]="actionConfig.remove.icon"></i>
+              </button>
+            </div>
+          </td>
+        </tr>
+        </tbody>
+      </table>
+    </div>
+
+  </ds-pagination>
+
+  <div *ngIf="(ePeopleMembersOfGroup | async) == undefined || (ePeopleMembersOfGroup | async)?.totalElements == 0" class="alert alert-info w-100 mb-2"
+       role="alert">
+    {{messagePrefix + '.no-members-yet' | translate}}
+  </div>
+
   <h4 id="search" class="border-bottom pb-2">
     <span
       *dsContextHelp="{
@@ -15,14 +69,8 @@
   </h4>
 
   <form [formGroup]="searchForm" (ngSubmit)="search(searchForm.value)" class="d-flex justify-content-between">
-    <div>
-      <select name="scope" id="scope" formControlName="scope" class="form-control" aria-label="Search scope">
-        <option value="metadata">{{messagePrefix + '.search.scope.metadata' | translate}}</option>
-        <option value="email">{{messagePrefix + '.search.scope.email' | translate}}</option>
-      </select>
-    </div>
-    <div class="flex-grow-1 mr-3 ml-3">
-      <div class="form-group input-group">
+    <div class="flex-grow-1 mr-3">
+      <div class="form-group input-group mr-3">
         <input type="text" name="query" id="query" formControlName="query"
                class="form-control" aria-label="Search input">
         <span class="input-group-append">
@@ -37,10 +85,10 @@
     </div>
   </form>
 
-  <ds-pagination *ngIf="(ePeopleSearchDtos | async)?.totalElements > 0"
+  <ds-pagination *ngIf="(ePeopleSearch | async)?.totalElements > 0"
                  [paginationOptions]="configSearch"
-                 [pageInfoState]="(ePeopleSearchDtos | async)"
-                 [collectionSize]="(ePeopleSearchDtos | async)?.totalElements"
+                 [pageInfoState]="(ePeopleSearch | async)"
+                 [collectionSize]="(ePeopleSearch | async)?.totalElements"
                  [hideGear]="true"
                  [hidePagerWhenSinglePage]="true">
 
@@ -55,33 +103,24 @@
         </tr>
         </thead>
         <tbody>
-        <tr *ngFor="let ePerson of (ePeopleSearchDtos | async)?.page">
-          <td class="align-middle">{{ePerson.eperson.id}}</td>
+        <tr *ngFor="let eperson of (ePeopleSearch | async)?.page">
+          <td class="align-middle">{{eperson.id}}</td>
           <td class="align-middle">
-            <a (click)="ePersonDataService.startEditingNewEPerson(ePerson.eperson)"
+            <a (click)="ePersonDataService.startEditingNewEPerson(eperson)"
                [routerLink]="[ePersonDataService.getEPeoplePageRouterLink()]">
-              {{ dsoNameService.getName(ePerson.eperson) }}
+              {{ dsoNameService.getName(eperson) }}
             </a>
           </td>
           <td class="align-middle">
-            {{messagePrefix + '.table.email' | translate}}: {{ ePerson.eperson.email ? ePerson.eperson.email : '-' }}<br/>
-            {{messagePrefix + '.table.netid' | translate}}: {{ ePerson.eperson.netid ? ePerson.eperson.netid : '-' }}
+            {{messagePrefix + '.table.email' | translate}}: {{ eperson.email ? eperson.email : '-' }}<br/>
+            {{messagePrefix + '.table.netid' | translate}}: {{ eperson.netid ? eperson.netid : '-' }}
           </td>
           <td class="align-middle">
             <div class="btn-group edit-field">
-              <button *ngIf="ePerson.memberOfGroup"
-                      (click)="deleteMemberFromGroup(ePerson)"
-                      [disabled]="actionConfig.remove.disabled"
-                      [ngClass]="['btn btn-sm', actionConfig.remove.css]"
-                      title="{{messagePrefix + '.table.edit.buttons.remove' | translate: { name: dsoNameService.getName(ePerson.eperson) } }}">
-                <i [ngClass]="actionConfig.remove.icon"></i>
-              </button>
-
-              <button *ngIf="!ePerson.memberOfGroup"
-                      (click)="addMemberToGroup(ePerson)"
+              <button (click)="addMemberToGroup(eperson)"
                       [disabled]="actionConfig.add.disabled"
                       [ngClass]="['btn btn-sm', actionConfig.add.css]"
-                      title="{{messagePrefix + '.table.edit.buttons.add' | translate: { name: dsoNameService.getName(ePerson.eperson) } }}">
+                      title="{{messagePrefix + '.table.edit.buttons.add' | translate: { name: dsoNameService.getName(eperson) } }}">
                 <i [ngClass]="actionConfig.add.icon"></i>
               </button>
             </div>
@@ -93,72 +132,10 @@
 
   </ds-pagination>
 
-  <div *ngIf="(ePeopleSearchDtos | async)?.totalElements == 0 && searchDone"
+  <div *ngIf="(ePeopleSearch | async)?.totalElements == 0 && searchDone"
        class="alert alert-info w-100 mb-2"
        role="alert">
     {{messagePrefix + '.no-items' | translate}}
   </div>
 
-  <h4>{{messagePrefix + '.headMembers' | translate}}</h4>
-
-  <ds-pagination *ngIf="(ePeopleMembersOfGroupDtos | async)?.totalElements > 0"
-                 [paginationOptions]="config"
-                 [pageInfoState]="(ePeopleMembersOfGroupDtos | async)"
-                 [collectionSize]="(ePeopleMembersOfGroupDtos | async)?.totalElements"
-                 [hideGear]="true"
-                 [hidePagerWhenSinglePage]="true">
-
-    <div class="table-responsive">
-      <table id="ePeopleMembersOfGroup" class="table table-striped table-hover table-bordered">
-        <thead>
-        <tr>
-          <th scope="col" class="align-middle">{{messagePrefix + '.table.id' | translate}}</th>
-          <th scope="col" class="align-middle">{{messagePrefix + '.table.name' | translate}}</th>
-          <th scope="col" class="align-middle">{{messagePrefix + '.table.identity' | translate}}</th>
-          <th class="align-middle">{{messagePrefix + '.table.edit' | translate}}</th>
-        </tr>
-        </thead>
-        <tbody>
-        <tr *ngFor="let ePerson of (ePeopleMembersOfGroupDtos | async)?.page">
-          <td class="align-middle">{{ePerson.eperson.id}}</td>
-          <td class="align-middle">
-            <a (click)="ePersonDataService.startEditingNewEPerson(ePerson.eperson)"
-               [routerLink]="[ePersonDataService.getEPeoplePageRouterLink()]">
-              {{ dsoNameService.getName(ePerson.eperson) }}
-            </a>
-          </td>
-          <td class="align-middle">
-            {{messagePrefix + '.table.email' | translate}}: {{ ePerson.eperson.email ? ePerson.eperson.email : '-' }}<br/>
-            {{messagePrefix + '.table.netid' | translate}}: {{ ePerson.eperson.netid ? ePerson.eperson.netid : '-' }}
-          </td>
-          <td class="align-middle">
-            <div class="btn-group edit-field">
-              <button *ngIf="ePerson.memberOfGroup"
-                      (click)="deleteMemberFromGroup(ePerson)"
-                      [disabled]="actionConfig.remove.disabled"
-                      [ngClass]="['btn btn-sm', actionConfig.remove.css]"
-                      title="{{messagePrefix + '.table.edit.buttons.remove' | translate: { name: dsoNameService.getName(ePerson.eperson) } }}">
-                <i [ngClass]="actionConfig.remove.icon"></i>
-              </button>
-              <button *ngIf="!ePerson.memberOfGroup"
-                      (click)="addMemberToGroup(ePerson)"
-                      [disabled]="actionConfig.add.disabled"
-                      [ngClass]="['btn btn-sm', actionConfig.add.css]"
-                      title="{{messagePrefix + '.table.edit.buttons.add' | translate: { name: dsoNameService.getName(ePerson.eperson) } }}">
-                <i [ngClass]="actionConfig.add.icon"></i>
-              </button>
-            </div>
-          </td>
-        </tr>
-        </tbody>
-      </table>
-    </div>
-
-  </ds-pagination>
-
-  <div *ngIf="(ePeopleMembersOfGroupDtos | async) == undefined || (ePeopleMembersOfGroupDtos | async)?.totalElements == 0" class="alert alert-info w-100 mb-2"
-       role="alert">
-    {{messagePrefix + '.no-members-yet' | translate}}
-  </div>
-
 </ng-container>

src/app/access-control/group-registry/group-form/members-list/members-list.component.spec.ts

@@ -17,7 +17,7 @@ import { Group } from '../../../../core/eperson/models/group.model';
 import { PageInfo } from '../../../../core/shared/page-info.model';
 import { FormBuilderService } from '../../../../shared/form/builder/form-builder.service';
 import { NotificationsService } from '../../../../shared/notifications/notifications.service';
-import { GroupMock, GroupMock2 } from '../../../../shared/testing/group-mock';
+import { GroupMock } from '../../../../shared/testing/group-mock';
 import { MembersListComponent } from './members-list.component';
 import { EPersonMock, EPersonMock2 } from '../../../../shared/testing/eperson.mock';
 import { createSuccessfulRemoteDataObject$ } from '../../../../shared/remote-data.utils';
@@ -39,28 +39,26 @@ describe('MembersListComponent', () => {
   let ePersonDataServiceStub: any;
   let groupsDataServiceStub: any;
   let activeGroup;
-  let allEPersons: EPerson[];
-  let allGroups: Group[];
   let epersonMembers: EPerson[];
-  let subgroupMembers: Group[];
+  let epersonNonMembers: EPerson[];
   let paginationService;
 
   beforeEach(waitForAsync(() => {
     activeGroup = GroupMock;
     epersonMembers = [EPersonMock2];
-    subgroupMembers = [GroupMock2];
-    allEPersons = [EPersonMock, EPersonMock2];
-    allGroups = [GroupMock, GroupMock2];
+    epersonNonMembers = [EPersonMock];
     ePersonDataServiceStub = {
       activeGroup: activeGroup,
       epersonMembers: epersonMembers,
-      subgroupMembers: subgroupMembers,
+      epersonNonMembers: epersonNonMembers,
+      // This method is used to get all the current members
       findListByHref(_href: string): Observable<RemoteData<PaginatedList<EPerson>>> {
         return createSuccessfulRemoteDataObject$(buildPaginatedList<EPerson>(new PageInfo(), groupsDataServiceStub.getEPersonMembers()));
       },
-      searchByScope(scope: string, query: string): Observable<RemoteData<PaginatedList<EPerson>>> {
+      // This method is used to search across *non-members*
+      searchNonMembers(query: string, group: string): Observable<RemoteData<PaginatedList<EPerson>>> {
         if (query === '') {
-          return createSuccessfulRemoteDataObject$(buildPaginatedList(new PageInfo(), allEPersons));
+          return createSuccessfulRemoteDataObject$(buildPaginatedList(new PageInfo(), epersonNonMembers));
         }
         return createSuccessfulRemoteDataObject$(buildPaginatedList(new PageInfo(), []));
       },
@@ -77,22 +75,22 @@ describe('MembersListComponent', () => {
     groupsDataServiceStub = {
       activeGroup: activeGroup,
       epersonMembers: epersonMembers,
-      subgroupMembers: subgroupMembers,
-      allGroups: allGroups,
+      epersonNonMembers: epersonNonMembers,
       getActiveGroup(): Observable<Group> {
         return observableOf(activeGroup);
       },
       getEPersonMembers() {
         return this.epersonMembers;
       },
-      searchGroups(query: string): Observable<RemoteData<PaginatedList<Group>>> {
-        if (query === '') {
-          return createSuccessfulRemoteDataObject$(buildPaginatedList(new PageInfo(), this.allGroups));
-        }
-        return createSuccessfulRemoteDataObject$(buildPaginatedList(new PageInfo(), []));
-      },
-      addMemberToGroup(parentGroup, eperson: EPerson): Observable<RestResponse> {
-        this.epersonMembers = [...this.epersonMembers, eperson];
+      addMemberToGroup(parentGroup, epersonToAdd: EPerson): Observable<RestResponse> {
+        // Add eperson to list of members
+        this.epersonMembers = [...this.epersonMembers, epersonToAdd];
+        // Remove eperson from list of non-members
+        this.epersonNonMembers.forEach( (eperson: EPerson, index: number) => {
+          if (eperson.id === epersonToAdd.id) {
+            this.epersonNonMembers.splice(index, 1);
+          }
+        });
         return observableOf(new RestResponse(true, 200, 'Success'));
       },
       clearGroupsRequests() {
@@ -105,14 +103,14 @@ describe('MembersListComponent', () => {
         return '/access-control/groups/' + group.id;
       },
       deleteMemberFromGroup(parentGroup, epersonToDelete: EPerson): Observable<RestResponse> {
-        this.epersonMembers = this.epersonMembers.find((eperson: EPerson) => {
-          if (eperson.id !== epersonToDelete.id) {
-            return eperson;
+        // Remove eperson from list of members
+        this.epersonMembers.forEach( (eperson: EPerson, index: number) => {
+          if (eperson.id === epersonToDelete.id) {
+            this.epersonMembers.splice(index, 1);
           }
         });
-        if (this.epersonMembers === undefined) {
-          this.epersonMembers = [];
-        }
+        // Add eperson to list of non-members
+        this.epersonNonMembers = [...this.epersonNonMembers, epersonToDelete];
         return observableOf(new RestResponse(true, 200, 'Success'));
       }
     };
@@ -160,13 +158,37 @@ describe('MembersListComponent', () => {
     expect(comp).toBeDefined();
   }));
 
-  it('should show list of eperson members of current active group', () => {
-    const epersonIdsFound = fixture.debugElement.queryAll(By.css('#ePeopleMembersOfGroup tr td:first-child'));
-    expect(epersonIdsFound.length).toEqual(1);
-    epersonMembers.map((eperson: EPerson) => {
-      expect(epersonIdsFound.find((foundEl) => {
-        return (foundEl.nativeElement.textContent.trim() === eperson.uuid);
-      })).toBeTruthy();
+  describe('current members list', () => {
+    it('should show list of eperson members of current active group', () => {
+      const epersonIdsFound = fixture.debugElement.queryAll(By.css('#ePeopleMembersOfGroup tr td:first-child'));
+      expect(epersonIdsFound.length).toEqual(1);
+      epersonMembers.map((eperson: EPerson) => {
+        expect(epersonIdsFound.find((foundEl) => {
+          return (foundEl.nativeElement.textContent.trim() === eperson.uuid);
+        })).toBeTruthy();
+      });
+    });
+
+    it('should show a delete button next to each member', () => {
+      const epersonsFound = fixture.debugElement.queryAll(By.css('#ePeopleMembersOfGroup tbody tr'));
+      epersonsFound.map((foundEPersonRowElement: DebugElement) => {
+        const addButton: DebugElement = foundEPersonRowElement.query(By.css('td:last-child .fa-plus'));
+        const deleteButton: DebugElement = foundEPersonRowElement.query(By.css('td:last-child .fa-trash-alt'));
+        expect(addButton).toBeNull();
+        expect(deleteButton).not.toBeNull();
+      });
+    });
+
+    describe('if first delete button is pressed', () => {
+      beforeEach(() => {
+        const deleteButton: DebugElement = fixture.debugElement.query(By.css('#ePeopleMembersOfGroup tbody .fa-trash-alt'));
+        deleteButton.nativeElement.click();
+        fixture.detectChanges();
+      });
+      it('then no ePerson remains as a member of the active group.', () => {
+        const epersonsFound = fixture.debugElement.queryAll(By.css('#ePeopleMembersOfGroup tbody tr'));
+        expect(epersonsFound.length).toEqual(0);
+      });
     });
   });
 
@@ -174,76 +196,40 @@ describe('MembersListComponent', () => {
     describe('when searching without query', () => {
       let epersonsFound: DebugElement[];
       beforeEach(fakeAsync(() => {
-        spyOn(component, 'isMemberOfGroup').and.callFake((ePerson: EPerson) => {
-          return observableOf(activeGroup.epersons.includes(ePerson));
-        });
         component.search({ scope: 'metadata', query: '' });
         tick();
         fixture.detectChanges();
         epersonsFound = fixture.debugElement.queryAll(By.css('#epersonsSearch tbody tr'));
-        // Stop using the fake spy function (because otherwise the clicking on the buttons will not change anything
-        // because they don't change the value of activeGroup.epersons)
-        jasmine.getEnv().allowRespy(true);
-        spyOn(component, 'isMemberOfGroup').and.callThrough();
       }));
 
-      it('should display all epersons', () => {
-        expect(epersonsFound.length).toEqual(2);
+      it('should display only non-members of the group', () => {
+        const epersonIdsFound = fixture.debugElement.queryAll(By.css('#epersonsSearch tbody tr td:first-child'));
+        expect(epersonIdsFound.length).toEqual(1);
+        epersonNonMembers.map((eperson: EPerson) => {
+          expect(epersonIdsFound.find((foundEl) => {
+            return (foundEl.nativeElement.textContent.trim() === eperson.uuid);
+          })).toBeTruthy();
+        });
       });
 
-      describe('if eperson is already a eperson', () => {
-        it('should have delete button, else it should have add button', () => {
-          const memberIds: string[] = activeGroup.epersons.map((ePerson: EPerson) => ePerson.id);
-          epersonsFound.map((foundEPersonRowElement: DebugElement) => {
-            const epersonId: DebugElement = foundEPersonRowElement.query(By.css('td:first-child'));
-            const addButton: DebugElement = foundEPersonRowElement.query(By.css('td:last-child .fa-plus'));
-            const deleteButton: DebugElement = foundEPersonRowElement.query(By.css('td:last-child .fa-trash-alt'));
-            if (memberIds.includes(epersonId.nativeElement.textContent)) {
-              expect(addButton).toBeNull();
-              expect(deleteButton).not.toBeNull();
-            } else {
-              expect(deleteButton).toBeNull();
-              expect(addButton).not.toBeNull();
-            }
-          });
+      it('should display an add button next to non-members, not a delete button', () => {
+        epersonsFound.map((foundEPersonRowElement: DebugElement) => {
+          const addButton: DebugElement = foundEPersonRowElement.query(By.css('td:last-child .fa-plus'));
+          const deleteButton: DebugElement = foundEPersonRowElement.query(By.css('td:last-child .fa-trash-alt'));
+          expect(addButton).not.toBeNull();
+          expect(deleteButton).toBeNull();
         });
       });
 
       describe('if first add button is pressed', () => {
-        beforeEach(fakeAsync(() => {
+        beforeEach(() => {
           const addButton: DebugElement = fixture.debugElement.query(By.css('#epersonsSearch tbody .fa-plus'));
           addButton.nativeElement.click();
-          tick();
           fixture.detectChanges();
-        }));
-        it('then all the ePersons are member of the active group', () => {
-          epersonsFound = fixture.debugElement.queryAll(By.css('#epersonsSearch tbody tr'));
-          expect(epersonsFound.length).toEqual(2);
-          epersonsFound.map((foundEPersonRowElement: DebugElement) => {
-            const addButton: DebugElement = foundEPersonRowElement.query(By.css('td:last-child .fa-plus'));
-            const deleteButton: DebugElement = foundEPersonRowElement.query(By.css('td:last-child .fa-trash-alt'));
-            expect(addButton).toBeNull();
-            expect(deleteButton).not.toBeNull();
-          });
         });
-      });
-
-      describe('if first delete button is pressed', () => {
-        beforeEach(fakeAsync(() => {
-          const deleteButton: DebugElement = fixture.debugElement.query(By.css('#epersonsSearch tbody .fa-trash-alt'));
-          deleteButton.nativeElement.click();
-          tick();
-          fixture.detectChanges();
-        }));
-        it('then no ePerson is member of the active group', () => {
+        it('then all (two) ePersons are member of the active group. No non-members left', () => {
           epersonsFound = fixture.debugElement.queryAll(By.css('#epersonsSearch tbody tr'));
-          expect(epersonsFound.length).toEqual(2);
-          epersonsFound.map((foundEPersonRowElement: DebugElement) => {
-            const addButton: DebugElement = foundEPersonRowElement.query(By.css('td:last-child .fa-plus'));
-            const deleteButton: DebugElement = foundEPersonRowElement.query(By.css('td:last-child .fa-trash-alt'));
-            expect(deleteButton).toBeNull();
-            expect(addButton).not.toBeNull();
-          });
+          expect(epersonsFound.length).toEqual(0);
         });
       });
     });

src/app/access-control/group-registry/group-form/members-list/members-list.component.ts

@@ -4,28 +4,23 @@ import { Router } from '@angular/router';
 import { TranslateService } from '@ngx-translate/core';
 import {
   Observable,
-  of as observableOf,
   Subscription,
-  BehaviorSubject,
-  combineLatest as observableCombineLatest,
-  ObservedValueOf,
+  BehaviorSubject
 } from 'rxjs';
-import { defaultIfEmpty, map, mergeMap, switchMap, take } from 'rxjs/operators';
-import { buildPaginatedList, PaginatedList } from '../../../../core/data/paginated-list.model';
+import { map, switchMap, take } from 'rxjs/operators';
+import { PaginatedList } from '../../../../core/data/paginated-list.model';
 import { RemoteData } from '../../../../core/data/remote-data';
 import { EPersonDataService } from '../../../../core/eperson/eperson-data.service';
 import { GroupDataService } from '../../../../core/eperson/group-data.service';
 import { EPerson } from '../../../../core/eperson/models/eperson.model';
 import { Group } from '../../../../core/eperson/models/group.model';
 import {
-  getFirstSucceededRemoteData,
   getFirstCompletedRemoteData,
   getAllCompletedRemoteData,
   getRemoteDataPayload
 } from '../../../../core/shared/operators';
 import { NotificationsService } from '../../../../shared/notifications/notifications.service';
 import { PaginationComponentOptions } from '../../../../shared/pagination/pagination-component-options.model';
-import { EpersonDtoModel } from '../../../../core/eperson/models/eperson-dto.model';
 import { PaginationService } from '../../../../core/pagination/pagination.service';
 import { DSONameService } from '../../../../core/breadcrumbs/dso-name.service';
 
@@ -34,8 +29,8 @@ import { DSONameService } from '../../../../core/breadcrumbs/dso-name.service';
  */
 enum SubKey {
   ActiveGroup,
-  MembersDTO,
-  SearchResultsDTO,
+  Members,
+  SearchResults,
 }
 
 /**
@@ -96,11 +91,11 @@ export class MembersListComponent implements OnInit, OnDestroy {
   /**
    * EPeople being displayed in search result, initially all members, after search result of search
    */
-  ePeopleSearchDtos: BehaviorSubject<PaginatedList<EpersonDtoModel>> = new BehaviorSubject<PaginatedList<EpersonDtoModel>>(undefined);
+  ePeopleSearch: BehaviorSubject<PaginatedList<EPerson>> = new BehaviorSubject<PaginatedList<EPerson>>(undefined);
   /**
    * List of EPeople members of currently active group being edited
    */
-  ePeopleMembersOfGroupDtos: BehaviorSubject<PaginatedList<EpersonDtoModel>> = new BehaviorSubject<PaginatedList<EpersonDtoModel>>(undefined);
+  ePeopleMembersOfGroup: BehaviorSubject<PaginatedList<EPerson>> = new BehaviorSubject<PaginatedList<EPerson>>(undefined);
 
   /**
    * Pagination config used to display the list of EPeople that are result of EPeople search
@@ -129,7 +124,6 @@ export class MembersListComponent implements OnInit, OnDestroy {
 
   // Current search in edit group - epeople search form
   currentSearchQuery: string;
-  currentSearchScope: string;
 
   // Whether or not user has done a EPeople search yet
   searchDone: boolean;
@@ -148,18 +142,17 @@ export class MembersListComponent implements OnInit, OnDestroy {
     public dsoNameService: DSONameService,
   ) {
     this.currentSearchQuery = '';
-    this.currentSearchScope = 'metadata';
   }
 
   ngOnInit(): void {
     this.searchForm = this.formBuilder.group(({
-      scope: 'metadata',
       query: '',
     }));
     this.subs.set(SubKey.ActiveGroup, this.groupDataService.getActiveGroup().subscribe((activeGroup: Group) => {
       if (activeGroup != null) {
         this.groupBeingEdited = activeGroup;
         this.retrieveMembers(this.config.currentPage);
+        this.search({query: ''});
       }
     }));
   }
@@ -171,8 +164,8 @@ export class MembersListComponent implements OnInit, OnDestroy {
    * @private
    */
   retrieveMembers(page: number): void {
-    this.unsubFrom(SubKey.MembersDTO);
-    this.subs.set(SubKey.MembersDTO,
+    this.unsubFrom(SubKey.Members);
+    this.subs.set(SubKey.Members,
       this.paginationService.getCurrentPagination(this.config.id, this.config).pipe(
         switchMap((currentPagination) => {
           return this.ePersonDataService.findListByHref(this.groupBeingEdited._links.epersons.href, {
@@ -189,49 +182,12 @@ export class MembersListComponent implements OnInit, OnDestroy {
             return rd;
           }
         }),
-        switchMap((epersonListRD: RemoteData<PaginatedList<EPerson>>) => {
-          const dtos$ = observableCombineLatest([...epersonListRD.payload.page.map((member: EPerson) => {
-            const dto$: Observable<EpersonDtoModel> = observableCombineLatest(
-              this.isMemberOfGroup(member), (isMember: ObservedValueOf<Observable<boolean>>) => {
-                const epersonDtoModel: EpersonDtoModel = new EpersonDtoModel();
-                epersonDtoModel.eperson = member;
-                epersonDtoModel.memberOfGroup = isMember;
-                return epersonDtoModel;
-              });
-            return dto$;
-          })]);
-          return dtos$.pipe(defaultIfEmpty([]), map((dtos: EpersonDtoModel[]) => {
-            return buildPaginatedList(epersonListRD.payload.pageInfo, dtos);
-          }));
-        }))
-        .subscribe((paginatedListOfDTOs: PaginatedList<EpersonDtoModel>) => {
-          this.ePeopleMembersOfGroupDtos.next(paginatedListOfDTOs);
+        getRemoteDataPayload())
+        .subscribe((paginatedListOfEPersons: PaginatedList<EPerson>) => {
+          this.ePeopleMembersOfGroup.next(paginatedListOfEPersons);
         }));
   }
 
-  /**
-   * Whether the given ePerson is a member of the group currently being edited
-   * @param possibleMember  EPerson that is a possible member (being tested) of the group currently being edited
-   */
-  isMemberOfGroup(possibleMember: EPerson): Observable<boolean> {
-    return this.groupDataService.getActiveGroup().pipe(take(1),
-      mergeMap((group: Group) => {
-        if (group != null) {
-          return this.ePersonDataService.findListByHref(group._links.epersons.href, {
-            currentPage: 1,
-            elementsPerPage: 9999
-          })
-            .pipe(
-              getFirstSucceededRemoteData(),
-              getRemoteDataPayload(),
-              map((listEPeopleInGroup: PaginatedList<EPerson>) => listEPeopleInGroup.page.filter((ePersonInList: EPerson) => ePersonInList.id === possibleMember.id)),
-              map((epeople: EPerson[]) => epeople.length > 0));
-        } else {
-          return observableOf(false);
-        }
-      }));
-  }
-
   /**
    * Unsubscribe from a subscription if it's still subscribed, and remove it from the map of
    * active subscriptions
@@ -248,14 +204,18 @@ export class MembersListComponent implements OnInit, OnDestroy {
 
   /**
    * Deletes a given EPerson from the members list of the group currently being edited
-   * @param ePerson   EPerson we want to delete as member from group that is currently being edited
+   * @param eperson   EPerson we want to delete as member from group that is currently being edited
    */
-  deleteMemberFromGroup(ePerson: EpersonDtoModel) {
-    ePerson.memberOfGroup = false;
+  deleteMemberFromGroup(eperson: EPerson) {
     this.groupDataService.getActiveGroup().pipe(take(1)).subscribe((activeGroup: Group) => {
       if (activeGroup != null) {
-        const response = this.groupDataService.deleteMemberFromGroup(activeGroup, ePerson.eperson);
-        this.showNotifications('deleteMember', response, this.dsoNameService.getName(ePerson.eperson), activeGroup);
+        const response = this.groupDataService.deleteMemberFromGroup(activeGroup, eperson);
+        this.showNotifications('deleteMember', response, this.dsoNameService.getName(eperson), activeGroup);
+        // Reload search results (if there is an active query).
+        // This will potentially add this deleted subgroup into the list of search results.
+        if (this.currentSearchQuery != null) {
+          this.search({query: this.currentSearchQuery});
+        }
       } else {
         this.notificationsService.error(this.translateService.get(this.messagePrefix + '.notification.failure.noActiveGroup'));
       }
@@ -264,14 +224,18 @@ export class MembersListComponent implements OnInit, OnDestroy {
 
   /**
    * Adds a given EPerson to the members list of the group currently being edited
-   * @param ePerson   EPerson we want to add as member to group that is currently being edited
+   * @param eperson   EPerson we want to add as member to group that is currently being edited
    */
-  addMemberToGroup(ePerson: EpersonDtoModel) {
-    ePerson.memberOfGroup = true;
+  addMemberToGroup(eperson: EPerson) {
     this.groupDataService.getActiveGroup().pipe(take(1)).subscribe((activeGroup: Group) => {
       if (activeGroup != null) {
-        const response = this.groupDataService.addMemberToGroup(activeGroup, ePerson.eperson);
-        this.showNotifications('addMember', response, this.dsoNameService.getName(ePerson.eperson), activeGroup);
+        const response = this.groupDataService.addMemberToGroup(activeGroup, eperson);
+        this.showNotifications('addMember', response, this.dsoNameService.getName(eperson), activeGroup);
+        // Reload search results (if there is an active query).
+        // This will potentially add this deleted subgroup into the list of search results.
+        if (this.currentSearchQuery != null) {
+          this.search({query: this.currentSearchQuery});
+        }
       } else {
         this.notificationsService.error(this.translateService.get(this.messagePrefix + '.notification.failure.noActiveGroup'));
       }
@@ -279,37 +243,25 @@ export class MembersListComponent implements OnInit, OnDestroy {
   }
 
   /**
-   * Search in the EPeople by name, email or metadata
-   * @param data  Contains scope and query param
+   * Search all EPeople who are NOT a member of the current group by name, email or metadata
+   * @param data  Contains query param
    */
   search(data: any) {
-    this.unsubFrom(SubKey.SearchResultsDTO);
-    this.subs.set(SubKey.SearchResultsDTO,
+    this.unsubFrom(SubKey.SearchResults);
+    this.subs.set(SubKey.SearchResults,
       this.paginationService.getCurrentPagination(this.configSearch.id, this.configSearch).pipe(
         switchMap((paginationOptions) => {
-
           const query: string = data.query;
-          const scope: string = data.scope;
           if (query != null && this.currentSearchQuery !== query && this.groupBeingEdited) {
-            this.router.navigate([], {
-              queryParamsHandling: 'merge'
-            });
             this.currentSearchQuery = query;
             this.paginationService.resetPage(this.configSearch.id);
           }
-          if (scope != null && this.currentSearchScope !== scope && this.groupBeingEdited) {
-            this.router.navigate([], {
-              queryParamsHandling: 'merge'
-            });
-            this.currentSearchScope = scope;
-            this.paginationService.resetPage(this.configSearch.id);
-          }
           this.searchDone = true;
 
-          return this.ePersonDataService.searchByScope(this.currentSearchScope, this.currentSearchQuery, {
+          return this.ePersonDataService.searchNonMembers(this.currentSearchQuery, this.groupBeingEdited.id, {
             currentPage: paginationOptions.currentPage,
             elementsPerPage: paginationOptions.pageSize
-          });
+          }, false, true);
         }),
         getAllCompletedRemoteData(),
         map((rd: RemoteData<any>) => {
@@ -319,23 +271,9 @@ export class MembersListComponent implements OnInit, OnDestroy {
             return rd;
           }
         }),
-        switchMap((epersonListRD: RemoteData<PaginatedList<EPerson>>) => {
-          const dtos$ = observableCombineLatest([...epersonListRD.payload.page.map((member: EPerson) => {
-            const dto$: Observable<EpersonDtoModel> = observableCombineLatest(
-              this.isMemberOfGroup(member), (isMember: ObservedValueOf<Observable<boolean>>) => {
-                const epersonDtoModel: EpersonDtoModel = new EpersonDtoModel();
-                epersonDtoModel.eperson = member;
-                epersonDtoModel.memberOfGroup = isMember;
-                return epersonDtoModel;
-              });
-            return dto$;
-          })]);
-          return dtos$.pipe(defaultIfEmpty([]), map((dtos: EpersonDtoModel[]) => {
-            return buildPaginatedList(epersonListRD.payload.pageInfo, dtos);
-          }));
-        }))
-        .subscribe((paginatedListOfDTOs: PaginatedList<EpersonDtoModel>) => {
-          this.ePeopleSearchDtos.next(paginatedListOfDTOs);
+        getRemoteDataPayload())
+        .subscribe((paginatedListOfEPersons: PaginatedList<EPerson>) => {
+          this.ePeopleSearch.next(paginatedListOfEPersons);
         }));
   }
 

src/app/access-control/group-registry/group-form/subgroup-list/subgroups-list.component.html

@@ -1,6 +1,55 @@
 <ng-container>
   <h3 class="border-bottom pb-2">{{messagePrefix + '.head' | translate}}</h3>
 
+  <h4>{{messagePrefix + '.headSubgroups' | translate}}</h4>
+
+  <ds-pagination *ngIf="(subGroups$ | async)?.payload?.totalElements > 0"
+                 [paginationOptions]="config"
+                 [pageInfoState]="(subGroups$ | async)?.payload"
+                 [collectionSize]="(subGroups$ | async)?.payload?.totalElements"
+                 [hideGear]="true"
+                 [hidePagerWhenSinglePage]="true">
+
+    <div class="table-responsive">
+      <table id="subgroupsOfGroup" class="table table-striped table-hover table-bordered">
+        <thead>
+        <tr>
+          <th scope="col" class="align-middle">{{messagePrefix + '.table.id' | translate}}</th>
+          <th scope="col" class="align-middle">{{messagePrefix + '.table.name' | translate}}</th>
+          <th scope="col" class="align-middle">{{messagePrefix + '.table.collectionOrCommunity' | translate}}</th>
+          <th>{{messagePrefix + '.table.edit' | translate}}</th>
+        </tr>
+        </thead>
+        <tbody>
+        <tr *ngFor="let group of (subGroups$ | async)?.payload?.page">
+          <td class="align-middle">{{group.id}}</td>
+          <td class="align-middle">
+            <a (click)="groupDataService.startEditingNewGroup(group)"
+               [routerLink]="[groupDataService.getGroupEditPageRouterLink(group)]">
+            {{ dsoNameService.getName(group) }}
+          </a>
+          </td>
+          <td class="align-middle">{{ dsoNameService.getName((group.object | async)?.payload)}}</td>
+          <td class="align-middle">
+            <div class="btn-group edit-field">
+              <button (click)="deleteSubgroupFromGroup(group)"
+                      class="btn btn-outline-danger btn-sm deleteButton"
+                      title="{{messagePrefix + '.table.edit.buttons.remove' | translate: { name: dsoNameService.getName(group) } }}">
+                <i class="fas fa-trash-alt fa-fw"></i>
+              </button>
+            </div>
+          </td>
+        </tr>
+        </tbody>
+      </table>
+    </div>
+  </ds-pagination>
+
+  <div *ngIf="(subGroups$ | async)?.payload?.totalElements == 0" class="alert alert-info w-100 mb-2"
+       role="alert">
+    {{messagePrefix + '.no-subgroups-yet' | translate}}
+  </div>
+
   <h4 id="search" class="border-bottom pb-2">
     <span *dsContextHelp="{
             content: 'admin.access-control.groups.form.tooltip.editGroup.addSubgroups',
@@ -62,17 +111,7 @@
           <td class="align-middle">{{ dsoNameService.getName((group.object | async)?.payload) }}</td>
           <td class="align-middle">
             <div class="btn-group edit-field">
-              <button *ngIf="(isSubgroupOfGroup(group) | async) && !(isActiveGroup(group) | async)"
-                      (click)="deleteSubgroupFromGroup(group)"
-                      class="btn btn-outline-danger btn-sm deleteButton"
-                      title="{{messagePrefix + '.table.edit.buttons.remove' | translate: { name: dsoNameService.getName(group) } }}">
-                <i class="fas fa-trash-alt fa-fw"></i>
-              </button>
-
-              <span *ngIf="(isActiveGroup(group) | async)">{{ messagePrefix + '.table.edit.currentGroup' | translate }}</span>
-
-              <button *ngIf="!(isSubgroupOfGroup(group) | async) && !(isActiveGroup(group) | async)"
-                      (click)="addSubgroupToGroup(group)"
+              <button (click)="addSubgroupToGroup(group)"
                       class="btn btn-outline-primary btn-sm addButton"
                       title="{{messagePrefix + '.table.edit.buttons.add' | translate: { name: dsoNameService.getName(group) } }}">
                 <i class="fas fa-plus fa-fw"></i>
@@ -90,53 +129,4 @@
     {{messagePrefix + '.no-items' | translate}}
   </div>
 
-  <h4>{{messagePrefix + '.headSubgroups' | translate}}</h4>
-
-  <ds-pagination *ngIf="(subGroups$ | async)?.payload?.totalElements > 0"
-                 [paginationOptions]="config"
-                 [pageInfoState]="(subGroups$ | async)?.payload"
-                 [collectionSize]="(subGroups$ | async)?.payload?.totalElements"
-                 [hideGear]="true"
-                 [hidePagerWhenSinglePage]="true">
-
-    <div class="table-responsive">
-      <table id="subgroupsOfGroup" class="table table-striped table-hover table-bordered">
-        <thead>
-        <tr>
-          <th scope="col" class="align-middle">{{messagePrefix + '.table.id' | translate}}</th>
-          <th scope="col" class="align-middle">{{messagePrefix + '.table.name' | translate}}</th>
-          <th scope="col" class="align-middle">{{messagePrefix + '.table.collectionOrCommunity' | translate}}</th>
-          <th>{{messagePrefix + '.table.edit' | translate}}</th>
-        </tr>
-        </thead>
-        <tbody>
-        <tr *ngFor="let group of (subGroups$ | async)?.payload?.page">
-          <td class="align-middle">{{group.id}}</td>
-          <td class="align-middle">
-            <a (click)="groupDataService.startEditingNewGroup(group)"
-               [routerLink]="[groupDataService.getGroupEditPageRouterLink(group)]">
-            {{ dsoNameService.getName(group) }}
-          </a>
-          </td>
-          <td class="align-middle">{{ dsoNameService.getName((group.object | async)?.payload)}}</td>
-          <td class="align-middle">
-            <div class="btn-group edit-field">
-              <button (click)="deleteSubgroupFromGroup(group)"
-                      class="btn btn-outline-danger btn-sm deleteButton"
-                      title="{{messagePrefix + '.table.edit.buttons.remove' | translate: { name: dsoNameService.getName(group) } }}">
-                <i class="fas fa-trash-alt fa-fw"></i>
-              </button>
-            </div>
-          </td>
-        </tr>
-        </tbody>
-      </table>
-    </div>
-  </ds-pagination>
-
-  <div *ngIf="(subGroups$ | async)?.payload?.totalElements == 0" class="alert alert-info w-100 mb-2"
-       role="alert">
-    {{messagePrefix + '.no-subgroups-yet' | translate}}
-  </div>
-
 </ng-container>

src/app/access-control/group-registry/group-form/subgroup-list/subgroups-list.component.spec.ts

@@ -1,12 +1,12 @@
 import { CommonModule } from '@angular/common';
 import { NO_ERRORS_SCHEMA, DebugElement } from '@angular/core';
-import { ComponentFixture, fakeAsync, flush, inject, TestBed, tick, waitForAsync } from '@angular/core/testing';
+import { ComponentFixture, fakeAsync, flush, inject, TestBed, waitForAsync } from '@angular/core/testing';
 import { FormsModule, ReactiveFormsModule } from '@angular/forms';
 import { BrowserModule, By } from '@angular/platform-browser';
 import { Router } from '@angular/router';
 import { NgbModule } from '@ng-bootstrap/ng-bootstrap';
 import { TranslateLoader, TranslateModule, TranslateService } from '@ngx-translate/core';
-import { Observable, of as observableOf, BehaviorSubject } from 'rxjs';
+import { Observable, of as observableOf } from 'rxjs';
 import { RestResponse } from '../../../../core/cache/response.models';
 import { buildPaginatedList, PaginatedList } from '../../../../core/data/paginated-list.model';
 import { RemoteData } from '../../../../core/data/remote-data';
@@ -18,19 +18,18 @@ import { NotificationsService } from '../../../../shared/notifications/notificat
 import { GroupMock, GroupMock2 } from '../../../../shared/testing/group-mock';
 import { SubgroupsListComponent } from './subgroups-list.component';
 import {
-  createSuccessfulRemoteDataObject$,
-  createSuccessfulRemoteDataObject
+  createSuccessfulRemoteDataObject$
 } from '../../../../shared/remote-data.utils';
 import { RouterMock } from '../../../../shared/mocks/router.mock';
 import { getMockFormBuilderService } from '../../../../shared/mocks/form-builder-service.mock';
 import { getMockTranslateService } from '../../../../shared/mocks/translate.service.mock';
 import { TranslateLoaderMock } from '../../../../shared/testing/translate-loader.mock';
 import { NotificationsServiceStub } from '../../../../shared/testing/notifications-service.stub';
-import { map } from 'rxjs/operators';
 import { PaginationService } from '../../../../core/pagination/pagination.service';
 import { PaginationServiceStub } from '../../../../shared/testing/pagination-service.stub';
 import { DSONameService } from '../../../../core/breadcrumbs/dso-name.service';
 import { DSONameServiceMock } from '../../../../shared/mocks/dso-name.service.mock';
+import { EPersonMock2 } from 'src/app/shared/testing/eperson.mock';
 
 describe('SubgroupsListComponent', () => {
   let component: SubgroupsListComponent;
@@ -39,44 +38,70 @@ describe('SubgroupsListComponent', () => {
   let builderService: FormBuilderService;
   let ePersonDataServiceStub: any;
   let groupsDataServiceStub: any;
-  let activeGroup;
+  let activeGroup: Group;
   let subgroups: Group[];
-  let allGroups: Group[];
+  let groupNonMembers: Group[];
   let routerStub;
   let paginationService;
+  // Define a new mock activegroup for all tests below
+  let mockActiveGroup: Group = Object.assign(new Group(), {
+    handle: null,
+    subgroups: [GroupMock2],
+    epersons: [EPersonMock2],
+    selfRegistered: false,
+    permanent: false,
+    _links: {
+        self: {
+            href: 'https://rest.api/server/api/eperson/groups/activegroupid',
+        },
+        subgroups: { href: 'https://rest.api/server/api/eperson/groups/activegroupid/subgroups' },
+        object: { href: 'https://rest.api/server/api/eperson/groups/activegroupid/object' },
+        epersons: { href: 'https://rest.api/server/api/eperson/groups/activegroupid/epersons' }
+    },
+    _name: 'activegroupname',
+    id: 'activegroupid',
+    uuid: 'activegroupid',
+    type: 'group',
+  });
 
   beforeEach(waitForAsync(() => {
-    activeGroup = GroupMock;
+    activeGroup = mockActiveGroup;
     subgroups = [GroupMock2];
-    allGroups = [GroupMock, GroupMock2];
+    groupNonMembers = [GroupMock];
     ePersonDataServiceStub = {};
     groupsDataServiceStub = {
       activeGroup: activeGroup,
-      subgroups$: new BehaviorSubject(subgroups),
+      subgroups: subgroups,
+      groupNonMembers: groupNonMembers,
       getActiveGroup(): Observable<Group> {
         return observableOf(this.activeGroup);
       },
       getSubgroups(): Group {
-        return this.activeGroup;
+        return this.subgroups;
       },
+      // This method is used to get all the current subgroups
       findListByHref(_href: string): Observable<RemoteData<PaginatedList<Group>>> {
-        return this.subgroups$.pipe(
-          map((currentGroups: Group[]) => {
-            return createSuccessfulRemoteDataObject(buildPaginatedList<Group>(new PageInfo(), currentGroups));
-          })
-        );
+        return createSuccessfulRemoteDataObject$(buildPaginatedList<Group>(new PageInfo(), groupsDataServiceStub.getSubgroups()));
       },
       getGroupEditPageRouterLink(group: Group): string {
         return '/access-control/groups/' + group.id;
       },
-      searchGroups(query: string): Observable<RemoteData<PaginatedList<Group>>> {
+      // This method is used to get all groups which are NOT currently a subgroup member
+      searchNonMemberGroups(query: string, group: string): Observable<RemoteData<PaginatedList<Group>>> {
         if (query === '') {
-          return createSuccessfulRemoteDataObject$(buildPaginatedList(new PageInfo(), allGroups));
+          return createSuccessfulRemoteDataObject$(buildPaginatedList(new PageInfo(), groupNonMembers));
         }
         return createSuccessfulRemoteDataObject$(buildPaginatedList(new PageInfo(), []));
       },
-      addSubGroupToGroup(parentGroup, subgroup: Group): Observable<RestResponse> {
-        this.subgroups$.next([...this.subgroups$.getValue(), subgroup]);
+      addSubGroupToGroup(parentGroup, subgroupToAdd: Group): Observable<RestResponse> {
+        // Add group to list of subgroups
+        this.subgroups = [...this.subgroups, subgroupToAdd];
+        // Remove group from list of non-members
+        this.groupNonMembers.forEach( (group: Group, index: number) => {
+          if (group.id === subgroupToAdd.id) {
+            this.groupNonMembers.splice(index, 1);
+          }
+        });
         return observableOf(new RestResponse(true, 200, 'Success'));
       },
       clearGroupsRequests() {
@@ -85,12 +110,15 @@ describe('SubgroupsListComponent', () => {
       clearGroupLinkRequests() {
         // empty
       },
-      deleteSubGroupFromGroup(parentGroup, subgroup: Group): Observable<RestResponse> {
-        this.subgroups$.next(this.subgroups$.getValue().filter((group: Group) => {
-          if (group.id !== subgroup.id) {
-            return group;
+      deleteSubGroupFromGroup(parentGroup, subgroupToDelete: Group): Observable<RestResponse> {
+        // Remove group from list of subgroups
+        this.subgroups.forEach( (group: Group, index: number) => {
+          if (group.id === subgroupToDelete.id) {
+            this.subgroups.splice(index, 1);
           }
-        }));
+        });
+        // Add group to list of non-members
+        this.groupNonMembers = [...this.groupNonMembers, subgroupToDelete];
         return observableOf(new RestResponse(true, 200, 'Success'));
       }
     };
@@ -99,7 +127,7 @@ describe('SubgroupsListComponent', () => {
     translateService = getMockTranslateService();
 
     paginationService = new PaginationServiceStub();
-    TestBed.configureTestingModule({
+    return TestBed.configureTestingModule({
       imports: [CommonModule, NgbModule, FormsModule, ReactiveFormsModule, BrowserModule,
         TranslateModule.forRoot({
           loader: {
@@ -137,30 +165,38 @@ describe('SubgroupsListComponent', () => {
     expect(comp).toBeDefined();
   }));
 
-  it('should show list of subgroups of current active group', () => {
-    const groupIdsFound = fixture.debugElement.queryAll(By.css('#subgroupsOfGroup tr td:first-child'));
-    expect(groupIdsFound.length).toEqual(1);
-    activeGroup.subgroups.map((group: Group) => {
-      expect(groupIdsFound.find((foundEl) => {
-        return (foundEl.nativeElement.textContent.trim() === group.uuid);
-      })).toBeTruthy();
-    });
-  });
-
-  describe('if first group delete button is pressed', () => {
-    let groupsFound: DebugElement[];
-    beforeEach(fakeAsync(() => {
-      const addButton = fixture.debugElement.query(By.css('#subgroupsOfGroup tbody .deleteButton'));
-      addButton.triggerEventHandler('click', {
-        preventDefault: () => {/**/
-        }
+  describe('current subgroup list', () => {
+    it('should show list of subgroups of current active group', () => {
+      const groupIdsFound = fixture.debugElement.queryAll(By.css('#subgroupsOfGroup tr td:first-child'));
+      expect(groupIdsFound.length).toEqual(1);
+      subgroups.map((group: Group) => {
+        expect(groupIdsFound.find((foundEl) => {
+          return (foundEl.nativeElement.textContent.trim() === group.uuid);
+        })).toBeTruthy();
+      });
+    });
+
+    it('should show a delete button next to each subgroup', () => {
+      const subgroupsFound = fixture.debugElement.queryAll(By.css('#subgroupsOfGroup tbody tr'));
+      subgroupsFound.map((foundGroupRowElement: DebugElement) => {
+        const addButton: DebugElement = foundGroupRowElement.query(By.css('td:last-child .fa-plus'));
+        const deleteButton: DebugElement = foundGroupRowElement.query(By.css('td:last-child .fa-trash-alt'));
+        expect(addButton).toBeNull();
+        expect(deleteButton).not.toBeNull();
+      });
+    });
+
+    describe('if first group delete button is pressed', () => {
+      let groupsFound: DebugElement[];
+      beforeEach(() => {
+        const deleteButton = fixture.debugElement.query(By.css('#subgroupsOfGroup tbody .deleteButton'));
+        deleteButton.nativeElement.click();
+        fixture.detectChanges();
+      });
+      it('then no subgroup remains as a member of the active group', () => {
+        groupsFound = fixture.debugElement.queryAll(By.css('#subgroupsOfGroup tbody tr'));
+        expect(groupsFound.length).toEqual(0);
       });
-      tick();
-      fixture.detectChanges();
-    }));
-    it('one less subgroup in list from 1 to 0 (of 2 total groups)', () => {
-      groupsFound = fixture.debugElement.queryAll(By.css('#subgroupsOfGroup tbody tr'));
-      expect(groupsFound.length).toEqual(0);
     });
   });
 
@@ -169,54 +205,38 @@ describe('SubgroupsListComponent', () => {
       let groupsFound: DebugElement[];
       beforeEach(fakeAsync(() => {
         component.search({ query: '' });
+        fixture.detectChanges();
         groupsFound = fixture.debugElement.queryAll(By.css('#groupsSearch tbody tr'));
       }));
 
-      it('should display all groups', () => {
-        fixture.detectChanges();
-        groupsFound = fixture.debugElement.queryAll(By.css('#groupsSearch tbody tr'));
-        expect(groupsFound.length).toEqual(2);
-        groupsFound = fixture.debugElement.queryAll(By.css('#groupsSearch tbody tr'));
+      it('should display only non-member groups (i.e. groups that are not a subgroup)', () => {
         const groupIdsFound: DebugElement[] = fixture.debugElement.queryAll(By.css('#groupsSearch tbody tr td:first-child'));
-        allGroups.map((group: Group) => {
+        expect(groupIdsFound.length).toEqual(1);
+        groupNonMembers.map((group: Group) => {
           expect(groupIdsFound.find((foundEl: DebugElement) => {
             return (foundEl.nativeElement.textContent.trim() === group.uuid);
           })).toBeTruthy();
         });
       });
 
-      describe('if group is already a subgroup', () => {
-        it('should have delete button, else it should have add button', () => {
+      it('should display an add button next to non-member groups, not a delete button', () => {
+        groupsFound.map((foundGroupRowElement: DebugElement) => {
+          const addButton: DebugElement = foundGroupRowElement.query(By.css('td:last-child .fa-plus'));
+          const deleteButton: DebugElement = foundGroupRowElement.query(By.css('td:last-child .fa-trash-alt'));
+          expect(addButton).not.toBeNull();
+          expect(deleteButton).toBeNull();
+        });
+      });
+
+      describe('if first add button is pressed', () => {
+        beforeEach(() => {
+          const addButton: DebugElement = fixture.debugElement.query(By.css('#groupsSearch tbody .fa-plus'));
+          addButton.nativeElement.click();
           fixture.detectChanges();
+        });
+        it('then all (two) Groups are subgroups of the active group. No non-members left', () => {
           groupsFound = fixture.debugElement.queryAll(By.css('#groupsSearch tbody tr'));
-          const getSubgroups = groupsDataServiceStub.getSubgroups().subgroups;
-          if (getSubgroups !== undefined && getSubgroups.length > 0) {
-            groupsFound.map((foundGroupRowElement: DebugElement) => {
-              const groupId: DebugElement = foundGroupRowElement.query(By.css('td:first-child'));
-              const addButton: DebugElement = foundGroupRowElement.query(By.css('td:last-child .fa-plus'));
-              const deleteButton: DebugElement = foundGroupRowElement.query(By.css('td:last-child .fa-trash-alt'));
-              expect(addButton).toBeNull();
-              if (activeGroup.id === groupId.nativeElement.textContent) {
-                expect(deleteButton).toBeNull();
-              } else {
-                expect(deleteButton).not.toBeNull();
-              }
-            });
-          } else {
-            const subgroupIds: string[] = activeGroup.subgroups.map((group: Group) => group.id);
-            groupsFound.map((foundGroupRowElement: DebugElement) => {
-              const groupId: DebugElement = foundGroupRowElement.query(By.css('td:first-child'));
-              const addButton: DebugElement = foundGroupRowElement.query(By.css('td:last-child .fa-plus'));
-              const deleteButton: DebugElement = foundGroupRowElement.query(By.css('td:last-child .fa-trash-alt'));
-              if (subgroupIds.includes(groupId.nativeElement.textContent)) {
-                expect(addButton).toBeNull();
-                expect(deleteButton).not.toBeNull();
-              } else {
-                expect(deleteButton).toBeNull();
-                expect(addButton).not.toBeNull();
-              }
-            });
-          }
+          expect(groupsFound.length).toEqual(0);
         });
       });
     });

src/app/access-control/group-registry/group-form/subgroup-list/subgroups-list.component.ts

@@ -2,16 +2,15 @@ import { Component, Input, OnDestroy, OnInit } from '@angular/core';
 import { UntypedFormBuilder } from '@angular/forms';
 import { Router } from '@angular/router';
 import { TranslateService } from '@ngx-translate/core';
-import { BehaviorSubject, Observable, of as observableOf, Subscription } from 'rxjs';
-import { map, mergeMap, switchMap, take } from 'rxjs/operators';
+import { BehaviorSubject, Observable, Subscription } from 'rxjs';
+import { map, switchMap, take } from 'rxjs/operators';
 import { PaginatedList } from '../../../../core/data/paginated-list.model';
 import { RemoteData } from '../../../../core/data/remote-data';
 import { GroupDataService } from '../../../../core/eperson/group-data.service';
 import { Group } from '../../../../core/eperson/models/group.model';
 import {
-  getFirstCompletedRemoteData,
-  getFirstSucceededRemoteData,
-  getRemoteDataPayload
+  getAllCompletedRemoteData,
+  getFirstCompletedRemoteData
 } from '../../../../core/shared/operators';
 import { NotificationsService } from '../../../../shared/notifications/notifications.service';
 import { PaginationComponentOptions } from '../../../../shared/pagination/pagination-component-options.model';
@@ -103,6 +102,7 @@ export class SubgroupsListComponent implements OnInit, OnDestroy {
       if (activeGroup != null) {
         this.groupBeingEdited = activeGroup;
         this.retrieveSubGroups();
+        this.search({query: ''});
       }
     }));
   }
@@ -131,47 +131,6 @@ export class SubgroupsListComponent implements OnInit, OnDestroy {
       }));
   }
 
-  /**
-   * Whether or not the given group is a subgroup of the group currently being edited
-   * @param possibleSubgroup Group that is a possible subgroup (being tested) of the group currently being edited
-   */
-  isSubgroupOfGroup(possibleSubgroup: Group): Observable<boolean> {
-    return this.groupDataService.getActiveGroup().pipe(take(1),
-      mergeMap((activeGroup: Group) => {
-        if (activeGroup != null) {
-          if (activeGroup.uuid === possibleSubgroup.uuid) {
-            return observableOf(false);
-          } else {
-            return this.groupDataService.findListByHref(activeGroup._links.subgroups.href, {
-              currentPage: 1,
-              elementsPerPage: 9999
-            })
-              .pipe(
-                getFirstSucceededRemoteData(),
-                getRemoteDataPayload(),
-                map((listTotalGroups: PaginatedList<Group>) => listTotalGroups.page.filter((groupInList: Group) => groupInList.id === possibleSubgroup.id)),
-                map((groups: Group[]) => groups.length > 0));
-          }
-        } else {
-          return observableOf(false);
-        }
-      }));
-  }
-
-  /**
-   * Whether or not the given group is the current group being edited
-   * @param group Group that is possibly the current group being edited
-   */
-  isActiveGroup(group: Group): Observable<boolean> {
-    return this.groupDataService.getActiveGroup().pipe(take(1),
-      mergeMap((activeGroup: Group) => {
-        if (activeGroup != null && activeGroup.uuid === group.uuid) {
-          return observableOf(true);
-        }
-        return observableOf(false);
-      }));
-  }
-
   /**
    * Deletes given subgroup from the group currently being edited
    * @param subgroup  Group we want to delete from the subgroups of the group currently being edited
@@ -181,6 +140,11 @@ export class SubgroupsListComponent implements OnInit, OnDestroy {
       if (activeGroup != null) {
         const response = this.groupDataService.deleteSubGroupFromGroup(activeGroup, subgroup);
         this.showNotifications('deleteSubgroup', response, this.dsoNameService.getName(subgroup), activeGroup);
+        // Reload search results (if there is an active query).
+        // This will potentially add this deleted subgroup into the list of search results.
+        if (this.currentSearchQuery != null) {
+          this.search({query: this.currentSearchQuery});
+        }
       } else {
         this.notificationsService.error(this.translateService.get(this.messagePrefix + '.notification.failure.noActiveGroup'));
       }
@@ -197,6 +161,11 @@ export class SubgroupsListComponent implements OnInit, OnDestroy {
         if (activeGroup.uuid !== subgroup.uuid) {
           const response = this.groupDataService.addSubGroupToGroup(activeGroup, subgroup);
           this.showNotifications('addSubgroup', response, this.dsoNameService.getName(subgroup), activeGroup);
+          // Reload search results (if there is an active query).
+          // This will potentially remove this added subgroup from search results.
+          if (this.currentSearchQuery != null) {
+            this.search({query: this.currentSearchQuery});
+          }
         } else {
           this.notificationsService.error(this.translateService.get(this.messagePrefix + '.notification.failure.subgroupToAddIsActiveGroup'));
         }
@@ -207,28 +176,38 @@ export class SubgroupsListComponent implements OnInit, OnDestroy {
   }
 
   /**
-   * Search in the groups (searches by group name and by uuid exact match)
+   * Search all non-member groups (searches by group name and by uuid exact match).  Used to search for
+   * groups that could be added to current group as a subgroup.
    * @param data  Contains query param
    */
   search(data: any) {
-    const query: string = data.query;
-    if (query != null && this.currentSearchQuery !== query) {
-      this.router.navigateByUrl(this.groupDataService.getGroupEditPageRouterLink(this.groupBeingEdited));
-      this.currentSearchQuery = query;
-      this.configSearch.currentPage = 1;
-    }
-    this.searchDone = true;
-
     this.unsubFrom(SubKey.SearchResults);
-    this.subs.set(SubKey.SearchResults, this.paginationService.getCurrentPagination(this.configSearch.id, this.configSearch).pipe(
-      switchMap((config) => this.groupDataService.searchGroups(this.currentSearchQuery, {
-        currentPage: config.currentPage,
-        elementsPerPage: config.pageSize
-      }, true, true, followLink('object')
-      ))
-    ).subscribe((rd: RemoteData<PaginatedList<Group>>) => {
-      this.searchResults$.next(rd);
-    }));
+    this.subs.set(SubKey.SearchResults,
+      this.paginationService.getCurrentPagination(this.configSearch.id, this.configSearch).pipe(
+        switchMap((paginationOptions) => {
+          const query: string = data.query;
+          if (query != null && this.currentSearchQuery !== query && this.groupBeingEdited) {
+            this.currentSearchQuery = query;
+            this.paginationService.resetPage(this.configSearch.id);
+          }
+          this.searchDone = true;
+
+          return this.groupDataService.searchNonMemberGroups(this.currentSearchQuery, this.groupBeingEdited.id, {
+            currentPage: paginationOptions.currentPage,
+            elementsPerPage: paginationOptions.pageSize
+          }, false, true, followLink('object'));
+        }),
+        getAllCompletedRemoteData(),
+        map((rd: RemoteData<any>) => {
+          if (rd.hasFailed) {
+            this.notificationsService.error(this.translateService.get(this.messagePrefix + '.notification.failure', { cause: rd.errorMessage }));
+          } else {
+            return rd;
+          }
+        }))
+        .subscribe((rd: RemoteData<PaginatedList<Group>>) => {
+          this.searchResults$.next(rd);
+        }));
   }
 
   /**

src/app/access-control/group-registry/groups-registry.component.html

@@ -5,7 +5,7 @@
         <h2 id="header" class="pb-2">{{messagePrefix + 'head' | translate}}</h2>
         <div>
           <button class="mr-auto btn btn-success"
-                  [routerLink]="['newGroup']">
+                  [routerLink]="'create'">
             <i class="fas fa-plus"></i>
             <span class="d-none d-sm-inline ml-1">{{messagePrefix + 'button.add' | translate}}</span>
           </button>

src/app/access-control/group-registry/groups-registry.component.ts

@@ -216,18 +216,28 @@ export class GroupsRegistryComponent implements OnInit, OnDestroy {
 
   /**
    * Get the members (epersons embedded value of a group)
+   * NOTE: At this time we only grab the *first* member in order to receive the `totalElements` value
+   * needed for our HTML template.
    * @param group
    */
   getMembers(group: Group): Observable<RemoteData<PaginatedList<EPerson>>> {
-    return this.ePersonDataService.findListByHref(group._links.epersons.href).pipe(getFirstSucceededRemoteData());
+    return this.ePersonDataService.findListByHref(group._links.epersons.href, {
+        currentPage: 1,
+        elementsPerPage: 1,
+      }).pipe(getFirstSucceededRemoteData());
   }
 
   /**
    * Get the subgroups (groups embedded value of a group)
+   * NOTE: At this time we only grab the *first* subgroup in order to receive the `totalElements` value
+   * needed for our HTML template.
    * @param group
    */
   getSubgroups(group: Group): Observable<RemoteData<PaginatedList<Group>>> {
-    return this.groupService.findListByHref(group._links.subgroups.href).pipe(getFirstSucceededRemoteData());
+    return this.groupService.findListByHref(group._links.subgroups.href, {
+        currentPage: 1,
+        elementsPerPage: 1,
+      }).pipe(getFirstSucceededRemoteData());
   }
 
   /**

src/app/admin/admin-registries/metadata-registry/metadata-schema-form/metadata-schema-form.component.ts

@@ -8,9 +8,9 @@ import {
 import { UntypedFormGroup } from '@angular/forms';
 import { RegistryService } from '../../../../core/registry/registry.service';
 import { FormBuilderService } from '../../../../shared/form/builder/form-builder.service';
-import { take } from 'rxjs/operators';
+import { switchMap, take, tap } from 'rxjs/operators';
 import { TranslateService } from '@ngx-translate/core';
-import { combineLatest } from 'rxjs';
+import { Observable, combineLatest } from 'rxjs';
 import { MetadataSchema } from '../../../../core/metadata/metadata-schema.model';
 
 @Component({
@@ -147,30 +147,48 @@ export class MetadataSchemaFormComponent implements OnInit, OnDestroy {
    * Emit the updated/created schema using the EventEmitter submitForm
    */
   onSubmit(): void {
-    this.registryService.clearMetadataSchemaRequests().subscribe();
-    this.registryService.getActiveMetadataSchema().pipe(take(1)).subscribe(
-      (schema: MetadataSchema) => {
-        const values = {
-          prefix: this.name.value,
-          namespace: this.namespace.value
-        };
-        if (schema == null) {
-          this.registryService.createOrUpdateMetadataSchema(Object.assign(new MetadataSchema(), values)).subscribe((newSchema) => {
-            this.submitForm.emit(newSchema);
+        this.registryService
+          .getActiveMetadataSchema()
+          .pipe(
+            take(1),
+            switchMap((schema: MetadataSchema) => {
+              const metadataValues = {
+                prefix: this.name.value,
+                namespace: this.namespace.value,
+              };
+
+              let createOrUpdate$: Observable<MetadataSchema>;
+
+              if (schema == null) {
+                createOrUpdate$ =
+                  this.registryService.createOrUpdateMetadataSchema(
+                    Object.assign(new MetadataSchema(), metadataValues)
+                  );
+              } else {
+                const updatedSchema = Object.assign(
+                  new MetadataSchema(),
+                  schema,
+                  {
+                    namespace: metadataValues.namespace,
+                  }
+                );
+                createOrUpdate$ =
+                  this.registryService.createOrUpdateMetadataSchema(
+                    updatedSchema
+                  );
+              }
+
+              return createOrUpdate$;
+            }),
+            tap(() => {
+              this.registryService.clearMetadataSchemaRequests().subscribe();
+            })
+          )
+          .subscribe((updatedOrCreatedSchema: MetadataSchema) => {
+            this.submitForm.emit(updatedOrCreatedSchema);
+            this.clearFields();
+            this.registryService.cancelEditMetadataSchema();
           });
-        } else {
-          this.registryService.createOrUpdateMetadataSchema(Object.assign(new MetadataSchema(), schema, {
-            id: schema.id,
-            prefix: schema.prefix,
-            namespace: values.namespace,
-          })).subscribe((updatedSchema: MetadataSchema) => {
-            this.submitForm.emit(updatedSchema);
-          });
-        }
-        this.clearFields();
-        this.registryService.cancelEditMetadataSchema();
-      }
-    );
   }
 
   /**

src/app/admin/admin-registries/metadata-schema/metadata-field-form/metadata-field-form.component.ts

@@ -3,7 +3,8 @@ import {
   DynamicFormControlModel,
   DynamicFormGroupModel,
   DynamicFormLayout,
-  DynamicInputModel
+  DynamicInputModel,
+  DynamicTextAreaModel
 } from '@ng-dynamic-forms/core';
 import { UntypedFormGroup } from '@angular/forms';
 import { RegistryService } from '../../../../core/registry/registry.service';
@@ -51,7 +52,7 @@ export class MetadataFieldFormComponent implements OnInit, OnDestroy {
   /**
    * A dynamic input model for the scopeNote field
    */
-  scopeNote: DynamicInputModel;
+  scopeNote: DynamicTextAreaModel;
 
   /**
    * A list of all dynamic input models
@@ -132,11 +133,12 @@ export class MetadataFieldFormComponent implements OnInit, OnDestroy {
           maxLength: 'error.validation.metadata.qualifier.max-length',
         },
       });
-      this.scopeNote = new DynamicInputModel({
+      this.scopeNote = new DynamicTextAreaModel({
         id: 'scopeNote',
         label: scopenote,
         name: 'scopeNote',
         required: false,
+        rows: 5,
       });
       this.formModel = [
         new DynamicFormGroupModel(

src/app/admin/admin-registries/metadata-schema/metadata-schema.component.html

@@ -41,7 +41,7 @@
                   </label>
                 </td>
                 <td class="selectable-row" (click)="editField(field)">{{field.id}}</td>
-                <td class="selectable-row" (click)="editField(field)">{{schema?.prefix}}.{{field.element}}<label *ngIf="field.qualifier" class="mb-0">.</label>{{field.qualifier}}</td>
+                <td class="selectable-row" (click)="editField(field)">{{schema?.prefix}}.{{field.element}}{{field.qualifier ? '.' + field.qualifier : ''}}</td>
                 <td class="selectable-row" (click)="editField(field)">{{field.scopeNote}}</td>
               </tr>
               </tbody>

src/app/admin/admin-sidebar/admin-sidebar-section/admin-sidebar-section.component.ts

@@ -12,8 +12,7 @@ import { Router } from '@angular/router';
  * Represents a non-expandable section in the admin sidebar
  */
 @Component({
-  /* eslint-disable @angular-eslint/component-selector */
-  selector: 'li[ds-admin-sidebar-section]',
+  selector: 'ds-admin-sidebar-section',
   templateUrl: './admin-sidebar-section.component.html',
   styleUrls: ['./admin-sidebar-section.component.scss'],
 

src/app/admin/admin-sidebar/admin-sidebar.component.html

@@ -26,10 +26,10 @@
               </div>
             </li>
 
-            <ng-container *ngFor="let section of (sections | async)">
+            <li *ngFor="let section of (sections | async)">
                 <ng-container
                         *ngComponentOutlet="(sectionMap$ | async).get(section.id).component; injector: (sectionMap$ | async).get(section.id).injector;"></ng-container>
-            </ng-container>
+            </li>
         </ul>
     </div>
     <div class="navbar-nav">

src/app/admin/admin-sidebar/expandable-admin-sidebar-section/expandable-admin-sidebar-section.component.ts

@@ -15,8 +15,7 @@ import { Router } from '@angular/router';
  * Represents a expandable section in the sidebar
  */
 @Component({
-  /* eslint-disable @angular-eslint/component-selector */
-  selector: 'li[ds-expandable-admin-sidebar-section]',
+  selector: 'ds-expandable-admin-sidebar-section',
   templateUrl: './expandable-admin-sidebar-section.component.html',
   styleUrls: ['./expandable-admin-sidebar-section.component.scss'],
   animations: [rotate, slide, bgColor]

src/app/breadcrumbs/breadcrumbs.component.html

@@ -1,6 +1,6 @@
 <ng-container *ngVar="(breadcrumbs$ | async) as breadcrumbs">
     <nav *ngIf="(showBreadcrumbs$ | async)" aria-label="breadcrumb" class="nav-breadcrumb">
-        <ol class="container breadcrumb">
+        <ol class="container breadcrumb my-0">
             <ng-container
                     *ngTemplateOutlet="breadcrumbs?.length > 0 ? breadcrumb : activeBreadcrumb; context: {text: 'home.breadcrumbs', url: '/'}"></ng-container>
             <ng-container *ngFor="let bc of breadcrumbs; let last = last;">

src/app/breadcrumbs/breadcrumbs.component.scss

@@ -4,9 +4,8 @@
 
 .breadcrumb {
   border-radius: 0;
-  margin-top: calc(-1 * var(--ds-content-spacing));
-  padding-bottom: var(--ds-content-spacing / 3);
-  padding-top: var(--ds-content-spacing / 3);
+  padding-bottom: calc(var(--ds-content-spacing) / 2);
+  padding-top: calc(var(--ds-content-spacing) / 2);
   background-color: var(--ds-breadcrumb-bg);
 }
 

src/app/browse-by/browse-by-date-page/browse-by-date-page.component.ts

@@ -89,11 +89,11 @@ export class BrowseByDatePageComponent extends BrowseByMetadataPageComponent {
     const lastItemRD = this.browseService.getFirstItemFor(definition, scope, SortDirection.DESC);
     this.subs.push(
       observableCombineLatest([firstItemRD, lastItemRD]).subscribe(([firstItem, lastItem]) => {
-        let lowerLimit = this.getLimit(firstItem, metadataKeys, this.appConfig.browseBy.defaultLowerLimit);
-        let upperLimit = this.getLimit(lastItem, metadataKeys, new Date().getUTCFullYear());
-        const options = [];
-        const oneYearBreak = Math.floor((upperLimit - this.appConfig.browseBy.oneYearLimit) / 5) * 5;
-        const fiveYearBreak = Math.floor((upperLimit - this.appConfig.browseBy.fiveYearLimit) / 10) * 10;
+        let lowerLimit: number = this.getLimit(firstItem, metadataKeys, this.appConfig.browseBy.defaultLowerLimit);
+        let upperLimit: number = this.getLimit(lastItem, metadataKeys, new Date().getUTCFullYear());
+        const options: number[] = [];
+        const oneYearBreak: number = Math.floor((upperLimit - this.appConfig.browseBy.oneYearLimit) / 5) * 5;
+        const fiveYearBreak: number = Math.floor((upperLimit - this.appConfig.browseBy.fiveYearLimit) / 10) * 10;
         if (lowerLimit <= fiveYearBreak) {
           lowerLimit -= 10;
         } else if (lowerLimit <= oneYearBreak) {
@@ -101,7 +101,7 @@ export class BrowseByDatePageComponent extends BrowseByMetadataPageComponent {
         } else {
           lowerLimit -= 1;
         }
-        let i = upperLimit;
+        let i: number = upperLimit;
         while (i > lowerLimit) {
           options.push(i);
           if (i <= fiveYearBreak) {

src/app/browse-by/browse-by-metadata-page/browse-by-metadata-page.component.html

@@ -32,7 +32,7 @@
 
     <section class="comcol-page-browse-section">
     <div class="browse-by-metadata w-100">
-    <ds-browse-by *ngIf="startsWithOptions" class="col-xs-12 w-100"
+    <ds-themed-browse-by *ngIf="startsWithOptions" class="col-xs-12 w-100"
       title="{{'browse.title' | translate:
       {
         collection: dsoNameService.getName((parent$ | async)?.payload),
@@ -48,7 +48,7 @@
       [startsWithOptions]="startsWithOptions"
       (prev)="goPrev()"
       (next)="goNext()">
-    </ds-browse-by>
+    </ds-themed-browse-by>
     <ds-themed-loading *ngIf="!startsWithOptions" message="{{'loading.browse-by-page' | translate}}"></ds-themed-loading>
   </div>
   </section>

src/app/browse-by/browse-by-metadata-page/browse-by-metadata-page.component.ts

@@ -161,7 +161,11 @@ export class BrowseByMetadataPageComponent implements OnInit, OnDestroy {
             this.value = '';
           }
 
-          if (typeof params.startsWith === 'string'){
+          if (params.startsWith === undefined || params.startsWith === '') {
+            this.startsWith = undefined;
+          }
+
+        if (typeof params.startsWith === 'string'){
             this.startsWith = params.startsWith.trim();
           }
 

src/app/browse-by/browse-by.module.ts

@@ -14,6 +14,7 @@ import { ThemedBrowseByTaxonomyPageComponent } from './browse-by-taxonomy-page/t
 import { SharedBrowseByModule } from '../shared/browse-by/shared-browse-by.module';
 import { DsoPageModule } from '../shared/dso-page/dso-page.module';
 import { FormModule } from '../shared/form/form.module';
+import { SharedModule } from '../shared/shared.module';
 
 const ENTRY_COMPONENTS = [
   // put only entry components that use custom decorator
@@ -35,6 +36,7 @@ const ENTRY_COMPONENTS = [
     ComcolModule,
     DsoPageModule,
     FormModule,
+    SharedModule,
   ],
   declarations: [
     BrowseBySwitcherComponent,

src/app/collection-page/collection-form/collection-form.component.ts

@@ -98,9 +98,8 @@ export class CollectionFormComponent extends ComColFormComponent<Collection> imp
     // retrieve all entity types to populate the dropdowns selection
     entities$.subscribe((entityTypes: ItemType[]) => {
 
-        entityTypes
-          .filter((type: ItemType) => type.label !== NONE_ENTITY_TYPE)
-          .forEach((type: ItemType, index: number) => {
+      entityTypes = entityTypes.filter((type: ItemType) => type.label !== NONE_ENTITY_TYPE);
+          entityTypes.forEach((type: ItemType, index: number) => {
           this.entityTypeSelection.add({
             disabled: false,
             label: type.label,
@@ -112,7 +111,7 @@ export class CollectionFormComponent extends ComColFormComponent<Collection> imp
           }
         });
 
-        this.formModel = [...collectionFormModels, this.entityTypeSelection];
+      this.formModel = entityTypes.length === 0 ? collectionFormModels : [...collectionFormModels, this.entityTypeSelection];
 
         super.ngOnInit();
         this.chd.detectChanges();

src/app/collection-page/collection-page.component.html

@@ -34,9 +34,6 @@
                   </ds-comcol-page-content>
                 </header>
                 <ds-dso-edit-menu></ds-dso-edit-menu>
-                <div class="pl-2 space-children-mr">
-                  <ds-dso-page-subscription-button [dso]="collection"></ds-dso-page-subscription-button>
-                </div>
               </div>
               <section class="comcol-page-browse-section">
               <!-- Browse-By Links -->

src/app/collection-page/edit-item-template-page/edit-item-template-page.component.ts

@@ -8,7 +8,7 @@ import { ItemTemplateDataService } from '../../core/data/item-template-data.serv
 import { getCollectionEditRoute } from '../collection-page-routing-paths';
 import { Item } from '../../core/shared/item.model';
 import { getFirstSucceededRemoteDataPayload } from '../../core/shared/operators';
-import { AlertType } from '../../shared/alert/aletr-type';
+import { AlertType } from '../../shared/alert/alert-type';
 import { DSONameService } from '../../core/breadcrumbs/dso-name.service';
 
 @Component({

src/app/community-list-page/community-list-page.component.html

@@ -1,4 +1,4 @@
 <div class="container">
-  <h2>{{ 'communityList.title' | translate }}</h2>
+  <h1>{{ 'communityList.title' | translate }}</h1>
   <ds-themed-community-list></ds-themed-community-list>
 </div>

src/app/community-list-page/community-list-service.ts

@@ -24,8 +24,9 @@ import { FlatNode } from './flat-node.model';
 import { ShowMoreFlatNode } from './show-more-flat-node.model';
 import { FindListOptions } from '../core/data/find-list-options.model';
 import { AppConfig, APP_CONFIG } from 'src/config/app-config.interface';
+import { v4 as uuidv4 } from 'uuid';
 
-// Helper method to combine an flatten an array of observables of flatNode arrays
+// Helper method to combine and flatten an array of observables of flatNode arrays
 export const combineAndFlatten = (obsList: Observable<FlatNode[]>[]): Observable<FlatNode[]> =>
   observableCombineLatest([...obsList]).pipe(
     map((matrix: any[][]) => [].concat(...matrix)),
@@ -186,7 +187,7 @@ export class CommunityListService {
           return this.transformCommunity(community, level, parent, expandedNodes);
         });
       if (currentPage < listOfPaginatedCommunities.totalPages && currentPage === listOfPaginatedCommunities.currentPage) {
-        obsList = [...obsList, observableOf([showMoreFlatNode('community', level, parent)])];
+        obsList = [...obsList, observableOf([showMoreFlatNode(`community-${uuidv4()}`, level, parent)])];
       }
 
       return combineAndFlatten(obsList);
@@ -199,7 +200,7 @@ export class CommunityListService {
    * Transforms a community in a list of FlatNodes containing firstly a flatnode of the community itself,
    *      followed by flatNodes of its possible subcommunities and collection
    * It gets called recursively for each subcommunity to add its subcommunities and collections to the list
-   * Number of subcommunities and collections added, is dependant on the current page the parent is at for respectively subcommunities and collections.
+   * Number of subcommunities and collections added, is dependent on the current page the parent is at for respectively subcommunities and collections.
    * @param community         Community being transformed
    * @param level             Depth of the community in the list, subcommunities and collections go one level deeper
    * @param parent            Flatnode of the parent community
@@ -257,7 +258,7 @@ export class CommunityListService {
                 let nodes = rd.payload.page
                   .map((collection: Collection) => toFlatNode(collection, observableOf(false), level + 1, false, communityFlatNode));
                 if (currentCollectionPage < rd.payload.totalPages && currentCollectionPage === rd.payload.currentPage) {
-                  nodes = [...nodes, showMoreFlatNode('collection', level + 1, communityFlatNode)];
+                  nodes = [...nodes, showMoreFlatNode(`collection-${uuidv4()}`, level + 1, communityFlatNode)];
                 }
                 return nodes;
               } else {
@@ -275,7 +276,7 @@ export class CommunityListService {
 
   /**
    * Checks if a community has subcommunities or collections by querying the respective services with a pageSize = 0
-   *      Returns an observable that combines the result.payload.totalElements fo the observables that the
+   *      Returns an observable that combines the result.payload.totalElements of the observables that the
    *          respective services return when queried
    * @param community     Community being checked whether it is expandable (if it has subcommunities or collections)
    */

src/app/community-list-page/community-list/community-list.component.html

@@ -1,5 +1,5 @@
 <ds-themed-loading *ngIf="(dataSource.loading$ | async) && !loadingNode" class="ds-themed-loading"></ds-themed-loading>
-<cdk-tree [dataSource]="dataSource" [treeControl]="treeControl">
+<cdk-tree [dataSource]="dataSource" [treeControl]="treeControl" [trackBy]="trackBy">
   <!-- This is the tree node template for show more node -->
   <cdk-tree-node *cdkTreeNodeDef="let node; when: isShowMore" cdkTreeNodePadding
                  class="example-tree-node show-more-node">
@@ -8,7 +8,7 @@
         <span class="fa fa-chevron-right invisible" aria-hidden="true"></span>
       </button>
       <div class="align-middle pt-2">
-        <button *ngIf="node!==loadingNode" (click)="getNextPage(node)"
+        <button *ngIf="!(dataSource.loading$ | async)" (click)="getNextPage(node)"
            class="btn btn-outline-primary btn-sm" role="button">
            <i class="fas fa-angle-down"></i> {{ 'communityList.showMore' | translate }}
         </button>
@@ -34,13 +34,13 @@
               aria-hidden="true"></span>
       </button>
       <div class="d-flex flex-row">
-        <h5 class="align-middle pt-2">
+        <span class="align-middle pt-2 lead">
           <a [routerLink]="node.route" class="lead">
             {{ dsoNameService.getName(node.payload) }}
           </a>
           <span class="pr-2">&nbsp;</span>
           <span *ngIf="node.payload.archivedItemsCount >= 0" class="badge badge-pill badge-secondary align-top archived-items-lead">{{node.payload.archivedItemsCount}}</span>
-        </h5>
+        </span>
       </div>
     </div>
     <ds-truncatable [id]="node.id">

src/app/community-list-page/community-list/community-list.component.spec.ts

@@ -17,6 +17,7 @@ import { By } from '@angular/platform-browser';
 import { isEmpty, isNotEmpty } from '../../shared/empty.util';
 import { FlatNode } from '../flat-node.model';
 import { RouterLinkWithHref } from '@angular/router';
+import { v4 as uuidv4 } from 'uuid';
 
 describe('CommunityListComponent', () => {
   let component: CommunityListComponent;
@@ -138,7 +139,7 @@ describe('CommunityListComponent', () => {
         }
         if (expandedNodes === null || isEmpty(expandedNodes)) {
           if (showMoreTopComNode) {
-            return observableOf([...mockTopFlatnodesUnexpanded.slice(0, endPageIndex), showMoreFlatNode('community', 0, null)]);
+            return observableOf([...mockTopFlatnodesUnexpanded.slice(0, endPageIndex), showMoreFlatNode(`community-${uuidv4()}`, 0, null)]);
           } else {
             return observableOf(mockTopFlatnodesUnexpanded.slice(0, endPageIndex));
           }
@@ -165,21 +166,21 @@ describe('CommunityListComponent', () => {
                   const endSubComIndex = this.pageSize * expandedParent.currentCommunityPage;
                   flatnodes = [...flatnodes, ...subComFlatnodes.slice(0, endSubComIndex)];
                   if (subComFlatnodes.length > endSubComIndex) {
-                    flatnodes = [...flatnodes, showMoreFlatNode('community', topNode.level + 1, expandedParent)];
+                    flatnodes = [...flatnodes, showMoreFlatNode(`community-${uuidv4()}`, topNode.level + 1, expandedParent)];
                   }
                 }
                 if (isNotEmpty(collFlatnodes)) {
                   const endColIndex = this.pageSize * expandedParent.currentCollectionPage;
                   flatnodes = [...flatnodes, ...collFlatnodes.slice(0, endColIndex)];
                   if (collFlatnodes.length > endColIndex) {
-                    flatnodes = [...flatnodes, showMoreFlatNode('collection', topNode.level + 1, expandedParent)];
+                    flatnodes = [...flatnodes, showMoreFlatNode(`collection-${uuidv4()}`, topNode.level + 1, expandedParent)];
                   }
                 }
               }
             }
           });
           if (showMoreTopComNode) {
-            flatnodes = [...flatnodes, showMoreFlatNode('community', 0, null)];
+            flatnodes = [...flatnodes, showMoreFlatNode(`community-${uuidv4()}`, 0, null)];
           }
           return observableOf(flatnodes);
         }

src/app/community-list-page/community-list/community-list.component.ts

@@ -28,10 +28,9 @@ export class CommunityListComponent implements OnInit, OnDestroy {
   treeControl = new FlatTreeControl<FlatNode>(
     (node: FlatNode) => node.level, (node: FlatNode) => true
   );
-
   dataSource: CommunityListDatasource;
-
   paginationConfig: FindListOptions;
+  trackBy = (index, node: FlatNode) => node.id;
 
   constructor(
     protected communityListService: CommunityListService,
@@ -58,24 +57,34 @@ export class CommunityListComponent implements OnInit, OnDestroy {
     this.communityListService.saveCommunityListStateToStore(this.expandedNodes, this.loadingNode);
   }
 
-  // whether or not this node has children (subcommunities or collections)
+  /**
+   * Whether this node has children (subcommunities or collections)
+   * @param _
+   * @param node
+   */
   hasChild(_: number, node: FlatNode) {
     return node.isExpandable$;
   }
 
-  // whether or not it is a show more node (contains no data, but is indication that there are more topcoms, subcoms or collections
+  /**
+   * Whether this is a show more node that contains no data, but indicates that there is
+   * one or more community or collection.
+   * @param _
+   * @param node
+   */
   isShowMore(_: number, node: FlatNode) {
     return node.isShowMoreNode;
   }
 
   /**
-   * Toggles the expanded variable of a node, adds it to the expanded nodes list and reloads the tree so this node is expanded
+   * Toggles the expanded variable of a node, adds it to the expanded nodes list and reloads the tree
+   * so this node is expanded
    * @param node  Node we want to expand
    */
   toggleExpanded(node: FlatNode) {
     this.loadingNode = node;
     if (node.isExpanded) {
-      this.expandedNodes = this.expandedNodes.filter((node2) => node2.name !== node.name);
+      this.expandedNodes = this.expandedNodes.filter((node2) => node2.id !== node.id);
       node.isExpanded = false;
     } else {
       this.expandedNodes.push(node);
@@ -92,26 +101,28 @@ export class CommunityListComponent implements OnInit, OnDestroy {
 
   /**
    * Makes sure the next page of a node is added to the tree (top community, sub community of collection)
-   *      > Finds its parent (if not top community) and increases its corresponding collection/subcommunity currentPage
-   *      > Reloads tree with new page added to corresponding top community lis, sub community list or collection list
-   * @param node  The show more node indicating whether it's an increase in top communities, sub communities or collections
+   *      > Finds its parent (if not top community) and increases its corresponding collection/subcommunity
+   *      currentPage
+   *      > Reloads tree with new page added to corresponding top community lis, sub community list or
+   *      collection list
+   * @param node  The show more node indicating whether it's an increase in top communities, sub communities
+   *              or collections
    */
   getNextPage(node: FlatNode): void {
     this.loadingNode = node;
     if (node.parent != null) {
-      if (node.id === 'collection') {
+      if (node.id.startsWith('collection')) {
         const parentNodeInExpandedNodes = this.expandedNodes.find((node2: FlatNode) => node.parent.id === node2.id);
         parentNodeInExpandedNodes.currentCollectionPage++;
       }
-      if (node.id === 'community') {
+      if (node.id.startsWith('community')) {
         const parentNodeInExpandedNodes = this.expandedNodes.find((node2: FlatNode) => node.parent.id === node2.id);
         parentNodeInExpandedNodes.currentCommunityPage++;
       }
-      this.dataSource.loadCommunities(this.paginationConfig, this.expandedNodes);
     } else {
       this.paginationConfig.currentPage++;
-      this.dataSource.loadCommunities(this.paginationConfig, this.expandedNodes);
     }
+    this.dataSource.loadCommunities(this.paginationConfig, this.expandedNodes);
   }
 
 }

src/app/community-list-page/show-more-flat-node.model.ts

@@ -1,6 +1,6 @@
 /**
  * The show more links in the community tree are also represented by a flatNode so we know where in
- *  the tree it should be rendered an who its parent is (needed for the action resulting in clicking this link)
+ *  the tree it should be rendered and who its parent is (needed for the action resulting in clicking this link)
  */
 export class ShowMoreFlatNode {
 }

src/app/community-page/community-page.component.html

@@ -21,9 +21,6 @@
           </ds-comcol-page-content>
         </header>
         <ds-dso-edit-menu></ds-dso-edit-menu>
-        <div class="pl-2 space-children-mr">
-          <ds-dso-page-subscription-button [dso]="communityPayload"></ds-dso-page-subscription-button>
-        </div>
       </div>
       <section class="comcol-page-browse-section">
 

src/app/community-page/sub-collection-list/community-page-sub-collection-list.component.ts

@@ -1,7 +1,7 @@
 import { Component, Input, OnDestroy, OnInit } from '@angular/core';
 import { ActivatedRoute } from '@angular/router';
 
-import { BehaviorSubject, combineLatest as observableCombineLatest } from 'rxjs';
+import { BehaviorSubject, combineLatest as observableCombineLatest, Subscription } from 'rxjs';
 
 import { RemoteData } from '../../core/data/remote-data';
 import { Collection } from '../../core/shared/collection.model';
@@ -50,6 +50,8 @@ export class CommunityPageSubCollectionListComponent implements OnInit, OnDestro
    */
   subCollectionsRDObs: BehaviorSubject<RemoteData<PaginatedList<Collection>>> = new BehaviorSubject<RemoteData<PaginatedList<Collection>>>({} as any);
 
+  subscriptions: Subscription[] = [];
+
   constructor(
     protected cds: CollectionDataService,
     protected paginationService: PaginationService,
@@ -77,7 +79,7 @@ export class CommunityPageSubCollectionListComponent implements OnInit, OnDestro
      const pagination$ = this.paginationService.getCurrentPagination(this.config.id, this.config);
      const sort$ = this.paginationService.getCurrentSort(this.config.id, this.sortConfig);
 
-    observableCombineLatest([pagination$, sort$]).pipe(
+    this.subscriptions.push(observableCombineLatest([pagination$, sort$]).pipe(
       switchMap(([currentPagination, currentSort]) => {
         return this.cds.findByParent(this.community.id, {
           currentPage: currentPagination.currentPage,
@@ -87,11 +89,12 @@ export class CommunityPageSubCollectionListComponent implements OnInit, OnDestro
       })
     ).subscribe((results) => {
       this.subCollectionsRDObs.next(results);
-    });
+    }));
   }
 
   ngOnDestroy(): void {
-    this.paginationService.clearPagination(this.config.id);
+    this.paginationService.clearPagination(this.config?.id);
+    this.subscriptions.map((subscription: Subscription) => subscription.unsubscribe());
   }
 
 }

src/app/community-page/sub-community-list/community-page-sub-community-list.component.ts

@@ -1,7 +1,7 @@
 import { Component, Input, OnDestroy, OnInit } from '@angular/core';
 import { ActivatedRoute } from '@angular/router';
 
-import { BehaviorSubject, combineLatest as observableCombineLatest } from 'rxjs';
+import { BehaviorSubject, combineLatest as observableCombineLatest, Subscription } from 'rxjs';
 
 import { RemoteData } from '../../core/data/remote-data';
 import { Community } from '../../core/shared/community.model';
@@ -52,6 +52,8 @@ export class CommunityPageSubCommunityListComponent implements OnInit, OnDestroy
    */
   subCommunitiesRDObs: BehaviorSubject<RemoteData<PaginatedList<Community>>> = new BehaviorSubject<RemoteData<PaginatedList<Community>>>({} as any);
 
+  subscriptions: Subscription[] = [];
+
   constructor(
     protected cds: CommunityDataService,
     protected paginationService: PaginationService,
@@ -79,7 +81,7 @@ export class CommunityPageSubCommunityListComponent implements OnInit, OnDestroy
     const pagination$ = this.paginationService.getCurrentPagination(this.config.id, this.config);
     const sort$ = this.paginationService.getCurrentSort(this.config.id, this.sortConfig);
 
-    observableCombineLatest([pagination$, sort$]).pipe(
+    this.subscriptions.push(observableCombineLatest([pagination$, sort$]).pipe(
       switchMap(([currentPagination, currentSort]) => {
         return     this.cds.findByParent(this.community.id, {
           currentPage: currentPagination.currentPage,
@@ -89,11 +91,12 @@ export class CommunityPageSubCommunityListComponent implements OnInit, OnDestroy
       })
     ).subscribe((results) => {
       this.subCommunitiesRDObs.next(results);
-    });
+    }));
   }
 
   ngOnDestroy(): void {
-    this.paginationService.clearPagination(this.config.id);
+    this.paginationService.clearPagination(this.config?.id);
+    this.subscriptions.map((subscription: Subscription) => subscription.unsubscribe());
   }
 
 }

src/app/core/auth/auth.interceptor.ts

@@ -152,12 +152,12 @@ export class AuthInterceptor implements HttpInterceptor {
 
         let authMethodModel: AuthMethod;
         if (splittedRealm.length === 1) {
-          authMethodModel = new AuthMethod(methodName);
+          authMethodModel = new AuthMethod(methodName, Number(j));
           authMethodModels.push(authMethodModel);
         } else if (splittedRealm.length > 1) {
           let location = splittedRealm[1];
           location = this.parseLocation(location);
-          authMethodModel = new AuthMethod(methodName, location);
+          authMethodModel = new AuthMethod(methodName, Number(j), location);
           authMethodModels.push(authMethodModel);
         }
       }
@@ -165,7 +165,7 @@ export class AuthInterceptor implements HttpInterceptor {
       // make sure the email + password login component gets rendered first
       authMethodModels = this.sortAuthMethods(authMethodModels);
     } else {
-      authMethodModels.push(new AuthMethod(AuthMethodType.Password));
+      authMethodModels.push(new AuthMethod(AuthMethodType.Password, 0));
     }
 
     return authMethodModels;

src/app/core/auth/auth.reducer.spec.ts

@@ -598,9 +598,9 @@ describe('authReducer', () => {
       authMethods: [],
       idle: false
     };
-    const authMethods = [
-      new AuthMethod(AuthMethodType.Password),
-      new AuthMethod(AuthMethodType.Shibboleth, 'location')
+    const authMethods: AuthMethod[] = [
+      new AuthMethod(AuthMethodType.Password, 0),
+      new AuthMethod(AuthMethodType.Shibboleth, 1, 'location'),
     ];
     const action = new RetrieveAuthMethodsSuccessAction(authMethods);
     const newState = authReducer(initialState, action);
@@ -632,7 +632,7 @@ describe('authReducer', () => {
       loaded: false,
       blocking: false,
       loading: false,
-      authMethods: [new AuthMethod(AuthMethodType.Password)],
+      authMethods: [new AuthMethod(AuthMethodType.Password, 0)],
       idle: false
     };
     expect(newState).toEqual(state);

src/app/core/auth/auth.reducer.ts

@@ -236,7 +236,7 @@ export function authReducer(state: any = initialState, action: AuthActions): Aut
       return Object.assign({}, state, {
         loading: false,
         blocking: false,
-        authMethods: [new AuthMethod(AuthMethodType.Password)]
+        authMethods: [new AuthMethod(AuthMethodType.Password, 0)]
       });
 
     case AuthActionTypes.SET_REDIRECT_URL:

src/app/core/auth/models/auth.method.ts

@@ -2,11 +2,12 @@ import { AuthMethodType } from './auth.method-type';
 
 export class AuthMethod {
   authMethodType: AuthMethodType;
+  position: number;
   location?: string;
 
-  // isStandalonePage? = true;
+  constructor(authMethodName: string, position: number, location?: string) {
+    this.position = position;
 
-  constructor(authMethodName: string, location?: string) {
     switch (authMethodName) {
       case 'ip': {
         this.authMethodType = AuthMethodType.Ip;

src/app/core/core.effects.ts

@@ -7,6 +7,7 @@ import { ServerSyncBufferEffects } from './cache/server-sync-buffer.effects';
 import { ObjectUpdatesEffects } from './data/object-updates/object-updates.effects';
 import { RouteEffects } from './services/route.effects';
 import { RouterEffects } from './router/router.effects';
+import { MenuEffects } from '../shared/menu/menu.effects';
 
 export const coreEffects = [
   RequestEffects,
@@ -18,4 +19,5 @@ export const coreEffects = [
   ObjectUpdatesEffects,
   RouteEffects,
   RouterEffects,
+  MenuEffects,
 ];

src/app/core/data/configuration-data.service.ts

@@ -1,4 +1,3 @@
-/* eslint-disable max-classes-per-file */
 import { Injectable } from '@angular/core';
 import { Observable } from 'rxjs';
 import { RemoteDataBuildService } from '../cache/builders/remote-data-build.service';

src/app/core/data/dso-redirect.service.spec.ts

@@ -11,6 +11,8 @@ import { createSuccessfulRemoteDataObject } from '../../shared/remote-data.utils
 import { Item } from '../shared/item.model';
 import { EMBED_SEPARATOR } from './base/base-data.service';
 import { HardRedirectService } from '../services/hard-redirect.service';
+import { environment } from '../../../environments/environment.test';
+import { AppConfig } from '../../../config/app-config.interface';
 
 describe('DsoRedirectService', () => {
   let scheduler: TestScheduler;
@@ -56,6 +58,7 @@ describe('DsoRedirectService', () => {
     });
 
     service = new DsoRedirectService(
+      environment as AppConfig,
       requestService,
       rdbService,
       objectCache,
@@ -107,7 +110,7 @@ describe('DsoRedirectService', () => {
       redir.subscribe();
       scheduler.schedule(() => redir);
       scheduler.flush();
-      expect(redirectService.redirect).toHaveBeenCalledWith('/items/' + remoteData.payload.uuid, 301);
+      expect(redirectService.redirect).toHaveBeenCalledWith(`${environment.ui.nameSpace}/items/${remoteData.payload.uuid}`, 301);
     });
     it('should navigate to entities route with the corresponding entity type', () => {
       remoteData.payload.type = 'item';
@@ -124,7 +127,7 @@ describe('DsoRedirectService', () => {
       redir.subscribe();
       scheduler.schedule(() => redir);
       scheduler.flush();
-      expect(redirectService.redirect).toHaveBeenCalledWith('/entities/publication/' + remoteData.payload.uuid, 301);
+      expect(redirectService.redirect).toHaveBeenCalledWith(`${environment.ui.nameSpace}/entities/publication/${remoteData.payload.uuid}`, 301);
     });
 
     it('should navigate to collections route', () => {
@@ -133,7 +136,7 @@ describe('DsoRedirectService', () => {
       redir.subscribe();
       scheduler.schedule(() => redir);
       scheduler.flush();
-      expect(redirectService.redirect).toHaveBeenCalledWith('/collections/' + remoteData.payload.uuid, 301);
+      expect(redirectService.redirect).toHaveBeenCalledWith(`${environment.ui.nameSpace}/collections/${remoteData.payload.uuid}`, 301);
     });
 
     it('should navigate to communities route', () => {
@@ -142,7 +145,7 @@ describe('DsoRedirectService', () => {
       redir.subscribe();
       scheduler.schedule(() => redir);
       scheduler.flush();
-      expect(redirectService.redirect).toHaveBeenCalledWith('/communities/' + remoteData.payload.uuid, 301);
+      expect(redirectService.redirect).toHaveBeenCalledWith(`${environment.ui.nameSpace}/communities/${remoteData.payload.uuid}`, 301);
     });
   });
 

src/app/core/data/dso-redirect.service.ts

@@ -6,7 +6,7 @@
  * http://www.dspace.org/license/
  */
 /* eslint-disable max-classes-per-file */
-import { Injectable } from '@angular/core';
+import { Injectable, Inject } from '@angular/core';
 import { Observable } from 'rxjs';
 import { tap } from 'rxjs/operators';
 import { hasValue } from '../../shared/empty.util';
@@ -21,6 +21,7 @@ import { DSpaceObject } from '../shared/dspace-object.model';
 import { IdentifiableDataService } from './base/identifiable-data.service';
 import { getDSORoute } from '../../app-routing-paths';
 import { HardRedirectService } from '../services/hard-redirect.service';
+import { APP_CONFIG, AppConfig } from '../../../config/app-config.interface';
 
 const ID_ENDPOINT = 'pid';
 const UUID_ENDPOINT = 'dso';
@@ -70,6 +71,7 @@ export class DsoRedirectService {
   private dataService: DsoByIdOrUUIDDataService;
 
   constructor(
+    @Inject(APP_CONFIG) protected appConfig: AppConfig,
     protected requestService: RequestService,
     protected rdbService: RemoteDataBuildService,
     protected objectCache: ObjectCacheService,
@@ -98,7 +100,7 @@ export class DsoRedirectService {
             let newRoute = getDSORoute(dso);
             if (hasValue(newRoute)) {
               // Use a "301 Moved Permanently" redirect for SEO purposes
-              this.hardRedirectService.redirect(newRoute, 301);
+              this.hardRedirectService.redirect(this.appConfig.ui.nameSpace.replace(/\/$/, '') + newRoute, 301);
             }
           }
         }

src/app/core/data/feature-authorization/authorization-data.service.ts

@@ -74,7 +74,7 @@ export class AuthorizationDataService extends BaseDataService<Authorization> imp
           return [];
         }
       }),
-      catchError(() => observableOf(false)),
+      catchError(() => observableOf([])),
       oneAuthorizationMatchesFeature(featureId)
     );
   }

src/app/core/data/feature-authorization/authorization-utils.ts

@@ -68,13 +68,13 @@ export const oneAuthorizationMatchesFeature = (featureID: FeatureID) =>
     source.pipe(
       switchMap((authorizations: Authorization[]) => {
         if (isNotEmpty(authorizations)) {
-          return observableCombineLatest(
+          return observableCombineLatest([
             ...authorizations
               .filter((authorization: Authorization) => hasValue(authorization.feature))
               .map((authorization: Authorization) => authorization.feature.pipe(
                 getFirstSucceededRemoteDataPayload()
               ))
-          );
+          ]);
         } else {
           return observableOf([]);
         }

src/app/core/data/request.service.spec.ts

@@ -1,6 +1,6 @@
 import { Store, StoreModule } from '@ngrx/store';
 import { cold, getTestScheduler } from 'jasmine-marbles';
-import { EMPTY, of as observableOf } from 'rxjs';
+import { EMPTY, Observable, of as observableOf } from 'rxjs';
 import { TestScheduler } from 'rxjs/testing';
 
 import { getMockObjectCacheService } from '../../shared/mocks/object-cache.service.mock';
@@ -638,4 +638,87 @@ describe('RequestService', () => {
       expect(done$).toBeObservable(cold('-----(t|)', { t: true }));
     }));
   });
+
+  describe('setStaleByHref', () => {
+    const uuid = 'c574a42c-4818-47ac-bbe1-6c3cd622c81f';
+    const href = 'https://rest.api/some/object';
+    const freshRE: any = {
+      request: { uuid, href },
+      state: RequestEntryState.Success
+    };
+    const staleRE: any = {
+      request: { uuid, href },
+      state: RequestEntryState.SuccessStale
+    };
+
+    it(`should call getByHref to retrieve the RequestEntry matching the href`, () => {
+      spyOn(service, 'getByHref').and.returnValue(observableOf(staleRE));
+      service.setStaleByHref(href);
+      expect(service.getByHref).toHaveBeenCalledWith(href);
+    });
+
+    it(`should dispatch a RequestStaleAction for the RequestEntry returned by getByHref`, (done: DoneFn) => {
+      spyOn(service, 'getByHref').and.returnValue(observableOf(staleRE));
+      spyOn(store, 'dispatch');
+      service.setStaleByHref(href).subscribe(() => {
+        const requestStaleAction = new RequestStaleAction(uuid);
+        requestStaleAction.lastUpdated = jasmine.any(Number) as any;
+        expect(store.dispatch).toHaveBeenCalledWith(requestStaleAction);
+        done();
+      });
+    });
+
+   it(`should emit true when the request in the store is stale`, () => {
+     spyOn(service, 'getByHref').and.returnValue(cold('a-b', {
+       a: freshRE,
+       b: staleRE
+     }));
+     const result$ = service.setStaleByHref(href);
+     expect(result$).toBeObservable(cold('--(c|)', { c: true }));
+   });
+  });
+
+  describe('setStaleByHrefSubstring', () => {
+    let dispatchSpy: jasmine.Spy;
+    let getByUUIDSpy: jasmine.Spy;
+
+    beforeEach(() => {
+      dispatchSpy = spyOn(store, 'dispatch');
+      getByUUIDSpy = spyOn(service, 'getByUUID').and.callThrough();
+    });
+
+    describe('with an empty/no matching requests in the state', () => {
+      it('should return true', () => {
+        const done$: Observable<boolean> = service.setStaleByHrefSubstring('https://rest.api/endpoint/selfLink');
+        expect(done$).toBeObservable(cold('(a|)', { a: true }));
+      });
+    });
+
+    describe('with a matching request in the state', () => {
+      beforeEach(() => {
+        const state = Object.assign({}, initialState, {
+          core: Object.assign({}, initialState.core, {
+            'index': {
+              'get-request/href-to-uuid': {
+                'https://rest.api/endpoint/selfLink': '5f2a0d2a-effa-4d54-bd54-5663b960f9eb'
+              }
+            }
+          })
+        });
+        mockStore.setState(state);
+      });
+
+      it('should return an Observable that emits true as soon as the request is stale', () => {
+        dispatchSpy.and.callFake(() => { /* empty */ });   // don't actually set as stale
+        getByUUIDSpy.and.returnValue(cold('a-b--c--d-', {  // but fake the state in the cache
+          a: { state: RequestEntryState.ResponsePending },
+          b: { state: RequestEntryState.Success },
+          c: { state: RequestEntryState.SuccessStale },
+          d: { state: RequestEntryState.Error },
+        }));
+        const done$: Observable<boolean> = service.setStaleByHrefSubstring('https://rest.api/endpoint/selfLink');
+        expect(done$).toBeObservable(cold('-----(a|)', { a: true }));
+      });
+    });
+  });
 });

src/app/core/data/request.service.ts

@@ -2,8 +2,8 @@ import { Injectable } from '@angular/core';
 import { HttpHeaders } from '@angular/common/http';
 
 import { createSelector, MemoizedSelector, select, Store } from '@ngrx/store';
-import { Observable } from 'rxjs';
-import { filter, map, take, tap } from 'rxjs/operators';
+import { Observable, from as observableFrom } from 'rxjs';
+import { filter, find, map, mergeMap, switchMap, take, tap, toArray } from 'rxjs/operators';
 import cloneDeep from 'lodash/cloneDeep';
 import { hasValue, isEmpty, isNotEmpty, hasNoValue } from '../../shared/empty.util';
 import { ObjectCacheEntry } from '../cache/object-cache.reducer';
@@ -16,7 +16,7 @@ import {
   RequestExecuteAction,
   RequestStaleAction
 } from './request.actions';
-import { GetRequest} from './request.models';
+import { GetRequest } from './request.models';
 import { CommitSSBAction } from '../cache/server-sync-buffer.actions';
 import { RestRequestMethod } from './rest-request-method';
 import { coreSelector } from '../core.selectors';
@@ -300,22 +300,42 @@ export class RequestService {
    * Set all requests that match (part of) the href to stale
    *
    * @param href    A substring of the request(s) href
-   * @return        Returns an observable emitting whether or not the cache is removed
+   * @return        Returns an observable emitting when those requests are all stale
    */
   setStaleByHrefSubstring(href: string): Observable<boolean> {
-    this.store.pipe(
+    const requestUUIDs$ = this.store.pipe(
       select(uuidsFromHrefSubstringSelector(requestIndexSelector, href)),
       take(1)
-    ).subscribe((uuids: string[]) => {
+    );
+    requestUUIDs$.subscribe((uuids: string[]) => {
       for (const uuid of uuids) {
         this.store.dispatch(new RequestStaleAction(uuid));
       }
     });
     this.requestsOnTheirWayToTheStore = this.requestsOnTheirWayToTheStore.filter((reqHref: string) => reqHref.indexOf(href) < 0);
 
-    return this.store.pipe(
-      select(uuidsFromHrefSubstringSelector(requestIndexSelector, href)),
-      map((uuids) => isEmpty(uuids))
+    // emit true after all requests are stale
+    return requestUUIDs$.pipe(
+      switchMap((uuids: string[]) => {
+        if (isEmpty(uuids)) {
+          // if there were no matching requests, emit true immediately
+          return [true];
+        } else {
+          // otherwise emit all request uuids in order
+          return observableFrom(uuids).pipe(
+            // retrieve the RequestEntry for each uuid
+            mergeMap((uuid: string) => this.getByUUID(uuid)),
+            // check whether it is undefined or stale
+            map((request: RequestEntry) => hasNoValue(request) || isStale(request.state)),
+            // if it is, complete
+            find((stale: boolean) => stale === true),
+            // after all observables above are completed, emit them as a single array
+            toArray(),
+            // when the array comes in, emit true
+            map(() => true)
+          );
+        }
+      })
     );
   }
 
@@ -331,7 +351,29 @@ export class RequestService {
       map((request: RequestEntry) => isStale(request.state)),
       filter((stale: boolean) => stale),
       take(1),
-      );
+    );
+  }
+
+  /**
+   * Mark a request as stale
+   * @param href  the href of the request
+   * @return      an Observable that will emit true once the Request becomes stale
+   */
+  setStaleByHref(href: string): Observable<boolean> {
+    const requestEntry$ = this.getByHref(href);
+
+    requestEntry$.pipe(
+      map((re: RequestEntry) => re.request.uuid),
+      take(1),
+    ).subscribe((uuid: string) => {
+      this.store.dispatch(new RequestStaleAction(uuid));
+    });
+
+    return requestEntry$.pipe(
+      map((request: RequestEntry) => isStale(request.state)),
+      filter((stale: boolean) => stale),
+      take(1)
+    );
   }
 
   /**
@@ -344,10 +386,10 @@ export class RequestService {
     // if it's not a GET request
     if (request.method !== RestRequestMethod.GET) {
       return true;
-    // if it is a GET request, check it isn't pending
+      // if it is a GET request, check it isn't pending
     } else if (this.isPending(request)) {
       return false;
-    // if it is pending, check if we're allowed to use a cached version
+      // if it is pending, check if we're allowed to use a cached version
     } else if (!useCachedVersionIfAvailable) {
       return true;
     } else {

src/app/core/data/root-data.service.spec.ts

@@ -1,16 +1,18 @@
 import { RootDataService } from './root-data.service';
 import { HALEndpointService } from '../shared/hal-endpoint.service';
-import { createSuccessfulRemoteDataObject$ } from '../../shared/remote-data.utils';
-import { Observable, of } from 'rxjs';
+import {
+  createSuccessfulRemoteDataObject$,
+  createFailedRemoteDataObject$
+} from '../../shared/remote-data.utils';
+import { Observable } from 'rxjs';
 import { RemoteData } from './remote-data';
 import { Root } from './root.model';
-import { RawRestResponse } from '../dspace-rest/raw-rest-response.model';
 import { cold } from 'jasmine-marbles';
 
 describe('RootDataService', () => {
   let service: RootDataService;
   let halService: HALEndpointService;
-  let restService;
+  let requestService;
   let rootEndpoint;
   let findByHrefSpy;
 
@@ -19,10 +21,10 @@ describe('RootDataService', () => {
     halService = jasmine.createSpyObj('halService', {
       getRootHref: rootEndpoint,
     });
-    restService = jasmine.createSpyObj('halService', {
-      get: jasmine.createSpy('get'),
-    });
-    service = new RootDataService(null, null, null, halService, restService);
+    requestService = jasmine.createSpyObj('requestService', [
+      'setStaleByHref',
+    ]);
+    service = new RootDataService(requestService, null, null, halService);
 
     findByHrefSpy = spyOn(service as any, 'findByHref');
     findByHrefSpy.and.returnValue(createSuccessfulRemoteDataObject$({}));
@@ -47,12 +49,8 @@ describe('RootDataService', () => {
     let result$: Observable<boolean>;
 
     it('should return observable of true when root endpoint is available', () => {
-      const mockResponse = {
-        statusCode: 200,
-        statusText: 'OK'
-      } as RawRestResponse;
+      spyOn(service, 'findRoot').and.returnValue(createSuccessfulRemoteDataObject$<Root>({} as any));
 
-      restService.get.and.returnValue(of(mockResponse));
       result$ = service.checkServerAvailability();
 
       expect(result$).toBeObservable(cold('(a|)', {
@@ -61,12 +59,8 @@ describe('RootDataService', () => {
     });
 
     it('should return observable of false when root endpoint is not available', () => {
-      const mockResponse = {
-        statusCode: 500,
-        statusText: 'Internal Server Error'
-      } as RawRestResponse;
+      spyOn(service, 'findRoot').and.returnValue(createFailedRemoteDataObject$<Root>('500'));
 
-      restService.get.and.returnValue(of(mockResponse));
       result$ = service.checkServerAvailability();
 
       expect(result$).toBeObservable(cold('(a|)', {
@@ -75,4 +69,12 @@ describe('RootDataService', () => {
     });
 
   });
+
+  describe(`invalidateRootCache`, () => {
+    it(`should set the cached root request to stale`, () => {
+      service.invalidateRootCache();
+      expect(halService.getRootHref).toHaveBeenCalled();
+      expect(requestService.setStaleByHref).toHaveBeenCalledWith(rootEndpoint);
+    });
+  });
 });

src/app/core/data/root-data.service.ts

@@ -7,12 +7,11 @@ import { HALEndpointService } from '../shared/hal-endpoint.service';
 import { Observable, of as observableOf } from 'rxjs';
 import { RemoteData } from './remote-data';
 import { FollowLinkConfig } from '../../shared/utils/follow-link-config.model';
-import { DspaceRestService } from '../dspace-rest/dspace-rest.service';
-import { RawRestResponse } from '../dspace-rest/raw-rest-response.model';
 import { catchError, map } from 'rxjs/operators';
 import { BaseDataService } from './base/base-data.service';
 import { ObjectCacheService } from '../cache/object-cache.service';
 import { dataService } from './base/data-service.decorator';
+import { getFirstCompletedRemoteData } from '../shared/operators';
 
 /**
  * A service to retrieve the {@link Root} object from the REST API.
@@ -25,7 +24,6 @@ export class RootDataService extends BaseDataService<Root> {
     protected rdbService: RemoteDataBuildService,
     protected objectCache: ObjectCacheService,
     protected halService: HALEndpointService,
-    protected restService: DspaceRestService,
   ) {
     super('', requestService, rdbService, objectCache, halService, 6 * 60 * 60 * 1000);
   }
@@ -34,12 +32,13 @@ export class RootDataService extends BaseDataService<Root> {
    * Check if root endpoint is available
    */
   checkServerAvailability(): Observable<boolean> {
-    return this.restService.get(this.halService.getRootHref()).pipe(
+    return this.findRoot().pipe(
       catchError((err ) => {
         console.error(err);
         return observableOf(false);
       }),
-      map((res: RawRestResponse) => res.statusCode === 200)
+      getFirstCompletedRemoteData(),
+      map((rootRd: RemoteData<Root>) => rootRd.statusCode === 200)
     );
   }
 
@@ -60,6 +59,6 @@ export class RootDataService extends BaseDataService<Root> {
    * Set to sale the root endpoint cache hit
    */
   invalidateRootCache() {
-    this.requestService.setStaleByHrefSubstring(this.halService.getRootHref());
+    this.requestService.setStaleByHref(this.halService.getRootHref());
   }
 }

src/app/core/eperson/eperson-data.service.spec.ts

@@ -11,6 +11,7 @@ import {
   EPeopleRegistryCancelEPersonAction,
   EPeopleRegistryEditEPersonAction
 } from '../../access-control/epeople-registry/epeople-registry.actions';
+import { GroupMock } from '../../shared/testing/group-mock';
 import { RequestParam } from '../cache/models/request-param.model';
 import { ChangeAnalyzer } from '../data/change-analyzer';
 import { PatchRequest, PostRequest } from '../data/request.models';
@@ -140,6 +141,30 @@ describe('EPersonDataService', () => {
     });
   });
 
+  describe('searchNonMembers', () => {
+    beforeEach(() => {
+      spyOn(service, 'searchBy');
+    });
+
+    it('search with empty query and a group ID', () => {
+      service.searchNonMembers('', GroupMock.id);
+      const options = Object.assign(new FindListOptions(), {
+        searchParams: [Object.assign(new RequestParam('query', '')),
+                       Object.assign(new RequestParam('group', GroupMock.id))]
+      });
+      expect(service.searchBy).toHaveBeenCalledWith('isNotMemberOf', options, true, true);
+    });
+
+    it('search with query and a group ID', () => {
+      service.searchNonMembers('test', GroupMock.id);
+      const options = Object.assign(new FindListOptions(), {
+        searchParams: [Object.assign(new RequestParam('query', 'test')),
+                       Object.assign(new RequestParam('group', GroupMock.id))]
+      });
+      expect(service.searchBy).toHaveBeenCalledWith('isNotMemberOf', options, true, true);
+    });
+  });
+
   describe('updateEPerson', () => {
     beforeEach(() => {
       spyOn(service, 'findByHref').and.returnValue(createSuccessfulRemoteDataObject$(EPersonMock));

src/app/core/eperson/eperson-data.service.ts

@@ -34,6 +34,7 @@ import { PatchData, PatchDataImpl } from '../data/base/patch-data';
 import { DeleteData, DeleteDataImpl } from '../data/base/delete-data';
 import { RestRequestMethod } from '../data/rest-request-method';
 import { dataService } from '../data/base/data-service.decorator';
+import { getEPersonEditRoute, getEPersonsRoute } from '../../access-control/access-control-routing-paths';
 
 const ePeopleRegistryStateSelector = (state: AppState) => state.epeopleRegistry;
 const editEPersonSelector = createSelector(ePeopleRegistryStateSelector, (ePeopleRegistryState: EPeopleRegistryState) => ePeopleRegistryState.editEPerson);
@@ -176,6 +177,34 @@ export class EPersonDataService extends IdentifiableDataService<EPerson> impleme
     return this.searchBy(searchMethod, findListOptions, useCachedVersionIfAvailable, reRequestOnStale, ...linksToFollow);
   }
 
+  /**
+   * Searches for all EPerons which are *not* a member of a given group, via a passed in query
+   * (searches all EPerson metadata and by exact UUID).
+   * Endpoint used: /eperson/epesons/search/isNotMemberOf?query=<:string>&group=<:uuid>
+   * @param query                       search query param
+   * @param group                       UUID of group to exclude results from. Members of this group will never be returned.
+   * @param options
+   * @param useCachedVersionIfAvailable If this is true, the request will only be sent if there's
+   *                                    no valid cached version. Defaults to true
+   * @param reRequestOnStale            Whether or not the request should automatically be re-
+   *                                    requested after the response becomes stale
+   * @param linksToFollow               List of {@link FollowLinkConfig} that indicate which
+   *                                    {@link HALLink}s should be automatically resolved
+   */
+  public searchNonMembers(query: string, group: string, options?: FindListOptions, useCachedVersionIfAvailable = true, reRequestOnStale = true, ...linksToFollow: FollowLinkConfig<EPerson>[]): Observable<RemoteData<PaginatedList<EPerson>>> {
+    const searchParams = [new RequestParam('query', query), new RequestParam('group', group)];
+    let findListOptions = new FindListOptions();
+    if (options) {
+      findListOptions = Object.assign(new FindListOptions(), options);
+    }
+    if (findListOptions.searchParams) {
+      findListOptions.searchParams = [...findListOptions.searchParams, ...searchParams];
+    } else {
+      findListOptions.searchParams = searchParams;
+    }
+    return this.searchBy('isNotMemberOf', findListOptions, useCachedVersionIfAvailable, reRequestOnStale, ...linksToFollow);
+  }
+
   /**
    * Add a new patch to the object cache
    * The patch is derived from the differences between the given object and its version in the object cache
@@ -281,15 +310,14 @@ export class EPersonDataService extends IdentifiableDataService<EPerson> impleme
         this.editEPerson(ePerson);
       }
     });
-    return '/access-control/epeople';
+    return getEPersonEditRoute(ePerson.id);
   }
 
   /**
    * Get EPeople admin page
-   * @param ePerson New EPerson to edit
    */
   public getEPeoplePageRouterLink(): string {
-    return '/access-control/epeople';
+    return getEPersonsRoute();
   }
 
   /**

src/app/core/eperson/group-data.service.spec.ts

@@ -43,11 +43,11 @@ describe('GroupDataService', () => {
   let rdbService;
   let objectCache;
   function init() {
-    restEndpointURL = 'https://dspace.4science.it/dspace-spring-rest/api/eperson';
+    restEndpointURL = 'https://rest.api/server/api/eperson';
     groupsEndpoint = `${restEndpointURL}/groups`;
     groups = [GroupMock, GroupMock2];
     groups$ = createSuccessfulRemoteDataObject$(createPaginatedList(groups));
-    rdbService = getMockRemoteDataBuildServiceHrefMap(undefined, { 'https://dspace.4science.it/dspace-spring-rest/api/eperson/groups': groups$ });
+    rdbService = getMockRemoteDataBuildServiceHrefMap(undefined, { 'https://rest.api/server/api/eperson/groups': groups$ });
     halService = new HALEndpointServiceStub(restEndpointURL);
     objectCache = getMockObjectCacheService();
     TestBed.configureTestingModule({
@@ -111,6 +111,30 @@ describe('GroupDataService', () => {
     });
   });
 
+  describe('searchNonMemberGroups', () => {
+    beforeEach(() => {
+      spyOn(service, 'searchBy');
+    });
+
+    it('search with empty query and a group ID', () => {
+      service.searchNonMemberGroups('', GroupMock.id);
+      const options = Object.assign(new FindListOptions(), {
+        searchParams: [Object.assign(new RequestParam('query', '')),
+                       Object.assign(new RequestParam('group', GroupMock.id))]
+      });
+      expect(service.searchBy).toHaveBeenCalledWith('isNotMemberOf', options, true, true);
+    });
+
+    it('search with query and a group ID', () => {
+      service.searchNonMemberGroups('test', GroupMock.id);
+      const options = Object.assign(new FindListOptions(), {
+        searchParams: [Object.assign(new RequestParam('query', 'test')),
+                       Object.assign(new RequestParam('group', GroupMock.id))]
+      });
+      expect(service.searchBy).toHaveBeenCalledWith('isNotMemberOf', options, true, true);
+    });
+  });
+
   describe('addSubGroupToGroup', () => {
     beforeEach(() => {
       objectCache.getByHref.and.returnValue(observableOf({

src/app/core/eperson/group-data.service.ts

@@ -3,7 +3,7 @@ import { Injectable } from '@angular/core';
 
 import { createSelector, select, Store } from '@ngrx/store';
 import { Observable, zip as observableZip } from 'rxjs';
-import { filter, map, take } from 'rxjs/operators';
+import { take } from 'rxjs/operators';
 import {
   GroupRegistryCancelGroupAction,
   GroupRegistryEditGroupAction
@@ -40,6 +40,7 @@ import { DeleteData, DeleteDataImpl } from '../data/base/delete-data';
 import { Operation } from 'fast-json-patch';
 import { RestRequestMethod } from '../data/rest-request-method';
 import { dataService } from '../data/base/data-service.decorator';
+import { getGroupEditRoute } from '../../access-control/access-control-routing-paths';
 
 const groupRegistryStateSelector = (state: AppState) => state.groupRegistry;
 const editGroupSelector = createSelector(groupRegistryStateSelector, (groupRegistryState: GroupRegistryState) => groupRegistryState.editGroup);
@@ -104,23 +105,31 @@ export class GroupDataService extends IdentifiableDataService<Group> implements
   }
 
   /**
-   * Check if the current user is member of to the indicated group
-   *
-   * @param groupName
-   *    the group name
-   * @return boolean
-   *    true if user is member of the indicated group, false otherwise
+   * Searches for all groups which are *not* a member of a given group, via a passed in query
+   * (searches in group name and by exact UUID).
+   * Endpoint used: /eperson/groups/search/isNotMemberOf?query=<:string>&group=<:uuid>
+   * @param query                       search query param
+   * @param group                       UUID of group to exclude results from. Members of this group will never be returned.
+   * @param options
+   * @param useCachedVersionIfAvailable If this is true, the request will only be sent if there's
+   *                                    no valid cached version. Defaults to true
+   * @param reRequestOnStale            Whether or not the request should automatically be re-
+   *                                    requested after the response becomes stale
+   * @param linksToFollow               List of {@link FollowLinkConfig} that indicate which
+   *                                    {@link HALLink}s should be automatically resolved
    */
-  isMemberOf(groupName: string): Observable<boolean> {
-    const searchHref = 'isMemberOf';
-    const options = new FindListOptions();
-    options.searchParams = [new RequestParam('groupName', groupName)];
-
-    return this.searchBy(searchHref, options).pipe(
-      filter((groups: RemoteData<PaginatedList<Group>>) => !groups.isResponsePending),
-      take(1),
-      map((groups: RemoteData<PaginatedList<Group>>) => groups.payload.totalElements > 0)
-    );
+  public searchNonMemberGroups(query: string, group: string, options?: FindListOptions, useCachedVersionIfAvailable = true, reRequestOnStale = true, ...linksToFollow: FollowLinkConfig<Group>[]): Observable<RemoteData<PaginatedList<Group>>> {
+    const searchParams = [new RequestParam('query', query), new RequestParam('group', group)];
+    let findListOptions = new FindListOptions();
+    if (options) {
+      findListOptions = Object.assign(new FindListOptions(), options);
+    }
+    if (findListOptions.searchParams) {
+      findListOptions.searchParams = [...findListOptions.searchParams, ...searchParams];
+    } else {
+      findListOptions.searchParams = searchParams;
+    }
+    return this.searchBy('isNotMemberOf', findListOptions, useCachedVersionIfAvailable, reRequestOnStale, ...linksToFollow);
   }
 
   /**
@@ -264,15 +273,15 @@ export class GroupDataService extends IdentifiableDataService<Group> implements
    * @param group Group we want edit page for
    */
   public getGroupEditPageRouterLink(group: Group): string {
-    return this.getGroupEditPageRouterLinkWithID(group.id);
+    return getGroupEditRoute(group.id);
   }
 
   /**
    * Get Edit page of group
    * @param groupID Group ID we want edit page for
    */
-  public getGroupEditPageRouterLinkWithID(groupId: string): string {
-    return '/access-control/groups/' + groupId;
+  public getGroupEditPageRouterLinkWithID(groupID: string): string {
+    return getGroupEditRoute(groupID);
   }
 
   /**

src/app/core/eperson/models/eperson-dto.model.ts

@@ -13,9 +13,4 @@ export class EpersonDtoModel {
      * Whether or not the linked EPerson is able to be deleted
      */
     public ableToDelete: boolean;
-    /**
-     * Whether or not this EPerson is member of group on page it is being used on
-     */
-    public memberOfGroup: boolean;
-
 }

src/app/core/server-check/server-check.guard.spec.ts

@@ -1,68 +1,86 @@
 import { ServerCheckGuard } from './server-check.guard';
-import { Router } from '@angular/router';
+import { Router, NavigationStart, UrlTree, NavigationEnd, RouterEvent } from '@angular/router';
 
-import { of } from 'rxjs';
-import { take } from 'rxjs/operators';
-
-import { getPageInternalServerErrorRoute } from '../../app-routing-paths';
+import { of, ReplaySubject } from 'rxjs';
 import { RootDataService } from '../data/root-data.service';
+import { TestScheduler } from 'rxjs/testing';
 import SpyObj = jasmine.SpyObj;
 
 describe('ServerCheckGuard', () => {
   let guard: ServerCheckGuard;
-  let router: SpyObj<Router>;
+  let router: Router;
+  const eventSubject = new ReplaySubject<RouterEvent>(1);
   let rootDataServiceStub: SpyObj<RootDataService>;
-
-  rootDataServiceStub = jasmine.createSpyObj('RootDataService', {
-    checkServerAvailability: jasmine.createSpy('checkServerAvailability'),
-    invalidateRootCache: jasmine.createSpy('invalidateRootCache')
-  });
-  router = jasmine.createSpyObj('Router', {
-    navigateByUrl: jasmine.createSpy('navigateByUrl')
-  });
+  let testScheduler: TestScheduler;
+  let redirectUrlTree: UrlTree;
 
   beforeEach(() => {
+    testScheduler = new TestScheduler((actual, expected) => {
+      expect(actual).toEqual(expected);
+    });
+    rootDataServiceStub = jasmine.createSpyObj('RootDataService', {
+      checkServerAvailability: jasmine.createSpy('checkServerAvailability'),
+      invalidateRootCache: jasmine.createSpy('invalidateRootCache'),
+      findRoot: jasmine.createSpy('findRoot')
+    });
+    redirectUrlTree = new UrlTree();
+    router = {
+      events: eventSubject.asObservable(),
+      navigateByUrl: jasmine.createSpy('navigateByUrl'),
+      parseUrl: jasmine.createSpy('parseUrl').and.returnValue(redirectUrlTree)
+    } as any;
     guard = new ServerCheckGuard(router, rootDataServiceStub);
   });
 
-  afterEach(() => {
-    router.navigateByUrl.calls.reset();
-    rootDataServiceStub.invalidateRootCache.calls.reset();
-  });
-
   it('should be created', () => {
     expect(guard).toBeTruthy();
   });
 
-  describe('when root endpoint has succeeded', () => {
+  describe('when root endpoint request has succeeded', () => {
     beforeEach(() => {
       rootDataServiceStub.checkServerAvailability.and.returnValue(of(true));
     });
 
-    it('should not redirect to error page', () => {
-      guard.canActivateChild({} as any, {} as any).pipe(
-        take(1)
-      ).subscribe((canActivate: boolean) => {
-        expect(canActivate).toEqual(true);
-        expect(rootDataServiceStub.invalidateRootCache).not.toHaveBeenCalled();
-        expect(router.navigateByUrl).not.toHaveBeenCalled();
+    it('should return true', () => {
+      testScheduler.run(({ expectObservable }) => {
+        const result$ = guard.canActivateChild({} as any, {} as any);
+        expectObservable(result$).toBe('(a|)', { a: true });
       });
     });
   });
 
-  describe('when root endpoint has not succeeded', () => {
+  describe('when root endpoint request has not succeeded', () => {
     beforeEach(() => {
       rootDataServiceStub.checkServerAvailability.and.returnValue(of(false));
     });
 
-    it('should redirect to error page', () => {
-      guard.canActivateChild({} as any, {} as any).pipe(
-        take(1)
-      ).subscribe((canActivate: boolean) => {
-        expect(canActivate).toEqual(false);
-        expect(rootDataServiceStub.invalidateRootCache).toHaveBeenCalled();
-        expect(router.navigateByUrl).toHaveBeenCalledWith(getPageInternalServerErrorRoute());
+    it('should return a UrlTree with the route to the 500 error page', () => {
+      testScheduler.run(({ expectObservable }) => {
+        const result$ = guard.canActivateChild({} as any, {} as any);
+        expectObservable(result$).toBe('(b|)', { b: redirectUrlTree });
       });
+      expect(router.parseUrl).toHaveBeenCalledWith('/500');
+    });
+  });
+
+  describe(`listenForRouteChanges`, () => {
+    it(`should retrieve the root endpoint, without using the cache, when the method is first called`, () => {
+        testScheduler.run(() => {
+          guard.listenForRouteChanges();
+          expect(rootDataServiceStub.findRoot).toHaveBeenCalledWith(false);
+        });
+    });
+
+    it(`should invalidate the root cache on every NavigationStart event`, () => {
+        testScheduler.run(() => {
+          guard.listenForRouteChanges();
+          eventSubject.next(new NavigationStart(1,''));
+          eventSubject.next(new NavigationEnd(1,'', ''));
+          eventSubject.next(new NavigationStart(2,''));
+          eventSubject.next(new NavigationEnd(2,'', ''));
+          eventSubject.next(new NavigationStart(3,''));
+        });
+        expect(rootDataServiceStub.invalidateRootCache).toHaveBeenCalledTimes(3);
     });
   });
 });

src/app/core/server-check/server-check.guard.ts

@@ -1,8 +1,15 @@
 import { Injectable } from '@angular/core';
-import { ActivatedRouteSnapshot, CanActivateChild, Router, RouterStateSnapshot } from '@angular/router';
+import {
+  ActivatedRouteSnapshot,
+  CanActivateChild,
+  Router,
+  RouterStateSnapshot,
+  UrlTree,
+  NavigationStart
+} from '@angular/router';
 
 import { Observable } from 'rxjs';
-import { take, tap } from 'rxjs/operators';
+import { take, map, filter } from 'rxjs/operators';
 
 import { RootDataService } from '../data/root-data.service';
 import { getPageInternalServerErrorRoute } from '../../app-routing-paths';
@@ -23,17 +30,38 @@ export class ServerCheckGuard implements CanActivateChild {
    */
   canActivateChild(
     route: ActivatedRouteSnapshot,
-    state: RouterStateSnapshot): Observable<boolean> {
+    state: RouterStateSnapshot
+  ): Observable<boolean | UrlTree> {
 
     return this.rootDataService.checkServerAvailability().pipe(
       take(1),
-      tap((isAvailable: boolean) => {
+      map((isAvailable: boolean) => {
         if (!isAvailable) {
-          this.rootDataService.invalidateRootCache();
-          this.router.navigateByUrl(getPageInternalServerErrorRoute());
+          return this.router.parseUrl(getPageInternalServerErrorRoute());
+        } else {
+          return true;
         }
       })
     );
+  }
 
+  /**
+   * Listen to all router events. Every time a new navigation starts, invalidate the cache
+   * for the root endpoint. That way we retrieve it once per routing operation to ensure the
+   * backend is not down. But if the guard is called multiple times during the same routing
+   * operation, the cached version is used.
+   */
+  listenForRouteChanges(): void {
+    // we'll always be too late for the first NavigationStart event with the router subscribe below,
+    // so this statement is for the very first route operation. A `find` without using the cache,
+    // rather than an invalidateRootCache, because invalidating as the app is bootstrapping can
+    // break other features
+    this.rootDataService.findRoot(false);
+
+    this.router.events.pipe(
+      filter(event => event instanceof NavigationStart),
+    ).subscribe(() => {
+      this.rootDataService.invalidateRootCache();
+    });
   }
 }

src/app/core/services/browser-hard-redirect.service.ts

@@ -38,8 +38,8 @@ export class BrowserHardRedirectService extends HardRedirectService {
   /**
    * Get the origin of the current URL
    * i.e. <scheme> "://" <hostname> [ ":" <port> ]
-   * e.g. if the URL is https://demo7.dspace.org/search?query=test,
-   * the origin would be https://demo7.dspace.org
+   * e.g. if the URL is https://demo.dspace.org/search?query=test,
+   * the origin would be https://demo.dspace.org
    */
   getCurrentOrigin(): string {
     return this.location.origin;

src/app/core/services/hard-redirect.service.ts

@@ -25,8 +25,8 @@ export abstract class HardRedirectService {
   /**
    * Get the origin of the current URL
    * i.e. <scheme> "://" <hostname> [ ":" <port> ]
-   * e.g. if the URL is https://demo7.dspace.org/search?query=test,
-   * the origin would be https://demo7.dspace.org
+   * e.g. if the URL is https://demo.dspace.org/search?query=test,
+   * the origin would be https://demo.dspace.org
    */
   abstract getCurrentOrigin(): string;
 }

src/app/core/services/server-hard-redirect.service.ts

@@ -69,8 +69,8 @@ export class ServerHardRedirectService extends HardRedirectService {
   /**
    * Get the origin of the current URL
    * i.e. <scheme> "://" <hostname> [ ":" <port> ]
-   * e.g. if the URL is https://demo7.dspace.org/search?query=test,
-   * the origin would be https://demo7.dspace.org
+   * e.g. if the URL is https://demo.dspace.org/search?query=test,
+   * the origin would be https://demo.dspace.org
    */
   getCurrentOrigin(): string {
     return this.req.protocol + '://' + this.req.headers.host;

src/app/core/submission/models/workspaceitem-section-upload-file.model.ts

@@ -29,6 +29,18 @@ export class WorkspaceitemSectionUploadFileObject {
     value: string;
   };
 
+  /**
+   * The file format information
+   */
+  format: {
+    shortDescription: string,
+    description: string,
+    mimetype: string,
+    supportLevel: string,
+    internal: boolean,
+    type: string
+  };
+
   /**
    * The file url
    */

src/app/curation-form/curation-form.component.spec.ts

@@ -1,4 +1,4 @@
-import { ComponentFixture, TestBed, waitForAsync } from '@angular/core/testing';
+import { ComponentFixture, TestBed, waitForAsync, fakeAsync, flush } from '@angular/core/testing';
 import { TranslateModule } from '@ngx-translate/core';
 import { CUSTOM_ELEMENTS_SCHEMA } from '@angular/core';
 import { CurationFormComponent } from './curation-form.component';
@@ -16,6 +16,7 @@ import { ConfigurationDataService } from '../core/data/configuration-data.servic
 import { ConfigurationProperty } from '../core/shared/configuration-property.model';
 import { getProcessDetailRoute } from '../process-page/process-page-routing.paths';
 import { HandleService } from '../shared/handle.service';
+import { of as observableOf } from 'rxjs';
 
 describe('CurationFormComponent', () => {
   let comp: CurationFormComponent;
@@ -54,7 +55,7 @@ describe('CurationFormComponent', () => {
     });
 
     handleService = {
-      normalizeHandle: (a) => a
+      normalizeHandle: (a: string) => observableOf(a),
     } as any;
 
     notificationsService = new NotificationsServiceStub();
@@ -151,12 +152,13 @@ describe('CurationFormComponent', () => {
     ], []);
   });
 
-  it(`should show an error notification and return when an invalid dsoHandle is provided`, () => {
+  it(`should show an error notification and return when an invalid dsoHandle is provided`, fakeAsync(() => {
     comp.dsoHandle = 'test-handle';
-    spyOn(handleService, 'normalizeHandle').and.returnValue(null);
+    spyOn(handleService, 'normalizeHandle').and.returnValue(observableOf(null));
     comp.submit();
+    flush();
 
     expect(notificationsService.error).toHaveBeenCalled();
     expect(scriptDataService.invoke).not.toHaveBeenCalled();
-  });
+  }));
 });

src/app/curation-form/curation-form.component.ts

@@ -1,22 +1,22 @@
-import { ChangeDetectorRef, Component, Input, OnInit } from '@angular/core';
+import { ChangeDetectorRef, Component, Input, OnDestroy, OnInit } from '@angular/core';
 import { ScriptDataService } from '../core/data/processes/script-data.service';
 import { UntypedFormControl, UntypedFormGroup } from '@angular/forms';
-import { getFirstCompletedRemoteData } from '../core/shared/operators';
-import { find, map } from 'rxjs/operators';
+import { getFirstCompletedRemoteData, getFirstSucceededRemoteDataPayload } from '../core/shared/operators';
+import { map } from 'rxjs/operators';
 import { NotificationsService } from '../shared/notifications/notifications.service';
 import { TranslateService } from '@ngx-translate/core';
 import { hasValue, isEmpty, isNotEmpty } from '../shared/empty.util';
 import { RemoteData } from '../core/data/remote-data';
 import { Router } from '@angular/router';
-import { ProcessDataService } from '../core/data/processes/process-data.service';
 import { Process } from '../process-page/processes/process.model';
 import { ConfigurationDataService } from '../core/data/configuration-data.service';
 import { ConfigurationProperty } from '../core/shared/configuration-property.model';
-import { Observable } from 'rxjs';
+import { Observable, Subscription } from 'rxjs';
 import { getProcessDetailRoute } from '../process-page/process-page-routing.paths';
 import { HandleService } from '../shared/handle.service';
 
 export const CURATION_CFG = 'plugin.named.org.dspace.curate.CurationTask';
+
 /**
  * Component responsible for rendering the Curation Task form
  */
@@ -24,7 +24,7 @@ export const CURATION_CFG = 'plugin.named.org.dspace.curate.CurationTask';
   selector: 'ds-curation-form',
   templateUrl: './curation-form.component.html'
 })
-export class CurationFormComponent implements OnInit {
+export class CurationFormComponent implements OnDestroy, OnInit {
 
   config: Observable<RemoteData<ConfigurationProperty>>;
   tasks: string[];
@@ -33,10 +33,11 @@ export class CurationFormComponent implements OnInit {
   @Input()
   dsoHandle: string;
 
+  subs: Subscription[] = [];
+
   constructor(
     private scriptDataService: ScriptDataService,
     private configurationDataService: ConfigurationDataService,
-    private processDataService: ProcessDataService,
     private notificationsService: NotificationsService,
     private translateService: TranslateService,
     private handleService: HandleService,
@@ -45,6 +46,10 @@ export class CurationFormComponent implements OnInit {
   ) {
   }
 
+  ngOnDestroy(): void {
+    this.subs.forEach((sub: Subscription) => sub.unsubscribe());
+  }
+
   ngOnInit(): void {
     this.form = new UntypedFormGroup({
       task: new UntypedFormControl(''),
@@ -52,16 +57,15 @@ export class CurationFormComponent implements OnInit {
     });
 
     this.config = this.configurationDataService.findByPropertyName(CURATION_CFG);
-    this.config.pipe(
-      find((rd: RemoteData<ConfigurationProperty>) => rd.hasSucceeded),
-      map((rd: RemoteData<ConfigurationProperty>) => rd.payload)
-    ).subscribe((configProperties) => {
+    this.subs.push(this.config.pipe(
+      getFirstSucceededRemoteDataPayload(),
+    ).subscribe((configProperties: ConfigurationProperty) => {
       this.tasks = configProperties.values
         .filter((value) => isNotEmpty(value) && value.includes('='))
         .map((value) => value.split('=')[1].trim());
       this.form.get('task').patchValue(this.tasks[0]);
       this.cdr.detectChanges();
-    });
+    }));
   }
 
   /**
@@ -77,33 +81,41 @@ export class CurationFormComponent implements OnInit {
    */
   submit() {
     const taskName = this.form.get('task').value;
-    let handle;
+    let handle$: Observable<string | null>;
     if (this.hasHandleValue()) {
-      handle = this.handleService.normalizeHandle(this.dsoHandle);
-      if (isEmpty(handle)) {
-        this.notificationsService.error(this.translateService.get('curation.form.submit.error.head'),
-          this.translateService.get('curation.form.submit.error.invalid-handle'));
-        return;
-      }
+      handle$ = this.handleService.normalizeHandle(this.dsoHandle).pipe(
+        map((handle: string | null) => {
+          if (isEmpty(handle)) {
+            this.notificationsService.error(this.translateService.get('curation.form.submit.error.head'),
+              this.translateService.get('curation.form.submit.error.invalid-handle'));
+          }
+          return handle;
+        }),
+      );
     } else {
-      handle = this.handleService.normalizeHandle(this.form.get('handle').value);
-      if (isEmpty(handle)) {
-        handle = 'all';
-      }
+      handle$ = this.handleService.normalizeHandle(this.form.get('handle').value).pipe(
+        map((handle: string | null) => isEmpty(handle) ? 'all' : handle),
+      );
     }
 
-    this.scriptDataService.invoke('curate', [
-      { name: '-t', value: taskName },
-      { name: '-i', value: handle },
-    ], []).pipe(getFirstCompletedRemoteData()).subscribe((rd: RemoteData<Process>) => {
-      if (rd.hasSucceeded) {
-        this.notificationsService.success(this.translateService.get('curation.form.submit.success.head'),
-          this.translateService.get('curation.form.submit.success.content'));
-        this.router.navigateByUrl(getProcessDetailRoute(rd.payload.processId));
-      } else {
-        this.notificationsService.error(this.translateService.get('curation.form.submit.error.head'),
-          this.translateService.get('curation.form.submit.error.content'));
+    this.subs.push(handle$.subscribe((handle: string) => {
+      if (hasValue(handle)) {
+        this.subs.push(this.scriptDataService.invoke('curate', [
+          { name: '-t', value: taskName },
+          { name: '-i', value: handle },
+        ], []).pipe(
+          getFirstCompletedRemoteData(),
+        ).subscribe((rd: RemoteData<Process>) => {
+          if (rd.hasSucceeded) {
+            this.notificationsService.success(this.translateService.get('curation.form.submit.success.head'),
+              this.translateService.get('curation.form.submit.success.content'));
+            void this.router.navigateByUrl(getProcessDetailRoute(rd.payload.processId));
+          } else {
+            this.notificationsService.error(this.translateService.get('curation.form.submit.error.head'),
+              this.translateService.get('curation.form.submit.error.content'));
+          }
+        }));
       }
-    });
+    }));
   }
 }

src/app/dso-shared/dso-edit-metadata/dso-edit-metadata.component.ts

@@ -1,5 +1,5 @@
 import { Component, Inject, Injector, Input, OnDestroy, OnInit, ViewChild } from '@angular/core';
-import { AlertType } from '../../shared/alert/aletr-type';
+import { AlertType } from '../../shared/alert/alert-type';
 import { DSpaceObject } from '../../core/shared/dspace-object.model';
 import { DsoEditMetadataForm } from './dso-edit-metadata-form';
 import { map } from 'rxjs/operators';

src/app/forgot-password/forgot-password-email/forgot-email.component.html

@@ -1,3 +1,3 @@
-<ds-register-email-form
+<ds-themed-register-email-form
     [MESSAGE_PREFIX]="'forgot-email.form'" [typeRequest]="typeRequest">
-</ds-register-email-form>
+</ds-themed-register-email-form>

src/app/header-nav-wrapper/header-navbar-wrapper.component.html

@@ -1,4 +1,4 @@
-<div [ngClass]="{'open': !(isNavBarCollapsed | async)}">
+<div [ngClass]="{'open': !(isNavBarCollapsed | async)}" id="header-navbar-wrapper">
     <ds-themed-header></ds-themed-header>
     <ds-themed-navbar></ds-themed-navbar>
 </div>

src/app/header-nav-wrapper/header-navbar-wrapper.component.scss

@@ -1,4 +1,6 @@
 :host {
   position: relative;
-  z-index: var(--ds-nav-z-index);
+  div#header-navbar-wrapper {
+    border-bottom: 1px var(--ds-header-navbar-border-bottom-color) solid;
+  }
 }

src/app/header/context-help-toggle/context-help-toggle.component.ts

@@ -1,6 +1,6 @@
-import { Component, OnInit } from '@angular/core';
+import { Component, OnInit, ElementRef } from '@angular/core';
 import { ContextHelpService } from '../../shared/context-help.service';
-import { Observable } from 'rxjs';
+import { Observable, Subscription } from 'rxjs';
 import { map } from 'rxjs/operators';
 
 /**
@@ -15,12 +15,23 @@ import { map } from 'rxjs/operators';
 export class ContextHelpToggleComponent implements OnInit {
   buttonVisible$: Observable<boolean>;
 
+  subscriptions: Subscription[] = [];
+
   constructor(
-    private contextHelpService: ContextHelpService,
-  ) { }
+    protected elRef: ElementRef,
+    protected contextHelpService: ContextHelpService,
+  ) {
+  }
 
   ngOnInit(): void {
     this.buttonVisible$ = this.contextHelpService.tooltipCount$().pipe(map(x => x > 0));
+    this.subscriptions.push(this.buttonVisible$.subscribe((showContextHelpToggle: boolean) => {
+      if (showContextHelpToggle) {
+        this.elRef.nativeElement.classList.remove('d-none');
+      } else {
+        this.elRef.nativeElement.classList.add('d-none');
+      }
+    }));
   }
 
   onClick() {

src/app/header/header.component.html

@@ -7,12 +7,12 @@
 
       <nav role="navigation" [attr.aria-label]="'nav.user.description' | translate" class="navbar navbar-light navbar-expand-md flex-shrink-0 px-0">
         <ds-themed-search-navbar></ds-themed-search-navbar>
-        <ds-lang-switch></ds-lang-switch>
+        <ds-themed-lang-switch></ds-themed-lang-switch>
         <ds-context-help-toggle></ds-context-help-toggle>
         <ds-themed-auth-nav-menu></ds-themed-auth-nav-menu>
         <ds-impersonate-navbar></ds-impersonate-navbar>
-        <div class="pl-2">
-          <button class="navbar-toggler" type="button" (click)="toggleNavbar()"
+        <div *ngIf="isXsOrSm$ | async" class="pl-2">
+          <button class="navbar-toggler px-0" type="button" (click)="toggleNavbar()"
                   aria-controls="collapsingNav"
                   aria-expanded="false" [attr.aria-label]="'nav.toggle' | translate">
             <span class="navbar-toggler-icon fas fa-bars fa-fw" aria-hidden="true"></span>

src/app/header/header.component.scss

@@ -1,3 +1,7 @@
+header {
+  background-color: var(--ds-header-bg);
+}
+
 .navbar-brand img {
   max-height: var(--ds-header-logo-height);
   max-width: 100%;
@@ -20,3 +24,8 @@
   }
 }
 
+.navbar {
+  display: flex;
+  gap: calc(var(--bs-spacer) / 3);
+  align-items: center;
+}

src/app/header/header.component.spec.ts

@@ -10,6 +10,8 @@ import { NoopAnimationsModule } from '@angular/platform-browser/animations';
 import { NO_ERRORS_SCHEMA } from '@angular/core';
 import { MenuService } from '../shared/menu/menu.service';
 import { MenuServiceStub } from '../shared/testing/menu-service.stub';
+import { HostWindowService } from '../shared/host-window.service';
+import { HostWindowServiceStub } from '../shared/testing/host-window-service.stub';
 
 let comp: HeaderComponent;
 let fixture: ComponentFixture<HeaderComponent>;
@@ -26,6 +28,7 @@ describe('HeaderComponent', () => {
         ReactiveFormsModule],
       declarations: [HeaderComponent],
       providers: [
+        { provide: HostWindowService, useValue: new HostWindowServiceStub(0) },
         { provide: MenuService, useValue: menuService }
       ],
       schemas: [NO_ERRORS_SCHEMA]
@@ -40,7 +43,7 @@ describe('HeaderComponent', () => {
     fixture = TestBed.createComponent(HeaderComponent);
 
     comp = fixture.componentInstance;
-
+    fixture.detectChanges();
   });
 
   describe('when the toggle button is clicked', () => {