111731: Also minimize the search facets while switching scopes

src/app/shared/search-form/search-form.component.spec.ts

@@ -17,15 +17,17 @@ import { BrowserOnlyMockPipe } from '../testing/browser-only-mock.pipe';
 import { SearchServiceStub } from '../testing/search-service.stub';
 import { Router } from '@angular/router';
 import { RouterStub } from '../testing/router.stub';
+import { SearchFilterService } from '../../core/shared/search/search-filter.service';
+import { SearchFilterServiceStub } from '../testing/search-filter-service.stub';
 
 describe('SearchFormComponent', () => {
   let comp: SearchFormComponent;
   let fixture: ComponentFixture<SearchFormComponent>;
   let de: DebugElement;
-  let el: HTMLElement;
 
   const router = new RouterStub();
   const searchService = new SearchServiceStub();
+  let searchFilterService: SearchFilterServiceStub;
   const paginationService = new PaginationServiceStub();
   const searchConfigService = { paginationID: 'test-id' };
   const dspaceObjectService = {
@@ -33,11 +35,14 @@ describe('SearchFormComponent', () => {
   };
 
   beforeEach(waitForAsync(() => {
+    searchFilterService = new SearchFilterServiceStub();
+
     return TestBed.configureTestingModule({
       imports: [FormsModule, RouterTestingModule, TranslateModule.forRoot()],
       providers: [
         { provide: Router, useValue: router },
         { provide: SearchService, useValue: searchService },
+        { provide: SearchFilterService, useValue: searchFilterService },
         { provide: PaginationService, useValue: paginationService },
         { provide: SearchConfigurationService, useValue: searchConfigService },
         { provide: DSpaceObjectDataService, useValue: dspaceObjectService },
@@ -53,7 +58,6 @@ describe('SearchFormComponent', () => {
     fixture = TestBed.createComponent(SearchFormComponent);
     comp = fixture.componentInstance; // SearchFormComponent test instance
     de = fixture.debugElement.query(By.css('form'));
-    el = de.nativeElement;
   });
 
   it('should not display scopes when showScopeSelector is false', fakeAsync(() => {

src/app/shared/search-form/search-form.component.ts

@@ -13,6 +13,7 @@ import { BehaviorSubject } from 'rxjs';
 import { DSpaceObjectDataService } from '../../core/data/dspace-object-data.service';
 import { getFirstSucceededRemoteDataPayload } from '../../core/shared/operators';
 import { DSONameService } from '../../core/breadcrumbs/dso-name.service';
+import { SearchFilterService } from '../../core/shared/search/search-filter.service';
 
 @Component({
   selector: 'ds-search-form',
@@ -71,6 +72,7 @@ export class SearchFormComponent implements OnChanges {
   constructor(
     protected router: Router,
     protected searchService: SearchService,
+    protected searchFilterService: SearchFilterService,
     protected paginationService: PaginationService,
     protected searchConfig: SearchConfigurationService,
     protected modalService: NgbModal,
@@ -107,6 +109,7 @@ export class SearchFormComponent implements OnChanges {
    */
   onScopeChange(scope: DSpaceObject) {
     this.updateSearch({ scope: scope ? scope.uuid : undefined });
+    this.searchFilterService.minimizeAll();
   }
 
   /**

src/app/shared/search/search.component.ts

@@ -416,7 +416,6 @@ export class SearchComponent implements OnInit {
    * @private
    */
   private retrieveFilters(searchOptions: PaginatedSearchOptions) {
-    this.filtersRD$.next(null);
     this.searchConfigService.getConfig(searchOptions.scope, searchOptions.configuration).pipe(
       getFirstCompletedRemoteData(),
     ).subscribe((filtersRD: RemoteData<SearchFilterConfig[]>) => {