Merge branch 'main' into DSC-389

README.md

@@ -359,7 +359,7 @@ dspace-angular
 │   ├── plugins                                         * Folder for Cypress plugins (if any)
 │   ├── support                                         * Folder for global e2e test actions/commands (run for all tests)
 │   └── tsconfig.json                                   * TypeScript configuration file for e2e tests
-├── docker                                              *
+├── docker                                              * See docker/README.md for details
 │   ├── cli.assetstore.yml                              *
 │   ├── cli.ingest.yml                                  *
 │   ├── cli.yml                                         *
@@ -367,8 +367,6 @@ dspace-angular
 │   ├── docker-compose-ci.yml                           *
 │   ├── docker-compose-rest.yml                         *
 │   ├── docker-compose.yml                              *
-│   ├── environment.dev.ts                              *
-│   ├── local.cfg                                       *
 │   └── README.md                                       *
 ├── docs                                                * Folder for documentation
 │   └── Configuration.md                                * Configuration documentation

cypress/integration/search-page.spec.ts

@@ -53,7 +53,7 @@ describe('Search Page', () => {
 
         // Click to display grid view
         // TODO: These buttons should likely have an easier way to uniquely select
-        cy.get('#search-sidebar-content > ds-view-mode-switch > .btn-group > [href="/search?spc.sf=score&spc.sd=DESC&view=grid"] > .fas').click();
+        cy.get('#search-sidebar-content > ds-view-mode-switch > .btn-group > [href="/search?view=grid"] > .fas').click();
 
         // <ds-search-page> tag must be loaded
         cy.get('ds-search-page').should('exist');

docker/README.md

@@ -29,10 +29,6 @@ docker push dspace/dspace-angular:dspace-7_x
   - Docker compose file that provides a DSpace CLI container to work with a running DSpace REST container.
 - cli.assetstore.yml
   - Docker compose file that will download and install data into a DSpace REST assetstore.  This script points to a default dataset that will be utilized for CI testing.
-- environment.dev.ts
-  - Environment file for running DSpace Angular in Docker
-- local.cfg
-  - Environment file for running the DSpace 7 REST API in Docker.
 
 
 ## To refresh / pull DSpace images from Dockerhub

docker/cli.yml

@@ -18,10 +18,19 @@ services:
   dspace-cli:
     image: "${DOCKER_OWNER:-dspace}/dspace-cli:${DSPACE_VER:-dspace-7_x}"
     container_name: dspace-cli
-    #environment:
+    environment:
+      # Below syntax may look odd, but it is how to override dspace.cfg settings via env variables.
+      # See https://github.com/DSpace/DSpace/blob/main/dspace/config/config-definition.xml
+      # __P__ => "." (e.g. dspace__P__dir => dspace.dir)
+      # __D__ => "-" (e.g. google__D__metadata => google-metadata)
+      # dspace.dir
+      dspace__P__dir: /dspace
+      # db.url: Ensure we are using the 'dspacedb' image for our database
+      db__P__url: 'jdbc:postgresql://dspacedb:5432/dspace'
+      # solr.server: Ensure we are using the 'dspacesolr' image for Solr
+      solr__P__server: http://dspacesolr:8983/solr
     volumes:
     - "assetstore:/dspace/assetstore"
-    - "./local.cfg:/dspace/config/local.cfg"
     entrypoint: /dspace/bin/dspace
     command: help
     networks:

docker/docker-compose-ci.yml

@@ -17,6 +17,19 @@ services:
   # DSpace (backend) webapp container
   dspace:
     container_name: dspace
+    environment:
+      # Below syntax may look odd, but it is how to override dspace.cfg settings via env variables.
+      # See https://github.com/DSpace/DSpace/blob/main/dspace/config/config-definition.xml
+      # __P__ => "." (e.g. dspace__P__dir => dspace.dir)
+      # __D__ => "-" (e.g. google__D__metadata => google-metadata)
+      # dspace.dir, dspace.server.url and dspace.ui.url
+      dspace__P__dir: /dspace
+      dspace__P__server__P__url: http://localhost:8080/server
+      dspace__P__ui__P__url: http://localhost:4000
+      # db.url: Ensure we are using the 'dspacedb' image for our database
+      db__P__url: 'jdbc:postgresql://dspacedb:5432/dspace'
+      # solr.server: Ensure we are using the 'dspacesolr' image for Solr
+      solr__P__server: http://dspacesolr:8983/solr
     depends_on:
     - dspacedb
     image: dspace/dspace:dspace-7_x-test
@@ -29,7 +42,6 @@ services:
     tty: true
     volumes:
     - assetstore:/dspace/assetstore
-    - "./local.cfg:/dspace/config/local.cfg"
     # Mount DSpace's solr configs to a volume, so that we can share to 'dspacesolr' container (see below)
     - solr_configs:/dspace/solr
     # Ensure that the database is ready BEFORE starting tomcat

docker/docker-compose-rest.yml

@@ -13,10 +13,32 @@
 version: '3.7'
 networks:
   dspacenet:
+    ipam:
+      config:
+        # Define a custom subnet for our DSpace network, so that we can easily trust requests from host to container.
+        # If you customize this value, be sure to customize the 'proxies.trusted.ipranges' env variable below.
+        - subnet: 172.23.0.0/16
 services:
   # DSpace (backend) webapp container
   dspace:
     container_name: dspace
+    environment:
+      # Below syntax may look odd, but it is how to override dspace.cfg settings via env variables.
+      # See https://github.com/DSpace/DSpace/blob/main/dspace/config/config-definition.xml
+      # __P__ => "." (e.g. dspace__P__dir => dspace.dir)
+      # __D__ => "-" (e.g. google__D__metadata => google-metadata)
+      # dspace.dir, dspace.server.url, dspace.ui.url and dspace.name
+      dspace__P__dir: /dspace
+      dspace__P__server__P__url: http://localhost:8080/server
+      dspace__P__ui__P__url: http://localhost:4000
+      dspace__P__name: 'DSpace Started with Docker Compose'
+      # db.url: Ensure we are using the 'dspacedb' image for our database
+      db__P__url: 'jdbc:postgresql://dspacedb:5432/dspace'
+      # solr.server: Ensure we are using the 'dspacesolr' image for Solr
+      solr__P__server: http://dspacesolr:8983/solr
+      # proxies.trusted.ipranges: This setting is required for a REST API running in Docker to trust requests 
+      # from the host machine. This IP range MUST correspond to the 'dspacenet' subnet defined above.
+      proxies__P__trusted__P__ipranges: '172.23.0'
     image: dspace/dspace:dspace-7_x-test
     depends_on:
     - dspacedb
@@ -29,7 +51,6 @@ services:
     tty: true
     volumes:
     - assetstore:/dspace/assetstore
-    - "./local.cfg:/dspace/config/local.cfg"
     # Mount DSpace's solr configs to a volume, so that we can share to 'dspacesolr' container (see below)
     - solr_configs:/dspace/solr
     # Ensure that the database is ready BEFORE starting tomcat

docker/docker-compose.yml

@@ -16,10 +16,14 @@ services:
   dspace-angular:
     container_name: dspace-angular
     environment:
-      DSPACE_HOST: dspace-angular
-      DSPACE_NAMESPACE: /
-      DSPACE_PORT: '4000'
-      DSPACE_SSL: "false"
+      DSPACE_UI_SSL: 'false'
+      DSPACE_UI_HOST: dspace-angular
+      DSPACE_UI_PORT: '4000'
+      DSPACE_UI_NAMESPACE: /
+      DSPACE_REST_SSL: 'false'
+      DSPACE_REST_HOST: localhost
+      DSPACE_REST_PORT: 8080
+      DSPACE_REST_NAMESPACE: /server
     image: dspace/dspace-angular:dspace-7_x
     build:
       context: ..
@@ -33,5 +37,3 @@ services:
       target: 9876
     stdin_open: true
     tty: true
-    volumes:
-    - ./environment.dev.ts:/app/src/environments/environment.dev.ts

docker/environment.dev.ts

@@ -1,18 +0,0 @@
-/**
- * The contents of this file are subject to the license and copyright
- * detailed in the LICENSE and NOTICE files at the root of the source
- * tree and available online at
- *
- * http://www.dspace.org/license/
- */
-// This file is based on environment.template.ts provided by Angular UI
-export const environment = {
-  // Default to using the local REST API (running in Docker)
-  rest: {
-    ssl: false,
-    host: 'localhost',
-    port: 8080,
-    // NOTE: Space is capitalized because 'namespace' is a reserved string in TypeScript
-    nameSpace: '/server'
-  }
-};

docker/local.cfg

@@ -1,6 +0,0 @@
-dspace.dir=/dspace
-db.url=jdbc:postgresql://dspacedb:5432/dspace
-dspace.server.url=http://localhost:8080/server
-dspace.ui.url=http://localhost:4000
-dspace.name=DSpace Started with Docker Compose
-solr.server=http://dspacesolr:8983/solr

package.json

@@ -30,7 +30,7 @@
     "clean:json": "rimraf *.records.json",
     "clean:node": "rimraf node_modules",
     "clean:prod": "yarn run clean:dist && yarn run clean:log && yarn run clean:doc && yarn run clean:coverage && yarn run clean:json",
-    "clean": "yarn run clean:prod && yarn run clean:node && yarn run clean:dev:config",
+    "clean": "yarn run clean:prod && yarn run clean:dev:config && yarn run clean:node",
     "sync-i18n": "ts-node --project ./tsconfig.ts-node.json scripts/sync-i18n-files.ts",
     "build:mirador": "webpack --config webpack/webpack.mirador.config.ts",
     "merge-i18n": "ts-node --project ./tsconfig.ts-node.json scripts/merge-i18n-files.ts",

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

@@ -9,13 +9,15 @@ import { GroupFormComponent } from './group-registry/group-form/group-form.compo
 import { MembersListComponent } from './group-registry/group-form/members-list/members-list.component';
 import { SubgroupsListComponent } from './group-registry/group-form/subgroup-list/subgroups-list.component';
 import { GroupsRegistryComponent } from './group-registry/groups-registry.component';
+import { FormModule } from '../shared/form/form.module';
 
 @NgModule({
   imports: [
     CommonModule,
     SharedModule,
     RouterModule,
-    AccessControlRoutingModule
+    AccessControlRoutingModule,
+    FormModule
   ],
   declarations: [
     EPeopleRegistryComponent,

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

@@ -19,7 +19,7 @@
             class="btn btn-outline-secondary"><i class="fas fa-arrow-left"></i> {{messagePrefix + '.return' | translate}}</button>
   </div>
   <div between class="btn-group">
-    <button class="btn btn-primary" [disabled]="!(canReset$ | async)">
+    <button class="btn btn-primary" [disabled]="!(canReset$ | async)" (click)="resetPassword()">
       <i class="fa fa-key"></i> {{'admin.access-control.epeople.actions.reset' | translate}}
     </button>
   </div>
@@ -36,9 +36,13 @@
   </button>
 </ds-form>
 
+<ds-loading [showMessage]="false" *ngIf="!formGroup"></ds-loading>
+
 <div *ngIf="epersonService.getActiveEPerson() | async">
   <h5>{{messagePrefix + '.groupsEPersonIsMemberOf' | translate}}</h5>
 
+  <ds-loading [showMessage]="false" *ngIf="!(groups | async)"></ds-loading>
+
   <ds-pagination
     *ngIf="(groups | async)?.payload?.totalElements > 0"
     [paginationOptions]="config"

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

@@ -2,7 +2,7 @@ import { Observable, of as observableOf } from 'rxjs';
 import { CommonModule } from '@angular/common';
 import { NO_ERRORS_SCHEMA } from '@angular/core';
 import { ComponentFixture, TestBed, waitForAsync } from '@angular/core/testing';
-import { FormsModule, ReactiveFormsModule } from '@angular/forms';
+import { FormControl, FormGroup, FormsModule, ReactiveFormsModule, Validators } from '@angular/forms';
 import { BrowserModule, By } from '@angular/platform-browser';
 import { NgbModule } from '@ng-bootstrap/ng-bootstrap';
 import { TranslateLoader, TranslateModule } from '@ngx-translate/core';
@@ -14,6 +14,7 @@ import { EPerson } from '../../../core/eperson/models/eperson.model';
 import { PageInfo } from '../../../core/shared/page-info.model';
 import { FormBuilderService } from '../../../shared/form/builder/form-builder.service';
 import { NotificationsService } from '../../../shared/notifications/notifications.service';
+import { EPeopleRegistryComponent } from '../epeople-registry.component';
 import { EPersonFormComponent } from './eperson-form.component';
 import { EPersonMock, EPersonMock2 } from '../../../shared/testing/eperson.mock';
 import { createSuccessfulRemoteDataObject$ } from '../../../shared/remote-data.utils';
@@ -28,9 +29,8 @@ import { createPaginatedList } from '../../../shared/testing/utils.test';
 import { RequestService } from '../../../core/data/request.service';
 import { PaginationService } from '../../../core/pagination/pagination.service';
 import { PaginationServiceStub } from '../../../shared/testing/pagination-service.stub';
-import { FormArray, FormControl, FormGroup,Validators, NG_VALIDATORS, NG_ASYNC_VALIDATORS } from '@angular/forms';
 import { ValidateEmailNotTaken } from './validators/email-taken.validator';
-
+import { EpersonRegistrationService } from '../../../core/data/eperson-registration.service';
 
 describe('EPersonFormComponent', () => {
   let component: EPersonFormComponent;
@@ -42,6 +42,7 @@ describe('EPersonFormComponent', () => {
   let authService: AuthServiceStub;
   let authorizationService: AuthorizationDataService;
   let groupsDataService: GroupDataService;
+  let epersonRegistrationService: EpersonRegistrationService;
 
   let paginationService;
 
@@ -199,12 +200,18 @@ describe('EPersonFormComponent', () => {
         { provide: AuthService, useValue: authService },
         { provide: AuthorizationDataService, useValue: authorizationService },
         { provide: PaginationService, useValue: paginationService },
-        { provide: RequestService, useValue: jasmine.createSpyObj('requestService', ['removeByHrefSubstring']) }
+        { provide: RequestService, useValue: jasmine.createSpyObj('requestService', ['removeByHrefSubstring'])},
+        { provide: EpersonRegistrationService, useValue: epersonRegistrationService },
+        EPeopleRegistryComponent
       ],
       schemas: [NO_ERRORS_SCHEMA]
     }).compileComponents();
   }));
 
+  epersonRegistrationService = jasmine.createSpyObj('epersonRegistrationService', {
+    registerEmail: createSuccessfulRemoteDataObject$(null)
+  });
+
   beforeEach(() => {
     fixture = TestBed.createComponent(EPersonFormComponent);
     component = fixture.componentInstance;
@@ -514,4 +521,23 @@ describe('EPersonFormComponent', () => {
       expect(component.epersonService.deleteEPerson).toHaveBeenCalledWith(eperson);
     });
   });
+
+  describe('Reset Password', () => {
+    let ePersonId;
+    let ePersonEmail;
+
+    beforeEach(() => {
+      ePersonId = 'testEPersonId';
+      ePersonEmail = 'person.email@4science.it';
+      component.epersonInitial = Object.assign(new EPerson(), {
+        id: ePersonId,
+        email: ePersonEmail
+      });
+      component.resetPassword();
+    });
+
+    it('should call epersonRegistrationService.registerEmail', () => {
+      expect(epersonRegistrationService.registerEmail).toHaveBeenCalledWith(ePersonEmail);
+    });
+  });
 });

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

@@ -34,6 +34,8 @@ import { NoContent } from '../../../core/shared/NoContent.model';
 import { PaginationService } from '../../../core/pagination/pagination.service';
 import { followLink } from '../../../shared/utils/follow-link-config.model';
 import { ValidateEmailNotTaken } from './validators/email-taken.validator';
+import { Registration } from '../../../core/shared/registration.model';
+import { EpersonRegistrationService } from '../../../core/data/eperson-registration.service';
 
 @Component({
   selector: 'ds-eperson-form',
@@ -121,7 +123,7 @@ export class EPersonFormComponent implements OnInit, OnDestroy {
    * Observable whether or not the admin is allowed to reset the EPerson's password
    * TODO: Initialize the observable once the REST API supports this (currently hardcoded to return false)
    */
-  canReset$: Observable<boolean> = observableOf(false);
+  canReset$: Observable<boolean>;
 
   /**
    * Observable whether or not the admin is allowed to delete the EPerson
@@ -167,7 +169,8 @@ export class EPersonFormComponent implements OnInit, OnDestroy {
    */
   emailValueChangeSubscribe: Subscription;
 
-  constructor(protected changeDetectorRef: ChangeDetectorRef,
+  constructor(
+    protected changeDetectorRef: ChangeDetectorRef,
     public epersonService: EPersonDataService,
     public groupsDataService: GroupDataService,
     private formBuilderService: FormBuilderService,
@@ -177,7 +180,9 @@ export class EPersonFormComponent implements OnInit, OnDestroy {
     private authorizationService: AuthorizationDataService,
     private modalService: NgbModal,
     private paginationService: PaginationService,
-              public requestService: RequestService) {
+    public requestService: RequestService,
+    private epersonRegistrationService: EpersonRegistrationService,
+  ) {
     this.subs.push(this.epersonService.getActiveEPerson().subscribe((eperson: EPerson) => {
       this.epersonInitial = eperson;
       if (hasValue(eperson)) {
@@ -310,6 +315,7 @@ export class EPersonFormComponent implements OnInit, OnDestroy {
       this.canDelete$ = activeEPerson$.pipe(
         switchMap((eperson) => this.authorizationService.isAuthorized(FeatureID.CanDelete, hasValue(eperson) ? eperson.self : undefined))
       );
+      this.canReset$ = observableOf(true);
     });
   }
 
@@ -479,6 +485,26 @@ export class EPersonFormComponent implements OnInit, OnDestroy {
     this.isImpersonated = false;
   }
 
+  /**
+   * Sends an email to current eperson address with the information
+   * to reset password
+   */
+  resetPassword() {
+    if (hasValue(this.epersonInitial.email)) {
+      this.epersonRegistrationService.registerEmail(this.epersonInitial.email).pipe(getFirstCompletedRemoteData())
+        .subscribe((response: RemoteData<Registration>) => {
+            if (response.hasSucceeded) {
+              this.notificationsService.success(this.translateService.get('admin.access-control.epeople.actions.reset'),
+                this.translateService.get('forgot-email.form.success.content', {email: this.epersonInitial.email}));
+            } else {
+              this.notificationsService.error(this.translateService.get('forgot-email.form.error.head'),
+                this.translateService.get('forgot-email.form.error.content', {email: this.epersonInitial.email}));
+            }
+          }
+        );
+    }
+  }
+
   /**
    * Cancel the current edit when component is destroyed & unsub all subscriptions
    */

src/app/admin/admin-registries/admin-registries.module.ts

@@ -8,6 +8,7 @@ import { SharedModule } from '../../shared/shared.module';
 import { MetadataSchemaFormComponent } from './metadata-registry/metadata-schema-form/metadata-schema-form.component';
 import { MetadataFieldFormComponent } from './metadata-schema/metadata-field-form/metadata-field-form.component';
 import { BitstreamFormatsModule } from './bitstream-formats/bitstream-formats.module';
+import { FormModule } from '../../shared/form/form.module';
 
 @NgModule({
   imports: [
@@ -15,7 +16,8 @@ import { BitstreamFormatsModule } from './bitstream-formats/bitstream-formats.mo
     SharedModule,
     RouterModule,
     BitstreamFormatsModule,
-    AdminRegistriesRoutingModule
+    AdminRegistriesRoutingModule,
+    FormModule
   ],
   declarations: [
     MetadataRegistryComponent,

src/app/admin/admin-registries/bitstream-formats/bitstream-formats.module.ts

@@ -7,13 +7,15 @@ import { FormatFormComponent } from './format-form/format-form.component';
 import { EditBitstreamFormatComponent } from './edit-bitstream-format/edit-bitstream-format.component';
 import { BitstreamFormatsRoutingModule } from './bitstream-formats-routing.module';
 import { AddBitstreamFormatComponent } from './add-bitstream-format/add-bitstream-format.component';
+import { FormModule } from '../../../shared/form/form.module';
 
 @NgModule({
   imports: [
     CommonModule,
     SharedModule,
     RouterModule,
-    BitstreamFormatsRoutingModule
+    BitstreamFormatsRoutingModule,
+    FormModule
   ],
   declarations: [
     BitstreamFormatsComponent,

src/app/admin/admin-search-page/admin-search.module.ts

@@ -10,6 +10,7 @@ import { CollectionAdminSearchResultGridElementComponent } from './admin-search-
 import { ItemAdminSearchResultActionsComponent } from './admin-search-results/item-admin-search-result-actions.component';
 import { JournalEntitiesModule } from '../../entity-groups/journal-entities/journal-entities.module';
 import { ResearchEntitiesModule } from '../../entity-groups/research-entities/research-entities.module';
+import { SearchModule } from '../../shared/search/search.module';
 
 const ENTRY_COMPONENTS = [
   // put only entry components that use custom decorator
@@ -24,6 +25,7 @@ const ENTRY_COMPONENTS = [
 
 @NgModule({
   imports: [
+    SearchModule,
     SharedModule.withEntryComponents(),
     JournalEntitiesModule.withEntryComponents(),
     ResearchEntitiesModule.withEntryComponents()

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

@@ -18,6 +18,8 @@ import { ActivatedRoute } from '@angular/router';
 import { AuthorizationDataService } from '../../core/data/feature-authorization/authorization-data.service';
 import { FeatureID } from '../../core/data/feature-authorization/feature-id';
 import createSpy = jasmine.createSpy;
+import { createSuccessfulRemoteDataObject } from '../../shared/remote-data.utils';
+import { Item } from '../../core/shared/item.model';
 
 describe('AdminSidebarComponent', () => {
   let comp: AdminSidebarComponent;
@@ -26,6 +28,28 @@ describe('AdminSidebarComponent', () => {
   let authorizationService: AuthorizationDataService;
   let scriptService;
 
+
+  const mockItem = Object.assign(new Item(), {
+    id: 'fake-id',
+    uuid: 'fake-id',
+    handle: 'fake/handle',
+    lastModified: '2018',
+    _links: {
+      self: {
+        href: 'https://localhost:8000/items/fake-id'
+      }
+    }
+  });
+
+
+  const routeStub = {
+    data: observableOf({
+      dso: createSuccessfulRemoteDataObject(mockItem)
+    }),
+    children: []
+  };
+
+
   beforeEach(waitForAsync(() => {
     authorizationService = jasmine.createSpyObj('authorizationService', {
       isAuthorized: observableOf(true)
@@ -42,6 +66,7 @@ describe('AdminSidebarComponent', () => {
         { provide: ActivatedRoute, useValue: {} },
         { provide: AuthorizationDataService, useValue: authorizationService },
         { provide: ScriptDataService, useValue: scriptService },
+        { provide: ActivatedRoute, useValue: routeStub },
         {
           provide: NgbModal, useValue: {
             open: () => {/*comment*/

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

@@ -21,6 +21,7 @@ import { MenuService } from '../../shared/menu/menu.service';
 import { CSSVariableService } from '../../shared/sass-helper/sass-helper.service';
 import { AuthorizationDataService } from '../../core/data/feature-authorization/authorization-data.service';
 import { FeatureID } from '../../core/data/feature-authorization/feature-id';
+import { Router, ActivatedRoute } from '@angular/router';
 
 /**
  * Component representing the admin sidebar
@@ -67,10 +68,11 @@ export class AdminSidebarComponent extends MenuComponent implements OnInit {
     private variableService: CSSVariableService,
     private authService: AuthService,
     private modalService: NgbModal,
-              private authorizationService: AuthorizationDataService,
+    public authorizationService: AuthorizationDataService,
     private scriptDataService: ScriptDataService,
+    public route: ActivatedRoute
   ) {
-    super(menuService, injector);
+    super(menuService, injector, authorizationService, route);
     this.inFocus$ = new BehaviorSubject(false);
   }
 

src/app/admin/admin-workflow-page/admin-workflow.module.ts

@@ -5,6 +5,7 @@ import { WorkflowItemSearchResultAdminWorkflowGridElementComponent } from './adm
 import { WorkflowItemAdminWorkflowActionsComponent } from './admin-workflow-search-results/workflow-item-admin-workflow-actions.component';
 import { WorkflowItemSearchResultAdminWorkflowListElementComponent } from './admin-workflow-search-results/admin-workflow-search-result-list-element/workflow-item/workflow-item-search-result-admin-workflow-list-element.component';
 import { AdminWorkflowPageComponent } from './admin-workflow-page.component';
+import { SearchModule } from '../../shared/search/search.module';
 
 const ENTRY_COMPONENTS = [
   // put only entry components that use custom decorator
@@ -14,6 +15,7 @@ const ENTRY_COMPONENTS = [
 
 @NgModule({
   imports: [
+    SearchModule,
     SharedModule.withEntryComponents()
   ],
   declarations: [

src/app/admin/admin.module.ts

@@ -24,7 +24,7 @@ const ENTRY_COMPONENTS = [
     AccessControlModule,
     AdminSearchModule.withEntryComponents(),
     AdminWorkflowModuleModule.withEntryComponents(),
-    SharedModule,
+    SharedModule
   ],
   declarations: [
     AdminCurationTasksComponent,

src/app/app-routing-paths.ts

@@ -89,6 +89,12 @@ export function getPageNotFoundRoute() {
   return `/${PAGE_NOT_FOUND_PATH}`;
 }
 
+export const INTERNAL_SERVER_ERROR = '500';
+
+export function getPageInternalServerErrorRoute() {
+  return `/${INTERNAL_SERVER_ERROR}`;
+}
+
 export const INFO_MODULE_PATH = 'info';
 export function getInfoModulePath() {
   return `/${INFO_MODULE_PATH}`;

src/app/app-routing.module.ts

@@ -11,10 +11,12 @@ import {
   FORBIDDEN_PATH,
   FORGOT_PASSWORD_PATH,
   INFO_MODULE_PATH,
+  INTERNAL_SERVER_ERROR,
+  LEGACY_BITSTREAM_MODULE_PATH,
   PROFILE_MODULE_PATH,
   REGISTER_PATH,
+  REQUEST_COPY_MODULE_PATH,
   WORKFLOW_ITEM_MODULE_PATH,
-  LEGACY_BITSTREAM_MODULE_PATH, REQUEST_COPY_MODULE_PATH,
 } from './app-routing-paths';
 import { COLLECTION_MODULE_PATH } from './collection-page/collection-page-routing-paths';
 import { COMMUNITY_MODULE_PATH } from './community-page/community-page-routing-paths';
@@ -26,14 +28,25 @@ import { SiteRegisterGuard } from './core/data/feature-authorization/feature-aut
 import { ThemedPageNotFoundComponent } from './pagenotfound/themed-pagenotfound.component';
 import { ThemedForbiddenComponent } from './forbidden/themed-forbidden.component';
 import { GroupAdministratorGuard } from './core/data/feature-authorization/feature-authorization-guard/group-administrator.guard';
+import { ThemedPageInternalServerErrorComponent } from './page-internal-server-error/themed-page-internal-server-error.component';
+import { ServerCheckGuard } from './core/server-check/server-check.guard';
 
 @NgModule({
   imports: [
-    RouterModule.forRoot([{
-      path: '', canActivate: [AuthBlockingGuard],
+    RouterModule.forRoot([
+      { path: INTERNAL_SERVER_ERROR, component: ThemedPageInternalServerErrorComponent },
+      {
+        path: '',
+        canActivate: [AuthBlockingGuard],
+        canActivateChild: [ServerCheckGuard],
         children: [
           { path: '', redirectTo: '/home', pathMatch: 'full' },
-          { path: 'reload/:rnd', component: ThemedPageNotFoundComponent, pathMatch: 'full', canActivate: [ReloadGuard] },
+          {
+            path: 'reload/:rnd',
+            component: ThemedPageNotFoundComponent,
+            pathMatch: 'full',
+            canActivate: [ReloadGuard]
+          },
           {
             path: 'home',
             loadChildren: () => import('./home-page/home-page.module')
@@ -89,7 +102,8 @@ import { GroupAdministratorGuard } from './core/data/feature-authorization/featu
               .then((m) => m.ItemPageModule),
             canActivate: [EndUserAgreementCurrentUserGuard]
           },
-          { path: 'entities/:entity-type',
+          {
+            path: 'entities/:entity-type',
             loadChildren: () => import('./item-page/item-page.module')
               .then((m) => m.ItemPageModule),
             canActivate: [EndUserAgreementCurrentUserGuard]
@@ -133,12 +147,12 @@ import { GroupAdministratorGuard } from './core/data/feature-authorization/featu
           {
             path: 'login',
             loadChildren: () => import('./login-page/login-page.module')
-              .then((m) => m.LoginPageModule),
+              .then((m) => m.LoginPageModule)
           },
           {
             path: 'logout',
             loadChildren: () => import('./logout-page/logout-page.module')
-              .then((m) => m.LogoutPageModule),
+              .then((m) => m.LogoutPageModule)
           },
           {
             path: 'submit',
@@ -178,7 +192,7 @@ import { GroupAdministratorGuard } from './core/data/feature-authorization/featu
           },
           {
             path: INFO_MODULE_PATH,
-            loadChildren: () => import('./info/info.module').then((m) => m.InfoModule),
+            loadChildren: () => import('./info/info.module').then((m) => m.InfoModule)
           },
           {
             path: REQUEST_COPY_MODULE_PATH,
@@ -192,7 +206,7 @@ import { GroupAdministratorGuard } from './core/data/feature-authorization/featu
           {
             path: 'statistics',
             loadChildren: () => import('./statistics-page/statistics-page-routing.module')
-              .then((m) => m.StatisticsPageRoutingModule),
+              .then((m) => m.StatisticsPageRoutingModule)
           },
           {
             path: ACCESS_CONTROL_MODULE_PATH,
@@ -200,8 +214,9 @@ import { GroupAdministratorGuard } from './core/data/feature-authorization/featu
             canActivate: [GroupAdministratorGuard],
           },
           { path: '**', pathMatch: 'full', component: ThemedPageNotFoundComponent },
-      ]}
-    ],{
+        ]
+      }
+    ], {
       onSameUrlNavigation: 'reload',
 })
   ],

src/app/app.module.ts

@@ -54,11 +54,10 @@ import { ThemedFooterComponent } from './footer/themed-footer.component';
 import { ThemedBreadcrumbsComponent } from './breadcrumbs/themed-breadcrumbs.component';
 import { ThemedHeaderNavbarWrapperComponent } from './header-nav-wrapper/themed-header-navbar-wrapper.component';
 import { IdleModalComponent } from './shared/idle-modal/idle-modal.component';
+import { ThemedPageInternalServerErrorComponent } from './page-internal-server-error/themed-page-internal-server-error.component';
+import { PageInternalServerErrorComponent } from './page-internal-server-error/page-internal-server-error.component';
 
-import { UUIDService } from './core/shared/uuid.service';
-import { CookieService } from './core/services/cookie.service';
-
-import { AppConfig, APP_CONFIG } from '../config/app-config.interface';
+import { APP_CONFIG, AppConfig } from '../config/app-config.interface';
 
 export function getConfig() {
   return environment;
@@ -156,21 +155,6 @@ const PROVIDERS = [
     useClass: LogInterceptor,
     multi: true
   },
-  // insert the unique id of the user that is using the application utilizing cookies
-  {
-    provide: APP_INITIALIZER,
-    useFactory: (cookieService: CookieService, uuidService: UUIDService) => {
-      const correlationId = cookieService.get('CORRELATION-ID');
-
-      // Check if cookie exists, if don't, set it with unique id
-      if (!correlationId) {
-        cookieService.set('CORRELATION-ID', uuidService.generate());
-      }
-      return () => true;
-    },
-    multi: true,
-    deps: [CookieService, UUIDService]
-  },
   {
     provide: DYNAMIC_ERROR_MESSAGES_MATCHER,
     useValue: ValidateEmailErrorStateMatcher
@@ -199,7 +183,9 @@ const DECLARATIONS = [
   ThemedBreadcrumbsComponent,
   ForbiddenComponent,
   ThemedForbiddenComponent,
-  IdleModalComponent
+  IdleModalComponent,
+  ThemedPageInternalServerErrorComponent,
+  PageInternalServerErrorComponent
 ];
 
 const EXPORTS = [

src/app/app.reducer.ts

@@ -49,6 +49,7 @@ import {
 import { sidebarReducer, SidebarState } from './shared/sidebar/sidebar.reducer';
 import { truncatableReducer, TruncatablesState } from './shared/truncatable/truncatable.reducer';
 import { ThemeState, themeReducer } from './shared/theme-support/theme.reducer';
+import { correlationIdReducer } from './correlation-id/correlation-id.reducer';
 
 export interface AppState {
   router: fromRouter.RouterReducerState;
@@ -69,6 +70,7 @@ export interface AppState {
   communityList: CommunityListState;
   epeopleRegistry: EPeopleRegistryState;
   groupRegistry: GroupRegistryState;
+  correlationId: string;
 }
 
 export const appReducers: ActionReducerMap<AppState> = {
@@ -90,6 +92,7 @@ export const appReducers: ActionReducerMap<AppState> = {
   communityList: CommunityListReducer,
   epeopleRegistry: ePeopleRegistryReducer,
   groupRegistry: groupRegistryReducer,
+  correlationId: correlationIdReducer
 };
 
 export const routerStateSelector = (state: AppState) => state.router;

src/app/bitstream-page/bitstream-page.module.ts

@@ -4,6 +4,8 @@ import { SharedModule } from '../shared/shared.module';
 import { EditBitstreamPageComponent } from './edit-bitstream-page/edit-bitstream-page.component';
 import { BitstreamPageRoutingModule } from './bitstream-page-routing.module';
 import { BitstreamAuthorizationsComponent } from './bitstream-authorizations/bitstream-authorizations.component';
+import { FormModule } from '../shared/form/form.module';
+import { ResourcePoliciesModule } from '../shared/resource-policies/resource-policies.module';
 
 /**
  * This module handles all components that are necessary for Bitstream related pages
@@ -12,7 +14,9 @@ import { BitstreamAuthorizationsComponent } from './bitstream-authorizations/bit
   imports: [
     CommonModule,
     SharedModule,
-    BitstreamPageRoutingModule
+    BitstreamPageRoutingModule,
+    FormModule,
+    ResourcePoliciesModule
   ],
   declarations: [
     BitstreamAuthorizationsComponent,

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

@@ -63,7 +63,7 @@ export class BrowseByDatePageComponent extends BrowseByMetadataPageComponent {
         this.browseId = params.id || this.defaultBrowseId;
         this.startsWith = +params.startsWith || params.startsWith;
         const searchOptions = browseParamsToOptions(params, currentPage, currentSort, this.browseId);
-        this.updatePageWithItems(searchOptions, this.value);
+        this.updatePageWithItems(searchOptions, this.value, undefined);
         this.updateParent(params.scope);
         this.updateStartsWithOptions(this.browseId, metadataKeys, params.scope);
       }));

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

@@ -99,6 +99,11 @@ export class BrowseByMetadataPageComponent implements OnInit {
    */
   value = '';
 
+  /**
+   * The authority key (may be undefined) associated with {@link #value}.
+   */
+   authority: string;
+
   /**
    * The current startsWith option (fetched and updated from query-params)
    */
@@ -123,11 +128,12 @@ export class BrowseByMetadataPageComponent implements OnInit {
         })
       ).subscribe(([params, currentPage, currentSort]: [Params, PaginationComponentOptions, SortOptions]) => {
           this.browseId = params.id || this.defaultBrowseId;
+          this.authority = params.authority;
           this.value = +params.value || params.value || '';
           this.startsWith = +params.startsWith || params.startsWith;
           const searchOptions = browseParamsToOptions(params, currentPage, currentSort, this.browseId);
           if (isNotEmpty(this.value)) {
-            this.updatePageWithItems(searchOptions, this.value);
+            this.updatePageWithItems(searchOptions, this.value, this.authority);
           } else {
             this.updatePage(searchOptions);
           }
@@ -166,8 +172,8 @@ export class BrowseByMetadataPageComponent implements OnInit {
    *                          scope: string }
    * @param value          The value of the browse-entry to display items for
    */
-  updatePageWithItems(searchOptions: BrowseEntrySearchOptions, value: string) {
-    this.items$ = this.browseService.getBrowseItemsFor(value, searchOptions);
+  updatePageWithItems(searchOptions: BrowseEntrySearchOptions, value: string, authority: string) {
+    this.items$ = this.browseService.getBrowseItemsFor(value, authority, searchOptions);
   }
 
   /**

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

@@ -46,7 +46,7 @@ export class BrowseByTitlePageComponent extends BrowseByMetadataPageComponent {
         })
       ).subscribe(([params, currentPage, currentSort]: [Params, PaginationComponentOptions, SortOptions]) => {
         this.browseId = params.id || this.defaultBrowseId;
-        this.updatePageWithItems(browseParamsToOptions(params, currentPage, currentSort, this.browseId), undefined);
+        this.updatePageWithItems(browseParamsToOptions(params, currentPage, currentSort, this.browseId), undefined, undefined);
         this.updateParent(params.scope);
       }));
     this.updateStartsWithTextOptions();

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

@@ -6,6 +6,7 @@ import { BrowseByMetadataPageComponent } from './browse-by-metadata-page/browse-
 import { BrowseByDatePageComponent } from './browse-by-date-page/browse-by-date-page.component';
 import { BrowseBySwitcherComponent } from './browse-by-switcher/browse-by-switcher.component';
 import { ThemedBrowseBySwitcherComponent } from './browse-by-switcher/themed-browse-by-switcher.component';
+import { ComcolModule } from '../shared/comcol/comcol.module';
 
 const ENTRY_COMPONENTS = [
   // put only entry components that use custom decorator
@@ -17,6 +18,7 @@ const ENTRY_COMPONENTS = [
 @NgModule({
   imports: [
     CommonModule,
+    ComcolModule,
     SharedModule
   ],
   declarations: [

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

@@ -10,7 +10,7 @@ import {
 } from '@ng-dynamic-forms/core';
 
 import { Collection } from '../../core/shared/collection.model';
-import { ComColFormComponent } from '../../shared/comcol-forms/comcol-form/comcol-form.component';
+import { ComColFormComponent } from '../../shared/comcol/comcol-forms/comcol-form/comcol-form.component';
 import { NotificationsService } from '../../shared/notifications/notifications.service';
 import { CommunityDataService } from '../../core/data/community-data.service';
 import { AuthService } from '../../core/auth/auth.service';
@@ -28,8 +28,8 @@ import { NONE_ENTITY_TYPE } from '../../core/shared/item-relationships/item-type
  */
 @Component({
   selector: 'ds-collection-form',
-  styleUrls: ['../../shared/comcol-forms/comcol-form/comcol-form.component.scss'],
-  templateUrl: '../../shared/comcol-forms/comcol-form/comcol-form.component.html'
+  styleUrls: ['../../shared/comcol/comcol-forms/comcol-form/comcol-form.component.scss'],
+  templateUrl: '../../shared/comcol/comcol-forms/comcol-form/comcol-form.component.html'
 })
 export class CollectionFormComponent extends ComColFormComponent<Collection> implements OnInit {
   /**

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

@@ -2,9 +2,13 @@ import { NgModule } from '@angular/core';
 
 import { CollectionFormComponent } from './collection-form.component';
 import { SharedModule } from '../../shared/shared.module';
+import { ComcolModule } from '../../shared/comcol/comcol.module';
+import { FormModule } from '../../shared/form/form.module';
 
 @NgModule({
   imports: [
+    ComcolModule,
+    FormModule,
     SharedModule
   ],
   declarations: [

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

@@ -33,7 +33,7 @@ import { ErrorComponent } from '../../shared/error/error.component';
 import { LoadingComponent } from '../../shared/loading/loading.component';
 import { SearchConfigurationService } from '../../core/shared/search/search-configuration.service';
 import { SearchService } from '../../core/shared/search/search.service';
-import { PaginatedSearchOptions } from '../../shared/search/paginated-search-options.model';
+import { PaginatedSearchOptions } from '../../shared/search/models/paginated-search-options.model';
 import {
   createFailedRemoteDataObject$,
   createSuccessfulRemoteDataObject,

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

@@ -9,10 +9,11 @@ import { Collection } from '../../core/shared/collection.model';
 import { PaginatedList } from '../../core/data/paginated-list.model';
 import { map, startWith, switchMap, take } from 'rxjs/operators';
 import {
-    getRemoteDataPayload,
+  getAllSucceededRemoteData,
+  getFirstCompletedRemoteData,
   getFirstSucceededRemoteData,
-    toDSpaceObjectListRD,
-    getFirstCompletedRemoteData, getAllSucceededRemoteData
+  getRemoteDataPayload,
+  toDSpaceObjectListRD
 } from '../../core/shared/operators';
 import { DSpaceObject } from '../../core/shared/dspace-object.model';
 import { DSpaceObjectType } from '../../core/shared/dspace-object-type.model';
@@ -24,7 +25,7 @@ import { CollectionDataService } from '../../core/data/collection-data.service';
 import { isNotEmpty } from '../../shared/empty.util';
 import { SEARCH_CONFIG_SERVICE } from '../../my-dspace-page/my-dspace-page.component';
 import { SearchConfigurationService } from '../../core/shared/search/search-configuration.service';
-import { PaginatedSearchOptions } from '../../shared/search/paginated-search-options.model';
+import { PaginatedSearchOptions } from '../../shared/search/models/paginated-search-options.model';
 import { SearchService } from '../../core/shared/search/search.service';
 import { followLink } from '../../shared/utils/follow-link-config.model';
 import { NoContent } from '../../core/shared/NoContent.model';

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

@@ -1,13 +1,8 @@
 import { ChangeDetectionStrategy, Component, OnInit } from '@angular/core';
 import { ActivatedRoute, Router } from '@angular/router';
-import {
-  BehaviorSubject,
-  combineLatest as observableCombineLatest,
-  Observable,
-  Subject
-} from 'rxjs';
+import { BehaviorSubject, combineLatest as observableCombineLatest, Observable, Subject } from 'rxjs';
 import { filter, map, mergeMap, startWith, switchMap, take } from 'rxjs/operators';
-import { PaginatedSearchOptions } from '../shared/search/paginated-search-options.model';
+import { PaginatedSearchOptions } from '../shared/search/models/paginated-search-options.model';
 import { SearchService } from '../core/shared/search/search.service';
 import { SortDirection, SortOptions } from '../core/cache/models/sort-options.model';
 import { CollectionDataService } from '../core/data/collection-data.service';
@@ -103,7 +98,7 @@ export class CollectionPageComponent implements OnInit {
     const currentSort$ = this.paginationService.getCurrentSort(this.paginationConfig.id, this.sortConfig);
 
     this.itemRD$ = observableCombineLatest([currentPagination$, currentSort$]).pipe(
-      switchMap(([currentPagination, currentSort ]) => this.collectionRD$.pipe(
+      switchMap(([currentPagination, currentSort]) => this.collectionRD$.pipe(
         getFirstSucceededRemoteData(),
         map((rd) => rd.payload.id),
         switchMap((id: string) => {

src/app/collection-page/collection-page.module.ts

@@ -14,6 +14,7 @@ import { SearchService } from '../core/shared/search/search.service';
 import { StatisticsModule } from '../statistics/statistics.module';
 import { CollectionFormModule } from './collection-form/collection-form.module';
 import { ThemedCollectionPageComponent } from './themed-collection-page.component';
+import { ComcolModule } from '../shared/comcol/comcol.module';
 
 @NgModule({
   imports: [
@@ -22,7 +23,8 @@ import { ThemedCollectionPageComponent } from './themed-collection-page.componen
     CollectionPageRoutingModule,
     StatisticsModule.forRoot(),
     EditItemPageModule,
-    CollectionFormModule
+    CollectionFormModule,
+    ComcolModule
   ],
   declarations: [
     CollectionPageComponent,

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

@@ -2,12 +2,12 @@ import { Component } from '@angular/core';
 import { CommunityDataService } from '../../core/data/community-data.service';
 import { RouteService } from '../../core/services/route.service';
 import { Router } from '@angular/router';
-import { CreateComColPageComponent } from '../../shared/comcol-forms/create-comcol-page/create-comcol-page.component';
+import { CreateComColPageComponent } from '../../shared/comcol/comcol-forms/create-comcol-page/create-comcol-page.component';
 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';
+import { RequestService } from '../../core/data/request.service';
 
 /**
  * Component that represents the page where a user can create a new Collection

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

@@ -1,11 +1,11 @@
 import { Component } from '@angular/core';
 import { ActivatedRoute, Router } from '@angular/router';
-import { DeleteComColPageComponent } from '../../shared/comcol-forms/delete-comcol-page/delete-comcol-page.component';
+import { DeleteComColPageComponent } from '../../shared/comcol/comcol-forms/delete-comcol-page/delete-comcol-page.component';
 import { NotificationsService } from '../../shared/notifications/notifications.service';
 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';
+import { RequestService } from '../../core/data/request.service';
 
 /**
  * Component that represents the page where a user can delete an existing Collection

src/app/collection-page/edit-collection-page/collection-metadata/collection-metadata.component.ts

@@ -1,5 +1,5 @@
 import { Component } from '@angular/core';
-import { ComcolMetadataComponent } from '../../../shared/comcol-forms/edit-comcol-page/comcol-metadata/comcol-metadata.component';
+import { ComcolMetadataComponent } from '../../../shared/comcol/comcol-forms/edit-comcol-page/comcol-metadata/comcol-metadata.component';
 import { Collection } from '../../../core/shared/collection.model';
 import { CollectionDataService } from '../../../core/data/collection-data.service';
 import { ActivatedRoute, Router } from '@angular/router';

src/app/collection-page/edit-collection-page/collection-roles/collection-roles.component.spec.ts

@@ -12,6 +12,7 @@ import { RequestService } from '../../../core/data/request.service';
 import { RouterTestingModule } from '@angular/router/testing';
 import { createSuccessfulRemoteDataObject, createSuccessfulRemoteDataObject$ } from '../../../shared/remote-data.utils';
 import { NoopAnimationsModule } from '@angular/platform-browser/animations';
+import { ComcolModule } from '../../../shared/comcol/comcol.module';
 
 describe('CollectionRolesComponent', () => {
 
@@ -65,6 +66,7 @@ describe('CollectionRolesComponent', () => {
 
     TestBed.configureTestingModule({
       imports: [
+        ComcolModule,
         SharedModule,
         RouterTestingModule.withRoutes([]),
         TranslateModule.forRoot(),

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

@@ -1,6 +1,6 @@
 import { Component } from '@angular/core';
 import { ActivatedRoute, Router } from '@angular/router';
-import { EditComColPageComponent } from '../../shared/comcol-forms/edit-comcol-page/edit-comcol-page.component';
+import { EditComColPageComponent } from '../../shared/comcol/comcol-forms/edit-comcol-page/edit-comcol-page.component';
 import { Collection } from '../../core/shared/collection.model';
 import { getCollectionPageRoute } from '../collection-page-routing-paths';
 
@@ -9,7 +9,7 @@ import { getCollectionPageRoute } from '../collection-page-routing-paths';
  */
 @Component({
   selector: 'ds-edit-collection',
-  templateUrl: '../../shared/comcol-forms/edit-comcol-page/edit-comcol-page.component.html'
+  templateUrl: '../../shared/comcol/comcol-forms/edit-comcol-page/edit-comcol-page.component.html'
 })
 export class EditCollectionPageComponent extends EditComColPageComponent<Collection> {
   type = 'collection';

src/app/collection-page/edit-collection-page/edit-collection-page.module.ts

@@ -10,6 +10,9 @@ import { CollectionSourceComponent } from './collection-source/collection-source
 import { CollectionAuthorizationsComponent } from './collection-authorizations/collection-authorizations.component';
 import { CollectionFormModule } from '../collection-form/collection-form.module';
 import { CollectionSourceControlsComponent } from './collection-source/collection-source-controls/collection-source-controls.component';
+import { ResourcePoliciesModule } from '../../shared/resource-policies/resource-policies.module';
+import { FormModule } from '../../shared/form/form.module';
+import { ComcolModule } from '../../shared/comcol/comcol.module';
 
 /**
  * Module that contains all components related to the Edit Collection page administrator functionality
@@ -19,7 +22,10 @@ import { CollectionSourceControlsComponent } from './collection-source/collectio
     CommonModule,
     SharedModule,
     EditCollectionPageRoutingModule,
-    CollectionFormModule
+    CollectionFormModule,
+    ResourcePoliciesModule,
+    FormModule,
+    ComcolModule
   ],
   declarations: [
     EditCollectionPageComponent,

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

@@ -6,7 +6,7 @@ import {
   DynamicTextAreaModel
 } from '@ng-dynamic-forms/core';
 import { Community } from '../../core/shared/community.model';
-import { ComColFormComponent } from '../../shared/comcol-forms/comcol-form/comcol-form.component';
+import { ComColFormComponent } from '../../shared/comcol/comcol-forms/comcol-form/comcol-form.component';
 import { TranslateService } from '@ngx-translate/core';
 import { NotificationsService } from '../../shared/notifications/notifications.service';
 import { CommunityDataService } from '../../core/data/community-data.service';
@@ -19,8 +19,8 @@ import { ObjectCacheService } from '../../core/cache/object-cache.service';
  */
 @Component({
   selector: 'ds-community-form',
-  styleUrls: ['../../shared/comcol-forms/comcol-form/comcol-form.component.scss'],
-  templateUrl: '../../shared/comcol-forms/comcol-form/comcol-form.component.html'
+  styleUrls: ['../../shared/comcol/comcol-forms/comcol-form/comcol-form.component.scss'],
+  templateUrl: '../../shared/comcol/comcol-forms/comcol-form/comcol-form.component.html'
 })
 export class CommunityFormComponent extends ComColFormComponent<Community> {
   /**

src/app/community-page/community-form/community-form.module.ts

@@ -2,9 +2,13 @@ import { NgModule } from '@angular/core';
 
 import { CommunityFormComponent } from './community-form.component';
 import { SharedModule } from '../../shared/shared.module';
+import { ComcolModule } from '../../shared/comcol/comcol.module';
+import { FormModule } from '../../shared/form/form.module';
 
 @NgModule({
   imports: [
+    ComcolModule,
+    FormModule,
     SharedModule
   ],
   declarations: [

src/app/community-page/community-page.module.ts

@@ -12,6 +12,7 @@ import { DeleteCommunityPageComponent } from './delete-community-page/delete-com
 import { StatisticsModule } from '../statistics/statistics.module';
 import { CommunityFormModule } from './community-form/community-form.module';
 import { ThemedCommunityPageComponent } from './themed-community-page.component';
+import { ComcolModule } from '../shared/comcol/comcol.module';
 
 const DECLARATIONS = [CommunityPageComponent,
   ThemedCommunityPageComponent,
@@ -26,7 +27,8 @@ const DECLARATIONS = [CommunityPageComponent,
     SharedModule,
     CommunityPageRoutingModule,
     StatisticsModule.forRoot(),
-    CommunityFormModule
+    CommunityFormModule,
+    ComcolModule
   ],
   declarations: [
     ...DECLARATIONS

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

@@ -3,7 +3,7 @@ import { Community } from '../../core/shared/community.model';
 import { CommunityDataService } from '../../core/data/community-data.service';
 import { RouteService } from '../../core/services/route.service';
 import { Router } from '@angular/router';
-import { CreateComColPageComponent } from '../../shared/comcol-forms/create-comcol-page/create-comcol-page.component';
+import { CreateComColPageComponent } from '../../shared/comcol/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';

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

@@ -2,10 +2,10 @@ import { Component } from '@angular/core';
 import { Community } from '../../core/shared/community.model';
 import { CommunityDataService } from '../../core/data/community-data.service';
 import { ActivatedRoute, Router } from '@angular/router';
-import { DeleteComColPageComponent } from '../../shared/comcol-forms/delete-comcol-page/delete-comcol-page.component';
+import { DeleteComColPageComponent } from '../../shared/comcol/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';
+import { RequestService } from '../../core/data/request.service';
 
 /**
  * Component that represents the page where a user can delete an existing Community

src/app/community-page/edit-community-page/community-metadata/community-metadata.component.ts

@@ -1,5 +1,5 @@
 import { Component } from '@angular/core';
-import { ComcolMetadataComponent } from '../../../shared/comcol-forms/edit-comcol-page/comcol-metadata/comcol-metadata.component';
+import { ComcolMetadataComponent } from '../../../shared/comcol/comcol-forms/edit-comcol-page/comcol-metadata/comcol-metadata.component';
 import { ActivatedRoute, Router } from '@angular/router';
 import { Community } from '../../../core/shared/community.model';
 import { CommunityDataService } from '../../../core/data/community-data.service';

src/app/community-page/edit-community-page/community-roles/community-roles.component.spec.ts

@@ -12,6 +12,7 @@ import { SharedModule } from '../../../shared/shared.module';
 import { RouterTestingModule } from '@angular/router/testing';
 import { createSuccessfulRemoteDataObject, createSuccessfulRemoteDataObject$ } from '../../../shared/remote-data.utils';
 import { NoopAnimationsModule } from '@angular/platform-browser/animations';
+import { ComcolModule } from '../../../shared/comcol/comcol.module';
 
 describe('CommunityRolesComponent', () => {
 
@@ -50,6 +51,7 @@ describe('CommunityRolesComponent', () => {
 
     TestBed.configureTestingModule({
       imports: [
+        ComcolModule,
         SharedModule,
         RouterTestingModule.withRoutes([]),
         TranslateModule.forRoot(),

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

@@ -1,7 +1,7 @@
 import { Component } from '@angular/core';
 import { Community } from '../../core/shared/community.model';
 import { ActivatedRoute, Router } from '@angular/router';
-import { EditComColPageComponent } from '../../shared/comcol-forms/edit-comcol-page/edit-comcol-page.component';
+import { EditComColPageComponent } from '../../shared/comcol/comcol-forms/edit-comcol-page/edit-comcol-page.component';
 import { getCommunityPageRoute } from '../community-page-routing-paths';
 
 /**
@@ -9,7 +9,7 @@ import { getCommunityPageRoute } from '../community-page-routing-paths';
  */
 @Component({
   selector: 'ds-edit-community',
-  templateUrl: '../../shared/comcol-forms/edit-comcol-page/edit-comcol-page.component.html'
+  templateUrl: '../../shared/comcol/comcol-forms/edit-comcol-page/edit-comcol-page.component.html'
 })
 export class EditCommunityPageComponent extends EditComColPageComponent<Community> {
   type = 'community';

src/app/community-page/edit-community-page/edit-community-page.module.ts

@@ -8,6 +8,8 @@ import { CommunityMetadataComponent } from './community-metadata/community-metad
 import { CommunityRolesComponent } from './community-roles/community-roles.component';
 import { CommunityAuthorizationsComponent } from './community-authorizations/community-authorizations.component';
 import { CommunityFormModule } from '../community-form/community-form.module';
+import { ResourcePoliciesModule } from '../../shared/resource-policies/resource-policies.module';
+import { ComcolModule } from '../../shared/comcol/comcol.module';
 
 /**
  * Module that contains all components related to the Edit Community page administrator functionality
@@ -17,7 +19,9 @@ import { CommunityFormModule } from '../community-form/community-form.module';
     CommonModule,
     SharedModule,
     EditCommunityPageRoutingModule,
-    CommunityFormModule
+    CommunityFormModule,
+    ComcolModule,
+    ResourcePoliciesModule
   ],
   declarations: [
     EditCommunityPageComponent,

src/app/core/browse/browse.service.spec.ts

@@ -129,6 +129,7 @@ describe('BrowseService', () => {
   describe('getBrowseEntriesFor and findList', () => {
     // should contain special characters such that url encoding can be tested as well
     const mockAuthorName = 'Donald Smith & Sons';
+    const mockAuthorityKey = 'some authority key ?=;';
 
     beforeEach(() => {
       requestService = getMockRequestService(getRequestEntry$(true));
@@ -155,7 +156,7 @@ describe('BrowseService', () => {
       it('should call hrefOnlyDataService.findAllByHref with the expected href', () => {
         const expected = browseDefinitions[1]._links.items.href + '?filterValue=' + encodeURIComponent(mockAuthorName);
 
-        scheduler.schedule(() => service.getBrowseItemsFor(mockAuthorName, new BrowseEntrySearchOptions(browseDefinitions[1].id)).subscribe());
+        scheduler.schedule(() => service.getBrowseItemsFor(mockAuthorName, undefined, new BrowseEntrySearchOptions(browseDefinitions[1].id)).subscribe());
         scheduler.flush();
 
         expect(getFirstUsedArgumentOfSpyMethod(hrefOnlyDataService.findAllByHref)).toBeObservable(cold('(a|)', {
@@ -164,6 +165,20 @@ describe('BrowseService', () => {
       });
 
     });
+    describe('when getBrowseItemsFor is called with a valid filter value and authority key', () => {
+      it('should call hrefOnlyDataService.findAllByHref with the expected href', () => {
+        const expected = browseDefinitions[1]._links.items.href +
+          '?filterValue=' + encodeURIComponent(mockAuthorName) +
+          '&filterAuthority=' + encodeURIComponent(mockAuthorityKey);
+
+        scheduler.schedule(() => service.getBrowseItemsFor(mockAuthorName, mockAuthorityKey, new BrowseEntrySearchOptions(browseDefinitions[1].id)).subscribe());
+        scheduler.flush();
+
+        expect(getFirstUsedArgumentOfSpyMethod(hrefOnlyDataService.findAllByHref)).toBeObservable(cold('(a|)', {
+          a: expected
+        }));
+      });
+    });
   });
 
   describe('getBrowseURLFor', () => {

src/app/core/browse/browse.service.ts

@@ -105,7 +105,7 @@ export class BrowseService {
    * @param options                   Options to narrow down your search
    * @returns {Observable<RemoteData<PaginatedList<Item>>>}
    */
-  getBrowseItemsFor(filterValue: string, options: BrowseEntrySearchOptions): Observable<RemoteData<PaginatedList<Item>>> {
+  getBrowseItemsFor(filterValue: string, filterAuthority: string, options: BrowseEntrySearchOptions): Observable<RemoteData<PaginatedList<Item>>> {
     const href$ = this.getBrowseDefinitions().pipe(
       getBrowseDefinitionLinks(options.metadataDefinition),
       hasValueOperator(),
@@ -132,6 +132,9 @@ export class BrowseService {
         if (isNotEmpty(filterValue)) {
           args.push(`filterValue=${encodeURIComponent(filterValue)}`);
         }
+        if (isNotEmpty(filterAuthority)) {
+          args.push(`filterAuthority=${encodeURIComponent(filterAuthority)}`);
+        }
         if (isNotEmpty(args)) {
           href = new URLCombiner(href, `?${args.join('&')}`).toString();
         }

src/app/core/core.module.ts

@@ -163,6 +163,7 @@ import { RootDataService } from './data/root-data.service';
 import { Root } from './data/root.model';
 import { SearchConfig } from './shared/search/search-filters/search-config.model';
 import { SequenceService } from './shared/sequence.service';
+import { GroupDataService } from './eperson/group-data.service';
 
 /**
  * When not in production, endpoint responses can be mocked for testing purposes
@@ -285,6 +286,7 @@ const PROVIDERS = [
   VocabularyService,
   VocabularyTreeviewService,
   SequenceService,
+  GroupDataService
 ];
 
 /**

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

@@ -20,7 +20,7 @@ import { PaginatedList } from './paginated-list.model';
 import { RemoteData } from './remote-data';
 import { FindListOptions, GetRequest } from './request.models';
 import { RequestService } from './request.service';
-import { PaginatedSearchOptions } from '../../shared/search/paginated-search-options.model';
+import { PaginatedSearchOptions } from '../../shared/search/models/paginated-search-options.model';
 import { Bitstream } from '../shared/bitstream.model';
 import { RequestEntryState } from './request.reducer';
 

src/app/core/data/external-source.service.ts

@@ -12,7 +12,7 @@ import { HttpClient } from '@angular/common/http';
 import { FindListOptions } from './request.models';
 import { Observable } from 'rxjs';
 import { distinctUntilChanged, map, switchMap, take } from 'rxjs/operators';
-import { PaginatedSearchOptions } from '../../shared/search/paginated-search-options.model';
+import { PaginatedSearchOptions } from '../../shared/search/models/paginated-search-options.model';
 import { hasValue, isNotEmptyOperator } from '../../shared/empty.util';
 import { RemoteData } from './remote-data';
 import { PaginatedList } from './paginated-list.model';

src/app/core/data/facet-config-response-parsing.service.ts

@@ -1,11 +1,11 @@
 import { Injectable } from '@angular/core';
-import { SearchFilterConfig } from '../../shared/search/search-filter-config.model';
+import { SearchFilterConfig } from '../../shared/search/models/search-filter-config.model';
 import { ParsedResponse } from '../cache/response.models';
 import { RawRestResponse } from '../dspace-rest/raw-rest-response.model';
 import { DSpaceSerializer } from '../dspace-rest/dspace.serializer';
 import { RestRequest } from './request.models';
 import { DspaceRestResponseParsingService } from './dspace-rest-response-parsing.service';
-import { FacetConfigResponse } from '../../shared/search/facet-config-response.model';
+import { FacetConfigResponse } from '../../shared/search/models/facet-config-response.model';
 
 @Injectable()
 export class FacetConfigResponseParsingService extends DspaceRestResponseParsingService {

src/app/core/data/facet-value-response-parsing.service.ts

@@ -1,10 +1,10 @@
 import { Injectable } from '@angular/core';
-import { FacetValue } from '../../shared/search/facet-value.model';
+import { FacetValue } from '../../shared/search/models/facet-value.model';
 import { ParsedResponse } from '../cache/response.models';
 import { RawRestResponse } from '../dspace-rest/raw-rest-response.model';
 import { DSpaceSerializer } from '../dspace-rest/dspace.serializer';
 import { RestRequest } from './request.models';
-import { FacetValues } from '../../shared/search/facet-values.model';
+import { FacetValues } from '../../shared/search/models/facet-values.model';
 import { DspaceRestResponseParsingService } from './dspace-rest-response-parsing.service';
 
 @Injectable()

src/app/core/data/feature-authorization/feature-authorization-guard/statistics-administrator.guard.ts

@@ -0,0 +1,27 @@
+import { Injectable } from '@angular/core';
+import { SingleFeatureAuthorizationGuard } from './single-feature-authorization.guard';
+import { AuthorizationDataService } from '../authorization-data.service';
+import { ActivatedRouteSnapshot, Router, RouterStateSnapshot } from '@angular/router';
+import { AuthService } from '../../../auth/auth.service';
+import { Observable, of as observableOf } from 'rxjs';
+import { FeatureID } from '../feature-id';
+
+/**
+ * Prevent unauthorized activating and loading of routes when the current authenticated user doesn't have group
+ * management rights
+ */
+@Injectable({
+    providedIn: 'root'
+})
+export class StatisticsAdministratorGuard extends SingleFeatureAuthorizationGuard {
+    constructor(protected authorizationService: AuthorizationDataService, protected router: Router, protected authService: AuthService) {
+        super(authorizationService, router, authService);
+    }
+
+    /**
+     * Check group management rights
+     */
+    getFeatureID(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<FeatureID> {
+        return observableOf(FeatureID.CanViewUsageStatistics);
+    }
+}

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

@@ -13,6 +13,7 @@ export enum FeatureID {
   CanManageGroup = 'canManageGroup',
   IsCollectionAdmin = 'isCollectionAdmin',
   IsCommunityAdmin = 'isCommunityAdmin',
+  CanChangePassword = 'canChangePassword',
   CanDownload = 'canDownload',
   CanRequestACopy = 'canRequestACopy',
   CanManageVersions = 'canManageVersions',
@@ -25,4 +26,5 @@ export enum FeatureID {
   CanEditVersion = 'canEditVersion',
   CanDeleteVersion = 'canDeleteVersion',
   CanCreateVersion = 'canCreateVersion',
+  CanViewUsageStatistics = 'canViewUsageStatistics',
 }

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

@@ -25,7 +25,7 @@ import { PaginatedList } from './paginated-list.model';
 import { RemoteData } from './remote-data';
 import { DeleteRequest, FindListOptions, GetRequest, PostRequest, PutRequest, RestRequest } from './request.models';
 import { RequestService } from './request.service';
-import { PaginatedSearchOptions } from '../../shared/search/paginated-search-options.model';
+import { PaginatedSearchOptions } from '../../shared/search/models/paginated-search-options.model';
 import { Bundle } from '../shared/bundle.model';
 import { MetadataMap } from '../shared/metadata.models';
 import { BundleDataService } from './bundle-data.service';

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

@@ -5,9 +5,9 @@ import { createSuccessfulRemoteDataObject$ } from '../../shared/remote-data.util
 import { createPaginatedList } from '../../shared/testing/utils.test';
 import { buildPaginatedList } from './paginated-list.model';
 import { PageInfo } from '../shared/page-info.model';
-import { PaginatedSearchOptions } from '../../shared/search/paginated-search-options.model';
+import { PaginatedSearchOptions } from '../../shared/search/models/paginated-search-options.model';
 import { RelationshipOptions } from '../../shared/form/builder/models/relationship-options.model';
-import { SearchResult } from '../../shared/search/search-result.model';
+import { SearchResult } from '../../shared/search/models/search-result.model';
 import { Item } from '../shared/item.model';
 import { skip, take } from 'rxjs/operators';
 import { ExternalSource } from '../shared/external-source.model';

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

@@ -1,11 +1,11 @@
 import { ExternalSourceService } from './external-source.service';
 import { SearchService } from '../shared/search/search.service';
 import { concat, distinctUntilChanged, map, multicast, startWith, take, takeWhile } from 'rxjs/operators';
-import { PaginatedSearchOptions } from '../../shared/search/paginated-search-options.model';
+import { PaginatedSearchOptions } from '../../shared/search/models/paginated-search-options.model';
 import { Observable, ReplaySubject } from 'rxjs';
 import { RemoteData } from './remote-data';
 import { PaginatedList } from './paginated-list.model';
-import { SearchResult } from '../../shared/search/search-result.model';
+import { SearchResult } from '../../shared/search/models/search-result.model';
 import { DSpaceObject } from '../shared/dspace-object.model';
 import { RelationshipOptions } from '../../shared/form/builder/models/relationship-options.model';
 import { Item } from '../shared/item.model';

src/app/core/data/mydspace-response-parsing.service.ts

@@ -4,7 +4,7 @@ import { DSpaceSerializer } from '../dspace-rest/dspace.serializer';
 import { RestRequest } from './request.models';
 import { RawRestResponse } from '../dspace-rest/raw-rest-response.model';
 import { hasValue } from '../../shared/empty.util';
-import { SearchObjects } from '../../shared/search/search-objects.model';
+import { SearchObjects } from '../../shared/search/models/search-objects.model';
 import { MetadataMap, MetadataValue } from '../shared/metadata.models';
 import { DspaceRestResponseParsingService } from './dspace-rest-response-parsing.service';
 

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

@@ -1,13 +1,16 @@
 import { RootDataService } from './root-data.service';
 import { HALEndpointService } from '../shared/hal-endpoint.service';
 import { createSuccessfulRemoteDataObject$ } from '../../shared/remote-data.utils';
-import { Observable } from 'rxjs';
+import { Observable, of } from 'rxjs';
 import { RemoteData } from './remote-data';
 import { Root } from './root.model';
+import { RawRestResponse } from '../dspace-rest/raw-rest-response.model';
+import { cold } from 'jasmine-marbles';
 
 describe('RootDataService', () => {
   let service: RootDataService;
   let halService: HALEndpointService;
+  let restService;
   let rootEndpoint;
 
   beforeEach(() => {
@@ -15,7 +18,10 @@ describe('RootDataService', () => {
     halService = jasmine.createSpyObj('halService', {
       getRootHref: rootEndpoint
     });
-    service = new RootDataService(null, null, null, null, halService, null, null, null);
+    restService = jasmine.createSpyObj('halService', {
+      get: jasmine.createSpy('get')
+    });
+    service = new RootDataService(null, null, null, null, halService, null, null, null, restService);
     (service as any).dataService = jasmine.createSpyObj('dataService', {
       findByHref: createSuccessfulRemoteDataObject$({})
     });
@@ -35,4 +41,37 @@ describe('RootDataService', () => {
       });
     });
   });
+
+  describe('checkServerAvailability', () => {
+    let result$: Observable<boolean>;
+
+    it('should return observable of true when root endpoint is available', () => {
+      const mockResponse = {
+        statusCode: 200,
+        statusText: 'OK'
+      } as RawRestResponse;
+
+      restService.get.and.returnValue(of(mockResponse));
+      result$ = service.checkServerAvailability();
+
+      expect(result$).toBeObservable(cold('(a|)', {
+        a: true
+      }));
+    });
+
+    it('should return observable of false when root endpoint is not available', () => {
+      const mockResponse = {
+        statusCode: 500,
+        statusText: 'Internal Server Error'
+      } as RawRestResponse;
+
+      restService.get.and.returnValue(of(mockResponse));
+      result$ = service.checkServerAvailability();
+
+      expect(result$).toBeObservable(cold('(a|)', {
+        a: false
+      }));
+    });
+
+  });
 });

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

@@ -17,6 +17,10 @@ import { RemoteData } from './remote-data';
 import { FollowLinkConfig } from '../../shared/utils/follow-link-config.model';
 import { FindListOptions } from './request.models';
 import { PaginatedList } from './paginated-list.model';
+import { DspaceRestService } from '../dspace-rest/dspace-rest.service';
+import { RawRestResponse } from '../dspace-rest/raw-rest-response.model';
+import { catchError, map } from 'rxjs/operators';
+import { of } from 'rxjs/internal/observable/of';
 
 /* tslint:disable:max-classes-per-file */
 
@@ -59,10 +63,24 @@ export class RootDataService {
     protected halService: HALEndpointService,
     protected notificationsService: NotificationsService,
     protected http: HttpClient,
-    protected comparator: DefaultChangeAnalyzer<Root>) {
+    protected comparator: DefaultChangeAnalyzer<Root>,
+    protected restService: DspaceRestService) {
     this.dataService = new DataServiceImpl(requestService, rdbService, null, objectCache, halService, notificationsService, http, comparator);
   }
 
+  /**
+   * Check if root endpoint is available
+   */
+  checkServerAvailability(): Observable<boolean> {
+    return this.restService.get(this.halService.getRootHref()).pipe(
+      catchError((err ) => {
+        console.error(err);
+        return of(false);
+      }),
+      map((res: RawRestResponse) => res.statusCode === 200)
+    );
+  }
+
   /**
    * Find the {@link Root} object of the REST API
    * @param useCachedVersionIfAvailable If this is true, the request will only be sent if there's
@@ -106,5 +124,12 @@ export class RootDataService {
   findAllByHref(href: string | Observable<string>, findListOptions: FindListOptions = {}, useCachedVersionIfAvailable = true, reRequestOnStale = true, ...linksToFollow: FollowLinkConfig<Root>[]): Observable<RemoteData<PaginatedList<Root>>> {
     return this.dataService.findAllByHref(href, findListOptions, useCachedVersionIfAvailable, reRequestOnStale, ...linksToFollow);
   }
+
+  /**
+   * Set to sale the root endpoint cache hit
+   */
+  invalidateRootCache() {
+    this.requestService.setStaleByHrefSubstring(this.halService.getRootHref());
+  }
 }
 /* tslint:enable:max-classes-per-file */

src/app/core/data/search-response-parsing.service.ts

@@ -1,6 +1,6 @@
 import { Injectable } from '@angular/core';
 import { hasValue } from '../../shared/empty.util';
-import { SearchObjects } from '../../shared/search/search-objects.model';
+import { SearchObjects } from '../../shared/search/models/search-objects.model';
 import { ParsedResponse } from '../cache/response.models';
 import { RawRestResponse } from '../dspace-rest/raw-rest-response.model';
 import { DSpaceSerializer } from '../dspace-rest/dspace.serializer';

src/app/core/data/version-history-data.service.ts

@@ -12,7 +12,7 @@ import { HttpClient, HttpHeaders } from '@angular/common/http';
 import { DefaultChangeAnalyzer } from './default-change-analyzer.service';
 import { FindListOptions, PostRequest, RestRequest } from './request.models';
 import { Observable, of } from 'rxjs';
-import { PaginatedSearchOptions } from '../../shared/search/paginated-search-options.model';
+import { PaginatedSearchOptions } from '../../shared/search/models/paginated-search-options.model';
 import { RemoteData } from './remote-data';
 import { PaginatedList } from './paginated-list.model';
 import { Version } from '../shared/version.model';

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

@@ -40,9 +40,7 @@ const editGroupSelector = createSelector(groupRegistryStateSelector, (groupRegis
 /**
  * Provides methods to retrieve eperson group resources from the REST API & Group related CRUD actions.
  */
-@Injectable({
-  providedIn: 'root'
-})
+@Injectable()
 @dataService(GROUP)
 export class GroupDataService extends DataService<Group> {
   protected linkPath = 'groups';

src/app/core/log/log.interceptor.spec.ts

@@ -9,12 +9,17 @@ import { RestRequestMethod } from '../data/rest-request-method';
 import { CookieService } from '../services/cookie.service';
 import { CookieServiceMock } from '../../shared/mocks/cookie.service.mock';
 import { RouterStub } from '../../shared/testing/router.stub';
+import { CorrelationIdService } from '../../correlation-id/correlation-id.service';
+import { UUIDService } from '../shared/uuid.service';
+import { StoreModule } from '@ngrx/store';
+import { appReducers, storeModuleConfig } from '../../app.reducer';
 
 
 describe('LogInterceptor', () => {
   let service: DspaceRestService;
   let httpMock: HttpTestingController;
   let cookieService: CookieService;
+  let correlationIdService: CorrelationIdService;
   const router = Object.assign(new RouterStub(),{url : '/statistics'});
 
   // Mock payload/statuses are dummy content as we are not testing the results
@@ -28,7 +33,10 @@ describe('LogInterceptor', () => {
 
   beforeEach(() => {
     TestBed.configureTestingModule({
-      imports: [HttpClientTestingModule],
+      imports: [
+        HttpClientTestingModule,
+        StoreModule.forRoot(appReducers, storeModuleConfig),
+      ],
       providers: [
         DspaceRestService,
         // LogInterceptor,
@@ -39,14 +47,18 @@ describe('LogInterceptor', () => {
         },
         { provide: CookieService, useValue: new CookieServiceMock() },
         { provide: Router, useValue: router },
+        { provide: CorrelationIdService, useClass: CorrelationIdService },
+        { provide: UUIDService, useClass: UUIDService },
       ],
     });
 
-    service = TestBed.get(DspaceRestService);
-    httpMock = TestBed.get(HttpTestingController);
-    cookieService = TestBed.get(CookieService);
+    service = TestBed.inject(DspaceRestService);
+    httpMock = TestBed.inject(HttpTestingController);
+    cookieService = TestBed.inject(CookieService);
+    correlationIdService = TestBed.inject(CorrelationIdService);
 
     cookieService.set('CORRELATION-ID','123455');
+    correlationIdService.initCorrelationId();
   });
 
 

src/app/core/log/log.interceptor.ts

@@ -3,9 +3,8 @@ import { HttpEvent, HttpHandler, HttpInterceptor, HttpRequest } from '@angular/c
 import { Router } from '@angular/router';
 
 import { Observable } from 'rxjs';
-
-import { CookieService } from '../services/cookie.service';
 import { hasValue } from '../../shared/empty.util';
+import { CorrelationIdService } from '../../correlation-id/correlation-id.service';
 
 /**
  * Log Interceptor intercepting Http Requests & Responses to
@@ -15,12 +14,12 @@ import { hasValue } from '../../shared/empty.util';
 @Injectable()
 export class LogInterceptor implements HttpInterceptor {
 
-  constructor(private cookieService: CookieService, private router: Router) {}
+  constructor(private cidService: CorrelationIdService, private router: Router) {}
 
   intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
 
-    // Get Unique id of the user from the cookies
-    const correlationId = this.cookieService.get('CORRELATION-ID');
+    // Get the correlation id for the user from the store
+    const correlationId = this.cidService.getCorrelationId();
 
     // Add headers from the intercepted request
     let headers = request.headers;

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

@@ -0,0 +1,68 @@
+import { ServerCheckGuard } from './server-check.guard';
+import { Router } from '@angular/router';
+
+import { of } from 'rxjs';
+import { take } from 'rxjs/operators';
+
+import { getPageInternalServerErrorRoute } from '../../app-routing-paths';
+import { RootDataService } from '../data/root-data.service';
+import SpyObj = jasmine.SpyObj;
+
+describe('ServerCheckGuard', () => {
+  let guard: ServerCheckGuard;
+  let router: SpyObj<Router>;
+  let rootDataServiceStub: SpyObj<RootDataService>;
+
+  rootDataServiceStub = jasmine.createSpyObj('RootDataService', {
+    checkServerAvailability: jasmine.createSpy('checkServerAvailability'),
+    invalidateRootCache: jasmine.createSpy('invalidateRootCache')
+  });
+  router = jasmine.createSpyObj('Router', {
+    navigateByUrl: jasmine.createSpy('navigateByUrl')
+  });
+
+  beforeEach(() => {
+    guard = new ServerCheckGuard(router, rootDataServiceStub);
+  });
+
+  afterEach(() => {
+    router.navigateByUrl.calls.reset();
+    rootDataServiceStub.invalidateRootCache.calls.reset();
+  });
+
+  it('should be created', () => {
+    expect(guard).toBeTruthy();
+  });
+
+  describe('when root endpoint has succeeded', () => {
+    beforeEach(() => {
+      rootDataServiceStub.checkServerAvailability.and.returnValue(of(true));
+    });
+
+    it('should not redirect to error page', () => {
+      guard.canActivateChild({} as any, {} as any).pipe(
+        take(1)
+      ).subscribe((canActivate: boolean) => {
+        expect(canActivate).toEqual(true);
+        expect(rootDataServiceStub.invalidateRootCache).not.toHaveBeenCalled();
+        expect(router.navigateByUrl).not.toHaveBeenCalled();
+      });
+    });
+  });
+
+  describe('when root endpoint has not succeeded', () => {
+    beforeEach(() => {
+      rootDataServiceStub.checkServerAvailability.and.returnValue(of(false));
+    });
+
+    it('should redirect to error page', () => {
+      guard.canActivateChild({} as any, {} as any).pipe(
+        take(1)
+      ).subscribe((canActivate: boolean) => {
+        expect(canActivate).toEqual(false);
+        expect(rootDataServiceStub.invalidateRootCache).toHaveBeenCalled();
+        expect(router.navigateByUrl).toHaveBeenCalledWith(getPageInternalServerErrorRoute());
+      });
+    });
+  });
+});

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

@@ -0,0 +1,39 @@
+import { Injectable } from '@angular/core';
+import { ActivatedRouteSnapshot, CanActivateChild, Router, RouterStateSnapshot } from '@angular/router';
+
+import { Observable } from 'rxjs';
+import { take, tap } from 'rxjs/operators';
+
+import { RootDataService } from '../data/root-data.service';
+import { getPageInternalServerErrorRoute } from '../../app-routing-paths';
+
+@Injectable({
+  providedIn: 'root'
+})
+/**
+ * A guard that checks if root api endpoint is reachable.
+ * If not redirect to 500 error page
+ */
+export class ServerCheckGuard implements CanActivateChild {
+  constructor(private router: Router, private rootDataService: RootDataService) {
+  }
+
+  /**
+   * True when root api endpoint is reachable.
+   */
+  canActivateChild(
+    route: ActivatedRouteSnapshot,
+    state: RouterStateSnapshot): Observable<boolean> {
+
+    return this.rootDataService.checkServerAvailability().pipe(
+      take(1),
+      tap((isAvailable: boolean) => {
+        if (!isAvailable) {
+          this.rootDataService.invalidateRootCache();
+          this.router.navigateByUrl(getPageInternalServerErrorRoute());
+        }
+      })
+    );
+
+  }
+}

src/app/core/services/server-response.service.ts

@@ -31,4 +31,8 @@ export class ServerResponseService {
   setNotFound(message = 'Not found'): this {
     return this.setStatus(404, message);
   }
+
+  setInternalServerError(message = 'Internal Server Error'): this {
+    return this.setStatus(500, message);
+  }
 }

src/app/core/shared/operators.ts

@@ -13,7 +13,7 @@ import {
   withLatestFrom
 } from 'rxjs/operators';
 import { hasNoValue, hasValue, hasValueOperator, isNotEmpty } from '../../shared/empty.util';
-import { SearchResult } from '../../shared/search/search-result.model';
+import { SearchResult } from '../../shared/search/models/search-result.model';
 import { PaginatedList } from '../data/paginated-list.model';
 import { RemoteData } from '../data/remote-data';
 import { RestRequest } from '../data/request.models';

src/app/core/shared/search/search-configuration.service.spec.ts

@@ -2,8 +2,8 @@ import { SearchConfigurationService } from './search-configuration.service';
 import { ActivatedRouteStub } from '../../../shared/testing/active-router.stub';
 import { PaginationComponentOptions } from '../../../shared/pagination/pagination-component-options.model';
 import { SortDirection, SortOptions } from '../../cache/models/sort-options.model';
-import { PaginatedSearchOptions } from '../../../shared/search/paginated-search-options.model';
-import { SearchFilter } from '../../../shared/search/search-filter.model';
+import { PaginatedSearchOptions } from '../../../shared/search/models/paginated-search-options.model';
+import { SearchFilter } from '../../../shared/search/models/search-filter.model';
 import { of as observableOf } from 'rxjs';
 import { PaginationServiceStub } from '../../../shared/testing/pagination-service.stub';
 

src/app/core/shared/search/search-configuration.service.ts

@@ -3,31 +3,27 @@ import { ActivatedRoute, Params } from '@angular/router';
 
 import {
   BehaviorSubject,
-  combineLatest,
   combineLatest as observableCombineLatest,
   merge as observableMerge,
   Observable,
   Subscription
 } from 'rxjs';
-import { distinctUntilChanged, filter, map, startWith, switchMap, take } from 'rxjs/operators';
+import { filter, map, startWith } from 'rxjs/operators';
 import { PaginationComponentOptions } from '../../../shared/pagination/pagination-component-options.model';
-import { SearchOptions } from '../../../shared/search/search-options.model';
-import { PaginatedSearchOptions } from '../../../shared/search/paginated-search-options.model';
-import { SearchFilter } from '../../../shared/search/search-filter.model';
+import { SearchOptions } from '../../../shared/search/models/search-options.model';
+import { PaginatedSearchOptions } from '../../../shared/search/models/paginated-search-options.model';
+import { SearchFilter } from '../../../shared/search/models/search-filter.model';
 import { RemoteData } from '../../data/remote-data';
 import { DSpaceObjectType } from '../dspace-object-type.model';
 import { SortDirection, SortOptions } from '../../cache/models/sort-options.model';
 import { RouteService } from '../../services/route.service';
-import {
-  getAllSucceededRemoteDataPayload,
-  getFirstSucceededRemoteData
-} from '../operators';
+import { getAllSucceededRemoteDataPayload, getFirstSucceededRemoteData } from '../operators';
 import { hasNoValue, hasValue, isNotEmpty, isNotEmptyOperator } from '../../../shared/empty.util';
 import { createSuccessfulRemoteDataObject$ } from '../../../shared/remote-data.utils';
-import { SearchConfig } from './search-filters/search-config.model';
+import { SearchConfig, SortConfig } from './search-filters/search-config.model';
 import { SearchService } from './search.service';
-import { of } from 'rxjs';
 import { PaginationService } from '../../pagination/pagination.service';
+import { ViewMode } from '../view-mode.model';
 
 /**
  * Service that performs all actions that have to do with the current search configuration
@@ -35,7 +31,21 @@ import { PaginationService } from '../../pagination/pagination.service';
 @Injectable()
 export class SearchConfigurationService implements OnDestroy {
 
+  /**
+   * Default pagination id
+   */
   public paginationID = 'spc';
+
+  /**
+   * Emits the current search options
+   */
+  public searchOptions: BehaviorSubject<SearchOptions>;
+
+  /**
+   * Emits the current search options including pagination and sort
+   */
+  public paginatedSearchOptions: BehaviorSubject<PaginatedSearchOptions>;
+
   /**
    * Default pagination settings
    */
@@ -45,16 +55,6 @@ export class SearchConfigurationService implements OnDestroy {
     currentPage: 1
   });
 
-  /**
-   * Default sort settings
-   */
-  protected defaultSort = new SortOptions('score', SortDirection.DESC);
-
-  /**
-   * Default configuration parameter setting
-   */
-  protected defaultConfiguration;
-
   /**
    * Default scope setting
    */
@@ -71,23 +71,14 @@ export class SearchConfigurationService implements OnDestroy {
   protected _defaults: Observable<RemoteData<PaginatedSearchOptions>>;
 
   /**
-   * Emits the current search options
+   * A map of subscriptions to unsubscribe from on destroy
    */
-  public searchOptions: BehaviorSubject<SearchOptions>;
-
-  /**
-   * Emits the current search options including pagination and sort
-   */
-  public paginatedSearchOptions: BehaviorSubject<PaginatedSearchOptions>;
-
-  /**
-   * List of subscriptions to unsubscribe from on destroy
-   */
-  protected subs: Subscription[] = [];
+  protected subs: Map<string, Subscription[]> = new Map<string, Subscription[]>(null);
 
   /**
    * Initialize the search options
    * @param {RouteService} routeService
+   * @param {PaginationService} paginationService
    * @param {ActivatedRoute} route
    */
   constructor(protected routeService: RouteService,
@@ -98,29 +89,28 @@ export class SearchConfigurationService implements OnDestroy {
   }
 
   /**
-   * Initialize the search options
+   * Default values for the Search Options
    */
-  protected initDefaults() {
-    this.defaults
-      .pipe(getFirstSucceededRemoteData())
-      .subscribe((defRD: RemoteData<PaginatedSearchOptions>) => {
-          const defs = defRD.payload;
-          this.paginatedSearchOptions = new BehaviorSubject<PaginatedSearchOptions>(defs);
-          this.searchOptions = new BehaviorSubject<SearchOptions>(defs);
-          this.subs.push(this.subscribeToSearchOptions(defs));
-          this.subs.push(this.subscribeToPaginatedSearchOptions(defs.pagination.id, defs));
+  get defaults(): Observable<RemoteData<PaginatedSearchOptions>> {
+    if (hasNoValue(this._defaults)) {
+      const options = new PaginatedSearchOptions({
+        pagination: this.defaultPagination,
+        scope: this.defaultScope,
+        query: this.defaultQuery
+      });
+      this._defaults = createSuccessfulRemoteDataObject$(options, new Date().getTime());
     }
-      );
+    return this._defaults;
   }
 
   /**
    * @returns {Observable<string>} Emits the current configuration string
    */
   getCurrentConfiguration(defaultConfiguration: string) {
-    return observableCombineLatest(
+    return observableCombineLatest([
       this.routeService.getQueryParameterValue('configuration').pipe(startWith(undefined)),
       this.routeService.getRouteParameterValue('configuration').pipe(startWith(undefined))
-    ).pipe(
+    ]).pipe(
       map(([queryConfig, routeConfig]) => {
         return queryConfig || routeConfig || defaultConfiguration;
       })
@@ -208,59 +198,91 @@ export class SearchConfigurationService implements OnDestroy {
   }
 
   /**
-   * Creates an observable of SearchConfig every time the configuration$ stream emits.
-   * @param configuration$
-   * @param service
+   * @returns {Observable<string>} Emits the current view mode
    */
-  getConfigurationSearchConfigObservable(configuration$: Observable<string>, service: SearchService): Observable<SearchConfig> {
-    return configuration$.pipe(
-      distinctUntilChanged(),
-      switchMap((configuration) => service.getSearchConfigurationFor(null, configuration)),
-      getAllSucceededRemoteDataPayload());
-  }
-
-  /**
-   * Every time searchConfig change (after a configuration change) it update the navigation with the default sort option
-   * and emit the new paginateSearchOptions value.
-   * @param configuration$
-   * @param service
-   */
-  initializeSortOptionsFromConfiguration(searchConfig$: Observable<SearchConfig>) {
-    const subscription = searchConfig$.pipe(switchMap((searchConfig) => combineLatest([
-      of(searchConfig),
-      this.paginatedSearchOptions.pipe(take(1))
-    ]))).subscribe(([searchConfig, searchOptions]) => {
-      const field = searchConfig.sortOptions[0].name;
-      const direction = searchConfig.sortOptions[0].sortOrder.toLowerCase() === SortDirection.ASC.toLowerCase() ? SortDirection.ASC : SortDirection.DESC;
-      const updateValue = Object.assign(new PaginatedSearchOptions({}), searchOptions, {
-        sort: new SortOptions(field, direction)
-      });
-      this.paginationService.updateRoute(this.paginationID,
-        {
-          sortDirection: updateValue.sort.direction,
-          sortField: updateValue.sort.field,
-        });
-      this.paginatedSearchOptions.next(updateValue);
-    });
-    this.subs.push(subscription);
-  }
-
-  /**
-   * Creates an observable of available SortOptions[] every time the searchConfig$ stream emits.
-   * @param searchConfig$
-   * @param service
-   */
-  getConfigurationSortOptionsObservable(searchConfig$: Observable<SearchConfig>): Observable<SortOptions[]> {
-    return searchConfig$.pipe(map((searchConfig) => {
-      const sortOptions = [];
-      searchConfig.sortOptions.forEach(sortOption => {
-        sortOptions.push(new SortOptions(sortOption.name, SortDirection.ASC));
-        sortOptions.push(new SortOptions(sortOption.name, SortDirection.DESC));
-      });
-      return sortOptions;
+  getCurrentViewMode(defaultViewMode: ViewMode) {
+    return this.routeService.getQueryParameterValue('view').pipe(map((viewMode) => {
+      return viewMode || defaultViewMode;
     }));
   }
 
+  /**
+   * Creates an observable of SearchConfig every time the configuration stream emits.
+   * @param configuration The search configuration
+   * @param service The search service to use
+   * @param scope The search scope if exists
+   */
+  getConfigurationSearchConfig(configuration: string, service: SearchService, scope?: string): Observable<SearchConfig> {
+    return service.getSearchConfigurationFor(scope, configuration).pipe(
+      getAllSucceededRemoteDataPayload()
+    );
+  }
+
+  /**
+   * Return the SortOptions list available for the given SearchConfig
+   * @param searchConfig The SearchConfig object
+   */
+  getConfigurationSortOptions(searchConfig: SearchConfig): SortOptions[] {
+    return searchConfig.sortOptions.map((entry: SortConfig) => ({
+      field: entry.name,
+      direction: entry.sortOrder.toLowerCase() === SortDirection.ASC.toLowerCase() ? SortDirection.ASC : SortDirection.DESC
+    }));
+  }
+
+  setPaginationId(paginationId): void {
+    if (isNotEmpty(paginationId)) {
+      const currentValue: PaginatedSearchOptions = this.paginatedSearchOptions.getValue();
+      const updatedValue: PaginatedSearchOptions = Object.assign(new PaginatedSearchOptions({}), currentValue, {
+        pagination: Object.assign({}, currentValue.pagination, {
+          id: paginationId
+        })
+      });
+      // unsubscribe from subscription related to old pagination id
+      this.unsubscribeFromSearchOptions(this.paginationID);
+
+      // change to the new pagination id
+      this.paginationID = paginationId;
+      this.paginatedSearchOptions.next(updatedValue);
+      this.setSearchSubscription(this.paginationID, this.paginatedSearchOptions.value);
+    }
+  }
+
+  /**
+   * Make sure to unsubscribe from all existing subscription to prevent memory leaks
+   */
+  ngOnDestroy(): void {
+    this.subs
+      .forEach((subs: Subscription[]) => subs
+        .filter((sub) => hasValue(sub))
+        .forEach((sub) => sub.unsubscribe())
+      );
+
+    this.subs = new Map<string, Subscription[]>(null);
+  }
+
+  /**
+   * Initialize the search options
+   */
+  protected initDefaults() {
+    this.defaults
+      .pipe(getFirstSucceededRemoteData())
+      .subscribe((defRD: RemoteData<PaginatedSearchOptions>) => {
+        const defs = defRD.payload;
+        this.paginatedSearchOptions = new BehaviorSubject<PaginatedSearchOptions>(defs);
+        this.searchOptions = new BehaviorSubject<SearchOptions>(defs);
+        this.setSearchSubscription(this.paginationID, defs);
+      });
+  }
+
+  private setSearchSubscription(paginationID: string, defaults: PaginatedSearchOptions) {
+    this.unsubscribeFromSearchOptions(paginationID);
+    const subs = [
+      this.subscribeToSearchOptions(defaults),
+      this.subscribeToPaginatedSearchOptions(paginationID || defaults.pagination.id, defaults)
+    ];
+    this.subs.set(this.paginationID, subs);
+  }
+
   /**
    * Sets up a subscription to all necessary parameters to make sure the searchOptions emits a new value every time they update
    * @param {SearchOptions} defaults Default values for when no parameters are available
@@ -273,7 +295,8 @@ export class SearchConfigurationService implements OnDestroy {
       this.getQueryPart(defaults.query),
       this.getDSOTypePart(),
       this.getFiltersPart(),
-      this.getFixedFilterPart()
+      this.getFixedFilterPart(),
+      this.getViewModePart(defaults.view)
     ).subscribe((update) => {
       const currentValue: SearchOptions = this.searchOptions.getValue();
       const updatedValue: SearchOptions = Object.assign(new PaginatedSearchOptions({}), currentValue, update);
@@ -283,19 +306,21 @@ export class SearchConfigurationService implements OnDestroy {
 
   /**
    * Sets up a subscription to all necessary parameters to make sure the paginatedSearchOptions emits a new value every time they update
+   * @param {string} paginationId The pagination ID
    * @param {PaginatedSearchOptions} defaults Default values for when no parameters are available
    * @returns {Subscription} The subscription to unsubscribe from
    */
   private subscribeToPaginatedSearchOptions(paginationId: string, defaults: PaginatedSearchOptions): Subscription {
     return observableMerge(
+      this.getConfigurationPart(defaults.configuration),
       this.getPaginationPart(paginationId, defaults.pagination),
       this.getSortPart(paginationId, defaults.sort),
-      this.getConfigurationPart(defaults.configuration),
       this.getScopePart(defaults.scope),
       this.getQueryPart(defaults.query),
       this.getDSOTypePart(),
       this.getFiltersPart(),
-      this.getFixedFilterPart()
+      this.getFixedFilterPart(),
+      this.getViewModePart(defaults.view)
     ).subscribe((update) => {
       const currentValue: PaginatedSearchOptions = this.paginatedSearchOptions.getValue();
       const updatedValue: PaginatedSearchOptions = Object.assign(new PaginatedSearchOptions({}), currentValue, update);
@@ -304,30 +329,16 @@ export class SearchConfigurationService implements OnDestroy {
   }
 
   /**
-   * Default values for the Search Options
+   * Unsubscribe from all subscriptions related to the given paginationID
+   * @param paginationId The pagination id
    */
-  get defaults(): Observable<RemoteData<PaginatedSearchOptions>> {
-    if (hasNoValue(this._defaults)) {
-      const options = new PaginatedSearchOptions({
-        pagination: this.defaultPagination,
-        configuration: this.defaultConfiguration,
-        sort: this.defaultSort,
-        scope: this.defaultScope,
-        query: this.defaultQuery
-      });
-      this._defaults = createSuccessfulRemoteDataObject$(options, new Date().getTime());
+  private unsubscribeFromSearchOptions(paginationId: string): void {
+    if (this.subs.has(this.paginationID)) {
+      this.subs.get(this.paginationID)
+        .filter((sub) => hasValue(sub))
+        .forEach((sub) => sub.unsubscribe());
+      this.subs.delete(paginationId);
     }
-    return this._defaults;
-  }
-
-  /**
-   * Make sure to unsubscribe from all existing subscription to prevent memory leaks
-   */
-  ngOnDestroy(): void {
-    this.subs.forEach((sub) => {
-      sub.unsubscribe();
-    });
-    this.subs = [];
   }
 
   /**
@@ -404,4 +415,13 @@ export class SearchConfigurationService implements OnDestroy {
       }),
     );
   }
+
+  /**
+   * @returns {Observable<Params>} Emits the current view mode as a partial SearchOptions object
+   */
+  private getViewModePart(defaultViewMode: ViewMode): Observable<any> {
+    return this.getCurrentViewMode(defaultViewMode).pipe(map((view) => {
+      return { view };
+    }));
+  }
 }

src/app/core/shared/search/search-filter.service.spec.ts

@@ -10,8 +10,8 @@ import {
   SearchFilterToggleAction
 } from '../../../shared/search/search-filters/search-filter/search-filter.actions';
 import { SearchFiltersState } from '../../../shared/search/search-filters/search-filter/search-filter.reducer';
-import { SearchFilterConfig } from '../../../shared/search/search-filter-config.model';
-import { FilterType } from '../../../shared/search/filter-type.model';
+import { SearchFilterConfig } from '../../../shared/search/models/search-filter-config.model';
+import { FilterType } from '../../../shared/search/models/filter-type.model';
 import { ActivatedRouteStub } from '../../../shared/testing/active-router.stub';
 import { of as observableOf } from 'rxjs';
 import { SortDirection, SortOptions } from '../../cache/models/sort-options.model';

src/app/core/shared/search/search-filter.service.ts

@@ -16,7 +16,7 @@ import {
   SearchFilterToggleAction
 } from '../../../shared/search/search-filters/search-filter/search-filter.actions';
 import { hasValue, isNotEmpty, } from '../../../shared/empty.util';
-import { SearchFilterConfig } from '../../../shared/search/search-filter-config.model';
+import { SearchFilterConfig } from '../../../shared/search/models/search-filter-config.model';
 import { SortDirection, SortOptions } from '../../cache/models/sort-options.model';
 import { RouteService } from '../../services/route.service';
 import { PaginationComponentOptions } from '../../../shared/pagination/pagination-component-options.model';

src/app/core/shared/search/search-filters/search-config.model.ts

@@ -29,7 +29,7 @@ export class SearchConfig implements CacheableObject {
    * The configured sort options.
    */
   @autoserialize
-  sortOptions: SortOption[];
+  sortOptions: SortConfig[];
 
   /**
    * The object type.
@@ -63,7 +63,7 @@ export interface FilterConfig {
 /**
  * Interface to model sort option's configuration.
  */
-export interface SortOption {
+export interface SortConfig {
   name: string;
   sortOrder: string;
 }

src/app/core/shared/search/search.service.spec.ts

@@ -9,7 +9,7 @@ import { ActivatedRouteStub } from '../../../shared/testing/active-router.stub';
 import { RouterStub } from '../../../shared/testing/router.stub';
 import { HALEndpointService } from '../hal-endpoint.service';
 import { combineLatest as observableCombineLatest, Observable, of as observableOf } from 'rxjs';
-import { PaginatedSearchOptions } from '../../../shared/search/paginated-search-options.model';
+import { PaginatedSearchOptions } from '../../../shared/search/models/paginated-search-options.model';
 import { RemoteData } from '../../data/remote-data';
 import { RequestEntry } from '../../data/request.reducer';
 import { getMockRequestService } from '../../../shared/mocks/request.service.mock';
@@ -21,11 +21,8 @@ import { RouteService } from '../../services/route.service';
 import { routeServiceStub } from '../../../shared/testing/route-service.stub';
 import { RemoteDataBuildService } from '../../cache/builders/remote-data-build.service';
 import { createSuccessfulRemoteDataObject$ } from '../../../shared/remote-data.utils';
-import { SearchObjects } from '../../../shared/search/search-objects.model';
+import { SearchObjects } from '../../../shared/search/models/search-objects.model';
 import { PaginationService } from '../../pagination/pagination.service';
-import { PaginationComponentOptions } from '../../../shared/pagination/pagination-component-options.model';
-import { SortDirection, SortOptions } from '../../cache/models/sort-options.model';
-import { FindListOptions } from '../../data/request.models';
 import { SearchConfigurationService } from './search-configuration.service';
 import { PaginationServiceStub } from '../../../shared/testing/pagination-service.stub';
 

src/app/core/shared/search/search.service.ts

@@ -14,24 +14,24 @@ import { GenericConstructor } from '../generic-constructor';
 import { HALEndpointService } from '../hal-endpoint.service';
 import { URLCombiner } from '../../url-combiner/url-combiner';
 import { hasValue, hasValueOperator, isNotEmpty } from '../../../shared/empty.util';
-import { SearchOptions } from '../../../shared/search/search-options.model';
-import { SearchFilterConfig } from '../../../shared/search/search-filter-config.model';
+import { SearchOptions } from '../../../shared/search/models/search-options.model';
+import { SearchFilterConfig } from '../../../shared/search/models/search-filter-config.model';
 import { SearchResponseParsingService } from '../../data/search-response-parsing.service';
-import { SearchObjects } from '../../../shared/search/search-objects.model';
+import { SearchObjects } from '../../../shared/search/models/search-objects.model';
 import { FacetValueResponseParsingService } from '../../data/facet-value-response-parsing.service';
 import { FacetConfigResponseParsingService } from '../../data/facet-config-response-parsing.service';
-import { PaginatedSearchOptions } from '../../../shared/search/paginated-search-options.model';
+import { PaginatedSearchOptions } from '../../../shared/search/models/paginated-search-options.model';
 import { CommunityDataService } from '../../data/community-data.service';
 import { ViewMode } from '../view-mode.model';
 import { DSpaceObjectDataService } from '../../data/dspace-object-data.service';
 import { RemoteDataBuildService } from '../../cache/builders/remote-data-build.service';
 import { getFirstCompletedRemoteData, getRemoteDataPayload } from '../operators';
 import { RouteService } from '../../services/route.service';
-import { SearchResult } from '../../../shared/search/search-result.model';
+import { SearchResult } from '../../../shared/search/models/search-result.model';
 import { ListableObject } from '../../../shared/object-collection/shared/listable-object.model';
 import { getSearchResultFor } from '../../../shared/search/search-result-element-decorator';
-import { FacetConfigResponse } from '../../../shared/search/facet-config-response.model';
-import { FacetValues } from '../../../shared/search/facet-values.model';
+import { FacetConfigResponse } from '../../../shared/search/models/facet-config-response.model';
+import { FacetValues } from '../../../shared/search/models/facet-values.model';
 import { SearchConfig } from './search-filters/search-config.model';
 import { PaginationService } from '../../pagination/pagination.service';
 import { SearchConfigurationService } from './search-configuration.service';
@@ -407,6 +407,7 @@ export class SearchService implements OnDestroy {
   /**
    * Changes the current view mode in the current URL
    * @param {ViewMode} viewMode Mode to switch to
+   * @param {string[]} searchLinkParts
    */
   setViewMode(viewMode: ViewMode, searchLinkParts?: string[]) {
     this.paginationService.getCurrentPagination(this.searchConfigurationService.paginationID, new PaginationComponentOptions()).pipe(take(1))

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

@@ -47,6 +47,12 @@ export class Version extends DSpaceObject {
   @autoserialize
   summary: string;
 
+  /**
+   * The name of the submitter of this version
+   */
+  @autoserialize
+  submitterName: string;
+
   /**
    * The Date this version was created
    */

src/app/core/shared/view-mode.model.ts

@@ -3,8 +3,8 @@
  */
 
 export enum ViewMode {
-  ListElement = 'listElement',
-  GridElement = 'gridElement',
-  DetailedListElement = 'detailedListElement',
-  StandalonePage = 'standalonePage',
+  ListElement = 'list',
+  GridElement = 'grid',
+  DetailedListElement = 'detailed',
+  StandalonePage = 'standalone',
 }

src/app/correlation-id/correlation-id.actions.ts

@@ -0,0 +1,21 @@
+import { type } from '../shared/ngrx/type';
+import { Action } from '@ngrx/store';
+
+export const CorrelationIDActionTypes = {
+  SET: type('dspace/core/correlationId/SET')
+};
+
+/**
+ * Action for setting a new correlation ID
+ */
+export class SetCorrelationIdAction implements Action {
+  type = CorrelationIDActionTypes.SET;
+
+  constructor(public payload: string) {
+  }
+}
+
+/**
+ * Type alias for all correlation ID actions
+ */
+export type CorrelationIdAction = SetCorrelationIdAction;

src/app/correlation-id/correlation-id.reducer.spec.ts

@@ -0,0 +1,23 @@
+import { correlationIdReducer } from './correlation-id.reducer';
+import { SetCorrelationIdAction } from './correlation-id.actions';
+
+describe('correlationIdReducer', () => {
+  it('should set the correlatinId with SET action', () => {
+    const initialState = null;
+    const currentState = correlationIdReducer(initialState, new SetCorrelationIdAction('new ID'));
+
+    expect(currentState).toBe('new ID');
+  });
+
+  it('should leave correlatinId unchanged otherwise', () => {
+    const initialState = null;
+
+    let currentState = correlationIdReducer(initialState, { type: 'unknown' } as any);
+    expect(currentState).toBe(null);
+
+    currentState = correlationIdReducer(currentState, new SetCorrelationIdAction('new ID'));
+    currentState = correlationIdReducer(currentState, { type: 'unknown' } as any);
+
+    expect(currentState).toBe('new ID');
+  });
+});

src/app/correlation-id/correlation-id.reducer.ts

@@ -0,0 +1,27 @@
+import {
+  CorrelationIdAction,
+  CorrelationIDActionTypes,
+  SetCorrelationIdAction
+} from './correlation-id.actions';
+import { AppState } from '../app.reducer';
+
+const initialState = null;
+
+export const correlationIdSelector = (state: AppState) => state.correlationId;
+
+/**
+ * Reducer that handles actions to update the correlation ID
+ * @param {string} state                the previous correlation ID (null if unset)
+ * @param {CorrelationIdAction} action  the action to perform
+ * @return {string}                     the new correlation ID
+ */
+export const correlationIdReducer = (state = initialState, action: CorrelationIdAction): string => {
+  switch (action.type) {
+    case CorrelationIDActionTypes.SET: {
+      return (action as SetCorrelationIdAction).payload;
+    }
+    default: {
+      return state;
+    }
+  }
+};

src/app/correlation-id/correlation-id.service.spec.ts

@@ -0,0 +1,83 @@
+import { CorrelationIdService } from './correlation-id.service';
+import { CookieServiceMock } from '../shared/mocks/cookie.service.mock';
+import { UUIDService } from '../core/shared/uuid.service';
+import { MockStore, provideMockStore } from '@ngrx/store/testing';
+import { TestBed } from '@angular/core/testing';
+import { Store, StoreModule } from '@ngrx/store';
+import { appReducers, AppState, storeModuleConfig } from '../app.reducer';
+import { SetCorrelationIdAction } from './correlation-id.actions';
+
+describe('CorrelationIdService', () => {
+  let service: CorrelationIdService;
+
+  let cookieService;
+  let uuidService;
+  let store;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      imports: [
+        StoreModule.forRoot(appReducers, storeModuleConfig),
+      ],
+    }).compileComponents();
+  });
+
+  beforeEach(() => {
+    cookieService = new CookieServiceMock();
+    uuidService = new UUIDService();
+    store = TestBed.inject(Store) as MockStore<AppState>;
+    service = new CorrelationIdService(cookieService, uuidService, store);
+  });
+
+  describe('getCorrelationId', () => {
+    it('should get from from store', () => {
+      expect(service.getCorrelationId()).toBe(null);
+      store.dispatch(new SetCorrelationIdAction('some value'));
+      expect(service.getCorrelationId()).toBe('some value');
+    });
+  });
+
+
+  describe('initCorrelationId', () => {
+    const cookieCID = 'cookie CID';
+    const storeCID = 'store CID';
+
+    it('should set cookie and store values to a newly generated value if neither ex', () => {
+      service.initCorrelationId();
+
+      expect(cookieService.get('CORRELATION-ID')).toBeTruthy();
+      expect(service.getCorrelationId()).toBeTruthy();
+      expect(cookieService.get('CORRELATION-ID')).toEqual(service.getCorrelationId());
+    });
+
+    it('should set store value to cookie value if present', () => {
+      expect(service.getCorrelationId()).toBe(null);
+
+      cookieService.set('CORRELATION-ID', cookieCID);
+
+      service.initCorrelationId();
+
+      expect(cookieService.get('CORRELATION-ID')).toBe(cookieCID);
+      expect(service.getCorrelationId()).toBe(cookieCID);
+    });
+
+    it('should set cookie value to store value if present', () => {
+      store.dispatch(new SetCorrelationIdAction(storeCID));
+
+      service.initCorrelationId();
+
+      expect(cookieService.get('CORRELATION-ID')).toBe(storeCID);
+      expect(service.getCorrelationId()).toBe(storeCID);
+    });
+
+    it('should set store value to cookie value if both are present', () => {
+      cookieService.set('CORRELATION-ID', cookieCID);
+      store.dispatch(new SetCorrelationIdAction(storeCID));
+
+      service.initCorrelationId();
+
+      expect(cookieService.get('CORRELATION-ID')).toBe(cookieCID);
+      expect(service.getCorrelationId()).toBe(cookieCID);
+    });
+  });
+});

src/app/correlation-id/correlation-id.service.ts

@@ -0,0 +1,64 @@
+import { CookieService } from '../core/services/cookie.service';
+import { UUIDService } from '../core/shared/uuid.service';
+import { Store, select } from '@ngrx/store';
+import { AppState } from '../app.reducer';
+import { isEmpty } from '../shared/empty.util';
+import { correlationIdSelector } from './correlation-id.reducer';
+import { take } from 'rxjs/operators';
+import { SetCorrelationIdAction } from './correlation-id.actions';
+import { Injectable } from '@angular/core';
+
+/**
+ * Service to manage the correlation id, an id used to give context to server side logs
+ */
+@Injectable({
+  providedIn: 'root'
+})
+export class CorrelationIdService {
+
+  constructor(
+    protected cookieService: CookieService,
+    protected uuidService: UUIDService,
+    protected store: Store<AppState>,
+  ) {
+  }
+
+  /**
+   * Initialize the correlation id based on the cookie or the ngrx store
+   */
+  initCorrelationId(): void {
+    // first see of there's a cookie with a correlation-id
+    let correlationId = this.cookieService.get('CORRELATION-ID');
+
+    // if there isn't see if there's an ID in the store
+    if (isEmpty(correlationId)) {
+      correlationId = this.getCorrelationId();
+    }
+
+    // if no id was found, create a new id
+    if (isEmpty(correlationId)) {
+      correlationId = this.uuidService.generate();
+    }
+
+    // Store the correct id both in the store and as a cookie to ensure they're in sync
+    this.store.dispatch(new SetCorrelationIdAction(correlationId));
+    this.cookieService.set('CORRELATION-ID', correlationId);
+  }
+
+  /**
+   * Get the correlation id from the store
+   */
+  getCorrelationId(): string {
+    let correlationId;
+
+    this.store.pipe(
+      select(correlationIdSelector),
+      take(1)
+    ).subscribe((storeId: string) => {
+      // we can do this because ngrx selects are synchronous
+      correlationId = storeId;
+    });
+
+    return correlationId;
+  }
+}

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

@@ -19,6 +19,7 @@ import { JournalVolumeSearchResultGridElementComponent } from './item-grid-eleme
 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';
+import { ItemSharedModule } from '../../item-page/item-shared.module';
 
 const ENTRY_COMPONENTS = [
   // put only entry components that use custom decorator
@@ -45,6 +46,7 @@ const ENTRY_COMPONENTS = [
 @NgModule({
   imports: [
     CommonModule,
+    ItemSharedModule,
     SharedModule
   ],
   declarations: [

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

@@ -1,5 +1,6 @@
 import { NgModule } from '@angular/core';
 import { CommonModule } from '@angular/common';
+import { NgbTooltipModule } from '@ng-bootstrap/ng-bootstrap';
 import { SharedModule } from '../../shared/shared.module';
 import { OrgUnitComponent } from './item-pages/org-unit/org-unit.component';
 import { PersonComponent } from './item-pages/person/person.component';
@@ -27,6 +28,7 @@ import { ExternalSourceEntryListSubmissionElementComponent } from './submission/
 import { OrgUnitSidebarSearchListElementComponent } from './item-list-elements/sidebar-search-list-elements/org-unit/org-unit-sidebar-search-list-element.component';
 import { PersonSidebarSearchListElementComponent } from './item-list-elements/sidebar-search-list-elements/person/person-sidebar-search-list-element.component';
 import { ProjectSidebarSearchListElementComponent } from './item-list-elements/sidebar-search-list-elements/project/project-sidebar-search-list-element.component';
+import { ItemSharedModule } from '../../item-page/item-shared.module';
 
 const ENTRY_COMPONENTS = [
 // put only entry components that use custom decorator
@@ -65,7 +67,9 @@ const COMPONENTS = [
 @NgModule({
   imports: [
     CommonModule,
-    SharedModule
+    ItemSharedModule,
+    SharedModule,
+    NgbTooltipModule
   ],
   declarations: [
     ...COMPONENTS,
@@ -79,7 +83,7 @@ export class ResearchEntitiesModule {
   static withEntryComponents() {
     return {
       ngModule: ResearchEntitiesModule,
-      providers: ENTRY_COMPONENTS.map((component) => ({provide: component}))
+      providers: ENTRY_COMPONENTS.map((component) => ({ provide: component }))
     };
   }
 }

src/app/entity-groups/research-entities/submission/item-list-elements/org-unit/org-unit-suggestions/org-unit-input-suggestions.component.html

@@ -15,7 +15,7 @@
     <div class="autocomplete dropdown-menu" [ngClass]="{'show': (show | async) && isNotEmpty(suggestions)}">
         <div class="dropdown-list">
             <div *ngFor="let suggestionOption of suggestions">
-                <a href="#" class="d-block dropdown-item"  (click)="onClickSuggestion(suggestionOption)" #suggestion>
+                <a href="javascript:void(0);" class="d-block dropdown-item"  (click)="onClickSuggestion(suggestionOption)" #suggestion>
                     <span [innerHTML]="suggestionOption"></span>
                 </a>
             </div>

src/app/entity-groups/research-entities/submission/item-list-elements/person/person-suggestions/person-input-suggestions.component.html

@@ -16,7 +16,7 @@
     <div class="autocomplete dropdown-menu" [ngClass]="{'show': (show | async) && isNotEmpty(suggestions)}">
         <div class="dropdown-list">
             <div *ngFor="let suggestionOption of suggestions">
-                <a href="#" class="d-block dropdown-item"  (click)="onClickSuggestion(suggestionOption)" #suggestion>
+                <a href="javascript:void(0);" class="d-block dropdown-item"  (click)="onClickSuggestion(suggestionOption)" #suggestion>
                     <span [innerHTML]="suggestionOption"></span>
                 </a>
             </div>

src/app/footer/footer.component.html

@@ -64,7 +64,7 @@
       </p>
       <ul class="footer-info list-unstyled small d-flex justify-content-center mb-0">
         <li>
-          <a class="text-white" href="#"
+          <a class="text-white" href="javascript:void(0);"
              (click)="showCookieSettings()">{{ 'footer.link.cookies' | translate}}</a>
         </li>
         <li>

src/app/item-page/edit-item-page/edit-item-page.module.ts

@@ -1,5 +1,8 @@
 import { NgModule } from '@angular/core';
 import { CommonModule } from '@angular/common';
+
+import { NgbTooltipModule } from '@ng-bootstrap/ng-bootstrap';
+
 import { SharedModule } from '../../shared/shared.module';
 import { EditItemPageRoutingModule } from './edit-item-page.routing.module';
 import { EditItemPageComponent } from './edit-item-page.component';
@@ -31,6 +34,8 @@ import { VirtualMetadataComponent } from './virtual-metadata/virtual-metadata.co
 import { ItemVersionHistoryComponent } from './item-version-history/item-version-history.component';
 import { ItemAuthorizationsComponent } from './item-authorizations/item-authorizations.component';
 import { ObjectValuesPipe } from '../../shared/utils/object-values-pipe';
+import { ResourcePoliciesModule } from '../../shared/resource-policies/resource-policies.module';
+
 
 /**
  * Module that contains all components related to the Edit Item page administrator functionality
@@ -39,9 +44,11 @@ import { ObjectValuesPipe } from '../../shared/utils/object-values-pipe';
   imports: [
     CommonModule,
     SharedModule,
+    NgbTooltipModule,
     EditItemPageRoutingModule,
     SearchPageModule,
-    DragDropModule
+    DragDropModule,
+    ResourcePoliciesModule
   ],
   declarations: [
     EditItemPageComponent,

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

@@ -15,14 +15,11 @@ import { getFirstSucceededRemoteData, getRemoteDataPayload } from '../../../core
 import { RemoteData } from '../../../core/data/remote-data';
 import { PaginatedList } from '../../../core/data/paginated-list.model';
 import { Bundle } from '../../../core/shared/bundle.model';
-import {
-  FieldUpdate,
-  FieldUpdates
-} from '../../../core/data/object-updates/object-updates.reducer';
+import { FieldUpdate, FieldUpdates } from '../../../core/data/object-updates/object-updates.reducer';
 import { Bitstream } from '../../../core/shared/bitstream.model';
 import { FieldChangeType } from '../../../core/data/object-updates/object-updates.actions';
 import { BundleDataService } from '../../../core/data/bundle-data.service';
-import { PaginatedSearchOptions } from '../../../shared/search/paginated-search-options.model';
+import { PaginatedSearchOptions } from '../../../shared/search/models/paginated-search-options.model';
 import { ResponsiveColumnSizes } from '../../../shared/responsive-table-sizes/responsive-column-sizes';
 import { ResponsiveTableSizes } from '../../../shared/responsive-table-sizes/responsive-table-sizes';
 import { NoContent } from '../../../core/shared/NoContent.model';

src/app/item-page/edit-item-page/item-bitstreams/item-edit-bitstream-bundle/paginated-drag-and-drop-bitstream-list/paginated-drag-and-drop-bitstream-list.component.ts

@@ -5,7 +5,7 @@ import { Bitstream } from '../../../../../core/shared/bitstream.model';
 import { ObjectUpdatesService } from '../../../../../core/data/object-updates/object-updates.service';
 import { BundleDataService } from '../../../../../core/data/bundle-data.service';
 import { switchMap } from 'rxjs/operators';
-import { PaginatedSearchOptions } from '../../../../../shared/search/paginated-search-options.model';
+import { PaginatedSearchOptions } from '../../../../../shared/search/models/paginated-search-options.model';
 import { ResponsiveTableSizes } from '../../../../../shared/responsive-table-sizes/responsive-table-sizes';
 import { followLink } from '../../../../../shared/utils/follow-link-config.model';
 import { ObjectValuesPipe } from '../../../../../shared/utils/object-values-pipe';

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

@@ -1,6 +1,6 @@
 import { CommonModule } from '@angular/common';
 import { EventEmitter } from '@angular/core';
-import { waitForAsync, ComponentFixture, TestBed } from '@angular/core/testing';
+import { ComponentFixture, TestBed, waitForAsync } from '@angular/core/testing';
 import { FormsModule } from '@angular/forms';
 import { By } from '@angular/platform-browser';
 import { ActivatedRoute, Router } from '@angular/router';
@@ -25,7 +25,7 @@ import { ObjectSelectService } from '../../../shared/object-select/object-select
 import { PaginationComponentOptions } from '../../../shared/pagination/pagination-component-options.model';
 import { PaginationComponent } from '../../../shared/pagination/pagination.component';
 import { SearchFormComponent } from '../../../shared/search-form/search-form.component';
-import { PaginatedSearchOptions } from '../../../shared/search/paginated-search-options.model';
+import { PaginatedSearchOptions } from '../../../shared/search/models/paginated-search-options.model';
 import { HostWindowServiceStub } from '../../../shared/testing/host-window-service.stub';
 import { NotificationsServiceStub } from '../../../shared/testing/notifications-service.stub';
 import { ObjectSelectServiceStub } from '../../../shared/testing/object-select-service.stub';

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

@@ -9,11 +9,12 @@ import { PaginatedList } from '../../../core/data/paginated-list.model';
 import { Collection } from '../../../core/shared/collection.model';
 import { Item } from '../../../core/shared/item.model';
 import {
+  getAllSucceededRemoteData,
+  getFirstCompletedRemoteData,
+  getFirstSucceededRemoteData,
   getFirstSucceededRemoteDataPayload,
   getRemoteDataPayload,
-  getFirstSucceededRemoteData,
-  toDSpaceObjectListRD,
-  getAllSucceededRemoteData, getFirstCompletedRemoteData
+  toDSpaceObjectListRD
 } from '../../../core/shared/operators';
 import { ActivatedRoute, Router } from '@angular/router';
 import { filter, map, startWith, switchMap, take } from 'rxjs/operators';
@@ -22,7 +23,7 @@ import { TranslateService } from '@ngx-translate/core';
 import { NotificationsService } from '../../../shared/notifications/notifications.service';
 import { DSpaceObjectType } from '../../../core/shared/dspace-object-type.model';
 import { hasValue, isNotEmpty } from '../../../shared/empty.util';
-import { PaginatedSearchOptions } from '../../../shared/search/paginated-search-options.model';
+import { PaginatedSearchOptions } from '../../../shared/search/models/paginated-search-options.model';
 import { SearchConfigurationService } from '../../../core/shared/search/search-configuration.service';
 import { SearchService } from '../../../core/shared/search/search.service';
 import { NoContent } from '../../../core/shared/NoContent.model';

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

@@ -3,7 +3,13 @@ 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 { combineLatest as observableCombineLatest, from as observableFrom, BehaviorSubject, Observable, Subscription } from 'rxjs';
+import {
+  BehaviorSubject,
+  combineLatest as observableCombineLatest,
+  from as observableFrom,
+  Observable,
+  Subscription
+} from 'rxjs';
 import {
   FieldUpdate,
   FieldUpdates,
@@ -25,7 +31,7 @@ import { ItemType } from '../../../../core/shared/item-relationships/item-type.m
 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 { SelectableListService } from '../../../../shared/object-list/selectable-list/selectable-list.service';
-import { SearchResult } from '../../../../shared/search/search-result.model';
+import { SearchResult } from '../../../../shared/search/models/search-result.model';
 import { followLink } from '../../../../shared/utils/follow-link-config.model';
 import { PaginatedList } from '../../../../core/data/paginated-list.model';
 import { RemoteData } from '../../../../core/data/remote-data';