Merge remote-tracking branch 'remotes/origin/main' into comcol-resource-policies

# Conflicts:
#	src/app/shared/shared.module.ts

.codecov.yml

@@ -17,10 +17,9 @@ coverage:
     # Configuration for patch-level checks. This checks the relative coverage of the new PR code ONLY.
     patch:
       default:
-         # For each PR, make sure the coverage of the new code is within 1% of current overall coverage.
+         # Enable informational mode, which just provides info to reviewers & always passes
-         # We let 'patch' be more lenient as we only require *project* coverage to not drop significantly.
+         # https://docs.codecov.io/docs/commit-status#section-informational
-         target: auto
+         informational: true
-         threshold: 1%
 
 # Turn PR comments "off". This feature adds the code coverage summary as a
 # comment on each PR. See https://docs.codecov.io/docs/pull-request-comments

.editorconfig

@@ -12,3 +12,6 @@ trim_trailing_whitespace = true
 [*.md]
 insert_final_newline = false
 trim_trailing_whitespace = false
+
+[*.ts]
+quote_type = single

.github/workflows/build.yml

@@ -0,0 +1,87 @@
+# DSpace Continuous Integration/Build via GitHub Actions
+# Concepts borrowed from
+# https://docs.github.com/en/free-pro-team@latest/actions/guides/building-and-testing-nodejs
+name: Build
+
+# Run this Build for all pushes / PRs to current branch
+on: [push, pull_request]
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    env:
+      # The ci step will test the dspace-angular code against DSpace REST.
+      # Direct that step to utilize a DSpace REST service that has been started in docker.
+      DSPACE_REST_HOST: localhost
+      DSPACE_REST_PORT: 8080
+      DSPACE_REST_NAMESPACE: '/server'
+      DSPACE_REST_SSL: false
+    strategy:
+      # Create a matrix of Node versions to test against (in parallel)
+      matrix:
+        node-version: [10.x, 12.x]
+      # Do NOT exit immediately if one matrix job fails
+      fail-fast: false
+    # These are the actual CI steps to perform per job
+    steps:
+      # https://github.com/actions/checkout
+      - name: Checkout codebase
+        uses: actions/checkout@v1
+
+      # https://github.com/actions/setup-node
+      - name: Install Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Install latest Chrome (for e2e tests)
+        run: |
+          sudo apt-get update
+          sudo apt-get --only-upgrade install google-chrome-stable -y
+          google-chrome --version
+
+      # https://github.com/actions/cache/blob/main/examples.md#node---yarn
+      - name: Get Yarn cache directory
+        id: yarn-cache-dir-path
+        run: echo "::set-output name=dir::$(yarn cache dir)"
+      - name: Cache Yarn dependencies
+        uses: actions/cache@v2
+        with:
+          # Cache entire Yarn cache directory (see previous step)
+          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+          # Cache key is hash of yarn.lock. Therefore changes to yarn.lock will invalidate cache
+          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: ${{ runner.os }}-yarn-
+
+      - name: Install Yarn dependencies
+        run: yarn install --frozen-lockfile
+
+      - name: Run lint
+        run: yarn run lint
+
+      - name: Run build
+        run: yarn run build:prod
+
+      - name: Run specs (unit tests)
+        run: yarn run test:headless
+
+      # Using docker-compose start backend using CI configuration
+      # and load assetstore from a cached copy
+      - name: Start DSpace REST Backend via Docker (for e2e tests)
+        run: |
+          docker-compose -f ./docker/docker-compose-ci.yml up -d
+          docker-compose -f ./docker/cli.yml -f ./docker/cli.assetstore.yml run --rm dspace-cli
+          docker container ls
+
+      - name: Run e2e tests (integration tests)
+        run: yarn run e2e:ci
+
+      - name: Shutdown Docker containers
+        run: docker-compose -f ./docker/docker-compose-ci.yml down
+
+      # NOTE: Angular CLI only supports code coverage for specs. See https://github.com/angular/angular-cli/issues/6286
+      # Upload coverage reports to Codecov (for Node v12 only)
+      # https://github.com/codecov/codecov-action
+      - name: Upload coverage to Codecov.io
+        uses: codecov/codecov-action@v1
+        if: matrix.node-version == '12.x'

.travis.yml

@@ -1,67 +0,0 @@
-os: linux
-dist: bionic
-language: node_js
-
-# Enable caching for yarn & node_modules
-cache:
-  yarn: true
-
-node_js:
-  - "10"
-  - "12"
-
-# Install latest chrome (for e2e headless testing). Run an update if needed.
-addons:
-  apt:
-    sources:
-      - google-chrome
-    packages:
-      - google-chrome-stable
-    update: true
-
-env:
-  # The ci step will test the dspace-angular code against DSpace REST.
-  # Direct that step to utilize a DSpace REST service that has been started in docker.
-  DSPACE_REST_HOST: localhost
-  DSPACE_REST_PORT: 8080
-  DSPACE_REST_NAMESPACE: '/server'
-  DSPACE_REST_SSL: false
-
-before_install:
-  # Check our versions of everything
-  - echo "Check versions"
-  - yarn -v
-  - docker-compose -v
-  - google-chrome-stable --version
-
-install:
-  # Start up a test DSpace 7 REST backend using the entities database dump
-  - docker-compose -f ./docker/docker-compose-travis.yml up -d
-  # Use the dspace-cli image to populate the assetstore. Triggers a discovery and oai update
-  - docker-compose -f ./docker/cli.yml -f ./docker/cli.assetstore.yml run --rm dspace-cli
-  # Install all local dependencies (retry if initially fails)
-  - travis_retry yarn install
-
-before_script:
-  - echo "Check Docker containers"
-  - docker container ls
-  # The following line could be enabled to verify that the rest server is responding.
-  #- echo "Check REST API available (via Docker)"
-  #- curl http://localhost:8080/server/
-
-script:
-  # build app and run all tests
-  - ng lint || travis_terminate 1;
-  - travis_wait yarn run build:prod || travis_terminate 1;
-  - yarn test:headless || travis_terminate 1;
-  - yarn run e2e:ci || travis_terminate 1;
-
-after_script:
-  # Shutdown docker after everything runs
-  - docker-compose -f ./docker/docker-compose-travis.yml down
-
-# After a successful build and test (see 'script'), send code coverage reports to codecov.io
-# These code coverage reports are generated by the codecov node module in our package.json
-# NOTE: As there's no need to send coverage multiple times, we only run this for one version of node.
-after_success:
-  - if [ "$TRAVIS_NODE_VERSION" = "12" ]; then codecov; fi

README.md

@@ -1,4 +1,4 @@
-[![Build Status](https://travis-ci.com/DSpace/dspace-angular.svg?branch=main)](https://travis-ci.com/DSpace/dspace-angular) [![Coverage Status](https://codecov.io/gh/DSpace/dspace-angular/branch/main/graph/badge.svg)](https://codecov.io/gh/DSpace/dspace-angular) [![Universal Angular](https://img.shields.io/badge/universal-angular2-brightgreen.svg?style=flat)](https://github.com/angular/universal)
+[![Build Status](https://github.com/DSpace/dspace-angular/workflows/Build/badge.svg?branch=main)](https://github.com/DSpace/dspace-angular/actions?query=workflow%3ABuild) [![Coverage Status](https://codecov.io/gh/DSpace/dspace-angular/branch/main/graph/badge.svg)](https://codecov.io/gh/DSpace/dspace-angular) [![Universal Angular](https://img.shields.io/badge/universal-angular2-brightgreen.svg?style=flat)](https://github.com/angular/universal)
 
 dspace-angular
 ==============

docker/docker-compose-ci.yml

@@ -1,3 +1,4 @@
+# Docker Compose for running the DSpace backend for e2e testing in CI
 networks:
   dspacenet:
 services:

package.json

@@ -40,7 +40,7 @@
     "clean:bld": "rimraf build",
     "clean:node": "rimraf node_modules",
     "clean:prod": "yarn run clean:coverage && yarn run clean:doc && yarn run clean:dist && yarn run clean:log && yarn run clean:json && yarn run clean:bld",
-    "clean": "yarn run clean:prod && yarn run clean:node && yarn run clean:env",
+    "clean": "yarn run clean:prod && yarn run clean:env && yarn run clean:node",
     "clean:env": "rimraf src/environments/environment.ts",
     "sync-i18n": "yarn run config:dev && ts-node --project ./tsconfig.ts-node.json scripts/sync-i18n-files.ts"
   },
@@ -88,6 +88,7 @@
     "debug-loader": "^0.0.1",
     "deepmerge": "^4.2.2",
     "express": "4.16.2",
+    "express-rate-limit": "^5.1.3",
     "fast-json-patch": "^2.0.7",
     "file-saver": "^1.3.8",
     "filesize": "^6.1.0",
@@ -137,7 +138,6 @@
     "@types/js-cookie": "2.1.0",
     "@types/lodash": "^4.14.110",
     "@types/node": "11.15.3",
-    "codecov": "^3.7.2",
     "codelyzer": "^5.0.0",
     "compression-webpack-plugin": "^3.0.1",
     "copy-webpack-plugin": "^5.1.1",

scripts/set-env.ts

@@ -54,13 +54,6 @@ import(environmentFilePath)
 function generateEnvironmentFile(file: GlobalConfig): void {
   file.production = production;
   buildBaseUrls(file);
-
-  // TODO remove workaround in beta 5
-  if (file.rest.nameSpace.match("(.*)/api/?$") !== null) {
-    file.rest.nameSpace = getNameSpace(file.rest.nameSpace);
-    console.log(colors.white.bgMagenta.bold(`The rest.nameSpace property in your environment file or in your DSPACE_REST_NAMESPACE environment variable ends with '/api'.\nThis is deprecated. As '/api' isn't configurable on the rest side, it shouldn't be repeated in every environment file.\nPlease change the rest nameSpace to '${file.rest.nameSpace}'`));
-  }
-
   const contents = `export const environment = ` + JSON.stringify(file);
   writeFile(targetPath, contents, (err) => {
     if (err) {
@@ -119,16 +112,5 @@ function getPort(port: number): string {
 }
 
 function getNameSpace(nameSpace: string): string {
-  // TODO remove workaround in beta 5
-  const apiMatches = nameSpace.match("(.*)/api/?$");
-  if (apiMatches != null) {
-    let newValue = '/'
-    if (hasValue(apiMatches[1])) {
-      newValue = apiMatches[1];
-    }
-    return newValue;
-  }
-  else {
   return nameSpace ? nameSpace.charAt(0) === '/' ? nameSpace : '/' + nameSpace : '';
 }
-}

server.ts

@@ -28,12 +28,13 @@ import * as compression from 'compression';
 import * as cookieParser from 'cookie-parser';
 import { join } from 'path';
 
-import { enableProdMode, NgModuleFactory, Type } from '@angular/core';
+import { enableProdMode } from '@angular/core';
 
 import { REQUEST, RESPONSE } from '@nguniversal/express-engine/tokens';
 import { environment } from './src/environments/environment';
 import { createProxyMiddleware } from 'http-proxy-middleware';
-import { hasValue, hasNoValue } from './src/app/shared/empty.util';
+import { hasNoValue, hasValue } from './src/app/shared/empty.util';
+import { UIServerConfig } from './src/config/ui-server-config.interface';
 
 /*
  * Set path for the browser application's dist folder
@@ -121,6 +122,19 @@ function cacheControl(req, res, next) {
   next();
 }
 
+/**
+ * Checks if the rateLimiter property is present
+ * When it is present, the rateLimiter will be enabled. When it is undefined, the rateLimiter will be disabled.
+ */
+if (hasValue((environment.ui as UIServerConfig).rateLimiter)) {
+  const RateLimit = require('express-rate-limit');
+  const limiter = new RateLimit({
+    windowMs: (environment.ui as UIServerConfig).rateLimiter.windowMs,
+    max: (environment.ui as UIServerConfig).rateLimiter.max
+  });
+  app.use(limiter);
+}
+
 /*
  * Serve static resources (images, i18n messages, …)
  */
@@ -209,8 +223,9 @@ if (environment.ui.ssl) {
       certificate: certificate
     });
   } else {
+    console.warn('Disabling certificate validation and proceeding with a self-signed certificate. If this is a production server, it is recommended that you configure a valid certificate instead.');
 
-    process.env.NODE_TLS_REJECT_UNAUTHORIZED = '0';
+    process.env.NODE_TLS_REJECT_UNAUTHORIZED = '0'; // lgtm[js/disabling-certificate-validation]
 
     pem.createCertificate({
       days: 1,

src/app/+admin/admin-search-page/admin-search-results/admin-search-result-grid-element/collection-search-result/collection-admin-search-result-grid-element.component.spec.ts

@@ -13,6 +13,7 @@ import { Collection } from '../../../../../core/shared/collection.model';
 import { By } from '@angular/platform-browser';
 import { RouterTestingModule } from '@angular/router/testing';
 import { getCollectionEditRoute } from '../../../../../+collection-page/collection-page-routing-paths';
+import { LinkService } from '../../../../../core/cache/builders/link.service';
 
 describe('CollectionAdminSearchResultGridElementComponent', () => {
   let component: CollectionAdminSearchResultGridElementComponent;
@@ -26,6 +27,11 @@ describe('CollectionAdminSearchResultGridElementComponent', () => {
     searchResult.indexableObject = new Collection();
     searchResult.indexableObject.uuid = id;
   }
+
+  const linkService = jasmine.createSpyObj('linkService', {
+    resolveLink: {}
+  });
+
   beforeEach(async(() => {
     init();
     TestBed.configureTestingModule({
@@ -39,6 +45,7 @@ describe('CollectionAdminSearchResultGridElementComponent', () => {
       providers: [
         { provide: TruncatableService, useValue: mockTruncatableService },
         { provide: BitstreamDataService, useValue: {} },
+        { provide: LinkService, useValue: linkService}
       ]
     })
       .compileComponents();

src/app/+admin/admin-search-page/admin-search-results/admin-search-result-grid-element/community-search-result/community-admin-search-result-grid-element.component.spec.ts

@@ -14,8 +14,8 @@ import { RouterTestingModule } from '@angular/router/testing';
 import { CommunityAdminSearchResultGridElementComponent } from './community-admin-search-result-grid-element.component';
 import { CommunitySearchResult } from '../../../../../shared/object-collection/shared/community-search-result.model';
 import { Community } from '../../../../../core/shared/community.model';
-import { CommunityAdminSearchResultListElementComponent } from '../../admin-search-result-list-element/community-search-result/community-admin-search-result-list-element.component';
 import { getCommunityEditRoute } from '../../../../../+community-page/community-page-routing-paths';
+import { LinkService } from '../../../../../core/cache/builders/link.service';
 
 describe('CommunityAdminSearchResultGridElementComponent', () => {
   let component: CommunityAdminSearchResultGridElementComponent;
@@ -29,6 +29,11 @@ describe('CommunityAdminSearchResultGridElementComponent', () => {
     searchResult.indexableObject = new Community();
     searchResult.indexableObject.uuid = id;
   }
+
+  const linkService = jasmine.createSpyObj('linkService', {
+    resolveLink: {}
+  });
+
   beforeEach(async(() => {
     init();
     TestBed.configureTestingModule({
@@ -42,6 +47,7 @@ describe('CommunityAdminSearchResultGridElementComponent', () => {
       providers: [
         { provide: TruncatableService, useValue: mockTruncatableService },
         { provide: BitstreamDataService, useValue: {} },
+        { provide: LinkService, useValue: linkService}
       ],
       schemas: [NO_ERRORS_SCHEMA]
     })

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

@@ -4,7 +4,8 @@
         <div *ngIf="collectionRD?.hasSucceeded" @fadeInOut>
             <div *ngIf="collectionRD?.payload as collection">
               <ds-view-tracker [object]="collection"></ds-view-tracker>
-                <header class="comcol-header border-bottom mb-4 pb-4">
+              <div class="d-flex flex-row border-bottom mb-4 pb-4">
+                <header class="comcol-header mr-auto">
                   <!-- Collection Name -->
                   <ds-comcol-page-header
                           [name]="collection.name">
@@ -32,8 +33,11 @@
                           [hasInnerHtml]="true"
                           [title]="'collection.page.news'">
                   </ds-comcol-page-content>
-
                 </header>
+                <div class="pl-2">
+                  <ds-dso-page-edit-button [pageRoutePrefix]="'collections'" [dso]="collection" [tooltipMsg]="'collection.page.edit'"></ds-dso-page-edit-button>
+                </div>
+              </div>
               <section class="comcol-page-browse-section">
               <!-- Browse-By Links -->
               <ds-comcol-page-browse-by

src/app/+collection-page/create-collection-page/create-collection-page.component.spec.ts

@@ -12,6 +12,7 @@ import { CommunityDataService } from '../../core/data/community-data.service';
 import { CreateCollectionPageComponent } from './create-collection-page.component';
 import { NotificationsService } from '../../shared/notifications/notifications.service';
 import { NotificationsServiceStub } from '../../shared/testing/notifications-service.stub';
+import {RequestService} from '../../core/data/request.service';
 
 describe('CreateCollectionPageComponent', () => {
   let comp: CreateCollectionPageComponent;
@@ -29,7 +30,8 @@ describe('CreateCollectionPageComponent', () => {
         },
         { provide: RouteService, useValue: { getQueryParameterValue: () => observableOf('1234') } },
         { provide: Router, useValue: {} },
-        { provide: NotificationsService, useValue: new NotificationsServiceStub() }
+        { provide: NotificationsService, useValue: new NotificationsServiceStub() },
+        { provide: RequestService, useValue: {}}
       ],
       schemas: [NO_ERRORS_SCHEMA]
     }).compileComponents();

src/app/+collection-page/create-collection-page/create-collection-page.component.ts

@@ -7,6 +7,7 @@ import { Collection } from '../../core/shared/collection.model';
 import { CollectionDataService } from '../../core/data/collection-data.service';
 import { NotificationsService } from '../../shared/notifications/notifications.service';
 import { TranslateService } from '@ngx-translate/core';
+import {RequestService} from '../../core/data/request.service';
 
 /**
  * Component that represents the page where a user can create a new Collection
@@ -26,8 +27,9 @@ export class CreateCollectionPageComponent extends CreateComColPageComponent<Col
     protected routeService: RouteService,
     protected router: Router,
     protected notificationsService: NotificationsService,
-    protected translate: TranslateService
+    protected translate: TranslateService,
+    protected requestService: RequestService
   ) {
-    super(collectionDataService, communityDataService, routeService, router, notificationsService, translate);
+    super(collectionDataService, communityDataService, routeService, router, notificationsService, translate, requestService);
   }
 }

src/app/+collection-page/delete-collection-page/delete-collection-page.component.spec.ts

@@ -9,6 +9,7 @@ import { of as observableOf } from 'rxjs';
 import { NotificationsService } from '../../shared/notifications/notifications.service';
 import { DeleteCollectionPageComponent } from './delete-collection-page.component';
 import { CollectionDataService } from '../../core/data/collection-data.service';
+import {RequestService} from '../../core/data/request.service';
 
 describe('DeleteCollectionPageComponent', () => {
   let comp: DeleteCollectionPageComponent;
@@ -22,6 +23,7 @@ describe('DeleteCollectionPageComponent', () => {
         { provide: CollectionDataService, useValue: {} },
         { provide: ActivatedRoute, useValue: { data: observableOf({ dso: { payload: {} } }) } },
         { provide: NotificationsService, useValue: {} },
+        { provide: RequestService, useValue: {} }
       ],
       schemas: [NO_ERRORS_SCHEMA]
     }).compileComponents();

src/app/+collection-page/delete-collection-page/delete-collection-page.component.ts

@@ -5,6 +5,7 @@ import { NotificationsService } from '../../shared/notifications/notifications.s
 import { CollectionDataService } from '../../core/data/collection-data.service';
 import { Collection } from '../../core/shared/collection.model';
 import { TranslateService } from '@ngx-translate/core';
+import {RequestService} from '../../core/data/request.service';
 
 /**
  * Component that represents the page where a user can delete an existing Collection
@@ -22,8 +23,9 @@ export class DeleteCollectionPageComponent extends DeleteComColPageComponent<Col
     protected router: Router,
     protected route: ActivatedRoute,
     protected notifications: NotificationsService,
-    protected translate: TranslateService
+    protected translate: TranslateService,
+    protected requestService: RequestService
   ) {
-    super(dsoDataService, router, route, notifications, translate);
+    super(dsoDataService, router, route, notifications, translate, requestService);
   }
 }

src/app/+collection-page/edit-collection-page/collection-curate/collection-curate.component.spec.ts

@@ -17,7 +17,7 @@ describe('CollectionCurateComponent', () => {
   let dsoNameService;
 
   const collection = Object.assign(new Collection(), {
-    handle: '123456789/1', metadata: {'dc.title': ['Collection Name']}
+    metadata: {'dc.title': ['Collection Name'], 'dc.identifier.uri': [ { value: '123456789/1'}]}
   });
 
   beforeEach(async(() => {

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

@@ -2,7 +2,8 @@
   <div class="community-page" *ngIf="communityRD?.hasSucceeded" @fadeInOut>
     <div *ngIf="communityRD?.payload; let communityPayload">
       <ds-view-tracker [object]="communityPayload"></ds-view-tracker>
-      <header class="comcol-header border-bottom mb-4 pb-4">
+      <div class="d-flex flex-row border-bottom mb-4 pb-4">
+        <header class="comcol-header mr-auto">
           <!-- Community name -->
           <ds-comcol-page-header [name]="communityPayload.name"></ds-comcol-page-header>
           <!-- Community logo -->
@@ -18,8 +19,11 @@
           <ds-comcol-page-content [content]="communityPayload.sidebarText" [hasInnerHtml]="true"
             [title]="'community.page.news'">
           </ds-comcol-page-content>
-
         </header>
+        <div class="pl-2">
+          <ds-dso-page-edit-button [pageRoutePrefix]="'communities'" [dso]="communityPayload" [tooltipMsg]="'community.page.edit'"></ds-dso-page-edit-button>
+        </div>
+      </div>
       <section class="comcol-page-browse-section">
         <!-- Browse-By Links -->
         <ds-comcol-page-browse-by [id]="communityPayload.id" [contentType]="communityPayload.type">

src/app/+community-page/create-community-page/create-community-page.component.spec.ts

@@ -12,6 +12,7 @@ import { CommunityDataService } from '../../core/data/community-data.service';
 import { CreateCommunityPageComponent } from './create-community-page.component';
 import { NotificationsService } from '../../shared/notifications/notifications.service';
 import { NotificationsServiceStub } from '../../shared/testing/notifications-service.stub';
+import {RequestService} from '../../core/data/request.service';
 
 describe('CreateCommunityPageComponent', () => {
   let comp: CreateCommunityPageComponent;
@@ -25,7 +26,8 @@ describe('CreateCommunityPageComponent', () => {
         { provide: CommunityDataService, useValue: { findById: () => observableOf({}) } },
         { provide: RouteService, useValue: { getQueryParameterValue: () => observableOf('1234') } },
         { provide: Router, useValue: {} },
-        { provide: NotificationsService, useValue: new NotificationsServiceStub() }
+        { provide: NotificationsService, useValue: new NotificationsServiceStub() },
+        { provide: RequestService, useValue: {} }
       ],
       schemas: [NO_ERRORS_SCHEMA]
     }).compileComponents();

src/app/+community-page/create-community-page/create-community-page.component.ts

@@ -6,6 +6,7 @@ import { Router } from '@angular/router';
 import { CreateComColPageComponent } from '../../shared/comcol-forms/create-comcol-page/create-comcol-page.component';
 import { NotificationsService } from '../../shared/notifications/notifications.service';
 import { TranslateService } from '@ngx-translate/core';
+import {RequestService} from '../../core/data/request.service';
 
 /**
  * Component that represents the page where a user can create a new Community
@@ -24,8 +25,9 @@ export class CreateCommunityPageComponent extends CreateComColPageComponent<Comm
     protected routeService: RouteService,
     protected router: Router,
     protected notificationsService: NotificationsService,
-    protected translate: TranslateService
+    protected translate: TranslateService,
+    protected requestService: RequestService
   ) {
-    super(communityDataService, communityDataService, routeService, router, notificationsService, translate);
+    super(communityDataService, communityDataService, routeService, router, notificationsService, translate, requestService);
   }
 }

src/app/+community-page/delete-community-page/delete-community-page.component.spec.ts

@@ -9,6 +9,7 @@ import { CommunityDataService } from '../../core/data/community-data.service';
 import { NotificationsService } from '../../shared/notifications/notifications.service';
 import { SharedModule } from '../../shared/shared.module';
 import { DeleteCommunityPageComponent } from './delete-community-page.component';
+import {RequestService} from '../../core/data/request.service';
 
 describe('DeleteCommunityPageComponent', () => {
   let comp: DeleteCommunityPageComponent;
@@ -22,6 +23,7 @@ describe('DeleteCommunityPageComponent', () => {
         { provide: CommunityDataService, useValue: {} },
         { provide: ActivatedRoute, useValue: { data: observableOf({ dso: { payload: {} } }) } },
         { provide: NotificationsService, useValue: {} },
+        { provide: RequestService, useValue: {}}
       ],
       schemas: [NO_ERRORS_SCHEMA]
     }).compileComponents();

src/app/+community-page/delete-community-page/delete-community-page.component.ts

@@ -5,6 +5,7 @@ import { ActivatedRoute, Router } from '@angular/router';
 import { DeleteComColPageComponent } from '../../shared/comcol-forms/delete-comcol-page/delete-comcol-page.component';
 import { NotificationsService } from '../../shared/notifications/notifications.service';
 import { TranslateService } from '@ngx-translate/core';
+import {RequestService} from '../../core/data/request.service';
 
 /**
  * Component that represents the page where a user can delete an existing Community
@@ -22,8 +23,10 @@ export class DeleteCommunityPageComponent extends DeleteComColPageComponent<Comm
     protected router: Router,
     protected route: ActivatedRoute,
     protected notifications: NotificationsService,
-    protected translate: TranslateService
+    protected translate: TranslateService,
+    protected requestService: RequestService
   ) {
-    super(dsoDataService, router, route, notifications, translate);
+    super(dsoDataService, router, route, notifications, translate, requestService);
   }
+
 }

src/app/+community-page/edit-community-page/community-curate/community-curate.component.spec.ts

@@ -17,7 +17,7 @@ describe('CommunityCurateComponent', () => {
   let dsoNameService;
 
   const community = Object.assign(new Community(), {
-    handle: '123456789/1', metadata: {'dc.title': ['Community Name']}
+    metadata: {'dc.title': ['Community Name'], 'dc.identifier.uri': [ { value: '123456789/1'}]}
   });
 
   beforeEach(async(() => {

src/app/+item-page/edit-item-page/abstract-item-update/abstract-item-update.component.ts

@@ -48,7 +48,7 @@ export class AbstractItemUpdateComponent extends AbstractTrackableComponent impl
   ngOnInit(): void {
     observableCombineLatest(this.route.data, this.route.parent.data).pipe(
       map(([data, parentData]) => Object.assign({}, data, parentData)),
-      map((data) => data.item),
+      map((data) => data.dso),
       first(),
       map((data: RemoteData<Item>) => data.payload)
     ).subscribe((item: Item) => {

src/app/+item-page/edit-item-page/edit-item-page.component.ts

@@ -47,7 +47,7 @@ export class EditItemPageComponent implements OnInit {
     this.pages = this.route.routeConfig.children
       .map((child: any) => child.path)
       .filter((path: string) => isNotEmpty(path)); // ignore reroutes
-    this.itemRD$ = this.route.data.pipe(map((data) => data.item));
+    this.itemRD$ = this.route.data.pipe(map((data) => data.dso));
   }
 
   /**

src/app/+item-page/edit-item-page/item-authorizations/item-authorizations.component.spec.ts

@@ -74,7 +74,7 @@ describe('ItemAuthorizationsComponent test suite', () => {
 
   const routeStub = {
     data: observableOf({
-      item: createSuccessfulRemoteDataObject(item)
+      dso: createSuccessfulRemoteDataObject(item)
     })
   };
 

src/app/+item-page/edit-item-page/item-authorizations/item-authorizations.component.ts

@@ -75,7 +75,7 @@ export class ItemAuthorizationsComponent implements OnInit, OnDestroy {
    */
   ngOnInit(): void {
     this.item$ = this.route.data.pipe(
-      map((data) => data.item),
+      map((data) => data.dso),
       getFirstSucceededRemoteDataWithNotEmptyPayload(),
       map((item: Item) => this.linkService.resolveLink(
         item,

src/app/+item-page/edit-item-page/item-bitstreams/item-bitstreams.component.spec.ts

@@ -140,7 +140,7 @@ describe('ItemBitstreamsComponent', () => {
     });
     route = Object.assign({
       parent: {
-        data: observableOf({ item: createMockRD(item) })
+        data: observableOf({ dso: createMockRD(item) })
       },
       data: observableOf({}),
       url: url

src/app/+item-page/edit-item-page/item-collection-mapper/item-collection-mapper.component.spec.ts

@@ -89,7 +89,7 @@ describe('ItemCollectionMapperComponent', () => {
     clearDiscoveryRequests: () => {}
     /* tslint:enable:no-empty */
   });
-  const activatedRouteStub = new ActivatedRouteStub({}, { item: mockItemRD });
+  const activatedRouteStub = new ActivatedRouteStub({}, { dso: mockItemRD });
   const translateServiceStub = {
     get: () => of('test-message of item ' + mockItem.name),
     onLangChange: new EventEmitter(),

src/app/+item-page/edit-item-page/item-collection-mapper/item-collection-mapper.component.ts

@@ -92,7 +92,7 @@ export class ItemCollectionMapperComponent implements OnInit {
   }
 
   ngOnInit(): void {
-    this.itemRD$ = this.route.data.pipe(map((data) => data.item)).pipe(getSucceededRemoteData()) as Observable<RemoteData<Item>>;
+    this.itemRD$ = this.route.data.pipe(map((data) => data.dso)).pipe(getSucceededRemoteData()) as Observable<RemoteData<Item>>;
     this.searchOptions$ = this.searchConfigService.paginatedSearchOptions;
     this.loadCollectionLists();
   }

src/app/+item-page/edit-item-page/item-delete/item-delete.component.spec.ts

@@ -138,7 +138,7 @@ describe('ItemDeleteComponent', () => {
 
     routeStub = {
       data: observableOf({
-        item: createSuccessfulRemoteDataObject(mockItem)
+        dso: createSuccessfulRemoteDataObject(mockItem)
       })
     };
 

src/app/+item-page/edit-item-page/item-metadata/edit-in-place-field/edit-in-place-field.component.html

@@ -4,7 +4,7 @@
             <span>{{metadata?.key?.split('.').join('.&#8203;')}}</span>
         </div>
         <div *ngIf="(editable | async)" class="field-container">
-            <ds-filter-input-suggestions [suggestions]="(metadataFieldSuggestions | async)"
+            <ds-validation-suggestions [suggestions]="(metadataFieldSuggestions | async)"
                                          [(ngModel)]="metadata.key"
                                          [url]="this.url"
                                          [metadata]="this.metadata"
@@ -17,7 +17,7 @@
                                   [valid]="(valid | async) !== false"
                                   dsAutoFocus autoFocusSelector=".suggestion_input"
                                   [ngModelOptions]="{standalone: true}"
-            ></ds-filter-input-suggestions>
+            ></ds-validation-suggestions>
         </div>
         <small class="text-danger"
                *ngIf="(valid | async) === false">{{"item.edit.metadata.metadatafield.invalid" | translate}}</small>

src/app/+item-page/edit-item-page/item-metadata/edit-in-place-field/edit-in-place-field.component.spec.ts

@@ -20,9 +20,9 @@ import {
 } from '../../../../shared/remote-data.utils';
 import { followLink } from '../../../../shared/utils/follow-link-config.model';
 import { EditInPlaceFieldComponent } from './edit-in-place-field.component';
-import { FilterInputSuggestionsComponent } from '../../../../shared/input-suggestions/filter-suggestions/filter-input-suggestions.component';
 import { MockComponent, MockDirective } from 'ng-mocks';
 import { DebounceDirective } from '../../../../shared/utils/debounce.directive';
+import { ValidationSuggestionsComponent } from '../../../../shared/input-suggestions/validation-suggestions/validation-suggestions.component';
 
 let comp: EditInPlaceFieldComponent;
 let fixture: ComponentFixture<EditInPlaceFieldComponent>;
@@ -88,7 +88,7 @@ describe('EditInPlaceFieldComponent', () => {
       declarations: [
         EditInPlaceFieldComponent,
         MockDirective(DebounceDirective),
-        MockComponent(FilterInputSuggestionsComponent)
+        MockComponent(ValidationSuggestionsComponent)
       ],
       providers: [
         { provide: RegistryService, useValue: metadataFieldService },

src/app/+item-page/edit-item-page/item-metadata/item-metadata.component.spec.ts

@@ -130,7 +130,7 @@ describe('ItemMetadataComponent', () => {
       routeStub = {
         data: observableOf({}),
         parent: {
-          data: observableOf({ item: createSuccessfulRemoteDataObject(item) })
+          data: observableOf({ dso: createSuccessfulRemoteDataObject(item) })
         }
       };
       paginatedMetadataFields = new PaginatedList(undefined, [mdField1, mdField2, mdField3]);

src/app/+item-page/edit-item-page/item-move/item-move.component.spec.ts

@@ -44,7 +44,7 @@ describe('ItemMoveComponent', () => {
 
   const routeStub = {
     data: observableOf({
-      item: new RemoteData(false, false, true, null, {
+      dso: new RemoteData(false, false, true, null, {
         id: 'item1'
       })
     })

src/app/+item-page/edit-item-page/item-move/item-move.component.ts

@@ -55,7 +55,7 @@ export class ItemMoveComponent implements OnInit {
   }
 
   ngOnInit(): void {
-    this.itemRD$ = this.route.data.pipe(map((data) => data.item), getSucceededRemoteData()) as Observable<RemoteData<Item>>;
+    this.itemRD$ = this.route.data.pipe(map((data) => data.dso), getSucceededRemoteData()) as Observable<RemoteData<Item>>;
     this.itemRD$.subscribe((rd) => {
         this.itemId = rd.payload.id;
       }

src/app/+item-page/edit-item-page/item-private/item-private.component.spec.ts

@@ -51,7 +51,7 @@ describe('ItemPrivateComponent', () => {
 
     routeStub = {
       data: observableOf({
-        item: createSuccessfulRemoteDataObject({
+        dso: createSuccessfulRemoteDataObject({
           id: 'fake-id'
         })
       })

src/app/+item-page/edit-item-page/item-public/item-public.component.spec.ts

@@ -51,7 +51,7 @@ describe('ItemPublicComponent', () => {
 
     routeStub = {
       data: observableOf({
-        item: createSuccessfulRemoteDataObject({
+        dso: createSuccessfulRemoteDataObject({
           id: 'fake-id'
         })
       })

src/app/+item-page/edit-item-page/item-reinstate/item-reinstate.component.spec.ts

@@ -51,7 +51,7 @@ describe('ItemReinstateComponent', () => {
 
     routeStub = {
       data: observableOf({
-        item: createSuccessfulRemoteDataObject({
+        dso: createSuccessfulRemoteDataObject({
           id: 'fake-id'
         })
       })

src/app/+item-page/edit-item-page/item-relationships/edit-relationship-list/edit-relationship-list.component.html

@@ -1,15 +1,26 @@
-<h5>{{getRelationshipMessageKey() | async | translate}}</h5>
+<h5>
+    {{getRelationshipMessageKey() | async | translate}}
+    <button class="ml-2 btn btn-success" (click)="openLookup()">
+        <i class="fas fa-plus"></i>
+        <span class="d-none d-sm-inline">&nbsp;{{"item.edit.relationships.edit.buttons.add" | translate}}</span>
+    </button>
+</h5>
 <ng-container *ngVar="updates$ | async as updates">
     <ng-container *ngIf="updates">
         <ng-container *ngVar="updates | dsObjectValues as updateValues">
             <ds-edit-relationship *ngFor="let updateValue of updateValues; trackBy: trackUpdate"
-                                  class="relationship-row d-block"
+                                  class="relationship-row d-block alert"
-                                  [fieldUpdate]="updateValue"
+                                  [fieldUpdate]="updateValue || {}"
                                   [url]="url"
                                   [editItem]="item"
-                                  [ngClass]="{'alert alert-danger': updateValue?.changeType === 2}">
+                                  [ngClass]="{
+                                        'alert-success': updateValue.changeType === 1,
+                                        'alert-warning': updateValue.changeType === 0,
+                                        'alert-danger': updateValue.changeType === 2
+                                  }">
             </ds-edit-relationship>
+            <div *ngIf="updateValues.length === 0">{{"item.edit.relationships.no-relationships" | translate}}</div>
         </ng-container>
     </ng-container>
-    <div *ngIf="!updates">no relationships</div>
+    <ds-loading *ngIf="!updates"></ds-loading>
 </ng-container>

src/app/+item-page/edit-item-page/item-relationships/edit-relationship-list/edit-relationship-list.component.scss

@@ -1,8 +1,8 @@
-.relationship-row:not(.alert-danger) {
+.relationship-row:not(.alert) {
   padding: $alert-padding-y 0;
 }
 
-.relationship-row.alert-danger {
+.relationship-row.alert {
   margin-left: -$alert-padding-x;
   margin-right: -$alert-padding-x;
   margin-top: -1px;

src/app/+item-page/edit-item-page/item-relationships/edit-relationship-list/edit-relationship-list.component.spec.ts

@@ -1,5 +1,5 @@
 import { DebugElement, NO_ERRORS_SCHEMA } from '@angular/core';
-import { ComponentFixture, TestBed } from '@angular/core/testing';
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
 import { By } from '@angular/platform-browser';
 import { TranslateModule } from '@ngx-translate/core';
 import { of as observableOf } from 'rxjs/internal/observable/of';
@@ -8,6 +8,7 @@ import { FieldChangeType } from '../../../../core/data/object-updates/object-upd
 import { ObjectUpdatesService } from '../../../../core/data/object-updates/object-updates.service';
 import { PaginatedList } from '../../../../core/data/paginated-list';
 import { RelationshipTypeService } from '../../../../core/data/relationship-type.service';
+import { RelationshipService } from '../../../../core/data/relationship.service';
 import { RemoteData } from '../../../../core/data/remote-data';
 import { ItemType } from '../../../../core/shared/item-relationships/item-type.model';
 import { RelationshipType } from '../../../../core/shared/item-relationships/relationship-type.model';
@@ -15,6 +16,7 @@ import { Relationship } from '../../../../core/shared/item-relationships/relatio
 import { Item } from '../../../../core/shared/item.model';
 import { PageInfo } from '../../../../core/shared/page-info.model';
 import { getMockLinkService } from '../../../../shared/mocks/link-service.mock';
+import { SelectableListService } from '../../../../shared/object-list/selectable-list/selectable-list.service';
 import { SharedModule } from '../../../../shared/shared.module';
 import { EditRelationshipListComponent } from './edit-relationship-list.component';
 
@@ -22,72 +24,123 @@ let comp: EditRelationshipListComponent;
 let fixture: ComponentFixture<EditRelationshipListComponent>;
 let de: DebugElement;
 
+let linkService;
 let objectUpdatesService;
-let entityTypeService;
+let relationshipService;
+let selectableListService;
 
 const url = 'http://test-url.com/test-url';
 
 let item;
+let entityType;
+let relatedEntityType;
 let author1;
 let author2;
 let fieldUpdate1;
 let fieldUpdate2;
-let relationship1;
+let relationships;
-let relationship2;
 let relationshipType;
-let entityType;
-let relatedEntityType;
 
 describe('EditRelationshipListComponent', () => {
 
-  beforeEach(() => {
+  beforeEach(async(() => {
 
     entityType = Object.assign(new ItemType(), {
-      id: 'entityType',
+      id: 'Publication',
+      uuid: 'Publication',
+      label: 'Publication',
     });
 
     relatedEntityType = Object.assign(new ItemType(), {
-      id: 'relatedEntityType',
+      id: 'Author',
+      uuid: 'Author',
+      label: 'Author',
     });
 
     relationshipType = Object.assign(new RelationshipType(), {
       id: '1',
       uuid: '1',
+      leftType: observableOf(new RemoteData(
+          false,
+          false,
+          true,
+          undefined,
+          entityType,
+        )),
+      rightType: observableOf(new RemoteData(
+          false,
+          false,
+          true,
+          undefined,
+          relatedEntityType,
+        )),
       leftwardType: 'isAuthorOfPublication',
       rightwardType: 'isPublicationOfAuthor',
-      leftType: observableOf(new RemoteData(false, false, true, undefined, entityType)),
-      rightType: observableOf(new RemoteData(false, false, true, undefined, relatedEntityType)),
     });
 
-    relationship1 = Object.assign(new Relationship(), {
+    author1 = Object.assign(new Item(), {
-      _links: {
+      id: 'author1',
-        self: {
+      uuid: 'author1'
-          href: url + '/2'
+    });
-        }
+    author2 = Object.assign(new Item(), {
-      },
+      id: 'author2',
+      uuid: 'author2'
+    });
+
+    relationships = [
+      Object.assign(new Relationship(), {
+        self: url + '/2',
         id: '2',
         uuid: '2',
-      leftId: 'author1',
+        relationshipType: observableOf(new RemoteData(
-      rightId: 'publication',
+          false,
-      leftItem: observableOf(new RemoteData(false, false, true, undefined, item)),
+          false,
-      rightItem: observableOf(new RemoteData(false, false, true, undefined, author1)),
+          true,
-      relationshipType: observableOf(new RemoteData(false, false, true, undefined, relationshipType))
+          undefined,
-    });
+          relationshipType
-
+        )),
-    relationship2 = Object.assign(new Relationship(), {
+        leftItem: observableOf(new RemoteData(
-      _links: {
+          false,
-        self: {
+          false,
-          href: url + '/3'
+          true,
-        }
+          undefined,
-      },
+          item,
+        )),
+        rightItem: observableOf(new RemoteData(
+          false,
+          false,
+          true,
+          undefined,
+          author1,
+        )),
+      }),
+      Object.assign(new Relationship(), {
+        self: url + '/3',
         id: '3',
         uuid: '3',
-      leftId: 'author2',
+        relationshipType: observableOf(new RemoteData(
-      rightId: 'publication',
+          false,
-      leftItem: observableOf(new RemoteData(false, false, true, undefined, item)),
+          false,
-      rightItem: observableOf(new RemoteData(false, false, true, undefined, author2)),
+          true,
-      relationshipType: observableOf(new RemoteData(false, false, true, undefined, relationshipType))
+          undefined,
-    });
+          relationshipType
+        )),
+        leftItem: observableOf(new RemoteData(
+          false,
+          false,
+          true,
+          undefined,
+          item,
+        )),
+        rightItem: observableOf(new RemoteData(
+          false,
+          false,
+          true,
+          undefined,
+          author2,
+        )),
+      })
+    ];
 
     item = Object.assign(new Item(), {
       _links: {
@@ -100,84 +153,82 @@ describe('EditRelationshipListComponent', () => {
         false,
         true,
         undefined,
-        new PaginatedList(new PageInfo(), [relationship1, relationship2])
+        new PaginatedList(new PageInfo(), relationships),
       ))
     });
 
-    author1 = Object.assign(new Item(), {
-      id: 'author1',
-      uuid: 'author1'
-    });
-    author2 = Object.assign(new Item(), {
-      id: 'author2',
-      uuid: 'author2'
-    });
-
     fieldUpdate1 = {
-      field: author1,
+      field: {
+        uuid: relationships[0].uuid,
+        relationship: relationships[0],
+        type: relationshipType,
+      },
       changeType: undefined
     };
     fieldUpdate2 = {
-      field: author2,
+      field: {
+        uuid: relationships[1].uuid,
+        relationship: relationships[1],
+        type: relationshipType,
+      },
       changeType: FieldChangeType.REMOVE
     };
 
     objectUpdatesService = jasmine.createSpyObj('objectUpdatesService',
       {
         getFieldUpdates: observableOf({
-          [author1.uuid]: fieldUpdate1,
+          [relationships[0].uuid]: fieldUpdate1,
-          [author2.uuid]: fieldUpdate2
+          [relationships[1].uuid]: fieldUpdate2
         })
       }
     );
 
-    entityTypeService = jasmine.createSpyObj('entityTypeService',
+    relationshipService = jasmine.createSpyObj('relationshipService',
       {
-        getEntityTypeByLabel: observableOf(new RemoteData(
+        getRelatedItemsByLabel: observableOf(new RemoteData(false, false, true, null, new PaginatedList(new PageInfo(), [author1, author2]))),
-          false,
+        getItemRelationshipsByLabel: observableOf(new RemoteData(false, false, true, null, new PaginatedList(new PageInfo(), relationships))),
-          false,
+        isLeftItem: observableOf(true),
-          true,
-          null,
-          entityType,
-        )),
-        getEntityTypeRelationships: observableOf(new RemoteData(
-          false,
-          false,
-          true,
-          null,
-          new PaginatedList(new PageInfo(), [relationshipType]),
-        )),
       }
     );
 
+    selectableListService = {};
+
+    linkService = {
+      resolveLink: () => null,
+      resolveLinks: () => null,
+    };
+
     TestBed.configureTestingModule({
       imports: [SharedModule, TranslateModule.forRoot()],
       declarations: [EditRelationshipListComponent],
       providers: [
         { provide: ObjectUpdatesService, useValue: objectUpdatesService },
-        { provide: RelationshipTypeService, useValue: {} },
+        { provide: RelationshipService, useValue: relationshipService },
-        { provide: LinkService, useValue: getMockLinkService() },
+        { provide: SelectableListService, useValue: selectableListService },
+        { provide: LinkService, useValue: linkService },
       ], schemas: [
         NO_ERRORS_SCHEMA
       ]
     }).compileComponents();
+  }));
 
+  beforeEach(() => {
     fixture = TestBed.createComponent(EditRelationshipListComponent);
     comp = fixture.componentInstance;
     de = fixture.debugElement;
-
     comp.item = item;
     comp.itemType = entityType;
     comp.url = url;
     comp.relationshipType = relationshipType;
-
     fixture.detectChanges();
   });
 
   describe('changeType is REMOVE', () => {
-    it('the div should have class alert-danger', () => {
+    beforeEach(() => {
-
       fieldUpdate1.changeType = FieldChangeType.REMOVE;
+      fixture.detectChanges();
+    });
+    it('the div should have class alert-danger', () => {
       const element = de.queryAll(By.css('.relationship-row'))[1].nativeElement;
       expect(element.classList).toContain('alert-danger');
     });

src/app/+item-page/edit-item-page/item-relationships/edit-relationship-list/edit-relationship-list.component.ts

@@ -1,10 +1,22 @@
 import { Component, Input, OnInit } from '@angular/core';
+import { NgbModal, NgbModalRef } from '@ng-bootstrap/ng-bootstrap';
 import { LinkService } from '../../../../core/cache/builders/link.service';
+import { FieldChangeType } from '../../../../core/data/object-updates/object-updates.actions';
 import { ObjectUpdatesService } from '../../../../core/data/object-updates/object-updates.service';
 import { Observable } from 'rxjs/internal/Observable';
-import {FieldUpdate, FieldUpdates} from '../../../../core/data/object-updates/object-updates.reducer';
+import {
+  FieldUpdate,
+  FieldUpdates,
+  RelationshipIdentifiable
+} from '../../../../core/data/object-updates/object-updates.reducer';
+import { RelationshipService } from '../../../../core/data/relationship.service';
 import {Item} from '../../../../core/shared/item.model';
-import { map, switchMap, tap } from 'rxjs/operators';
+import {
+  defaultIfEmpty, filter, flatMap,
+  map,
+  switchMap,
+  take, tap,
+} from 'rxjs/operators';
 import { hasValue } from '../../../../shared/empty.util';
 import {Relationship} from '../../../../core/shared/item-relationships/relationship.model';
 import {RelationshipType} from '../../../../core/shared/item-relationships/relationship-type.model';
@@ -13,8 +25,13 @@ import {
   getRemoteDataPayload,
   getSucceededRemoteData
 } from '../../../../core/shared/operators';
-import { combineLatest as observableCombineLatest } from 'rxjs';
+import { combineLatest as observableCombineLatest, of } from 'rxjs';
 import { ItemType } from '../../../../core/shared/item-relationships/item-type.model';
+import { DsDynamicLookupRelationModalComponent } from '../../../../shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/dynamic-lookup-relation-modal.component';
+import { RelationshipOptions } from '../../../../shared/form/builder/models/relationship-options.model';
+import { ItemSearchResult } from '../../../../shared/object-collection/shared/item-search-result.model';
+import { SelectableListService } from '../../../../shared/object-list/selectable-list/selectable-list.service';
+import { SearchResult } from '../../../../shared/search/search-result.model';
 import { followLink } from '../../../../shared/utils/follow-link-config.model';
 
 @Component({
@@ -46,14 +63,29 @@ export class EditRelationshipListComponent implements OnInit {
    */
   @Input() relationshipType: RelationshipType;
 
+  private relatedEntityType$: Observable<ItemType>;
+
+  /**
+   * The list ID to save selected entities under
+   */
+  listId: string;
+
   /**
    * The FieldUpdates for the relationships in question
    */
   updates$: Observable<FieldUpdates>;
 
+  /**
+   * A reference to the lookup window
+   */
+  modalRef: NgbModalRef;
+
   constructor(
     protected objectUpdatesService: ObjectUpdatesService,
-    protected linkService: LinkService
+    protected linkService: LinkService,
+    protected relationshipService: RelationshipService,
+    protected modalService: NgbModal,
+    protected selectableListService: SelectableListService,
   ) {
   }
 
@@ -62,10 +94,18 @@ export class EditRelationshipListComponent implements OnInit {
    */
   public getRelationshipMessageKey(): Observable<string> {
 
-    return this.getLabel().pipe(
+    return observableCombineLatest(
-      map((label) => {
+      this.getLabel(),
-        if (hasValue(label) && label.indexOf('Of') > -1) {
+      this.relatedEntityType$,
-          return `relationships.${label.substring(0, label.indexOf('Of') + 2)}`
+    ).pipe(
+      map(([label, relatedEntityType]) => {
+        if (hasValue(label) && label.indexOf('is') > -1 && label.indexOf('Of') > -1) {
+          const relationshipLabel = `${label.substring(2, label.indexOf('Of'))}`;
+          if (relationshipLabel !== relatedEntityType.label) {
+            return `relationships.is${relationshipLabel}Of.${relatedEntityType.label}`
+          } else {
+            return `relationships.is${relationshipLabel}Of`
+          }
         } else {
           return label;
         }
@@ -77,7 +117,6 @@ export class EditRelationshipListComponent implements OnInit {
    * Get the relevant label for this relationship type
    */
   private getLabel(): Observable<string> {
-
     return observableCombineLatest([
       this.relationshipType.leftType,
       this.relationshipType.rightType,
@@ -99,19 +138,197 @@ export class EditRelationshipListComponent implements OnInit {
     return update && update.field ? update.field.uuid : undefined;
   }
 
+  /**
+   * Open the dynamic lookup modal to search for items to add as relationships
+   */
+  openLookup() {
+
+    this.modalRef = this.modalService.open(DsDynamicLookupRelationModalComponent, {
+      size: 'lg'
+    });
+    const modalComp: DsDynamicLookupRelationModalComponent = this.modalRef.componentInstance;
+    modalComp.repeatable = true;
+    modalComp.listId = this.listId;
+    modalComp.item = this.item;
+    modalComp.select = (...selectableObjects: Array<SearchResult<Item>>) => {
+      selectableObjects.forEach((searchResult) => {
+        const relatedItem: Item = searchResult.indexableObject;
+        this.getFieldUpdatesForRelatedItem(relatedItem)
+          .subscribe((identifiables) => {
+            identifiables.forEach((identifiable) =>
+              this.objectUpdatesService.removeSingleFieldUpdate(this.url, identifiable.uuid)
+            );
+            if (identifiables.length === 0) {
+              this.relationshipService.getNameVariant(this.listId, relatedItem.uuid)
+                .subscribe((nameVariant) => {
+                  const update = {
+                    uuid: this.relationshipType.id + '-' + relatedItem.uuid,
+                    nameVariant,
+                    type: this.relationshipType,
+                    relatedItem,
+                  } as RelationshipIdentifiable;
+                  this.objectUpdatesService.saveAddFieldUpdate(this.url, update);
+                })
+            }
+          });
+      })
+    };
+    modalComp.deselect = (...selectableObjects: Array<SearchResult<Item>>) => {
+      selectableObjects.forEach((searchResult) => {
+        const relatedItem: Item = searchResult.indexableObject;
+        this.objectUpdatesService.removeSingleFieldUpdate(this.url, this.relationshipType.id + '-' + relatedItem.uuid);
+        this.getFieldUpdatesForRelatedItem(relatedItem)
+          .subscribe((identifiables) =>
+            identifiables.forEach((identifiable) =>
+              this.objectUpdatesService.saveRemoveFieldUpdate(this.url, identifiable)
+            )
+          );
+      })
+    };
+    this.relatedEntityType$
+      .pipe(take(1))
+      .subscribe((relatedEntityType) => {
+        modalComp.relationshipOptions = Object.assign(
+          new RelationshipOptions(), {
+            relationshipType: relatedEntityType.label,
+            // filter: this.getRelationshipMessageKey(),
+            searchConfiguration: relatedEntityType.label.toLowerCase(),
+            nameVariants: true,
+          }
+        );
+      });
+
+    this.selectableListService.deselectAll(this.listId);
+    this.updates$.pipe(
+      switchMap((updates) =>
+        Object.values(updates).length > 0 ?
+          observableCombineLatest(
+            Object.values(updates)
+              .filter((update) => update.changeType !== FieldChangeType.REMOVE)
+              .map((update) => {
+                const field = update.field as RelationshipIdentifiable;
+                if (field.relationship) {
+                  return this.getRelatedItem(field.relationship);
+                } else {
+                  return of(field.relatedItem);
+                }
+              })
+          ) : of([])
+      ),
+      take(1),
+      map((items) => items.map((item) => {
+        const searchResult = new ItemSearchResult();
+        searchResult.indexableObject = item;
+        searchResult.hitHighlights = {};
+        return searchResult;
+      })),
+    ).subscribe((items) => {
+      this.selectableListService.select(this.listId, items);
+    });
+  }
+
+  /**
+   * Get the existing field updates regarding a relationship with a given item
+   * @param relatedItem The item for which to get the existing field updates
+   */
+  private getFieldUpdatesForRelatedItem(relatedItem: Item): Observable<RelationshipIdentifiable[]> {
+
+    return this.updates$.pipe(
+      take(1),
+      map((updates) => Object.values(updates)
+        .map((update) => update.field as RelationshipIdentifiable)
+        .filter((field) => field.relationship)
+      ),
+      flatMap((identifiables) =>
+        observableCombineLatest(
+          identifiables.map((identifiable) => this.getRelatedItem(identifiable.relationship))
+        ).pipe(
+          defaultIfEmpty([]),
+          map((relatedItems) =>
+            identifiables.filter((identifiable, index) => relatedItems[index].uuid === relatedItem.uuid)
+          ),
+        )
+      ),
+    );
+  }
+
+  /**
+   * Get the related item for a given relationship
+   * @param relationship  The relationship for which to get the related item
+   */
+  private getRelatedItem(relationship: Relationship): Observable<Item> {
+    return this.relationshipService.isLeftItem(relationship, this.item).pipe(
+      switchMap((isLeftItem) => isLeftItem ? relationship.rightItem : relationship.leftItem),
+      getSucceededRemoteData(),
+      getRemoteDataPayload(),
+    )
+  }
+
   ngOnInit(): void {
-    this.updates$ = this.item.relationships.pipe(
+
+    this.relatedEntityType$ =
+      observableCombineLatest([
+        this.relationshipType.leftType,
+        this.relationshipType.rightType,
+      ].map((type) => type.pipe(
+        getSucceededRemoteData(),
+        getRemoteDataPayload(),
+      ))).pipe(
+        map((relatedTypes) => relatedTypes.find((relatedType) => relatedType.uuid !== this.itemType.uuid)),
+      );
+
+    this.relatedEntityType$.pipe(
+      take(1)
+    ).subscribe(
+      (relatedEntityType) => this.listId = `edit-relationship-${this.itemType.id}-${relatedEntityType.id}`
+    );
+
+    this.updates$ = this.getItemRelationships().pipe(
+      switchMap((relationships) =>
+        observableCombineLatest(
+          relationships.map((relationship) => this.relationshipService.isLeftItem(relationship, this.item))
+        ).pipe(
+          defaultIfEmpty([]),
+          map((isLeftItemArray) => isLeftItemArray.map((isLeftItem, index) => {
+            const relationship = relationships[index];
+            const nameVariant = isLeftItem ? relationship.rightwardValue : relationship.leftwardValue;
+            return {
+              uuid: relationship.id,
+              type: this.relationshipType,
+              relationship,
+              nameVariant,
+            } as RelationshipIdentifiable
+          })),
+        )),
+      switchMap((initialFields) => this.objectUpdatesService.getFieldUpdates(this.url, initialFields).pipe(
+        map((fieldUpdates) => {
+          const fieldUpdatesFiltered: FieldUpdates = {};
+          Object.keys(fieldUpdates).forEach((uuid) => {
+            const field = fieldUpdates[uuid].field;
+            if ((field as RelationshipIdentifiable).type.id === this.relationshipType.id) {
+              fieldUpdatesFiltered[uuid] = fieldUpdates[uuid];
+            }
+          });
+          return fieldUpdatesFiltered;
+        }),
+      )),
+    );
+  }
+
+  private getItemRelationships() {
+    this.linkService.resolveLink(this.item, followLink('relationships'));
+    return this.item.relationships.pipe(
       getAllSucceededRemoteData(),
       map((relationships) => relationships.payload.page.filter((relationship) => relationship)),
-      map((relationships: Relationship[]) =>
+      filter((relationships) => relationships.every((relationship) => !!relationship)),
-        relationships.map((relationship: Relationship) => {
+      tap((relationships: Relationship[]) =>
+        relationships.forEach((relationship: Relationship) => {
           this.linkService.resolveLinks(
             relationship,
             followLink('relationshipType'),
             followLink('leftItem'),
             followLink('rightItem'),
           );
-          return relationship;
         })
       ),
       switchMap((itemRelationships: Relationship[]) =>
@@ -122,15 +339,12 @@ export class EditRelationshipListComponent implements OnInit {
               getRemoteDataPayload(),
             ))
         ).pipe(
+          defaultIfEmpty([]),
           map((relationshipTypes) => itemRelationships.filter(
             (relationship, index) => relationshipTypes[index].id === this.relationshipType.id)
           ),
-          map((relationships) => relationships.map((relationship) =>
-            Object.assign(new Relationship(), relationship, {uuid: relationship.id})
-          )),
         )
       ),
-      switchMap((initialFields) => this.objectUpdatesService.getFieldUpdates(this.url, initialFields)),
     );
   }
 }

src/app/+item-page/edit-item-page/item-relationships/edit-relationship/edit-relationship.component.html

@@ -1,6 +1,11 @@
 <div class="row" *ngIf="relatedItem$ | async">
   <div class="col-10 relationship">
-    <ds-listable-object-component-loader [object]="relatedItem$ | async" [viewMode]="viewMode"></ds-listable-object-component-loader>
+    <ds-listable-object-component-loader
+      [object]="relatedItem$ | async"
+      [viewMode]="viewMode"
+      [value]="nameVariant"
+    >
+    </ds-listable-object-component-loader>
   </div>
   <div class="col-2">
     <div class="btn-group relationship-action-buttons">

src/app/+item-page/edit-item-page/item-relationships/edit-relationship/edit-relationship.component.spec.ts

@@ -1,5 +1,5 @@
 import { NO_ERRORS_SCHEMA } from '@angular/core';
-import { async, TestBed } from '@angular/core/testing';
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
 import { TranslateModule } from '@ngx-translate/core';
 import { of as observableOf } from 'rxjs/internal/observable/of';
 import { FieldChangeType } from '../../../../core/data/object-updates/object-updates.actions';
@@ -25,7 +25,7 @@ let fieldUpdate2;
 let relationships;
 let relationshipType;
 
-let fixture;
+let fixture: ComponentFixture<EditRelationshipComponent>;
 let comp: EditRelationshipComponent;
 let de;
 let el;
@@ -91,11 +91,17 @@ describe('EditRelationshipComponent', () => {
     });
 
     fieldUpdate1 = {
-      field: relationships[0],
+      field: {
+        uuid: relationships[0].uuid,
+        relationship: relationships[0],
+      },
       changeType: undefined
     };
     fieldUpdate2 = {
-      field: relationships[1],
+      field: {
+        uuid: relationships[1].uuid,
+        relationship: relationships[1],
+      },
       changeType: FieldChangeType.REMOVE
     };
 

src/app/+item-page/edit-item-page/item-relationships/edit-relationship/edit-relationship.component.ts

@@ -1,10 +1,13 @@
 import { Component, Input, OnChanges, OnInit } from '@angular/core';
-import { combineLatest as observableCombineLatest, Observable } from 'rxjs';
+import { combineLatest as observableCombineLatest, Observable, of } from 'rxjs';
 import { filter, map, switchMap, take, tap } from 'rxjs/operators';
 import { FieldChangeType } from '../../../../core/data/object-updates/object-updates.actions';
-import { DeleteRelationship, FieldUpdate } from '../../../../core/data/object-updates/object-updates.reducer';
+import {
+  DeleteRelationship,
+  FieldUpdate,
+  RelationshipIdentifiable
+} from '../../../../core/data/object-updates/object-updates.reducer';
 import { ObjectUpdatesService } from '../../../../core/data/object-updates/object-updates.service';
-import { Relationship } from '../../../../core/shared/item-relationships/relationship.model';
 import { Item } from '../../../../core/shared/item.model';
 import { getRemoteDataPayload, getSucceededRemoteData } from '../../../../core/shared/operators';
 import { ViewMode } from '../../../../core/shared/view-mode.model';
@@ -36,8 +39,16 @@ export class EditRelationshipComponent implements OnChanges {
   /**
    * The relationship being edited
    */
-  get relationship(): Relationship {
+  get relationship() {
-    return this.fieldUpdate.field as Relationship;
+    return this.update.relationship;
+  }
+
+  get update() {
+    return this.fieldUpdate.field as RelationshipIdentifiable;
+  }
+
+  get nameVariant() {
+    return this.update.nameVariant;
   }
 
   public leftItem$: Observable<Item>;
@@ -68,6 +79,7 @@ export class EditRelationshipComponent implements OnChanges {
    * Sets the current relationship based on the fieldUpdate input field
    */
   ngOnChanges(): void {
+    if (this.relationship) {
       this.leftItem$ = this.relationship.leftItem.pipe(
         getSucceededRemoteData(),
         getRemoteDataPayload(),
@@ -86,6 +98,9 @@ export class EditRelationshipComponent implements OnChanges {
           items.find((item) => item.uuid !== this.editItem.uuid)
         )
       );
+    } else {
+      this.relatedItem$ = of(this.update.relatedItem);
+    }
   }
 
   /**
@@ -136,7 +151,8 @@ export class EditRelationshipComponent implements OnChanges {
    * Check if a user should be allowed to remove this field
    */
   canRemove(): boolean {
-    return this.fieldUpdate.changeType !== FieldChangeType.REMOVE;
+    return this.fieldUpdate.changeType !== FieldChangeType.REMOVE
+      && this.fieldUpdate.changeType !== FieldChangeType.ADD;
   }
 
   /**

src/app/+item-page/edit-item-page/item-relationships/item-relationships.component.html

@@ -19,14 +19,19 @@
           <span class="d-none d-sm-inline">&nbsp;{{"item.edit.metadata.save-button" | translate}}</span>
         </button>
       </div>
-      <div *ngFor="let relationshipType of relationshipTypes$ | async" class="mb-4">
+      <ng-container *ngVar="relationshipTypes$ | async as relationshipTypes">
+        <ng-container *ngIf="relationshipTypes">
+          <div *ngFor="let relationshipType of relationshipTypes" class="mb-4">
             <ds-edit-relationship-list
               [url]="url"
               [item]="item"
-          [itemType]="entityType"
+              [itemType]="entityType$ | async"
               [relationshipType]="relationshipType"
             ></ds-edit-relationship-list>
           </div>
+        </ng-container>
+        <ds-loading *ngIf="!relationshipTypes"></ds-loading>
+      </ng-container>
       <div class="button-row bottom">
         <div class="float-right">
           <button class="btn btn-danger" *ngIf="!(isReinstatable() | async)"

src/app/+item-page/edit-item-page/item-relationships/item-relationships.component.spec.ts

@@ -142,7 +142,7 @@ describe('ItemRelationshipsComponent', () => {
     routeStub = {
       data: observableOf({}),
       parent: {
-        data: observableOf({ item: new RemoteData(false, false, true, null, item) })
+        data: observableOf({ dso: new RemoteData(false, false, true, null, item) })
       }
     };
 

src/app/+item-page/edit-item-page/item-relationships/item-relationships.component.ts

@@ -1,9 +1,14 @@
 import { ChangeDetectorRef, Component, Inject, OnDestroy } from '@angular/core';
 import { Item } from '../../../core/shared/item.model';
-import { DeleteRelationship, FieldUpdate, FieldUpdates } from '../../../core/data/object-updates/object-updates.reducer';
+import {
+  DeleteRelationship,
+  FieldUpdate,
+  FieldUpdates,
+  RelationshipIdentifiable,
+} from '../../../core/data/object-updates/object-updates.reducer';
 import { Observable } from 'rxjs/internal/Observable';
-import { filter, map, switchMap, take } from 'rxjs/operators';
+import { filter, map, startWith, switchMap, take} from 'rxjs/operators';
-import { of as observableOf, zip as observableZip} from 'rxjs';
+import { combineLatest as observableCombineLatest, of as observableOf, zip as observableZip} from 'rxjs';
 import { followLink } from '../../../shared/utils/follow-link-config.model';
 import { AbstractItemUpdateComponent } from '../abstract-item-update/abstract-item-update.component';
 import { ItemDataService } from '../../../core/data/item-data.service';
@@ -17,11 +22,9 @@ import { RemoteData } from '../../../core/data/remote-data';
 import { ObjectCacheService } from '../../../core/cache/object-cache.service';
 import { getRemoteDataPayload, getSucceededRemoteData } from '../../../core/shared/operators';
 import { RequestService } from '../../../core/data/request.service';
-import { Subscription } from 'rxjs/internal/Subscription';
 import { RelationshipType } from '../../../core/shared/item-relationships/relationship-type.model';
 import { ItemType } from '../../../core/shared/item-relationships/item-type.model';
 import { EntityTypeService } from '../../../core/data/entity-type.service';
-import { isNotEmptyOperator } from '../../../shared/empty.util';
 import { FieldChangeType } from '../../../core/data/object-updates/object-updates.actions';
 import { Relationship } from '../../../core/shared/item-relationships/relationship.model';
 
@@ -33,18 +36,18 @@ import { Relationship } from '../../../core/shared/item-relationships/relationsh
 /**
  * Component for displaying an item's relationships edit page
  */
-export class ItemRelationshipsComponent extends AbstractItemUpdateComponent implements OnDestroy {
+export class ItemRelationshipsComponent extends AbstractItemUpdateComponent {
+
+  itemRD$: Observable<RemoteData<Item>>;
 
   /**
-   * The labels of all different relations within this item
+   * The allowed relationship types for this type of item as an observable list
    */
   relationshipTypes$: Observable<RelationshipType[]>;
 
   /**
-   * A subscription that checks when the item is deleted in cache and reloads the item by sending a new request
+   * The item's entity type as an observable
-   * This is used to update the item in cache after relationships are deleted
    */
-  itemUpdateSubscription: Subscription;
   entityType$: Observable<ItemType>;
 
   constructor(
@@ -68,15 +71,29 @@ export class ItemRelationshipsComponent extends AbstractItemUpdateComponent impl
    */
   ngOnInit(): void {
     super.ngOnInit();
-    this.itemUpdateSubscription = this.requestService.hasByHrefObservable(this.item.self).pipe(
+    this.initializeItemUpdate();
+  }
+
+  /**
+   * Update the item (and view) when it's removed in the request cache
+   */
+  public initializeItemUpdate(): void {
+    this.itemRD$ = this.requestService.hasByHrefObservable(this.item.self).pipe(
       filter((exists: boolean) => !exists),
-      switchMap(() => this.itemService.findById(this.item.uuid,
+      switchMap(() => this.itemService.findById(
+        this.item.uuid,
         followLink('owningCollection'),
         followLink('bundles'),
-        followLink('relationships'))),
+        followLink('relationships')),
+      ),
+      filter((itemRD) => !!itemRD.statusCode),
+    );
+
+    this.itemRD$.pipe(
       getSucceededRemoteData(),
-    ).subscribe((itemRD: RemoteData<Item>) => {
+      getRemoteDataPayload(),
-      this.item = itemRD.payload;
+    ).subscribe((item) => {
+      this.item = item;
       this.cdr.detectChanges();
       this.initializeUpdates();
     });
@@ -125,8 +142,10 @@ export class ItemRelationshipsComponent extends AbstractItemUpdateComponent impl
    * Make sure the lists are refreshed afterwards and notifications are sent for success and errors
    */
   public submit(): void {
+
     // Get all the relationships that should be removed
-    this.relationshipService.getItemRelationshipsArray(this.item).pipe(
+    const removedRelationshipIDs$: Observable<DeleteRelationship[]> = this.relationshipService.getItemRelationshipsArray(this.item).pipe(
+      startWith([]),
       map((relationships: Relationship[]) => relationships.map((relationship) =>
         Object.assign(new Relationship(), relationship, { uuid: relationship.id })
       )),
@@ -138,10 +157,42 @@ export class ItemRelationshipsComponent extends AbstractItemUpdateComponent impl
           .filter((fieldUpdate: FieldUpdate) => fieldUpdate.changeType === FieldChangeType.REMOVE)
           .map((fieldUpdate: FieldUpdate) => fieldUpdate.field as DeleteRelationship)
       ),
-      isNotEmptyOperator(),
+    );
+
+    const addRelatedItems$: Observable<RelationshipIdentifiable[]> = this.objectUpdatesService.getFieldUpdates(this.url, []).pipe(
+      map((fieldUpdates: FieldUpdates) =>
+        Object.values(fieldUpdates)
+          .filter((fieldUpdate: FieldUpdate) => fieldUpdate.changeType === FieldChangeType.ADD)
+          .map((fieldUpdate: FieldUpdate) => fieldUpdate.field as RelationshipIdentifiable)
+      ),
+    );
+
+    observableCombineLatest(
+      removedRelationshipIDs$,
+      addRelatedItems$,
+    ).pipe(
       take(1),
-      switchMap((deleteRelationships: DeleteRelationship[]) =>
+    ).subscribe(([removeRelationshipIDs, addRelatedItems]) => {
-        observableZip(...deleteRelationships.map((deleteRelationship) => {
+      const actions = [
+        this.deleteRelationships(removeRelationshipIDs),
+        this.addRelationships(addRelatedItems),
+      ];
+      actions.forEach((action) =>
+        action.subscribe((response) => {
+          if (response.length > 0) {
+            this.itemRD$.subscribe(() => {
+              this.initializeOriginalFields();
+              this.cdr.detectChanges();
+              this.displayNotifications(response);
+            });
+          }
+        })
+      );
+    });
+  }
+
+  deleteRelationships(deleteRelationshipIDs: DeleteRelationship[]): Observable<RestResponse[]> {
+    return observableZip(...deleteRelationshipIDs.map((deleteRelationship) => {
         let copyVirtualMetadata: string;
         if (deleteRelationship.keepLeftVirtualMetadata && deleteRelationship.keepRightVirtualMetadata) {
           copyVirtualMetadata = 'all';
@@ -154,13 +205,33 @@ export class ItemRelationshipsComponent extends AbstractItemUpdateComponent impl
         }
         return this.relationshipService.deleteRelationship(deleteRelationship.uuid, copyVirtualMetadata);
       }
-        ))
+    ));
-      ),
+  }
-    ).subscribe((responses: RestResponse[]) => {
+
-      this.itemUpdateSubscription.add(() => {
+  addRelationships(addRelatedItems: RelationshipIdentifiable[]): Observable<RestResponse[]> {
-        this.displayNotifications(responses);
+    return observableZip(...addRelatedItems.map((addRelationship) =>
-      });
+      this.entityType$.pipe(
-    });
+        switchMap((entityType) => this.entityTypeService.isLeftType(addRelationship.type, entityType)),
+        switchMap((isLeftType) => {
+          let leftItem: Item;
+          let rightItem: Item;
+          let leftwardValue: string;
+          let rightwardValue: string;
+          if (isLeftType) {
+            leftItem = this.item;
+            rightItem = addRelationship.relatedItem;
+            leftwardValue = null;
+            rightwardValue = addRelationship.nameVariant;
+          } else {
+            leftItem = addRelationship.relatedItem;
+            rightItem = this.item;
+            leftwardValue = addRelationship.nameVariant;
+            rightwardValue = null;
+          }
+          return this.relationshipService.addRelationship(addRelationship.type.id, leftItem, rightItem, leftwardValue, rightwardValue);
+        }),
+      )
+    ));
   }
 
   /**
@@ -180,19 +251,14 @@ export class ItemRelationshipsComponent extends AbstractItemUpdateComponent impl
       this.notificationsService.success(this.getNotificationTitle('saved'), this.getNotificationContent('saved'));
     }
   }
-
   /**
    * Sends all initial values of this item to the object updates service
    */
   public initializeOriginalFields() {
-    const initialFields = [];
+    return this.relationshipService.getRelatedItems(this.item).pipe(
-    this.objectUpdatesService.initialize(this.url, initialFields, this.item.lastModified);
+      take(1),
-  }
+    ).subscribe((items: Item[]) => {
-
+      this.objectUpdatesService.initialize(this.url, items, this.item.lastModified);
-  /**
+    });
-   * Unsubscribe from the item update when the component is destroyed
-   */
-  ngOnDestroy(): void {
-    this.itemUpdateSubscription.unsubscribe();
   }
 }

src/app/+item-page/edit-item-page/item-status/item-status.component.spec.ts

@@ -31,7 +31,7 @@ describe('ItemStatusComponent', () => {
 
   const routeStub = {
       parent: {
-        data: observableOf({ item: createSuccessfulRemoteDataObject(mockItem) })
+        data: observableOf({ dso: createSuccessfulRemoteDataObject(mockItem) })
       }
     };
 

src/app/+item-page/edit-item-page/item-status/item-status.component.ts

@@ -56,7 +56,7 @@ export class ItemStatusComponent implements OnInit {
   }
 
   ngOnInit(): void {
-    this.itemRD$ = this.route.parent.data.pipe(map((data) => data.item));
+    this.itemRD$ = this.route.parent.data.pipe(map((data) => data.dso));
     this.itemRD$.pipe(
       first(),
       map((data: RemoteData<Item>) => data.payload)

src/app/+item-page/edit-item-page/item-version-history/item-version-history.component.spec.ts

@@ -23,7 +23,7 @@ describe('ItemVersionHistoryComponent', () => {
       declarations: [ItemVersionHistoryComponent, VarDirective],
       imports: [TranslateModule.forRoot(), RouterTestingModule.withRoutes([])],
       providers: [
-        { provide: ActivatedRoute, useValue: { parent: { data: observableOf({ item: createSuccessfulRemoteDataObject(item) }) } } }
+        { provide: ActivatedRoute, useValue: { parent: { data: observableOf({ dso: createSuccessfulRemoteDataObject(item) }) } } }
       ],
       schemas: [NO_ERRORS_SCHEMA]
     }).compileComponents();

src/app/+item-page/edit-item-page/item-version-history/item-version-history.component.ts

@@ -30,6 +30,6 @@ export class ItemVersionHistoryComponent {
   }
 
   ngOnInit(): void {
-    this.itemRD$ = this.route.parent.data.pipe(map((data) => data.item)).pipe(getSucceededRemoteData()) as Observable<RemoteData<Item>>;
+    this.itemRD$ = this.route.parent.data.pipe(map((data) => data.dso)).pipe(getSucceededRemoteData()) as Observable<RemoteData<Item>>;
   }
 }

src/app/+item-page/edit-item-page/item-withdraw/item-withdraw.component.spec.ts

@@ -51,7 +51,7 @@ describe('ItemWithdrawComponent', () => {
 
     routeStub = {
       data: observableOf({
-        item: createSuccessfulRemoteDataObject({
+        dso: createSuccessfulRemoteDataObject({
           id: 'fake-id'
         })
       })

src/app/+item-page/edit-item-page/simple-item-action/abstract-simple-item-action.component.spec.ts

@@ -74,7 +74,7 @@ describe('AbstractSimpleItemActionComponent', () => {
 
     routeStub = {
       data: observableOf({
-        item: createSuccessfulRemoteDataObject({
+        dso: createSuccessfulRemoteDataObject({
           id: 'fake-id'
         })
       })

src/app/+item-page/edit-item-page/simple-item-action/abstract-simple-item-action.component.ts

@@ -42,7 +42,7 @@ export class AbstractSimpleItemActionComponent implements OnInit {
 
   ngOnInit(): void {
     this.itemRD$ = this.route.data.pipe(
-      map((data) => data.item),
+      map((data) => data.dso),
       getSucceededRemoteData()
     )as Observable<RemoteData<Item>>;
 

src/app/+item-page/full/full-item-page.component.html

@@ -3,7 +3,12 @@
     <div *ngIf="itemRD?.payload as item">
       <ds-item-versions-notice [item]="item"></ds-item-versions-notice>
       <ds-view-tracker [object]="item"></ds-view-tracker>
-      <ds-item-page-title-field [item]="item"></ds-item-page-title-field>
+      <div class="d-flex flex-row">
+        <ds-item-page-title-field class="mr-auto" [item]="item"></ds-item-page-title-field>
+        <div class="pl-2">
+          <ds-dso-page-edit-button [pageRoutePrefix]="'items'" [dso]="item" [tooltipMsg]="'item.page.edit'"></ds-dso-page-edit-button>
+        </div>
+      </div>
       <div class="simple-view-link my-3">
         <a class="btn btn-outline-primary" [routerLink]="['/items/' + item.id]">
           {{"item.page.link.simple" | translate}}

src/app/+item-page/full/full-item-page.component.spec.ts

@@ -13,7 +13,6 @@ import { RouterTestingModule } from '@angular/router/testing';
 import { Item } from '../../core/shared/item.model';
 import { PageInfo } from '../../core/shared/page-info.model';
 import { PaginatedList } from '../../core/data/paginated-list';
-import { RemoteData } from '../../core/data/remote-data';
 import { of as observableOf } from 'rxjs';
 import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
 import { By } from '@angular/platform-browser';
@@ -34,7 +33,7 @@ const mockItem: Item = Object.assign(new Item(), {
     }
 });
 const routeStub = Object.assign(new ActivatedRouteStub(), {
-  data: observableOf({ item: createSuccessfulRemoteDataObject(mockItem) })
+  data: observableOf({ dso: createSuccessfulRemoteDataObject(mockItem) })
 });
 const metadataServiceStub = {
   /* tslint:disable:no-empty */

src/app/+item-page/item-page-routing.module.ts

@@ -20,7 +20,7 @@ import { LinkMenuItemModel } from '../shared/menu/menu-item/models/link.model';
       {
         path: ':id',
         resolve: {
-          item: ItemPageResolver,
+          dso: ItemPageResolver,
           breadcrumb: ItemBreadcrumbResolver
         },
         runGuardsAndResolvers: 'always',

src/app/+item-page/simple/item-page.component.spec.ts

@@ -8,7 +8,6 @@ import { ActivatedRoute, Router } from '@angular/router';
 import { ActivatedRouteStub } from '../../shared/testing/active-router.stub';
 import { MetadataService } from '../../core/metadata/metadata.service';
 import { VarDirective } from '../../shared/utils/var.directive';
-import { RemoteData } from '../../core/data/remote-data';
 import { Item } from '../../core/shared/item.model';
 import { PaginatedList } from '../../core/data/paginated-list';
 import { PageInfo } from '../../core/shared/page-info.model';
@@ -37,7 +36,7 @@ describe('ItemPageComponent', () => {
     /* tslint:enable:no-empty */
   };
   const mockRoute = Object.assign(new ActivatedRouteStub(), {
-    data: observableOf({ item: createSuccessfulRemoteDataObject(mockItem) })
+    data: observableOf({ dso: createSuccessfulRemoteDataObject(mockItem) })
   });
 
   beforeEach(async(() => {

src/app/+item-page/simple/item-page.component.ts

@@ -55,7 +55,7 @@ export class ItemPageComponent implements OnInit {
    */
   ngOnInit(): void {
     this.itemRD$ = this.route.data.pipe(
-      map((data) => data.item as RemoteData<Item>),
+      map((data) => data.dso as RemoteData<Item>),
       redirectOn404Or401(this.router)
     );
     this.metadataService.processRemoteData(this.itemRD$);

src/app/+item-page/simple/item-types/publication/publication.component.html

@@ -1,6 +1,11 @@
-<h2 class="item-page-title-field">
+<div class="d-flex flex-row">
+  <h2 class="item-page-title-field mr-auto">
     {{'publication.page.titleprefix' | translate}}<ds-metadata-values [mdValues]="object?.allMetadata(['dc.title'])"></ds-metadata-values>
   </h2>
+  <div class="pl-2">
+    <ds-dso-page-edit-button [pageRoutePrefix]="'items'" [dso]="object" [tooltipMsg]="'publication.page.edit'"></ds-dso-page-edit-button>
+  </div>
+</div>
 <div class="row">
   <div class="col-xs-12 col-md-4">
     <ds-metadata-field-wrapper>

src/app/breadcrumbs/breadcrumbs.component.html

@@ -2,7 +2,7 @@
     <nav *ngIf="showBreadcrumbs" aria-label="breadcrumb">
         <ol class="breadcrumb">
             <ng-container
-                    *ngTemplateOutlet="breadcrumbs?.length > 0 ? breadcrumb : activeBreadcrumb; context: {text: 'Home', url: '/'}"></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;">
                 <ng-container *ngTemplateOutlet="!last ? breadcrumb : activeBreadcrumb; context: bc"></ng-container>
             </ng-container>

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

@@ -1,9 +1,10 @@
-import { NgZone } from '@angular/core';
+import { Subscription } from 'rxjs/internal/Subscription';
 import { FindListOptions } from '../core/data/request.models';
+import { hasValue } from '../shared/empty.util';
 import { CommunityListService, FlatNode } from './community-list-service';
 import { CollectionViewer, DataSource } from '@angular/cdk/typings/collections';
 import { BehaviorSubject, Observable, } from 'rxjs';
-import { finalize, take, } from 'rxjs/operators';
+import { finalize } from 'rxjs/operators';
 
 /**
  * DataSource object needed by a CDK Tree to render its nodes.
@@ -15,9 +16,9 @@ export class CommunityListDatasource implements DataSource<FlatNode> {
 
   private communityList$ = new BehaviorSubject<FlatNode[]>([]);
   public loading$ = new BehaviorSubject<boolean>(false);
+  private subLoadCommunities: Subscription;
 
-  constructor(private communityListService: CommunityListService,
+  constructor(private communityListService: CommunityListService) {
-              private zone: NgZone) {
   }
 
   connect(collectionViewer: CollectionViewer): Observable<FlatNode[]> {
@@ -26,13 +27,13 @@ export class CommunityListDatasource implements DataSource<FlatNode> {
 
   loadCommunities(findOptions: FindListOptions, expandedNodes: FlatNode[]) {
     this.loading$.next(true);
-    this.zone.runOutsideAngular(() => {
+    if (hasValue(this.subLoadCommunities)) {
-      this.communityListService.loadCommunities(findOptions, expandedNodes).pipe(
+      this.subLoadCommunities.unsubscribe();
-        take(1),
+    }
-        finalize(() => this.zone.run(() => this.loading$.next(false))),
+    this.subLoadCommunities = this.communityListService.loadCommunities(findOptions, expandedNodes).pipe(
+      finalize(() => this.loading$.next(false)),
     ).subscribe((flatNodes: FlatNode[]) => {
-        this.zone.run(() => this.communityList$.next(flatNodes));
+      this.communityList$.next(flatNodes);
-      });
     });
   }
 

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

@@ -2,13 +2,12 @@ import { Injectable } from '@angular/core';
 import { createSelector, Store } from '@ngrx/store';
 import { combineLatest as observableCombineLatest } from 'rxjs/internal/observable/combineLatest';
 import { Observable, of as observableOf } from 'rxjs';
+import { map, switchMap } from 'rxjs/operators';
 import { AppState } from '../app.reducer';
 import { CommunityDataService } from '../core/data/community-data.service';
 import { FindListOptions } from '../core/data/request.models';
-import { map, flatMap } from 'rxjs/operators';
 import { Community } from '../core/shared/community.model';
 import { Collection } from '../core/shared/collection.model';
-import { getSucceededRemoteData } from '../core/shared/operators';
 import { PageInfo } from '../core/shared/page-info.model';
 import { hasValue, isNotEmpty } from '../shared/empty.util';
 import { RemoteData } from '../core/data/remote-data';
@@ -148,7 +147,7 @@ export class CommunityListService {
         return new PaginatedList(newPageInfo, newPage);
       })
     );
-    return topComs$.pipe(flatMap((topComs: PaginatedList<Community>) => this.transformListOfCommunities(topComs, 0, null, expandedNodes)));
+    return topComs$.pipe(switchMap((topComs: PaginatedList<Community>) => this.transformListOfCommunities(topComs, 0, null, expandedNodes)));
   };
 
   /**
@@ -228,9 +227,13 @@ export class CommunityListService {
           currentPage: i
         })
           .pipe(
-            getSucceededRemoteData(),
+            switchMap((rd: RemoteData<PaginatedList<Community>>) => {
-            flatMap((rd: RemoteData<PaginatedList<Community>>) =>
+              if (hasValue(rd) && hasValue(rd.payload)) {
-              this.transformListOfCommunities(rd.payload, level + 1, communityFlatNode, expandedNodes))
+                return this.transformListOfCommunities(rd.payload, level + 1, communityFlatNode, expandedNodes);
+              } else {
+                return [];
+              }
+            })
           );
 
         subcoms = [...subcoms, nextSetOfSubcommunitiesPage];
@@ -246,14 +249,17 @@ export class CommunityListService {
           currentPage: i
         })
           .pipe(
-            getSucceededRemoteData(),
             map((rd: RemoteData<PaginatedList<Collection>>) => {
+              if (hasValue(rd) && hasValue(rd.payload)) {
                 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)];
                 }
                 return nodes;
+              } else {
+                return [];
+              }
             }),
           );
         collections = [...collections, nextSetOfCollectionsPage];
@@ -275,14 +281,24 @@ export class CommunityListService {
     let hasColls$: Observable<boolean>;
     hasSubcoms$ = this.communityDataService.findByParent(community.uuid, { elementsPerPage: 1 })
       .pipe(
-        getSucceededRemoteData(),
+        map((rd: RemoteData<PaginatedList<Community>>) => {
-        map((results) => results.payload.totalElements > 0),
+          if (hasValue(rd) && hasValue(rd.payload)) {
+            return rd.payload.totalElements > 0;
+          } else {
+            return false;
+          }
+        }),
       );
 
     hasColls$ = this.collectionDataService.findByParent(community.uuid, { elementsPerPage: 1 })
       .pipe(
-        getSucceededRemoteData(),
+        map((rd: RemoteData<PaginatedList<Collection>>) => {
-        map((results) => results.payload.totalElements > 0),
+          if (hasValue(rd) && hasValue(rd.payload)) {
+            return rd.payload.totalElements > 0;
+          } else {
+            return false;
+          }
+        }),
       );
 
     let hasChildren$: Observable<boolean>;

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

@@ -28,7 +28,7 @@
       <button type="button" class="btn btn-default" cdkTreeNodeToggle
               [attr.aria-label]="'toggle ' + node.name"
               (click)="toggleExpanded(node)"
-              [ngClass]="(node.isExpandable$ | async) ? 'visible' : 'invisible'">
+              [ngClass]="(hasChild(null, node)| async) ? 'visible' : 'invisible'">
         <span class="{{node.isExpanded ? 'fa fa-chevron-down' : 'fa fa-chevron-right'}}"
               aria-hidden="true"></span>
       </button>

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

@@ -1,4 +1,4 @@
-import { Component, NgZone, OnDestroy, OnInit } from '@angular/core';
+import { Component, OnDestroy, OnInit } from '@angular/core';
 import { take } from 'rxjs/operators';
 import { SortDirection, SortOptions } from '../../core/cache/models/sort-options.model';
 import { FindListOptions } from '../../core/data/request.models';
@@ -24,15 +24,14 @@ export class CommunityListComponent implements OnInit, OnDestroy {
   public loadingNode: FlatNode;
 
   treeControl = new FlatTreeControl<FlatNode>(
-    (node) => node.level, (node) => true
+    (node: FlatNode) => node.level, (node: FlatNode) => true
   );
 
   dataSource: CommunityListDatasource;
 
   paginationConfig: FindListOptions;
 
-  constructor(private communityListService: CommunityListService,
+  constructor(private communityListService: CommunityListService) {
-              private zone: NgZone) {
     this.paginationConfig = new FindListOptions();
     this.paginationConfig.elementsPerPage = 2;
     this.paginationConfig.currentPage = 1;
@@ -40,7 +39,7 @@ export class CommunityListComponent implements OnInit, OnDestroy {
   }
 
   ngOnInit() {
-    this.dataSource = new CommunityListDatasource(this.communityListService, this.zone);
+    this.dataSource = new CommunityListDatasource(this.communityListService);
     this.communityListService.getLoadingNodeFromStore().pipe(take(1)).subscribe((result) => {
       this.loadingNode = result;
     });
@@ -65,7 +64,7 @@ export class CommunityListComponent implements OnInit, OnDestroy {
   }
 
   /**
-   * Toggles the expanded variable of a node, adds it to the exapanded 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) {

src/app/core/cache/builders/link.service.spec.ts

@@ -6,7 +6,6 @@ import { HALLink } from '../../shared/hal-link.model';
 import { HALResource } from '../../shared/hal-resource.model';
 import { ResourceType } from '../../shared/resource-type';
 import * as decorators from './build-decorators';
-import { getDataServiceFor } from './build-decorators';
 import { LinkService } from './link.service';
 
 const spyOnFunction = <T>(obj: T, func: keyof T) => {

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

@@ -17,6 +17,7 @@ import { DSOChangeAnalyzer } from './dso-change-analyzer.service';
 import { FindByIDRequest, FindListOptions } from './request.models';
 import { RequestEntry } from './request.reducer';
 import { RequestService } from './request.service';
+import {createNoContentRemoteDataObject$, createSuccessfulRemoteDataObject$} from '../../shared/remote-data.utils';
 
 const LINK_NAME = 'test';
 
@@ -51,7 +52,9 @@ describe('ComColDataService', () => {
   let objectCache: ObjectCacheService;
   let halService: any = {};
 
-  const rdbService = {} as RemoteDataBuildService;
+  const rdbService = {
+    buildSingle : () => null
+  } as any;
   const store = {} as Store<CoreState>;
   const notificationsService = {} as NotificationsService;
   const http = {} as HttpClient;
@@ -178,6 +181,90 @@ describe('ComColDataService', () => {
       });
     });
 
+    describe('cache refresh', () => {
+      let communityWithoutParentHref;
+      let data;
+
+      beforeEach(() => {
+        scheduler = getTestScheduler();
+        halService = {
+          getEndpoint: (linkPath) => 'https://rest.api/core/' + linkPath
+        };
+        service = initTestService();
+
+      })
+      describe('cache refreshed top level community', () => {
+        beforeEach(() => {
+          spyOn(rdbService, 'buildSingle').and.returnValue(createNoContentRemoteDataObject$());
+          data = {
+            dso: Object.assign(new Community(), {
+              metadata: [{
+                key: 'dc.title',
+                value: 'top level community'
+              }]
+            }),
+            _links: {
+              parentCommunity: {
+                href: 'topLevel/parentCommunity'
+              }
+            }
+          };
+          communityWithoutParentHref = {
+            dso: Object.assign(new Community(), {
+              metadata: [{
+                key: 'dc.title',
+                value: 'top level community'
+              }]
+            }),
+            _links: {}
+          };
+        });
+        it('top level community cache refreshed', () => {
+          scheduler.schedule(() => (service as any).refreshCache(data));
+          scheduler.flush();
+          expect(requestService.removeByHrefSubstring).toHaveBeenCalledWith('https://rest.api/core/communities/search/top');
+        });
+        it('top level community without parent link, cache not refreshed', () => {
+          scheduler.schedule(() => (service as any).refreshCache(communityWithoutParentHref));
+          scheduler.flush();
+          expect(requestService.removeByHrefSubstring).not.toHaveBeenCalled();
+        });
+      });
+
+      describe('cache refreshed child community', () => {
+        beforeEach(() => {
+          const parentCommunity = Object.assign(new Community(), {
+            uuid: 'a20da287-e174-466a-9926-f66as300d399',
+            id: 'a20da287-e174-466a-9926-f66as300d399',
+            metadata: [{
+              key: 'dc.title',
+              value: 'parent community'
+            }],
+            _links: {}
+          });
+          spyOn(rdbService, 'buildSingle').and.returnValue(createSuccessfulRemoteDataObject$(parentCommunity));
+          data = {
+            dso: Object.assign(new Community(), {
+              metadata: [{
+                key: 'dc.title',
+                value: 'child community'
+              }]
+            }),
+            _links: {
+              parentCommunity: {
+                href: 'child/parentCommunity'
+              }
+            }
+          };
+        });
+        it('child level community cache refreshed', () => {
+          scheduler.schedule(() => (service as any).refreshCache(data));
+          scheduler.flush();
+          expect(requestService.removeByHrefSubstring).toHaveBeenCalledWith('a20da287-e174-466a-9926-f66as300d399');
+        });
+      });
+    });
+
   });
 
 });

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

@@ -21,12 +21,14 @@ import {
   configureRequest,
   getRemoteDataPayload,
   getResponseFromEntry,
+  getSucceededOrNoContentResponse,
   getSucceededRemoteData
 } from '../shared/operators';
 import { CacheableObject } from '../cache/object-cache.reducer';
 import { RestResponse } from '../cache/response.models';
 import { Bitstream } from '../shared/bitstream.model';
 import { DSpaceObject } from '../shared/dspace-object.model';
+import {Collection} from '../shared/collection.model';
 
 export abstract class ComColDataService<T extends CacheableObject> extends DataService<T> {
   protected abstract cds: CommunityDataService;
@@ -119,4 +121,23 @@ export abstract class ComColDataService<T extends CacheableObject> extends DataS
       );
     }
   }
+
+  public refreshCache(dso: T) {
+    const parentCommunityUrl = this.parentCommunityUrlLookup(dso as any);
+    if (!hasValue(parentCommunityUrl)) {
+      return;
+    }
+    this.findByHref(parentCommunityUrl).pipe(
+      getSucceededOrNoContentResponse(),
+      take(1),
+    ).subscribe((rd: RemoteData<any>) => {
+      const href = rd.hasSucceeded && !isEmpty(rd.payload.id) ? rd.payload.id : this.halService.getEndpoint('communities/search/top');
+      this.requestService.removeByHrefSubstring(href)
+    });
+  }
+
+  private parentCommunityUrlLookup(dso: Collection | Community) {
+    const parentCommunity = dso._links.parentCommunity;
+    return isNotEmpty(parentCommunity) ? parentCommunity.href : null;
+  }
 }

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

@@ -3,7 +3,7 @@ import { Injectable } from '@angular/core';
 import { Router } from '@angular/router';
 import { Store } from '@ngrx/store';
 import { Observable } from 'rxjs';
-import { take, tap } from 'rxjs/operators';
+import { filter, take, tap } from 'rxjs/operators';
 import { hasValue } from '../../shared/empty.util';
 import { NotificationsService } from '../../shared/notifications/notifications.service';
 import { FollowLinkConfig } from '../../shared/utils/follow-link-config.model';
@@ -11,7 +11,6 @@ import { RemoteDataBuildService } from '../cache/builders/remote-data-build.serv
 import { ObjectCacheService } from '../cache/object-cache.service';
 import { CoreState } from '../core.reducers';
 import { HALEndpointService } from '../shared/hal-endpoint.service';
-import { getFinishedRemoteData } from '../shared/operators';
 import { DataService } from './data.service';
 import { DSOChangeAnalyzer } from './dso-change-analyzer.service';
 import { RemoteData } from './remote-data';
@@ -56,7 +55,7 @@ export class DsoRedirectDataService extends DataService<any> {
   findByIdAndIDType(id: string, identifierType = IdentifierType.UUID): Observable<RemoteData<FindByIDRequest>> {
     this.setLinkPath(identifierType);
     return this.findById(id).pipe(
-      getFinishedRemoteData(),
+      filter((response) => hasValue(response.error) || hasValue(response.payload)),
       take(1),
       tap((response) => {
         if (response.hasSucceeded) {

src/app/core/data/entity-type.service.ts

@@ -12,11 +12,12 @@ import { DefaultChangeAnalyzer } from './default-change-analyzer.service';
 import { Injectable } from '@angular/core';
 import { GetRequest } from './request.models';
 import { Observable } from 'rxjs/internal/Observable';
-import {switchMap, take, tap} from 'rxjs/operators';
+import {switchMap, take, map} from 'rxjs/operators';
 import { RemoteData } from './remote-data';
 import {RelationshipType} from '../shared/item-relationships/relationship-type.model';
 import {PaginatedList} from './paginated-list';
 import {ItemType} from '../shared/item-relationships/item-type.model';
+import {getRemoteDataPayload, getSucceededRemoteData} from '../shared/operators';
 
 /**
  * Service handling all ItemType requests
@@ -51,6 +52,20 @@ export class EntityTypeService extends DataService<ItemType> {
     );
   }
 
+  /**
+   * Check whether a given entity type is the left type of a given relationship type, as an observable boolean
+   * @param relationshipType  the relationship type for which to check whether the given entity type is the left type
+   * @param entityType  the entity type for which to check whether it is the left type of the given relationship type
+   */
+  isLeftType(relationshipType: RelationshipType, itemType: ItemType): Observable<boolean> {
+
+    return relationshipType.leftType.pipe(
+      getSucceededRemoteData(),
+      getRemoteDataPayload(),
+      map((leftType) => leftType.uuid === itemType.uuid),
+    );
+  }
+
   /**
    * Get the allowed relationship types for an entity type
    * @param entityTypeId

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

@@ -5,6 +5,7 @@ export enum FeatureID {
   LoginOnBehalfOf = 'loginOnBehalfOf',
   AdministratorOf = 'administratorOf',
   CanDelete = 'canDelete',
+  CanEditMetadata = 'canEditMetadata',
   WithdrawItem = 'withdrawItem',
   ReinstateItem = 'reinstateItem',
   EPersonRegistration = 'epersonRegistration',

src/app/core/data/lookup-relation.service.ts

@@ -1,6 +1,6 @@
 import { ExternalSourceService } from './external-source.service';
 import { SearchService } from '../shared/search/search.service';
-import { concat, map, multicast, startWith, take, takeWhile } from 'rxjs/operators';
+import { concat, distinctUntilChanged, map, multicast, startWith, take, takeWhile } from 'rxjs/operators';
 import { PaginatedSearchOptions } from '../../shared/search/paginated-search-options.model';
 import { ReplaySubject } from 'rxjs/internal/ReplaySubject';
 import { RemoteData } from './remote-data';
@@ -91,7 +91,8 @@ export class LookupRelationService {
       getAllSucceededRemoteData(),
       getRemoteDataPayload(),
       map((results: PaginatedList<ExternalSourceEntry>) => results.totalElements),
-      startWith(0)
+      startWith(0),
+      distinctUntilChanged()
     );
   }
 

src/app/core/data/object-updates/object-updates.reducer.ts

@@ -16,6 +16,8 @@ import { hasNoValue, hasValue } from '../../../shared/empty.util';
 import { Relationship} from '../../shared/item-relationships/relationship.model';
 import { InjectionToken } from '@angular/core';
 import { PatchOperationService } from './patch-operation-service/patch-operation.service';
+import { Item} from '../../shared/item.model';
+import { RelationshipType} from '../../shared/item-relationships/relationship-type.model';
 
 /**
  * Path where discarded objects are saved
@@ -74,11 +76,18 @@ export interface VirtualMetadataSource {
   [uuid: string]: boolean,
 }
 
+export interface RelationshipIdentifiable extends Identifiable {
+  nameVariant?: string,
+  relatedItem: Item;
+  relationship: Relationship;
+  type: RelationshipType;
+}
+
 /**
  * A fieldupdate interface which represents a relationship selected to be deleted,
  * along with a selection of the virtual metadata to keep
  */
-export interface DeleteRelationship extends Relationship {
+export interface DeleteRelationship extends RelationshipIdentifiable {
   keepLeftVirtualMetadata: boolean,
   keepRightVirtualMetadata: boolean,
 }
@@ -189,7 +198,7 @@ function addFieldUpdate(state: any, action: AddFieldUpdateAction) {
   const url: string = action.payload.url;
   const field: Identifiable = action.payload.field;
   const changeType: FieldChangeType = action.payload.changeType;
-  const pageState: ObjectUpdatesEntry = state[url] || {};
+  const pageState: ObjectUpdatesEntry = state[url] || {fieldUpdates: {}};
 
   let states = pageState.fieldStates;
   if (changeType === FieldChangeType.ADD) {

src/app/core/data/object-updates/object-updates.service.ts

@@ -24,7 +24,7 @@ import {
   SetValidFieldUpdateAction
 } from './object-updates.actions';
 import { distinctUntilChanged, filter, map, switchMap } from 'rxjs/operators';
-import { hasNoValue, hasValue, isEmpty, isNotEmpty, isNotEmptyOperator } from '../../../shared/empty.util';
+import { hasNoValue, hasValue, isEmpty, isNotEmpty } from '../../../shared/empty.util';
 import { INotification } from '../../../shared/notifications/models/notification.model';
 import { Operation } from 'fast-json-patch';
 import { PatchOperationService } from './patch-operation-service/patch-operation.service';
@@ -129,7 +129,7 @@ export class ObjectUpdatesService {
    */
   getFieldUpdatesExclusive(url: string, initialFields: Identifiable[]): Observable<FieldUpdates> {
     const objectUpdates = this.getObjectEntry(url);
-    return objectUpdates.pipe(isNotEmptyOperator(), map((objectEntry) => {
+    return objectUpdates.pipe(map((objectEntry) => {
       const fieldUpdates: FieldUpdates = {};
       for (const object of initialFields) {
         let fieldUpdate = objectEntry.fieldUpdates[object.uuid];

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

@@ -102,8 +102,8 @@ export class RelationshipService extends DataService<Relationship> {
       ),
       configureRequest(this.requestService),
       switchMap((restRequest: RestRequest) => this.requestService.getByUUID(restRequest.uuid)),
-      getResponseFromEntry(),
       tap(() => this.refreshRelationshipItemsInCacheByRelationship(id)),
+      getResponseFromEntry(),
     );
   }
 
@@ -129,9 +129,9 @@ export class RelationshipService extends DataService<Relationship> {
       map((endpointURL: string) => new PostRequest(this.requestService.generateRequestId(), endpointURL, `${item1.self} \n ${item2.self}`, options)),
       configureRequest(this.requestService),
       switchMap((restRequest: RestRequest) => this.requestService.getByUUID(restRequest.uuid)),
-      getResponseFromEntry(),
       tap(() => this.refreshRelationshipItemsInCache(item1)),
-      tap(() => this.refreshRelationshipItemsInCache(item2))
+      tap(() => this.refreshRelationshipItemsInCache(item2)),
+      getResponseFromEntry(),
     ) as Observable<RestResponse>;
   }
 
@@ -400,6 +400,20 @@ export class RelationshipService extends DataService<Relationship> {
       );
   }
 
+  /**
+   * Check whether a given item is the left item of a given relationship, as an observable boolean
+   * @param relationship  the relationship for which to check whether the given item is the left item
+   * @param item          the item for which to check whether it is the left item of the given relationship
+   */
+  public isLeftItem(relationship: Relationship, item: Item): Observable<boolean> {
+    return relationship.leftItem.pipe(
+      getSucceededRemoteData(),
+      getRemoteDataPayload(),
+      filter((leftItem: Item) => hasValue(leftItem) && isNotEmpty(leftItem.uuid)),
+      map((leftItem) => leftItem.uuid === item.uuid)
+    );
+  }
+
   /**
    * Method to update the the right or left place of a relationship
    * The useLeftItem field in the reorderable relationship determines which place should be updated

src/app/core/data/remote-data.ts

@@ -55,4 +55,8 @@ export class RemoteData<T> {
     return this.state === RemoteDataState.Success;
   }
 
+  get hasNoContent(): boolean {
+    return this.statusCode === 204;
+  }
+
 }

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

@@ -303,7 +303,7 @@ describe('EPersonDataService', () => {
     it('should sent a patch request with an uuid, token and new password to the epersons endpoint', () => {
       service.patchPasswordWithToken('test-uuid', 'test-token','test-password');
 
-      const operation = Object.assign({ op: 'replace', path: '/password', value: 'test-password' });
+      const operation = Object.assign({ op: 'add', path: '/password', value: 'test-password' });
       const expected = new PatchRequest(requestService.generateRequestId(), epersonsEndpoint + '/test-uuid?token=test-token', [operation]);
 
       expect(requestService.configure).toHaveBeenCalledWith(expected);

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

@@ -280,7 +280,7 @@ export class EPersonDataService extends DataService<EPerson> {
   patchPasswordWithToken(uuid: string, token: string, password: string): Observable<RestResponse> {
     const requestId = this.requestService.generateRequestId();
 
-    const operation = Object.assign({ op: 'replace', path: '/password', value: password });
+    const operation = Object.assign({ op: 'add', path: '/password', value: password });
 
     const hrefObs = this.halService.getEndpoint(this.linkPath).pipe(
       map((endpoint: string) => this.getIDHref(endpoint, uuid)),

src/app/core/shared/collection.model.spec.ts

@@ -0,0 +1,24 @@
+import {Collection} from './collection.model';
+
+describe('Collection', () => {
+
+  describe('Collection handle value',  () => {
+
+    let metadataValue;
+
+    beforeEach(() => {
+      metadataValue = {'dc.identifier.uri': [ { value: '123456789/1'}]};
+    })
+
+    it('should return the handle value from metadata', () => {
+      const community = Object.assign(new Collection(), { metadata: metadataValue });
+      expect(community.handle).toEqual('123456789/1');
+    });
+
+    it('should return undefined if the handle value from metadata is not present', () => {
+      const community = Object.assign(new Collection(), { });
+      expect(community.handle).toEqual(undefined);
+    });
+  });
+
+});

src/app/core/shared/collection.model.ts

@@ -1,4 +1,4 @@
-import { autoserialize, deserialize, inheritSerialization } from 'cerialize';
+import { deserialize, inheritSerialization } from 'cerialize';
 import { Observable } from 'rxjs';
 import { link, typedObject } from '../cache/builders/build-decorators';
 import { PaginatedList } from '../data/paginated-list';
@@ -21,12 +21,6 @@ import { ChildHALResource } from './child-hal-resource.model';
 export class Collection extends DSpaceObject implements ChildHALResource {
   static type = COLLECTION;
 
-  /**
-   * A string representing the unique handle of this Collection
-   */
-  @autoserialize
-  handle: string;
-
   /**
    * The {@link HALLink}s for this Collection
    */
@@ -75,6 +69,13 @@ export class Collection extends DSpaceObject implements ChildHALResource {
   @link(COMMUNITY, false)
   parentCommunity?: Observable<RemoteData<Community>>;
 
+  /**
+   * A string representing the unique handle of this Collection
+   */
+  get handle(): string {
+    return this.firstMetadataValue('dc.identifier.uri');
+  }
+
   /**
    * The introductory text of this Collection
    * Corresponds to the metadata field dc.description

src/app/core/shared/community.model.spec.ts

@@ -0,0 +1,24 @@
+import {Community} from './community.model';
+
+describe('Community', () => {
+
+  describe('Community handle value',  () => {
+
+    let metadataValue;
+
+    beforeEach(() => {
+      metadataValue = {'dc.identifier.uri': [ { value: '123456789/1'}]};
+    })
+
+    it('should return the handle value from metadata', () => {
+      const community = Object.assign(new Community(), { metadata: metadataValue });
+      expect(community.handle).toEqual('123456789/1');
+    });
+
+    it('should return undefined if the handle value from metadata is not present', () => {
+      const community = Object.assign(new Community(), { });
+      expect(community.handle).toEqual(undefined);
+    });
+  });
+
+});

src/app/core/shared/community.model.ts

@@ -1,4 +1,4 @@
-import { autoserialize, deserialize, inheritSerialization } from 'cerialize';
+import { deserialize, inheritSerialization } from 'cerialize';
 import { Observable } from 'rxjs';
 import { link, typedObject } from '../cache/builders/build-decorators';
 import { PaginatedList } from '../data/paginated-list';
@@ -17,12 +17,6 @@ import { ChildHALResource } from './child-hal-resource.model';
 export class Community extends DSpaceObject implements ChildHALResource {
   static type = COMMUNITY;
 
-  /**
-   * A string representing the unique handle of this Community
-   */
-  @autoserialize
-  handle: string;
-
   /**
    * The {@link HALLink}s for this Community
    */
@@ -64,6 +58,13 @@ export class Community extends DSpaceObject implements ChildHALResource {
   @link(COMMUNITY, false)
   parentCommunity?: Observable<RemoteData<Community>>;
 
+  /**
+   * A string representing the unique handle of this Community
+   */
+  get handle(): string {
+    return this.firstMetadataValue('dc.identifier.uri');
+  }
+
   /**
    * The introductory text of this Community
    * Corresponds to the metadata field dc.description

src/app/core/shared/context.model.ts

@@ -13,4 +13,6 @@ export enum Context {
   EntitySearchModal = 'EntitySearchModal',
   AdminSearch = 'adminSearch',
   AdminWorkflowSearch = 'adminWorkflowSearch',
+  SideBarSearchModal = 'sideBarSearchModal',
+  SideBarSearchModalCurrent = 'sideBarSearchModalCurrent',
 }

src/app/core/shared/operators.ts

@@ -75,6 +75,10 @@ export const getSucceededRemoteWithNotEmptyData = () =>
   <T>(source: Observable<RemoteData<T>>): Observable<RemoteData<T>> =>
     source.pipe(find((rd: RemoteData<T>) => rd.hasSucceeded && isNotEmpty(rd.payload)));
 
+export const getSucceededOrNoContentResponse = () =>
+  <T>(source: Observable<RemoteData<T>>): Observable<RemoteData<T>> =>
+    source.pipe(find((rd: RemoteData<T>) => rd.hasSucceeded || rd.hasNoContent));
+
 /**
  * Get the first successful remotely retrieved object
  *

src/app/core/shared/process-output.resource-type.ts

@@ -0,0 +1,9 @@
+import { ResourceType } from './resource-type';
+
+/**
+ * The resource type for ProcessOutput
+ *
+ * Needs to be in a separate file to prevent circular
+ * dependencies in webpack.
+ */
+export const PROCESS_OUTPUT_TYPE = new ResourceType('processOutput');

src/app/entity-groups/journal-entities/item-list-elements/sidebar-search-list-elements/journal-issue/journal-issue-sidebar-search-list-element.component.spec.ts

@@ -0,0 +1,42 @@
+import { Item } from '../../../../../core/shared/item.model';
+import { Collection } from '../../../../../core/shared/collection.model';
+import { ItemSearchResult } from '../../../../../shared/object-collection/shared/item-search-result.model';
+import { createSidebarSearchListElementTests } from '../../../../../shared/object-list/sidebar-search-list-element/sidebar-search-list-element.component.spec';
+import { JournalIssueSidebarSearchListElementComponent } from './journal-issue-sidebar-search-list-element.component';
+
+const object = Object.assign(new ItemSearchResult(), {
+  indexableObject: Object.assign(new Item(), {
+    id: 'test-item',
+    metadata: {
+      'dc.title': [
+        {
+          value: 'title'
+        }
+      ],
+      'publicationvolume.volumeNumber': [
+        {
+          value: '5'
+        }
+      ],
+      'publicationissue.issueNumber': [
+        {
+          value: '7'
+        }
+      ]
+    }
+  })
+});
+const parent = Object.assign(new Collection(), {
+  id: 'test-collection',
+  metadata: {
+    'dc.title': [
+      {
+        value: 'parent title'
+      }
+    ]
+  }
+});
+
+describe('JournalIssueSidebarSearchListElementComponent',
+  createSidebarSearchListElementTests(JournalIssueSidebarSearchListElementComponent, object, parent, 'parent title', 'title', '5 - 7')
+);

src/app/entity-groups/journal-entities/item-list-elements/sidebar-search-list-elements/journal-issue/journal-issue-sidebar-search-list-element.component.ts

@@ -0,0 +1,39 @@
+import { listableObjectComponent } from '../../../../../shared/object-collection/shared/listable-object/listable-object.decorator';
+import { ViewMode } from '../../../../../core/shared/view-mode.model';
+import { Context } from '../../../../../core/shared/context.model';
+import { ItemSearchResult } from '../../../../../shared/object-collection/shared/item-search-result.model';
+import { Component } from '@angular/core';
+import { SidebarSearchListElementComponent } from '../../../../../shared/object-list/sidebar-search-list-element/sidebar-search-list-element.component';
+import { Item } from '../../../../../core/shared/item.model';
+import { isNotEmpty } from '../../../../../shared/empty.util';
+
+@listableObjectComponent('JournalIssueSearchResult', ViewMode.ListElement, Context.SideBarSearchModal)
+@listableObjectComponent('JournalIssueSearchResult', ViewMode.ListElement, Context.SideBarSearchModalCurrent)
+@Component({
+  selector: 'ds-journal-issue-sidebar-search-list-element',
+  templateUrl: '../../../../../shared/object-list/sidebar-search-list-element/sidebar-search-list-element.component.html'
+})
+/**
+ * Component displaying a list element for a {@link ItemSearchResult} of type "JournalIssue" within the context of
+ * a sidebar search modal
+ */
+export class JournalIssueSidebarSearchListElementComponent extends SidebarSearchListElementComponent<ItemSearchResult, Item> {
+  /**
+   * Get the description of the Journal Issue by returning its volume number(s) and/or issue number(s)
+   */
+  getDescription(): string {
+    const volumeNumbers = this.allMetadataValues(['publicationvolume.volumeNumber']);
+    const issueNumbers = this.allMetadataValues(['publicationissue.issueNumber']);
+    let description = '';
+    if (isNotEmpty(volumeNumbers)) {
+      description += volumeNumbers.join(', ');
+    }
+    if (isNotEmpty(description) && isNotEmpty(issueNumbers)) {
+      description += ' - ';
+    }
+    if (isNotEmpty(issueNumbers)) {
+      description += issueNumbers.join(', ');
+    }
+    return this.undefinedIfEmpty(description);
+  }
+}

src/app/entity-groups/journal-entities/item-list-elements/sidebar-search-list-elements/journal-volume/journal-volume-sidebar-search-list-element.component.spec.ts

@@ -0,0 +1,45 @@
+import { Item } from '../../../../../core/shared/item.model';
+import { Collection } from '../../../../../core/shared/collection.model';
+import { ItemSearchResult } from '../../../../../shared/object-collection/shared/item-search-result.model';
+import { createSidebarSearchListElementTests } from '../../../../../shared/object-list/sidebar-search-list-element/sidebar-search-list-element.component.spec';
+import { JournalVolumeSidebarSearchListElementComponent } from './journal-volume-sidebar-search-list-element.component';
+
+const object = Object.assign(new ItemSearchResult(), {
+  indexableObject: Object.assign(new Item(), {
+    id: 'test-item',
+    metadata: {
+      'dc.title': [
+        {
+          value: 'title'
+        }
+      ],
+      'journal.title': [
+        {
+          value: 'journal title'
+        }
+      ],
+      'publicationvolume.volumeNumber': [
+        {
+          value: '1'
+        },
+        {
+          value: '2'
+        }
+      ]
+    }
+  })
+});
+const parent = Object.assign(new Collection(), {
+  id: 'test-collection',
+  metadata: {
+    'dc.title': [
+      {
+        value: 'parent title'
+      }
+    ]
+  }
+});
+
+describe('JournalVolumeSidebarSearchListElementComponent',
+  createSidebarSearchListElementTests(JournalVolumeSidebarSearchListElementComponent, object, parent, 'parent title', 'title', 'journal title (1) (2)')
+);

src/app/entity-groups/journal-entities/item-list-elements/sidebar-search-list-elements/journal-volume/journal-volume-sidebar-search-list-element.component.ts

@@ -0,0 +1,39 @@
+import { listableObjectComponent } from '../../../../../shared/object-collection/shared/listable-object/listable-object.decorator';
+import { ViewMode } from '../../../../../core/shared/view-mode.model';
+import { Context } from '../../../../../core/shared/context.model';
+import { ItemSearchResult } from '../../../../../shared/object-collection/shared/item-search-result.model';
+import { Component } from '@angular/core';
+import { SidebarSearchListElementComponent } from '../../../../../shared/object-list/sidebar-search-list-element/sidebar-search-list-element.component';
+import { Item } from '../../../../../core/shared/item.model';
+import { isNotEmpty } from '../../../../../shared/empty.util';
+
+@listableObjectComponent('JournalVolumeSearchResult', ViewMode.ListElement, Context.SideBarSearchModal)
+@listableObjectComponent('JournalVolumeSearchResult', ViewMode.ListElement, Context.SideBarSearchModalCurrent)
+@Component({
+  selector: 'ds-journal-volume-sidebar-search-list-element',
+  templateUrl: '../../../../../shared/object-list/sidebar-search-list-element/sidebar-search-list-element.component.html'
+})
+/**
+ * Component displaying a list element for a {@link ItemSearchResult} of type "JournalVolume" within the context of
+ * a sidebar search modal
+ */
+export class JournalVolumeSidebarSearchListElementComponent extends SidebarSearchListElementComponent<ItemSearchResult, Item> {
+  /**
+   * Get the description of the Journal Volume by returning the journal title and volume number(s) (between parentheses)
+   */
+  getDescription(): string {
+    const titles = this.allMetadataValues(['journal.title']);
+    const numbers = this.allMetadataValues(['publicationvolume.volumeNumber']);
+    let description = '';
+    if (isNotEmpty(titles)) {
+      description += titles.join(', ');
+    }
+    if (isNotEmpty(numbers)) {
+      if (isNotEmpty(description)) {
+        description += ' ';
+      }
+      description += numbers.map((n) => `(${n})`).join(' ');
+    }
+    return this.undefinedIfEmpty(description);
+  }
+}

src/app/entity-groups/journal-entities/item-list-elements/sidebar-search-list-elements/journal/journal-sidebar-search-list-element.component.spec.ts

@@ -0,0 +1,40 @@
+import { Item } from '../../../../../core/shared/item.model';
+import { Collection } from '../../../../../core/shared/collection.model';
+import { ItemSearchResult } from '../../../../../shared/object-collection/shared/item-search-result.model';
+import { createSidebarSearchListElementTests } from '../../../../../shared/object-list/sidebar-search-list-element/sidebar-search-list-element.component.spec';
+import { JournalSidebarSearchListElementComponent } from './journal-sidebar-search-list-element.component';
+
+const object = Object.assign(new ItemSearchResult(), {
+  indexableObject: Object.assign(new Item(), {
+    id: 'test-item',
+    metadata: {
+      'dc.title': [
+        {
+          value: 'title'
+        }
+      ],
+      'creativeworkseries.issn': [
+        {
+          value: '1234'
+        },
+        {
+          value: '5678'
+        }
+      ]
+    }
+  })
+});
+const parent = Object.assign(new Collection(), {
+  id: 'test-collection',
+  metadata: {
+    'dc.title': [
+      {
+        value: 'parent title'
+      }
+    ]
+  }
+});
+
+describe('JournalSidebarSearchListElementComponent',
+  createSidebarSearchListElementTests(JournalSidebarSearchListElementComponent, object, parent, 'parent title', 'title', '1234, 5678')
+);

src/app/entity-groups/journal-entities/item-list-elements/sidebar-search-list-elements/journal/journal-sidebar-search-list-element.component.ts

@@ -0,0 +1,32 @@
+import { listableObjectComponent } from '../../../../../shared/object-collection/shared/listable-object/listable-object.decorator';
+import { ViewMode } from '../../../../../core/shared/view-mode.model';
+import { Context } from '../../../../../core/shared/context.model';
+import { ItemSearchResult } from '../../../../../shared/object-collection/shared/item-search-result.model';
+import { Component } from '@angular/core';
+import { SidebarSearchListElementComponent } from '../../../../../shared/object-list/sidebar-search-list-element/sidebar-search-list-element.component';
+import { Item } from '../../../../../core/shared/item.model';
+import { isNotEmpty } from '../../../../../shared/empty.util';
+
+@listableObjectComponent('JournalSearchResult', ViewMode.ListElement, Context.SideBarSearchModal)
+@listableObjectComponent('JournalSearchResult', ViewMode.ListElement, Context.SideBarSearchModalCurrent)
+@Component({
+  selector: 'ds-journal-sidebar-search-list-element',
+  templateUrl: '../../../../../shared/object-list/sidebar-search-list-element/sidebar-search-list-element.component.html'
+})
+/**
+ * Component displaying a list element for a {@link ItemSearchResult} of type "Journal" within the context of
+ * a sidebar search modal
+ */
+export class JournalSidebarSearchListElementComponent extends SidebarSearchListElementComponent<ItemSearchResult, Item> {
+  /**
+   * Get the description of the Journal by returning its ISSN(s)
+   */
+  getDescription(): string {
+    const issns = this.allMetadataValues(['creativeworkseries.issn']);
+    let description = '';
+    if (isNotEmpty(issns)) {
+      description += issns.join(', ');
+    }
+    return this.undefinedIfEmpty(description);
+  }
+}

src/app/entity-groups/journal-entities/item-pages/journal-issue/journal-issue.component.html

@@ -1,6 +1,11 @@
-<h2 class="item-page-title-field">
+<div class="d-flex flex-row">
+  <h2 class="item-page-title-field mr-auto">
     {{'journalissue.page.titleprefix' | translate}}<ds-metadata-values [mdValues]="object?.allMetadata(['dc.title'])"></ds-metadata-values>
   </h2>
+  <div class="pl-2">
+    <ds-dso-page-edit-button [pageRoutePrefix]="'items'" [dso]="object" [tooltipMsg]="'journalissue.page.edit'"></ds-dso-page-edit-button>
+  </div>
+</div>
 <div class="row">
   <div class="col-xs-12 col-md-4">
     <ds-metadata-field-wrapper>

src/app/entity-groups/journal-entities/item-pages/journal-volume/journal-volume.component.html

@@ -1,6 +1,11 @@
-<h2 class="item-page-title-field">
+<div class="d-flex flex-row">
+  <h2 class="item-page-title-field mr-auto">
     {{'journalvolume.page.titleprefix' | translate}}<ds-metadata-values [mdValues]="object?.allMetadata(['dc.title'])"></ds-metadata-values>
   </h2>
+  <div class="pl-2">
+    <ds-dso-page-edit-button [pageRoutePrefix]="'items'" [dso]="object" [tooltipMsg]="'journalvolume.page.edit'"></ds-dso-page-edit-button>
+  </div>
+</div>
 <div class="row">
   <div class="col-xs-12 col-md-4">
     <ds-metadata-field-wrapper>

src/app/entity-groups/journal-entities/item-pages/journal/journal.component.html

@@ -1,6 +1,11 @@
-<h2 class="item-page-title-field">
+<div class="d-flex flex-row">
+  <h2 class="item-page-title-field mr-auto">
     {{'journal.page.titleprefix' | translate}}<ds-metadata-values [mdValues]="object?.allMetadata(['dc.title'])"></ds-metadata-values>
   </h2>
+  <div class="pl-2">
+    <ds-dso-page-edit-button [pageRoutePrefix]="'items'" [dso]="object" [tooltipMsg]="'journal.page.edit'"></ds-dso-page-edit-button>
+  </div>
+</div>
 <div class="row">
   <div class="col-xs-12 col-md-4">
     <ds-metadata-field-wrapper>

src/app/entity-groups/journal-entities/journal-entities.module.ts

@@ -18,6 +18,9 @@ import { JournalIssueSearchResultListElementComponent } from './item-list-elemen
 import { JournalVolumeSearchResultListElementComponent } from './item-list-elements/search-result-list-elements/journal-volume/journal-volume-search-result-list-element.component';
 import { JournalIssueSearchResultGridElementComponent } from './item-grid-elements/search-result-grid-elements/journal-issue/journal-issue-search-result-grid-element.component';
 import { JournalVolumeSearchResultGridElementComponent } from './item-grid-elements/search-result-grid-elements/journal-volume/journal-volume-search-result-grid-element.component';
+import { JournalVolumeSidebarSearchListElementComponent } from './item-list-elements/sidebar-search-list-elements/journal-volume/journal-volume-sidebar-search-list-element.component';
+import { JournalIssueSidebarSearchListElementComponent } from './item-list-elements/sidebar-search-list-elements/journal-issue/journal-issue-sidebar-search-list-element.component';
+import { JournalSidebarSearchListElementComponent } from './item-list-elements/sidebar-search-list-elements/journal/journal-sidebar-search-list-element.component';
 
 const ENTRY_COMPONENTS = [
   JournalComponent,
@@ -34,7 +37,10 @@ const ENTRY_COMPONENTS = [
   JournalVolumeSearchResultListElementComponent,
   JournalIssueSearchResultGridElementComponent,
   JournalVolumeSearchResultGridElementComponent,
-  JournalSearchResultGridElementComponent
+  JournalSearchResultGridElementComponent,
+  JournalVolumeSidebarSearchListElementComponent,
+  JournalIssueSidebarSearchListElementComponent,
+  JournalSidebarSearchListElementComponent,
 ];
 
 @NgModule({

src/app/entity-groups/research-entities/item-list-elements/person/person-list-element.component.html

@@ -1 +1,6 @@
-<ds-person-search-result-list-element [showLabel]="showLabel" [object]="{ indexableObject: object, hitHighlights: {} }" [linkType]="linkType"></ds-person-search-result-list-element>
+<ds-person-search-result-list-element [object]="{ indexableObject: object, hitHighlights: {} }"
+                                      [linkType]="linkType"
+                                      [showLabel]="showLabel"
+                                      [value]="value"
+>
+</ds-person-search-result-list-element>

src/app/entity-groups/research-entities/item-list-elements/search-result-list-elements/person/person-search-result-list-element.component.html

@@ -2,7 +2,7 @@
 <ds-truncatable [id]="dso.id">
     <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer"
        [routerLink]="['/items/' + dso.id]" class="lead"
-       [innerHTML]="firstMetadataValue('person.familyName') + ', ' + firstMetadataValue('person.givenName')"></a>
+       [innerHTML]="name"></a>
     <span *ngIf="linkType == linkTypes.None"
           class="lead"
           [innerHTML]="firstMetadataValue('person.familyName') + ', ' + firstMetadataValue('person.givenName')"></span>

src/app/entity-groups/research-entities/item-list-elements/search-result-list-elements/person/person-search-result-list-element.component.ts

@@ -15,4 +15,10 @@ import { Item } from '../../../../../core/shared/item.model';
  * The component for displaying a list element for an item search result of the type Person
  */
 export class PersonSearchResultListElementComponent extends SearchResultListElementComponent<ItemSearchResult, Item> {
+
+  get name() {
+    return this.value ?
+      this.value :
+      this.firstMetadataValue('person.familyName') + ', ' + this.firstMetadataValue('person.givenName');
+  }
 }