Merge pull request DSpace#2875 from alexandrevryghem/created-metadata…

…-service-for-metadata-operations_contribute-main

Moved MetadataValue methods to separate service

src/app/app.component.spec.ts

@@ -29,7 +29,7 @@ import { BreadcrumbsService } from './breadcrumbs/breadcrumbs.service';
 import { authReducer } from './core/auth/auth.reducer';
 import { AuthService } from './core/auth/auth.service';
 import { LocaleService } from './core/locale/locale.service';
-import { MetadataService } from './core/metadata/metadata.service';
+import { HeadTagService } from './core/metadata/head-tag.service';
 import { RouteService } from './core/services/route.service';
 import {
   NativeWindowRef,
@@ -42,7 +42,7 @@ import { MenuService } from './shared/menu/menu.service';
 import { MockActivatedRoute } from './shared/mocks/active-router.mock';
 import { AngularticsProviderMock } from './shared/mocks/angulartics-provider.service.mock';
 import { AuthServiceMock } from './shared/mocks/auth.service.mock';
-import { MetadataServiceMock } from './shared/mocks/metadata-service.mock';
+import { HeadTagServiceMock } from './shared/mocks/head-tag-service.mock';
 import { RouterMock } from './shared/mocks/router.mock';
 import { getMockThemeService } from './shared/mocks/theme-service.mock';
 import { TranslateLoaderMock } from './shared/mocks/translate-loader.mock';
@@ -87,7 +87,7 @@ describe('App component', () => {
       ],
       providers: [
         { provide: NativeWindowService, useValue: new NativeWindowRef() },
-        { provide: MetadataService, useValue: new MetadataServiceMock() },
+        { provide: HeadTagService, useValue: new HeadTagServiceMock() },
         { provide: Angulartics2DSpace, useValue: new AngularticsProviderMock() },
         { provide: AuthService, useValue: new AuthServiceMock() },
         { provide: Router, useValue: new RouterMock() },

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

@@ -1,5 +1,9 @@
+import { TestBed } from '@angular/core/testing';
+import { Store } from '@ngrx/store';
+import { provideMockStore } from '@ngrx/store/testing';
 import { of as observableOf } from 'rxjs';
 
+import { PAGINATED_RELATIONS_TO_ITEMS_OPERATOR } from '../../item-page/simple/item-types/shared/item-relationships-utils';
 import { getMockRemoteDataBuildServiceHrefMap } from '../../shared/mocks/remote-data-build.service.mock';
 import { getMockRequestService } from '../../shared/mocks/request.service.mock';
 import {
@@ -11,7 +15,9 @@ import { HALEndpointServiceStub } from '../../shared/testing/hal-endpoint-servic
 import { ObjectCacheServiceStub } from '../../shared/testing/object-cache-service.stub';
 import { createPaginatedList } from '../../shared/testing/utils.test';
 import { followLink } from '../../shared/utils/follow-link-config.model';
+import { RemoteDataBuildService } from '../cache/builders/remote-data-build.service';
 import { ObjectCacheService } from '../cache/object-cache.service';
+import { HALEndpointService } from '../shared/hal-endpoint.service';
 import { Item } from '../shared/item.model';
 import { Relationship } from '../shared/item-relationships/relationship.model';
 import { RelationshipType } from '../shared/item-relationships/relationship-type.model';
@@ -20,6 +26,7 @@ import { MetadataRepresentationType } from '../shared/metadata-representation/me
 import { PageInfo } from '../shared/page-info.model';
 import { testSearchDataImplementation } from './base/search-data.spec';
 import { FindListOptions } from './find-list-options.model';
+import { ItemDataService } from './item-data.service';
 import { buildPaginatedList } from './paginated-list.model';
 import { RelationshipDataService } from './relationship-data.service';
 import { DeleteRequest } from './request.models';
@@ -123,18 +130,6 @@ describe('RelationshipDataService', () => {
     findByHref: createSuccessfulRemoteDataObject$(relatedItems[0]),
   });
 
-  function initTestService() {
-    return new RelationshipDataService(
-      requestService,
-      rdbService,
-      halService,
-      objectCache as ObjectCacheService,
-      itemService,
-      null,
-      jasmine.createSpy('paginatedRelationsToItems').and.returnValue((v) => v),
-    );
-  }
-
   const getRequestEntry$ = (successful: boolean) => {
     return observableOf({
       response: { isSuccessful: successful, payload: relationships } as any,
@@ -143,11 +138,25 @@ describe('RelationshipDataService', () => {
 
   beforeEach(() => {
     requestService = getMockRequestService(getRequestEntry$(true));
-    service = initTestService();
+
+    TestBed.configureTestingModule({
+      providers: [
+        { provide: RequestService, useValue: requestService },
+        { provide: RemoteDataBuildService, useValue: rdbService },
+        { provide: HALEndpointService, useValue: halService },
+        { provide: ObjectCacheService, useValue: objectCache },
+        { provide: ItemDataService, useValue: itemService },
+        { provide: RequestService, useValue: requestService },
+        { provide: PAGINATED_RELATIONS_TO_ITEMS_OPERATOR, useValue: jasmine.createSpy('paginatedRelationsToItems').and.returnValue((v) => v) },
+        { provide: Store, useValue: provideMockStore() },
+        RelationshipDataService,
+      ],
+    });
+    service = TestBed.inject(RelationshipDataService);
   });
 
   describe('composition', () => {
-    const initService = () => new RelationshipDataService(null, null, null, null, null, null, null);
+    const initService = () => new RelationshipDataService(null, null, null, null, null, null, null, null);
 
     testSearchDataImplementation(initService);
   });

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

@@ -54,6 +54,7 @@ import { RemoteDataBuildService } from '../cache/builders/remote-data-build.serv
 import { RequestParam } from '../cache/models/request-param.model';
 import { ObjectCacheService } from '../cache/object-cache.service';
 import { HttpOptions } from '../dspace-rest/dspace-rest.service';
+import { MetadataService } from '../metadata/metadata.service';
 import { DSpaceObject } from '../shared/dspace-object.model';
 import { HALEndpointService } from '../shared/hal-endpoint.service';
 import { Item } from '../shared/item.model';
@@ -128,6 +129,7 @@ export class RelationshipDataService extends IdentifiableDataService<Relationshi
     protected rdbService: RemoteDataBuildService,
     protected halService: HALEndpointService,
     protected objectCache: ObjectCacheService,
+    protected metadataService: MetadataService,
     protected itemService: ItemDataService,
     protected appStore: Store<AppState>,
     @Inject(PAGINATED_RELATIONS_TO_ITEMS_OPERATOR) private paginatedRelationsToItems: (thisId: string) => (source: Observable<RemoteData<PaginatedList<Relationship>>>) => Observable<RemoteData<PaginatedList<Item>>>,
@@ -602,8 +604,8 @@ export class RelationshipDataService extends IdentifiableDataService<Relationshi
    * @param itemType    The type of item this metadata value represents (will only be used when no related item can be found, as a fallback)
    */
   resolveMetadataRepresentation(metadatum: MetadataValue, parentItem: DSpaceObject, itemType: string): Observable<MetadataRepresentation> {
-    if (metadatum.isVirtual) {
-      return this.findById(metadatum.virtualValue, true, false, followLink('leftItem'), followLink('rightItem')).pipe(
+    if (this.metadataService.isVirtual(metadatum)) {
+      return this.findById(this.metadataService.virtualValue(metadatum), true, false, followLink('leftItem'), followLink('rightItem')).pipe(
         getFirstSucceededRemoteData(),
         switchMap((relRD: RemoteData<Relationship>) =>
           observableCombineLatest(relRD.payload.leftItem, relRD.payload.rightItem).pipe(