Merge pull request #1780 from mspalti/collection-thumbnail-embed

Show thumbnails in result lists

config/config.example.yml

@@ -174,6 +174,8 @@ browseBy:
   fiveYearLimit: 30
   # The absolute lowest year to display in the dropdown (only used when no lowest date can be found for all items)
   defaultLowerLimit: 1900
+  # If true, thumbnail images for items will be added to BOTH search and browse result lists.
+  showThumbnails: true
   # The number of entries in a paginated browse results list.
   # Rounded to the nearest size in the list of selectable sizes on the
   # settings menu.

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

@@ -13,6 +13,8 @@ import { RouterTestingModule } from '@angular/router/testing';
 import { getCollectionEditRoute } from '../../../../../collection-page/collection-page-routing-paths';
 import { DSONameService } from '../../../../../core/breadcrumbs/dso-name.service';
 import { DSONameServiceMock } from '../../../../../shared/mocks/dso-name.service.mock';
+import { APP_CONFIG } from '../../../../../../config/app-config.interface';
+import { environment } from '../../../../../../environments/environment';
 
 describe('CollectionAdminSearchResultListElementComponent', () => {
   let component: CollectionAdminSearchResultListElementComponent;
@@ -36,7 +38,8 @@ describe('CollectionAdminSearchResultListElementComponent', () => {
       ],
       declarations: [CollectionAdminSearchResultListElementComponent],
       providers: [{ provide: TruncatableService, useValue: {} },
-        { provide: DSONameService, useClass: DSONameServiceMock }],
+        { provide: DSONameService, useClass: DSONameServiceMock },
+        { provide: APP_CONFIG, useValue: environment }],
       schemas: [NO_ERRORS_SCHEMA]
     })
       .compileComponents();

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

@@ -13,6 +13,8 @@ import { Community } from '../../../../../core/shared/community.model';
 import { getCommunityEditRoute } from '../../../../../community-page/community-page-routing-paths';
 import { DSONameService } from '../../../../../core/breadcrumbs/dso-name.service';
 import { DSONameServiceMock } from '../../../../../shared/mocks/dso-name.service.mock';
+import { APP_CONFIG } from '../../../../../../config/app-config.interface';
+import { environment } from '../../../../../../environments/environment';
 
 describe('CommunityAdminSearchResultListElementComponent', () => {
   let component: CommunityAdminSearchResultListElementComponent;
@@ -36,7 +38,8 @@ describe('CommunityAdminSearchResultListElementComponent', () => {
       ],
       declarations: [CommunityAdminSearchResultListElementComponent],
       providers: [{ provide: TruncatableService, useValue: {} },
-        { provide: DSONameService, useClass: DSONameServiceMock }],
+        { provide: DSONameService, useClass: DSONameServiceMock },
+        { provide: APP_CONFIG, useValue: environment }],
       schemas: [NO_ERRORS_SCHEMA]
     })
       .compileComponents();

src/app/admin/admin-search-page/admin-search-results/admin-search-result-list-element/item-search-result/item-admin-search-result-list-element.component.spec.ts

@@ -10,6 +10,8 @@ import { ItemAdminSearchResultListElementComponent } from './item-admin-search-r
 import { Item } from '../../../../../core/shared/item.model';
 import { DSONameService } from '../../../../../core/breadcrumbs/dso-name.service';
 import { DSONameServiceMock } from '../../../../../shared/mocks/dso-name.service.mock';
+import { APP_CONFIG } from '../../../../../../config/app-config.interface';
+import { environment } from '../../../../../../environments/environment';
 
 describe('ItemAdminSearchResultListElementComponent', () => {
   let component: ItemAdminSearchResultListElementComponent;
@@ -33,7 +35,8 @@ describe('ItemAdminSearchResultListElementComponent', () => {
       ],
       declarations: [ItemAdminSearchResultListElementComponent],
       providers: [{ provide: TruncatableService, useValue: {} },
-        { provide: DSONameService, useClass: DSONameServiceMock }],
+        { provide: DSONameService, useClass: DSONameServiceMock },
+        { provide: APP_CONFIG, useValue: environment }],
       schemas: [NO_ERRORS_SCHEMA]
     })
       .compileComponents();

src/app/admin/admin-workflow-page/admin-workflow-search-results/admin-workflow-search-result-list-element/workflow-item/workflow-item-search-result-admin-workflow-list-element.component.spec.ts

@@ -18,6 +18,8 @@ import { createSuccessfulRemoteDataObject$ } from '../../../../../shared/remote-
 import { getMockLinkService } from '../../../../../shared/mocks/link-service.mock';
 import { DSONameService } from '../../../../../core/breadcrumbs/dso-name.service';
 import { DSONameServiceMock } from '../../../../../shared/mocks/dso-name.service.mock';
+import { APP_CONFIG } from '../../../../../../config/app-config.interface';
+import { environment } from '../../../../../../environments/environment';
 
 describe('WorkflowItemAdminWorkflowListElementComponent', () => {
   let component: WorkflowItemSearchResultAdminWorkflowListElementComponent;
@@ -51,7 +53,8 @@ describe('WorkflowItemAdminWorkflowListElementComponent', () => {
         providers: [
           { provide: TruncatableService, useValue: mockTruncatableService },
           { provide: LinkService, useValue: linkService },
-          { provide: DSONameService, useClass: DSONameServiceMock }
+          { provide: DSONameService, useClass: DSONameServiceMock },
+          { provide: APP_CONFIG, useValue: environment }
         ],
         schemas: [NO_ERRORS_SCHEMA]
       })

src/app/admin/admin-workflow-page/admin-workflow-search-results/admin-workflow-search-result-list-element/workflow-item/workflow-item-search-result-admin-workflow-list-element.component.ts

@@ -1,4 +1,4 @@
-import { Component, OnInit } from '@angular/core';
+import { Component, Inject, OnInit } from '@angular/core';
 import { ViewMode } from '../../../../../core/shared/view-mode.model';
 import { listableObjectComponent } from '../../../../../shared/object-collection/shared/listable-object/listable-object.decorator';
 import { Context } from '../../../../../core/shared/context.model';
@@ -13,6 +13,7 @@ import { SearchResultListElementComponent } from '../../../../../shared/object-l
 import { TruncatableService } from '../../../../../shared/truncatable/truncatable.service';
 import { WorkflowItemSearchResult } from '../../../../../shared/object-collection/shared/workflow-item-search-result.model';
 import { DSONameService } from '../../../../../core/breadcrumbs/dso-name.service';
+import { APP_CONFIG, AppConfig } from '../../../../../../config/app-config.interface';
 
 @listableObjectComponent(WorkflowItemSearchResult, ViewMode.ListElement, Context.AdminWorkflowSearch)
 @Component({
@@ -32,9 +33,10 @@ export class WorkflowItemSearchResultAdminWorkflowListElementComponent extends S
 
   constructor(private linkService: LinkService,
               protected truncatableService: TruncatableService,
-              protected dsoNameService: DSONameService
+              protected dsoNameService: DSONameService,
+              @Inject(APP_CONFIG) protected appConfig: AppConfig
   ) {
-    super(truncatableService, dsoNameService);
+    super(truncatableService, dsoNameService, appConfig);
   }
 
   /**

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

@@ -18,13 +18,10 @@ import { BrowseEntrySearchOptions } from '../../core/browse/browse-entry-search-
 import { toRemoteData } from '../browse-by-metadata-page/browse-by-metadata-page.component.spec';
 import { VarDirective } from '../../shared/utils/var.directive';
 import { createSuccessfulRemoteDataObject$ } from '../../shared/remote-data.utils';
-import { PaginationComponentOptions } from '../../shared/pagination/pagination-component-options.model';
-import { SortDirection, SortOptions } from '../../core/cache/models/sort-options.model';
 import { PaginationService } from '../../core/pagination/pagination.service';
 import { PaginationServiceStub } from '../../shared/testing/pagination-service.stub';
-import { FindListOptions } from '../../core/data/find-list-options.model';
+import { APP_CONFIG } from '../../../config/app-config.interface';
-import { APP_CONFIG } from 'src/config/app-config.interface';
+import { environment } from '../../../environments/environment';
-import { environment } from 'src/environments/environment';
 
 describe('BrowseByDatePageComponent', () => {
   let comp: BrowseByDatePageComponent;

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

@@ -1,9 +1,8 @@
 import { ChangeDetectorRef, Component, Inject } from '@angular/core';
 import {
   BrowseByMetadataPageComponent,
-  browseParamsToOptions
+  browseParamsToOptions, getBrowseSearchOptions
 } from '../browse-by-metadata-page/browse-by-metadata-page.component';
-import { BrowseEntrySearchOptions } from '../../core/browse/browse-entry-search-options.model';
 import { combineLatest as observableCombineLatest } from 'rxjs';
 import { RemoteData } from '../../core/data/remote-data';
 import { Item } from '../../core/shared/item.model';
@@ -13,7 +12,6 @@ import { BrowseService } from '../../core/browse/browse.service';
 import { DSpaceObjectDataService } from '../../core/data/dspace-object-data.service';
 import { StartsWithType } from '../../shared/starts-with/starts-with-decorator';
 import { BrowseByDataType, rendersBrowseBy } from '../browse-by-switcher/browse-by-decorator';
-import { environment } from '../../../environments/environment';
 import { PaginationService } from '../../core/pagination/pagination.service';
 import { map } from 'rxjs/operators';
 import { PaginationComponentOptions } from '../../shared/pagination/pagination-component-options.model';
@@ -45,14 +43,15 @@ export class BrowseByDatePageComponent extends BrowseByMetadataPageComponent {
                      protected router: Router,
                      protected paginationService: PaginationService,
                      protected cdRef: ChangeDetectorRef,
-                     @Inject(APP_CONFIG) protected appConfig: AppConfig) {
+                     @Inject(APP_CONFIG) public appConfig: AppConfig) {
     super(route, browseService, dsoService, paginationService, router, appConfig);
   }
 
   ngOnInit(): void {
     const sortConfig = new SortOptions('default', SortDirection.ASC);
     this.startsWithType = StartsWithType.date;
-    this.updatePage(new BrowseEntrySearchOptions(this.defaultBrowseId, this.paginationConfig, sortConfig));
+    // include the thumbnail configuration in browse search options
+    this.updatePage(getBrowseSearchOptions(this.defaultBrowseId, this.paginationConfig, sortConfig, this.fetchThumbnails));
     this.currentPagination$ = this.paginationService.getCurrentPagination(this.paginationConfig.id, this.paginationConfig);
     this.currentSort$ = this.paginationService.getCurrentSort(this.paginationConfig.id, sortConfig);
     this.subs.push(
@@ -65,7 +64,7 @@ export class BrowseByDatePageComponent extends BrowseByMetadataPageComponent {
         const metadataKeys = params.browseDefinition ? params.browseDefinition.metadataKeys : this.defaultMetadataKeys;
         this.browseId = params.id || this.defaultBrowseId;
         this.startsWith = +params.startsWith || params.startsWith;
-        const searchOptions = browseParamsToOptions(params, currentPage, currentSort, this.browseId);
+        const searchOptions = browseParamsToOptions(params, currentPage, currentSort, this.browseId, this.fetchThumbnails);
         this.updatePageWithItems(searchOptions, this.value, undefined);
         this.updateParent(params.scope);
         this.updateStartsWithOptions(this.browseId, metadataKeys, params.scope);
@@ -85,7 +84,7 @@ export class BrowseByDatePageComponent extends BrowseByMetadataPageComponent {
   updateStartsWithOptions(definition: string, metadataKeys: string[], scope?: string) {
     this.subs.push(
       this.browseService.getFirstItemFor(definition, scope).subscribe((firstItemRD: RemoteData<Item>) => {
-        let lowerLimit = environment.browseBy.defaultLowerLimit;
+        let lowerLimit = this.appConfig.browseBy.defaultLowerLimit;
         if (hasValue(firstItemRD.payload)) {
           const date = firstItemRD.payload.firstMetadataValue(metadataKeys);
           if (isNotEmpty(date) && isValidDate(date)) {
@@ -96,8 +95,8 @@ export class BrowseByDatePageComponent extends BrowseByMetadataPageComponent {
         }
         const options = [];
         const currentYear = new Date().getUTCFullYear();
-        const oneYearBreak = Math.floor((currentYear - environment.browseBy.oneYearLimit) / 5) * 5;
+        const oneYearBreak = Math.floor((currentYear - this.appConfig.browseBy.oneYearLimit) / 5) * 5;
-        const fiveYearBreak = Math.floor((currentYear - environment.browseBy.fiveYearLimit) / 10) * 10;
+        const fiveYearBreak = Math.floor((currentYear - this.appConfig.browseBy.fiveYearLimit) / 10) * 10;
         if (lowerLimit <= fiveYearBreak) {
           lowerLimit -= 10;
         } else if (lowerLimit <= oneYearBreak) {

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

@@ -1,4 +1,8 @@
-import { BrowseByMetadataPageComponent, browseParamsToOptions } from './browse-by-metadata-page.component';
+import {
+  BrowseByMetadataPageComponent,
+  browseParamsToOptions,
+  getBrowseSearchOptions
+} from './browse-by-metadata-page.component';
 import { ComponentFixture, TestBed, waitForAsync } from '@angular/core/testing';
 import { BrowseService } from '../../core/browse/browse.service';
 import { CommonModule } from '@angular/common';
@@ -14,7 +18,7 @@ import { RemoteData } from '../../core/data/remote-data';
 import { buildPaginatedList, PaginatedList } from '../../core/data/paginated-list.model';
 import { PageInfo } from '../../core/shared/page-info.model';
 import { BrowseEntrySearchOptions } from '../../core/browse/browse-entry-search-options.model';
-import { SortDirection, SortOptions } from '../../core/cache/models/sort-options.model';
+import { SortDirection } from '../../core/cache/models/sort-options.model';
 import { Item } from '../../core/shared/item.model';
 import { DSpaceObjectDataService } from '../../core/data/dspace-object-data.service';
 import { Community } from '../../core/shared/community.model';
@@ -26,7 +30,6 @@ import { PaginationService } from '../../core/pagination/pagination.service';
 import { PaginationComponentOptions } from '../../shared/pagination/pagination-component-options.model';
 import { PaginationServiceStub } from '../../shared/testing/pagination-service.stub';
 import { APP_CONFIG } from '../../../config/app-config.interface';
-import { environment } from '../../../environments/environment';
 
 describe('BrowseByMetadataPageComponent', () => {
   let comp: BrowseByMetadataPageComponent;
@@ -45,6 +48,13 @@ describe('BrowseByMetadataPageComponent', () => {
     ]
   });
 
+  const environmentMock = {
+    browseBy: {
+      showThumbnails: true,
+      pageSize: 10
+    }
+  };
+
   const mockEntries = [
     {
       type: BrowseEntry.type,
@@ -100,7 +110,7 @@ describe('BrowseByMetadataPageComponent', () => {
         { provide: DSpaceObjectDataService, useValue: mockDsoService },
         { provide: PaginationService, useValue: paginationService },
         { provide: Router, useValue: new RouterMock() },
-        { provide: APP_CONFIG, useValue: environment }
+        { provide: APP_CONFIG, useValue: environmentMock }
       ],
       schemas: [NO_ERRORS_SCHEMA]
     }).compileComponents();
@@ -121,6 +131,10 @@ describe('BrowseByMetadataPageComponent', () => {
     expect(comp.items$).toBeUndefined();
   });
 
+  it('should set embed thumbnail property to true', () => {
+    expect(comp.fetchThumbnails).toBeTrue();
+  });
+
   describe('when a value is provided', () => {
     beforeEach(() => {
       const paramsWithValue = {
@@ -148,14 +162,14 @@ describe('BrowseByMetadataPageComponent', () => {
       };
       const paginationOptions = Object.assign(new PaginationComponentOptions(), {
         currentPage: 5,
-        pageSize: 10,
+        pageSize: comp.appConfig.browseBy.pageSize,
       });
       const sortOptions = {
         direction: SortDirection.ASC,
         field: 'fake-field',
       };
 
-      result = browseParamsToOptions(paramsScope, paginationOptions, sortOptions, 'author');
+      result = browseParamsToOptions(paramsScope, paginationOptions, sortOptions, 'author', comp.fetchThumbnails);
     });
 
     it('should return BrowseEntrySearchOptions with the correct properties', () => {
@@ -166,6 +180,36 @@ describe('BrowseByMetadataPageComponent', () => {
       expect(result.sort.direction).toEqual(SortDirection.ASC);
       expect(result.sort.field).toEqual('fake-field');
       expect(result.scope).toEqual('fake-scope');
+      expect(result.fetchThumbnail).toBeTrue();
+    });
+  });
+
+  describe('calling getBrowseSearchOptions', () => {
+    let result: BrowseEntrySearchOptions;
+
+    beforeEach(() => {
+      const paramsScope = {
+        scope: 'fake-scope'
+      };
+      const paginationOptions = Object.assign(new PaginationComponentOptions(), {
+        currentPage: 5,
+        pageSize: comp.appConfig.browseBy.pageSize,
+      });
+      const sortOptions = {
+        direction: SortDirection.ASC,
+        field: 'fake-field',
+      };
+
+      result = getBrowseSearchOptions('title', paginationOptions, sortOptions, comp.fetchThumbnails);
+    });
+    it('should return BrowseEntrySearchOptions with the correct properties', () => {
+
+      expect(result.metadataDefinition).toEqual('title');
+      expect(result.pagination.currentPage).toEqual(5);
+      expect(result.pagination.pageSize).toEqual(10);
+      expect(result.sort.direction).toEqual(SortDirection.ASC);
+      expect(result.sort.field).toEqual('fake-field');
+      expect(result.fetchThumbnail).toBeTrue();
     });
   });
 });

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

@@ -1,6 +1,5 @@
 import { combineLatest as observableCombineLatest, Observable, Subscription } from 'rxjs';
 import { Component, Inject, OnInit } from '@angular/core';
-import { AppConfig, APP_CONFIG } from '../../../config/app-config.interface';
 import { RemoteData } from '../../core/data/remote-data';
 import { PaginatedList } from '../../core/data/paginated-list.model';
 import { PaginationComponentOptions } from '../../shared/pagination/pagination-component-options.model';
@@ -18,6 +17,7 @@ import { StartsWithType } from '../../shared/starts-with/starts-with-decorator';
 import { BrowseByDataType, rendersBrowseBy } from '../browse-by-switcher/browse-by-decorator';
 import { PaginationService } from '../../core/pagination/pagination.service';
 import { map } from 'rxjs/operators';
+import { APP_CONFIG, AppConfig } from '../../../config/app-config.interface';
 
 export const BBM_PAGINATION_ID = 'bbm';
 
@@ -109,12 +109,19 @@ export class BrowseByMetadataPageComponent implements OnInit {
    */
   startsWith: string;
 
+  /**
+   * Determines whether to request embedded thumbnail.
+   */
+  fetchThumbnails: boolean;
+
   public constructor(protected route: ActivatedRoute,
                      protected browseService: BrowseService,
                      protected dsoService: DSpaceObjectDataService,
                      protected paginationService: PaginationService,
                      protected router: Router,
-                     @Inject(APP_CONFIG) protected appConfig: AppConfig) {
+                     @Inject(APP_CONFIG) public appConfig: AppConfig) {
+
+    this.fetchThumbnails = this.appConfig.browseBy.showThumbnails;
     this.paginationConfig = Object.assign(new PaginationComponentOptions(), {
         id: BBM_PAGINATION_ID,
         currentPage: 1,
@@ -122,9 +129,11 @@ export class BrowseByMetadataPageComponent implements OnInit {
         });
     }
 
+
   ngOnInit(): void {
+
     const sortConfig = new SortOptions('default', SortDirection.ASC);
-    this.updatePage(new BrowseEntrySearchOptions(this.defaultBrowseId, this.paginationConfig, sortConfig));
+    this.updatePage(getBrowseSearchOptions(this.defaultBrowseId, this.paginationConfig, sortConfig));
     this.currentPagination$ = this.paginationService.getCurrentPagination(this.paginationConfig.id, this.paginationConfig);
     this.currentSort$ = this.paginationService.getCurrentSort(this.paginationConfig.id, sortConfig);
     this.subs.push(
@@ -137,15 +146,16 @@ export class BrowseByMetadataPageComponent implements OnInit {
           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.authority);
+            this.updatePageWithItems(
+              browseParamsToOptions(params, currentPage, currentSort, this.browseId, this.fetchThumbnails), this.value, this.authority);
           } else {
-            this.updatePage(searchOptions);
+            this.updatePage(browseParamsToOptions(params, currentPage, currentSort, this.browseId, false));
           }
           this.updateParent(params.scope);
         }));
     this.updateStartsWithTextOptions();
+
   }
 
   /**
@@ -232,22 +242,44 @@ export class BrowseByMetadataPageComponent implements OnInit {
 
 }
 
+/**
+ * Creates browse entry search options.
+ * @param defaultBrowseId the metadata definition to fetch entries or items for
+ * @param paginationConfig the required pagination configuration
+ * @param sortConfig the required sort configuration
+ * @param fetchThumbnails optional boolean for fetching thumbnails
+ * @returns BrowseEntrySearchOptions instance
+ */
+export function getBrowseSearchOptions(defaultBrowseId: string,
+                                       paginationConfig: PaginationComponentOptions,
+                                       sortConfig: SortOptions,
+                                       fetchThumbnails?: boolean) {
+  if (!hasValue(fetchThumbnails)) {
+    fetchThumbnails = false;
+  }
+  return new BrowseEntrySearchOptions(defaultBrowseId, paginationConfig, sortConfig, null,
+    null, fetchThumbnails);
+}
+
 /**
  * Function to transform query and url parameters into searchOptions used to fetch browse entries or items
  * @param params            URL and query parameters
  * @param paginationConfig  Pagination configuration
  * @param sortConfig        Sorting configuration
  * @param metadata          Optional metadata definition to fetch browse entries/items for
+ * @param fetchThumbnail   Optional parameter for requesting thumbnail images
  */
 export function browseParamsToOptions(params: any,
                                       paginationConfig: PaginationComponentOptions,
                                       sortConfig: SortOptions,
-                                      metadata?: string): BrowseEntrySearchOptions {
+                                      metadata?: string,
+                                      fetchThumbnail?: boolean): BrowseEntrySearchOptions {
   return new BrowseEntrySearchOptions(
     metadata,
     paginationConfig,
     sortConfig,
     +params.startsWith || params.startsWith,
-    params.scope
+    params.scope,
+    fetchThumbnail
   );
 }

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

@@ -18,13 +18,11 @@ import { BrowseService } from '../../core/browse/browse.service';
 import { RouterMock } from '../../shared/mocks/router.mock';
 import { VarDirective } from '../../shared/utils/var.directive';
 import { createSuccessfulRemoteDataObject$ } from '../../shared/remote-data.utils';
-import { PaginationComponentOptions } from '../../shared/pagination/pagination-component-options.model';
-import { SortDirection, SortOptions } from '../../core/cache/models/sort-options.model';
 import { PaginationService } from '../../core/pagination/pagination.service';
 import { PaginationServiceStub } from '../../shared/testing/pagination-service.stub';
-import { FindListOptions } from '../../core/data/find-list-options.model';
+import { APP_CONFIG } from '../../../config/app-config.interface';
-import { APP_CONFIG } from 'src/config/app-config.interface';
+import { environment } from '../../../environments/environment';
-import { environment } from 'src/environments/environment';
+
 
 describe('BrowseByTitlePageComponent', () => {
   let comp: BrowseByTitlePageComponent;

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

@@ -4,9 +4,8 @@ import { ActivatedRoute, Params, Router } from '@angular/router';
 import { hasValue } from '../../shared/empty.util';
 import {
   BrowseByMetadataPageComponent,
-  browseParamsToOptions
+  browseParamsToOptions, getBrowseSearchOptions
 } from '../browse-by-metadata-page/browse-by-metadata-page.component';
-import { BrowseEntrySearchOptions } from '../../core/browse/browse-entry-search-options.model';
 import { DSpaceObjectDataService } from '../../core/data/dspace-object-data.service';
 import { BrowseService } from '../../core/browse/browse.service';
 import { SortDirection, SortOptions } from '../../core/cache/models/sort-options.model';
@@ -32,13 +31,14 @@ export class BrowseByTitlePageComponent extends BrowseByMetadataPageComponent {
                      protected dsoService: DSpaceObjectDataService,
                      protected paginationService: PaginationService,
                      protected router: Router,
-                     @Inject(APP_CONFIG) protected appConfig: AppConfig) {
+                     @Inject(APP_CONFIG) public appConfig: AppConfig) {
     super(route, browseService, dsoService, paginationService, router, appConfig);
   }
 
   ngOnInit(): void {
     const sortConfig = new SortOptions('dc.title', SortDirection.ASC);
-    this.updatePage(new BrowseEntrySearchOptions(this.defaultBrowseId, this.paginationConfig, sortConfig));
+    // include the thumbnail configuration in browse search options
+    this.updatePage(getBrowseSearchOptions(this.defaultBrowseId, this.paginationConfig, sortConfig, this.fetchThumbnails));
     this.currentPagination$ = this.paginationService.getCurrentPagination(this.paginationConfig.id, this.paginationConfig);
     this.currentSort$ = this.paginationService.getCurrentSort(this.paginationConfig.id, sortConfig);
     this.subs.push(
@@ -49,7 +49,7 @@ export class BrowseByTitlePageComponent extends BrowseByMetadataPageComponent {
       ).subscribe(([params, currentPage, currentSort]: [Params, PaginationComponentOptions, SortOptions]) => {
         this.startsWith = +params.startsWith || params.startsWith;
         this.browseId = params.id || this.defaultBrowseId;
-        this.updatePageWithItems(browseParamsToOptions(params, currentPage, currentSort, this.browseId), undefined, undefined);
+        this.updatePageWithItems(browseParamsToOptions(params, currentPage, currentSort, this.browseId, this.fetchThumbnails), undefined, undefined);
         this.updateParent(params.scope);
       }));
     this.updateStartsWithTextOptions();

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

@@ -28,6 +28,7 @@ import { AuthorizationDataService } from '../core/data/feature-authorization/aut
 import { FeatureID } from '../core/data/feature-authorization/feature-id';
 import { getCollectionPageRoute } from './collection-page-routing-paths';
 import { redirectOn4xx } from '../core/shared/authorized.operators';
+import { BROWSE_LINKS_TO_FOLLOW } from '../core/browse/browse.service';
 
 @Component({
   selector: 'ds-collection-page',
@@ -74,6 +75,7 @@ export class CollectionPageComponent implements OnInit {
     this.paginationConfig.pageSize = 5;
     this.paginationConfig.currentPage = 1;
     this.sortConfig = new SortOptions('dc.date.accessioned', SortDirection.DESC);
+
   }
 
   ngOnInit(): void {
@@ -102,13 +104,14 @@ export class CollectionPageComponent implements OnInit {
         getFirstSucceededRemoteData(),
         map((rd) => rd.payload.id),
         switchMap((id: string) => {
-          return this.searchService.search(
+          return this.searchService.search<Item>(
             new PaginatedSearchOptions({
               scope: id,
               pagination: currentPagination,
               sort: currentSort,
               dsoTypes: [DSpaceObjectType.ITEM]
-            })).pipe(toDSpaceObjectListRD()) as Observable<RemoteData<PaginatedList<Item>>>;
+            }), null, true, true, ...BROWSE_LINKS_TO_FOLLOW)
+            .pipe(toDSpaceObjectListRD()) as Observable<RemoteData<PaginatedList<Item>>>;
         }),
         startWith(undefined) // Make sure switching pages shows loading component
       )

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

@@ -17,7 +17,7 @@ export const COLLECTION_PAGE_LINKS_TO_FOLLOW: FollowLinkConfig<Collection>[] = [
   followLink('parentCommunity', {},
     followLink('parentCommunity')
   ),
-  followLink('logo')
+  followLink('logo'),
 ];
 
 /**

src/app/core/browse/browse-entry-search-options.model.ts

@@ -6,13 +6,16 @@ import { SortOptions } from '../cache/models/sort-options.model';
  * - metadataDefinition:  The metadata definition to fetch entries or items for
  * - pagination:          Optional pagination options to use
  * - sort:                Optional sorting options to use
+ * - startsWith           An optional value to use to filter the browse results
  * - scope:               An optional scope to limit the results within a specific collection or community
+ * - fetchThumbnail       An optional boolean to request thumbnail for items
  */
 export class BrowseEntrySearchOptions {
   constructor(public metadataDefinition: string,
               public pagination?: PaginationComponentOptions,
               public sort?: SortOptions,
               public startsWith?: string,
-              public scope?: string) {
+              public scope?: string,
+              public fetchThumbnail?: boolean) {
   }
 }

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

@@ -21,6 +21,12 @@ import { URLCombiner } from '../url-combiner/url-combiner';
 import { BrowseEntrySearchOptions } from './browse-entry-search-options.model';
 import { BrowseDefinitionDataService } from './browse-definition-data.service';
 import { HrefOnlyDataService } from '../data/href-only-data.service';
+import { followLink, FollowLinkConfig } from '../../shared/utils/follow-link-config.model';
+
+
+export const BROWSE_LINKS_TO_FOLLOW: FollowLinkConfig<BrowseEntry | Item>[] = [
+  followLink('thumbnail')
+];
 
 /**
  * The service handling all browse requests
@@ -96,6 +102,9 @@ export class BrowseService {
         return href;
       })
     );
+    if (options.fetchThumbnail ) {
+      return this.hrefOnlyDataService.findListByHref<BrowseEntry>(href$, {}, null, null, ...BROWSE_LINKS_TO_FOLLOW);
+    }
     return this.hrefOnlyDataService.findListByHref<BrowseEntry>(href$);
   }
 
@@ -141,6 +150,9 @@ export class BrowseService {
         return href;
       }),
     );
+    if (options.fetchThumbnail) {
+      return this.hrefOnlyDataService.findListByHref<Item>(href$, {}, null, null, ...BROWSE_LINKS_TO_FOLLOW);
+    }
     return this.hrefOnlyDataService.findListByHref<Item>(href$);
   }
 

src/app/core/data/find-list-options.model.ts

@@ -11,4 +11,5 @@ export class FindListOptions {
     sort?: SortOptions;
     searchParams?: RequestParam[];
     startsWith?: string;
+    fetchThumbnail?: boolean;
 }

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

@@ -202,6 +202,7 @@ describe('RelationshipDataService', () => {
     });
 
     it('should call getItemRelationshipsByLabel with the correct params', (done) => {
+      mockOptions = Object.assign(mockOptions, { fetchThumbnail: true });
       service.getRelatedItemsByLabel(
         mockItem,
         mockLabel,
@@ -213,8 +214,8 @@ describe('RelationshipDataService', () => {
           mockOptions,
           true,
           true,
-          followLink('leftItem'),
+          followLink('leftItem',{}, followLink('thumbnail')),
-          followLink('rightItem'),
+          followLink('rightItem',{}, followLink('thumbnail')),
           followLink('relationshipType')
         );
         done();

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

@@ -45,6 +45,7 @@ import { SearchData, SearchDataImpl } from './base/search-data';
 import { PutData, PutDataImpl } from './base/put-data';
 import { IdentifiableDataService } from './base/identifiable-data.service';
 import { dataService } from './base/data-service.decorator';
+import { itemLinksToFollow } from '../../shared/utils/relation-query.utils';
 
 const relationshipListsStateSelector = (state: AppState) => state.relationshipLists;
 
@@ -185,7 +186,7 @@ export class RelationshipDataService extends IdentifiableDataService<Relationshi
     ]).pipe(
       filter(([existsInOC, existsInRC]) => !existsInOC && !existsInRC),
       take(1),
-    ).subscribe(() => this.itemService.findByHref(item._links.self.href, false));
+    ).subscribe(() => this.itemService.findByHref(item._links.self.href));
   }
 
   /**
@@ -258,7 +259,10 @@ export class RelationshipDataService extends IdentifiableDataService<Relationshi
    * @param options
    */
   getRelatedItemsByLabel(item: Item, label: string, options?: FindListOptions): Observable<RemoteData<PaginatedList<Item>>> {
-    return this.getItemRelationshipsByLabel(item, label, options, true, true, followLink('leftItem'), followLink('rightItem'), followLink('relationshipType')).pipe(this.paginatedRelationsToItems(item.uuid));
+    let linksToFollow: FollowLinkConfig<Relationship>[] = itemLinksToFollow(options.fetchThumbnail);
+    linksToFollow.push(followLink('relationshipType'));
+
+    return this.getItemRelationshipsByLabel(item, label, options, true, true, ...linksToFollow).pipe(this.paginatedRelationsToItems(item.uuid));
   }
 
   /**
@@ -516,14 +520,14 @@ export class RelationshipDataService extends IdentifiableDataService<Relationshi
         {
           fieldName: 'relatedItem',
           fieldValue: itemId,
-        },
+        }
       );
     });
 
     return this.searchBy(
       'byItemsAndType',
       {
-        searchParams: searchParams,
+        searchParams: searchParams
       },
     ) as Observable<RemoteData<PaginatedList<Relationship>>>;
 

src/app/core/shared/browse-entry.model.ts

@@ -40,6 +40,12 @@ export class BrowseEntry extends ListableObject implements TypedObject {
   @autoserializeAs('valueLang')
   language: string;
 
+  /**
+   * Thumbnail link used when browsing items with showThumbs config enabled.
+   */
+  @autoserializeAs('thumbnail')
+  thumbnail: string;
+
   /**
    * The count of this browse entry
    */
@@ -51,6 +57,7 @@ export class BrowseEntry extends ListableObject implements TypedObject {
   _links: {
     self: HALLink;
     entries: HALLink;
+    thumbnail: HALLink;
   };
 
   /**

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

@@ -1,6 +1,17 @@
+<div class="row">
+  <div *ngIf="showThumbnails" class="col-3 col-md-2">
+    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'"
+       rel="noopener noreferrer"
+       [routerLink]="[itemPageRoute]" class="lead item-list-title dont-break-out">
+      <ds-thumbnail [thumbnail]="dso?.thumbnail | async" [limitWidth]="true">
+      </ds-thumbnail>
+    </a>
+  </div>
+  <div [ngClass]="showThumbnails ? 'col-9' : 'col-md-12'">
     <ds-type-badge *ngIf="showLabel" [object]="dso"></ds-type-badge>
     <ds-truncatable [id]="dso.id">
-    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer"
+      <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'"
+         rel="noopener noreferrer"
          [routerLink]="[itemPageRoute]" class="lead item-list-title dont-break-out"
          [innerHTML]="dsoTitle"></a>
       <span *ngIf="linkType == linkTypes.None"
@@ -23,3 +34,5 @@
         </ds-truncatable-part>
   </span>
     </ds-truncatable>
+  </div>
+</div>

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

@@ -9,6 +9,7 @@ import { TruncatePipe } from '../../../../../shared/utils/truncate.pipe';
 import { TruncatableService } from '../../../../../shared/truncatable/truncatable.service';
 import { DSONameService } from '../../../../../core/breadcrumbs/dso-name.service';
 import { DSONameServiceMock } from '../../../../../shared/mocks/dso-name.service.mock';
+import { APP_CONFIG } from '../../../../../../config/app-config.interface';
 
 let journalIssueListElementComponent: JournalIssueSearchResultListElementComponent;
 let fixture: ComponentFixture<JournalIssueSearchResultListElementComponent>;
@@ -57,13 +58,26 @@ const mockItemWithoutMetadata: ItemSearchResult = Object.assign(
     })
   });
 
+const environmentUseThumbs = {
+  browseBy: {
+    showThumbnails: true
+  }
+};
+
+const enviromentNoThumbs = {
+  browseBy: {
+    showThumbnails: false
+  }
+};
+
 describe('JournalIssueSearchResultListElementComponent', () => {
   beforeEach(waitForAsync(() => {
     TestBed.configureTestingModule({
       declarations: [JournalIssueSearchResultListElementComponent, TruncatePipe],
       providers: [
         { provide: TruncatableService, useValue: {} },
-        { provide: DSONameService, useClass: DSONameServiceMock }
+        { provide: DSONameService, useClass: DSONameServiceMock },
+        { provide: APP_CONFIG, useValue: environmentUseThumbs }
       ],
 
       schemas: [NO_ERRORS_SCHEMA]
@@ -78,6 +92,22 @@ describe('JournalIssueSearchResultListElementComponent', () => {
 
   }));
 
+  describe('with environment.browseBy.showThumbnails set to true', () => {
+    beforeEach(() => {
+      journalIssueListElementComponent.object = mockItemWithMetadata;
+      fixture.detectChanges();
+    });
+    it('should set showThumbnails to true', () => {
+      expect(journalIssueListElementComponent.showThumbnails).toBeTrue();
+    });
+
+    it('should add thumbnail element', () => {
+      const thumbnailElement = fixture.debugElement.query(By.css('ds-thumbnail'));
+      expect(thumbnailElement).toBeTruthy();
+    });
+  });
+
+
   describe('When the item has a journal identifier', () => {
     beforeEach(() => {
       journalIssueListElementComponent.object = mockItemWithMetadata;
@@ -126,3 +156,39 @@ describe('JournalIssueSearchResultListElementComponent', () => {
     });
   });
 });
+
+describe('JournalIssueSearchResultListElementComponent', () => {
+
+  beforeEach(waitForAsync(() => {
+    TestBed.configureTestingModule({
+      declarations: [JournalIssueSearchResultListElementComponent, TruncatePipe],
+      providers: [
+        {provide: TruncatableService, useValue: {}},
+        {provide: DSONameService, useClass: DSONameServiceMock},
+        { provide: APP_CONFIG, useValue: enviromentNoThumbs }
+      ],
+
+      schemas: [NO_ERRORS_SCHEMA]
+    }).overrideComponent(JournalIssueSearchResultListElementComponent, {
+      set: {changeDetection: ChangeDetectionStrategy.Default}
+    }).compileComponents();
+  }));
+
+  beforeEach(waitForAsync(() => {
+    fixture = TestBed.createComponent(JournalIssueSearchResultListElementComponent);
+    journalIssueListElementComponent = fixture.componentInstance;
+  }));
+
+  describe('with environment.browseBy.showThumbnails set to false', () => {
+    beforeEach(() => {
+
+      journalIssueListElementComponent.object = mockItemWithMetadata;
+      fixture.detectChanges();
+    });
+
+    it('should not add thumbnail element', () => {
+      const thumbnailElement = fixture.debugElement.query(By.css('ds-thumbnail'));
+      expect(thumbnailElement).toBeFalsy();
+    });
+  });
+});

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

@@ -13,4 +13,15 @@ import { ItemSearchResultListElementComponent } from '../../../../../shared/obje
  * The component for displaying a list element for an item search result of the type Journal Issue
  */
 export class JournalIssueSearchResultListElementComponent extends ItemSearchResultListElementComponent {
+
+  /**
+   * Display thumbnails if required by configuration
+   */
+  showThumbnails: boolean;
+
+  ngOnInit(): void {
+    super.ngOnInit();
+    this.showThumbnails = this.appConfig.browseBy.showThumbnails;
+  }
+
 }

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

@@ -1,6 +1,17 @@
+<div class="row">
+  <div *ngIf="showThumbnails" class="col-3 col-md-2">
+    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'"
+       rel="noopener noreferrer"
+       [routerLink]="[itemPageRoute]" class="lead item-list-title dont-break-out">
+      <ds-thumbnail [thumbnail]="dso?.thumbnail | async" [limitWidth]="true">
+      </ds-thumbnail>
+    </a>
+  </div>
+  <div [ngClass]="showThumbnails ? 'col-9' : 'col-md-12'">
     <ds-type-badge *ngIf="showLabel" [object]="dso"></ds-type-badge>
     <ds-truncatable [id]="dso.id">
-    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer"
+      <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'"
+         rel="noopener noreferrer"
          [routerLink]="[itemPageRoute]" class="lead item-list-title dont-break-out"
          [innerHTML]="dsoTitle"></a>
       <span *ngIf="linkType == linkTypes.None"
@@ -23,3 +34,5 @@
         </ds-truncatable-part>
   </span>
     </ds-truncatable>
+  </div>
+</div>

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

@@ -9,6 +9,7 @@ import { TruncatePipe } from '../../../../../shared/utils/truncate.pipe';
 import { TruncatableService } from '../../../../../shared/truncatable/truncatable.service';
 import { DSONameService } from '../../../../../core/breadcrumbs/dso-name.service';
 import { DSONameServiceMock } from '../../../../../shared/mocks/dso-name.service.mock';
+import { APP_CONFIG } from '../../../../../../config/app-config.interface';
 
 let journalVolumeListElementComponent: JournalVolumeSearchResultListElementComponent;
 let fixture: ComponentFixture<JournalVolumeSearchResultListElementComponent>;
@@ -56,6 +57,18 @@ const mockItemWithoutMetadata: ItemSearchResult = Object.assign(
     })
   });
 
+const environmentUseThumbs = {
+  browseBy: {
+    showThumbnails: true
+  }
+};
+
+const enviromentNoThumbs = {
+  browseBy: {
+    showThumbnails: false
+  }
+};
+
 describe('JournalVolumeSearchResultListElementComponent', () => {
   beforeEach(waitForAsync(() => {
     TestBed.configureTestingModule({
@@ -63,6 +76,7 @@ describe('JournalVolumeSearchResultListElementComponent', () => {
       providers: [
         { provide: TruncatableService, useValue: {} },
         { provide: DSONameService, useClass: DSONameServiceMock },
+        { provide: APP_CONFIG, useValue: environmentUseThumbs }
       ],
 
       schemas: [NO_ERRORS_SCHEMA]
@@ -77,6 +91,21 @@ describe('JournalVolumeSearchResultListElementComponent', () => {
 
   }));
 
+  describe('with environment.browseBy.showThumbnails set to true', () => {
+    beforeEach(() => {
+      journalVolumeListElementComponent.object = mockItemWithMetadata;
+      fixture.detectChanges();
+    });
+    it('should set showThumbnails to true', () => {
+      expect(journalVolumeListElementComponent.showThumbnails).toBeTrue();
+    });
+
+    it('should add thumbnail element', () => {
+      const thumbnailElement = fixture.debugElement.query(By.css('ds-thumbnail'));
+      expect(thumbnailElement).toBeTruthy();
+    });
+  });
+
   describe('When the item has a journal title', () => {
     beforeEach(() => {
       journalVolumeListElementComponent.object = mockItemWithMetadata;
@@ -125,3 +154,38 @@ describe('JournalVolumeSearchResultListElementComponent', () => {
     });
   });
 });
+
+describe('JournalVolumeSearchResultListElementComponent', () => {
+
+  beforeEach(waitForAsync(() => {
+    TestBed.configureTestingModule({
+      declarations: [JournalVolumeSearchResultListElementComponent, TruncatePipe],
+      providers: [
+        {provide: TruncatableService, useValue: {}},
+        {provide: DSONameService, useClass: DSONameServiceMock},
+        { provide: APP_CONFIG, useValue: enviromentNoThumbs }
+      ],
+
+      schemas: [NO_ERRORS_SCHEMA]
+    }).overrideComponent(JournalVolumeSearchResultListElementComponent, {
+      set: {changeDetection: ChangeDetectionStrategy.Default}
+    }).compileComponents();
+  }));
+
+  beforeEach(waitForAsync(() => {
+    fixture = TestBed.createComponent(JournalVolumeSearchResultListElementComponent);
+    journalVolumeListElementComponent = fixture.componentInstance;
+  }));
+
+  describe('with environment.browseBy.showThumbnails set to false', () => {
+    beforeEach(() => {
+      journalVolumeListElementComponent.object = mockItemWithMetadata;
+      fixture.detectChanges();
+    });
+
+    it('should not add thumbnail element', () => {
+      const thumbnailElement = fixture.debugElement.query(By.css('ds-thumbnail'));
+      expect(thumbnailElement).toBeFalsy();
+    });
+  });
+});

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

@@ -13,4 +13,15 @@ import { ItemSearchResultListElementComponent } from '../../../../../shared/obje
  * The component for displaying a list element for an item search result of the type Journal Volume
  */
 export class JournalVolumeSearchResultListElementComponent extends ItemSearchResultListElementComponent {
+
+  /**
+   * Display thumbnails if required by configuration
+   */
+  showThumbnails: boolean;
+
+  ngOnInit(): void {
+    super.ngOnInit();
+    this.showThumbnails = this.appConfig.browseBy.showThumbnails;
+  }
+
 }

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

@@ -1,3 +1,12 @@
+<div class="row">
+  <div *ngIf="showThumbnails" class="col-3 col-md-2">
+    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer"
+       [routerLink]="[itemPageRoute]" class="lead item-list-title dont-break-out">
+      <ds-thumbnail [thumbnail]="dso?.thumbnail | async" [limitWidth]="true">
+      </ds-thumbnail>
+    </a>
+  </div>
+  <div [ngClass]="showThumbnails ? 'col-9' : 'col-md-12'">
     <ds-type-badge *ngIf="showLabel" [object]="dso"></ds-type-badge>
     <ds-truncatable [id]="dso.id">
       <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer"
@@ -17,3 +26,5 @@
         </ds-truncatable-part>
   </span>
     </ds-truncatable>
+  </div>
+</div>

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

@@ -9,6 +9,7 @@ import { TruncatableService } from '../../../../../shared/truncatable/truncatabl
 import { ItemSearchResult } from '../../../../../shared/object-collection/shared/item-search-result.model';
 import { DSONameService } from '../../../../../core/breadcrumbs/dso-name.service';
 import { DSONameServiceMock } from '../../../../../shared/mocks/dso-name.service.mock';
+import { APP_CONFIG } from '../../../../../../config/app-config.interface';
 
 let journalListElementComponent: JournalSearchResultListElementComponent;
 let fixture: ComponentFixture<JournalSearchResultListElementComponent>;
@@ -52,6 +53,18 @@ const mockItemWithoutMetadata: ItemSearchResult = Object.assign(
   }
 );
 
+const environmentUseThumbs = {
+  browseBy: {
+    showThumbnails: true
+  }
+};
+
+const enviromentNoThumbs = {
+  browseBy: {
+    showThumbnails: false
+  }
+};
+
 describe('JournalSearchResultListElementComponent', () => {
   beforeEach(waitForAsync(() => {
     TestBed.configureTestingModule({
@@ -59,6 +72,7 @@ describe('JournalSearchResultListElementComponent', () => {
       providers: [
         { provide: TruncatableService, useValue: {} },
         { provide: DSONameService, useClass: DSONameServiceMock },
+        { provide: APP_CONFIG, useValue: environmentUseThumbs }
       ],
 
       schemas: [NO_ERRORS_SCHEMA]
@@ -73,6 +87,21 @@ describe('JournalSearchResultListElementComponent', () => {
 
   }));
 
+  describe('with environment.browseBy.showThumbnails set to true', () => {
+    beforeEach(() => {
+      journalListElementComponent.object = mockItemWithMetadata;
+      fixture.detectChanges();
+    });
+    it('should set showThumbnails to true', () => {
+      expect(journalListElementComponent.showThumbnails).toBeTrue();
+    });
+
+    it('should add thumbnail element', () => {
+      const thumbnailElement = fixture.debugElement.query(By.css('ds-thumbnail'));
+      expect(thumbnailElement).toBeTruthy();
+    });
+  });
+
   describe('When the item has an issn', () => {
     beforeEach(() => {
       journalListElementComponent.object = mockItemWithMetadata;
@@ -97,3 +126,39 @@ describe('JournalSearchResultListElementComponent', () => {
     });
   });
 });
+
+describe('JournalSearchResultListElementComponent', () => {
+
+  beforeEach(waitForAsync(() => {
+    TestBed.configureTestingModule({
+      declarations: [JournalSearchResultListElementComponent, TruncatePipe],
+      providers: [
+        {provide: TruncatableService, useValue: {}},
+        {provide: DSONameService, useClass: DSONameServiceMock},
+        { provide: APP_CONFIG, useValue: enviromentNoThumbs }
+      ],
+
+      schemas: [NO_ERRORS_SCHEMA]
+    }).overrideComponent(JournalSearchResultListElementComponent, {
+      set: {changeDetection: ChangeDetectionStrategy.Default}
+    }).compileComponents();
+  }));
+
+  beforeEach(waitForAsync(() => {
+    fixture = TestBed.createComponent(JournalSearchResultListElementComponent);
+    journalListElementComponent = fixture.componentInstance;
+  }));
+
+  describe('with environment.browseBy.showThumbnails set to false', () => {
+    beforeEach(() => {
+
+      journalListElementComponent.object = mockItemWithMetadata;
+      fixture.detectChanges();
+    });
+
+    it('should not add thumbnail element', () => {
+      const thumbnailElement = fixture.debugElement.query(By.css('ds-thumbnail'));
+      expect(thumbnailElement).toBeFalsy();
+    });
+  });
+});

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

@@ -13,4 +13,15 @@ import { ItemSearchResultListElementComponent } from '../../../../../shared/obje
  * The component for displaying a list element for an item search result of the type Journal
  */
 export class JournalSearchResultListElementComponent extends ItemSearchResultListElementComponent {
+
+  /**
+   * Display thumbnails if required by configuration
+   */
+  showThumbnails: boolean;
+
+  ngOnInit(): void {
+    super.ngOnInit();
+    this.showThumbnails = this.appConfig.browseBy.showThumbnails;
+  }
+
 }

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

@@ -1,6 +1,20 @@
+<div class="row">
+  <div *ngIf="showThumbnails" class="col-3 col-md-2">
+    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'"
+       rel="noopener noreferrer"
+       [routerLink]="[itemPageRoute]" class="dont-break-out">
+      <ds-thumbnail [thumbnail]="dso?.thumbnail | async"
+                    [defaultImage]="'assets/images/orgunit-placeholder.svg'"
+                    [alt]="'thumbnail.orgunit.alt'"
+                    [placeholder]="'thumbnail.orgunit.placeholder'">
+      </ds-thumbnail>
+    </a>
+  </div>
+  <div [ngClass]="showThumbnails ? 'col-9' : 'col-md-12'">
     <ds-type-badge *ngIf="showLabel" [object]="dso"></ds-type-badge>
     <ds-truncatable [id]="dso.id">
-    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer"
+      <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'"
+         rel="noopener noreferrer"
          [routerLink]="[itemPageRoute]" class="lead"
          [innerHTML]="firstMetadataValue('organization.legalName')"></a>
       <span *ngIf="linkType == linkTypes.None"
@@ -15,3 +29,5 @@
       </span>
   </span>
     </ds-truncatable>
+  </div>
+</div>

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

@@ -9,6 +9,7 @@ import { TruncatableService } from '../../../../../shared/truncatable/truncatabl
 import { ItemSearchResult } from '../../../../../shared/object-collection/shared/item-search-result.model';
 import { DSONameService } from '../../../../../core/breadcrumbs/dso-name.service';
 import { DSONameServiceMock } from '../../../../../shared/mocks/dso-name.service.mock';
+import { APP_CONFIG } from '../../../../../../config/app-config.interface';
 
 let orgUnitListElementComponent: OrgUnitSearchResultListElementComponent;
 let fixture: ComponentFixture<OrgUnitSearchResultListElementComponent>;
@@ -50,13 +51,26 @@ const mockItemWithoutMetadata: ItemSearchResult = Object.assign(
     })
   });
 
+const environmentUseThumbs = {
+  browseBy: {
+    showThumbnails: true
+  }
+};
+
+const enviromentNoThumbs = {
+  browseBy: {
+    showThumbnails: false
+  }
+};
+
 describe('OrgUnitSearchResultListElementComponent', () => {
   beforeEach(waitForAsync(() => {
     TestBed.configureTestingModule({
       declarations: [ OrgUnitSearchResultListElementComponent , TruncatePipe],
       providers: [
         { provide: TruncatableService, useValue: {} },
-        { provide: DSONameService, useClass: DSONameServiceMock }
+        { provide: DSONameService, useClass: DSONameServiceMock },
+        { provide: APP_CONFIG, useValue: environmentUseThumbs }
       ],
 
       schemas: [ NO_ERRORS_SCHEMA ]
@@ -71,6 +85,21 @@ describe('OrgUnitSearchResultListElementComponent', () => {
 
   }));
 
+  describe('with environment.browseBy.showThumbnails set to true', () => {
+    beforeEach(() => {
+      orgUnitListElementComponent.object = mockItemWithMetadata;
+      fixture.detectChanges();
+    });
+    it('should set showThumbnails to true', () => {
+      expect(orgUnitListElementComponent.showThumbnails).toBeTrue();
+    });
+
+    it('should add thumbnail element', () => {
+      const thumbnailElement = fixture.debugElement.query(By.css('ds-thumbnail'));
+      expect(thumbnailElement).toBeTruthy();
+    });
+  });
+
   describe('When the item has an org unit description', () => {
     beforeEach(() => {
       orgUnitListElementComponent.object = mockItemWithMetadata;
@@ -95,3 +124,39 @@ describe('OrgUnitSearchResultListElementComponent', () => {
     });
   });
 });
+
+describe('OrgUnitSearchResultListElementComponent', () => {
+
+  beforeEach(waitForAsync(() => {
+    TestBed.configureTestingModule({
+      declarations: [OrgUnitSearchResultListElementComponent, TruncatePipe],
+      providers: [
+        {provide: TruncatableService, useValue: {}},
+        {provide: DSONameService, useClass: DSONameServiceMock},
+        { provide: APP_CONFIG, useValue: enviromentNoThumbs }
+      ],
+
+      schemas: [NO_ERRORS_SCHEMA]
+    }).overrideComponent(OrgUnitSearchResultListElementComponent, {
+      set: {changeDetection: ChangeDetectionStrategy.Default}
+    }).compileComponents();
+  }));
+
+  beforeEach(waitForAsync(() => {
+    fixture = TestBed.createComponent(OrgUnitSearchResultListElementComponent);
+    orgUnitListElementComponent = fixture.componentInstance;
+  }));
+
+  describe('with environment.browseBy.showThumbnails set to false', () => {
+    beforeEach(() => {
+
+      orgUnitListElementComponent.object = mockItemWithMetadata;
+      fixture.detectChanges();
+    });
+
+    it('should not add thumbnail element', () => {
+      const thumbnailElement = fixture.debugElement.query(By.css('ds-thumbnail'));
+      expect(thumbnailElement).toBeNull();
+    });
+  });
+});

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

@@ -13,4 +13,15 @@ import { ItemSearchResultListElementComponent } from '../../../../../shared/obje
  * The component for displaying a list element for an item search result of the type Organisation Unit
  */
 export class OrgUnitSearchResultListElementComponent extends ItemSearchResultListElementComponent {
+
+  /**
+   * Display thumbnail if required by configuration
+   */
+  showThumbnails: boolean;
+
+  ngOnInit(): void {
+    super.ngOnInit();
+    this.showThumbnails = this.appConfig.browseBy.showThumbnails;
+  }
+
 }

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

@@ -1,6 +1,20 @@
+<div class="row">
+  <div *ngIf="showThumbnails" class="col-3 col-md-2">
+    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'"
+       rel="noopener noreferrer"
+       [routerLink]="[itemPageRoute]" class="dont-break-out">
+      <ds-thumbnail [thumbnail]="dso?.thumbnail | async"
+                    [defaultImage]="'assets/images/person-placeholder.svg'"
+                    [alt]="'thumbnail.person.alt'"
+                    [placeholder]="'thumbnail.person.placeholder'">
+      </ds-thumbnail>
+    </a>
+  </div>
+  <div [ngClass]="showThumbnails ? 'col-9 col-md-10' : 'col-12'">
     <ds-type-badge *ngIf="showLabel" [object]="dso"></ds-type-badge>
     <ds-truncatable [id]="dso.id">
-    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer"
+      <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'"
+         rel="noopener noreferrer"
          [routerLink]="[itemPageRoute]" class="lead"
          [innerHTML]="name"></a>
       <span *ngIf="linkType == linkTypes.None"
@@ -17,3 +31,6 @@
         </ds-truncatable-part>
   </span>
     </ds-truncatable>
+  </div>
+</div>
+

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

@@ -9,6 +9,7 @@ import { TruncatePipe } from '../../../../../shared/utils/truncate.pipe';
 import { TruncatableService } from '../../../../../shared/truncatable/truncatable.service';
 import { DSONameService } from '../../../../../core/breadcrumbs/dso-name.service';
 import { DSONameServiceMock } from '../../../../../shared/mocks/dso-name.service.mock';
+import { APP_CONFIG } from '../../../../../../config/app-config.interface';
 
 let personListElementComponent: PersonSearchResultListElementComponent;
 let fixture: ComponentFixture<PersonSearchResultListElementComponent>;
@@ -50,13 +51,26 @@ const mockItemWithoutMetadata: ItemSearchResult = Object.assign(
     })
   });
 
+const environmentUseThumbs = {
+  browseBy: {
+    showThumbnails: true
+  }
+};
+
+const enviromentNoThumbs = {
+  browseBy: {
+    showThumbnails: false
+  }
+};
+
 describe('PersonSearchResultListElementComponent', () => {
   beforeEach(waitForAsync(() => {
     TestBed.configureTestingModule({
       declarations: [PersonSearchResultListElementComponent, TruncatePipe],
       providers: [
         { provide: TruncatableService, useValue: {} },
-        { provide: DSONameService, useClass: DSONameServiceMock }
+        { provide: DSONameService, useClass: DSONameServiceMock },
+        { provide: APP_CONFIG, useValue: environmentUseThumbs }
       ],
 
       schemas: [NO_ERRORS_SCHEMA]
@@ -71,6 +85,21 @@ describe('PersonSearchResultListElementComponent', () => {
 
   }));
 
+  describe('with environment.browseBy.showThumbnails set to true', () => {
+    beforeEach(() => {
+      personListElementComponent.object = mockItemWithMetadata;
+      fixture.detectChanges();
+    });
+    it('should set showThumbnails to true', () => {
+      expect(personListElementComponent.showThumbnails).toBeTrue();
+    });
+
+    it('should add thumbnail element', () => {
+      const thumbnailElement = fixture.debugElement.query(By.css('ds-thumbnail'));
+      expect(thumbnailElement).toBeTruthy();
+    });
+  });
+
   describe('When the item has a job title', () => {
     beforeEach(() => {
       personListElementComponent.object = mockItemWithMetadata;
@@ -95,3 +124,39 @@ describe('PersonSearchResultListElementComponent', () => {
     });
   });
 });
+
+describe('PersonSearchResultListElementComponent', () => {
+
+  beforeEach(waitForAsync(() => {
+    TestBed.configureTestingModule({
+      declarations: [PersonSearchResultListElementComponent, TruncatePipe],
+      providers: [
+        {provide: TruncatableService, useValue: {}},
+        {provide: DSONameService, useClass: DSONameServiceMock},
+        { provide: APP_CONFIG, useValue: enviromentNoThumbs }
+      ],
+
+      schemas: [NO_ERRORS_SCHEMA]
+    }).overrideComponent(PersonSearchResultListElementComponent, {
+      set: {changeDetection: ChangeDetectionStrategy.Default}
+    }).compileComponents();
+  }));
+
+  beforeEach(waitForAsync(() => {
+    fixture = TestBed.createComponent(PersonSearchResultListElementComponent);
+    personListElementComponent = fixture.componentInstance;
+  }));
+
+  describe('with environment.browseBy.showThumbnails set to false', () => {
+    beforeEach(() => {
+
+      personListElementComponent.object = mockItemWithMetadata;
+      fixture.detectChanges();
+    });
+
+    it('should not add thumbnail element', () => {
+      const thumbnailElement = fixture.debugElement.query(By.css('ds-thumbnail'));
+      expect(thumbnailElement).toBeFalsy();
+    });
+  });
+});

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

@@ -1,4 +1,4 @@
-import { Component } from '@angular/core';
+import { Component, Inject } from '@angular/core';
 import {
   listableObjectComponent
 } from '../../../../../shared/object-collection/shared/listable-object/listable-object.decorator';
@@ -8,6 +8,7 @@ import {
 } from '../../../../../shared/object-list/search-result-list-element/item-search-result/item-types/item/item-search-result-list-element.component';
 import { TruncatableService } from '../../../../../shared/truncatable/truncatable.service';
 import { DSONameService } from '../../../../../core/breadcrumbs/dso-name.service';
+import { APP_CONFIG, AppConfig } from '../../../../../../config/app-config.interface';
 
 @listableObjectComponent('PersonSearchResult', ViewMode.ListElement)
 @Component({
@@ -20,8 +21,20 @@ import { DSONameService } from '../../../../../core/breadcrumbs/dso-name.service
  */
 export class PersonSearchResultListElementComponent extends ItemSearchResultListElementComponent {
 
-  public constructor(protected truncatableService: TruncatableService, protected dsoNameService: DSONameService) {
+  public constructor(protected truncatableService: TruncatableService,
-    super(truncatableService, dsoNameService);
+                     protected dsoNameService: DSONameService,
+                     @Inject(APP_CONFIG) protected appConfig: AppConfig ) {
+    super(truncatableService, dsoNameService, appConfig);
+  }
+
+  /**
+   * Display thumbnail if required by configuration
+   */
+  showThumbnails: boolean;
+
+  ngOnInit(): void {
+    super.ngOnInit();
+    this.showThumbnails = this.appConfig.browseBy.showThumbnails;
   }
 
   /**

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

@@ -1,6 +1,20 @@
+<div class="row">
+  <div *ngIf="showThumbnails" class="col-3 col-md-2">
+    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'"
+       rel="noopener noreferrer"
+       [routerLink]="[itemPageRoute]" class="dont-break-out">
+      <ds-thumbnail [thumbnail]="dso?.thumbnail | async"
+                    [defaultImage]="'assets/images/project-placeholder.svg'"
+                    [alt]="'thumbnail.project.alt'"
+                    [placeholder]="'thumbnail.project.placeholder'">
+      </ds-thumbnail>
+    </a>
+  </div>
+  <div [ngClass]="showThumbnails ? 'col-9' : 'col-md-12'">
     <ds-truncatable [id]="dso.id">
       <ds-type-badge *ngIf="showLabel" [object]="dso"></ds-type-badge>
-    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer"
+      <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'"
+         rel="noopener noreferrer"
          [routerLink]="[itemPageRoute]" class="lead item-list-title dont-break-out"
          [innerHTML]="dsoTitle"></a>
       <span *ngIf="linkType == linkTypes.None"
@@ -17,3 +31,5 @@
       <!--</ds-truncatable-part>-->
       <!--</span>-->
     </ds-truncatable>
+  </div>
+</div>

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

@@ -8,6 +8,8 @@ import { TruncatePipe } from '../../../../../shared/utils/truncate.pipe';
 import { TruncatableService } from '../../../../../shared/truncatable/truncatable.service';
 import { DSONameService } from '../../../../../core/breadcrumbs/dso-name.service';
 import { DSONameServiceMock } from '../../../../../shared/mocks/dso-name.service.mock';
+import { By } from '@angular/platform-browser';
+import { APP_CONFIG } from '../../../../../../config/app-config.interface';
 
 let projectListElementComponent: ProjectSearchResultListElementComponent;
 let fixture: ComponentFixture<ProjectSearchResultListElementComponent>;
@@ -50,13 +52,26 @@ const mockItemWithoutMetadata: ItemSearchResult = Object.assign(
     })
   });
 
+const environmentUseThumbs = {
+  browseBy: {
+    showThumbnails: true
+  }
+};
+
+const enviromentNoThumbs = {
+  browseBy: {
+    showThumbnails: false
+  }
+};
+
 describe('ProjectSearchResultListElementComponent', () => {
   beforeEach(waitForAsync(() => {
     TestBed.configureTestingModule({
       declarations: [ProjectSearchResultListElementComponent, TruncatePipe],
       providers: [
         { provide: TruncatableService, useValue: {} },
-        { provide: DSONameService, useClass: DSONameServiceMock }
+        { provide: DSONameService, useClass: DSONameServiceMock },
+        { provide: APP_CONFIG, useValue: environmentUseThumbs }
       ],
 
       schemas: [NO_ERRORS_SCHEMA]
@@ -71,6 +86,21 @@ describe('ProjectSearchResultListElementComponent', () => {
 
   }));
 
+  describe('with environment.browseBy.showThumbnails set to true', () => {
+    beforeEach(() => {
+      projectListElementComponent.object = mockItemWithMetadata;
+      fixture.detectChanges();
+    });
+    it('should set showThumbnails to true', () => {
+      expect(projectListElementComponent.showThumbnails).toBeTrue();
+    });
+
+    it('should add thumbnail element', () => {
+      const thumbnailElement = fixture.debugElement.query(By.css('ds-thumbnail'));
+      expect(thumbnailElement).toBeTruthy();
+    });
+  });
+
   // describe('When the item has a status', () => {
   //   beforeEach(() => {
   //     projectListElementComponent.item = mockItemWithMetadata;
@@ -95,3 +125,40 @@ describe('ProjectSearchResultListElementComponent', () => {
   //   });
   // });
 });
+
+describe('ProjectSearchResultListElementComponent', () => {
+
+  beforeEach(waitForAsync(() => {
+    TestBed.configureTestingModule({
+      declarations: [ProjectSearchResultListElementComponent, TruncatePipe],
+      providers: [
+        {provide: TruncatableService, useValue: {}},
+        {provide: DSONameService, useClass: DSONameServiceMock},
+        { provide: APP_CONFIG, useValue: enviromentNoThumbs }
+
+      ],
+
+      schemas: [NO_ERRORS_SCHEMA]
+    }).overrideComponent(ProjectSearchResultListElementComponent, {
+      set: {changeDetection: ChangeDetectionStrategy.Default}
+    }).compileComponents();
+  }));
+
+  beforeEach(waitForAsync(() => {
+    fixture = TestBed.createComponent(ProjectSearchResultListElementComponent);
+    projectListElementComponent = fixture.componentInstance;
+  }));
+
+  describe('with environment.browseBy.showThumbnails set to false', () => {
+    beforeEach(() => {
+
+      projectListElementComponent.object = mockItemWithMetadata;
+      fixture.detectChanges();
+    });
+
+    it('should not add thumbnail element', () => {
+      const thumbnailElement = fixture.debugElement.query(By.css('ds-thumbnail'));
+      expect(thumbnailElement).toBeFalsy();
+    });
+  });
+});

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

@@ -13,4 +13,15 @@ import { ItemSearchResultListElementComponent } from '../../../../../shared/obje
  * The component for displaying a list element for an item search result of the type Project
  */
 export class ProjectSearchResultListElementComponent extends ItemSearchResultListElementComponent {
+
+  /**
+   * Display thumbnail if required by configuration
+   */
+  showThumbnails: boolean;
+
+  ngOnInit(): void {
+    super.ngOnInit();
+    this.showThumbnails = this.appConfig.browseBy.showThumbnails;
+  }
+
 }

src/app/entity-groups/research-entities/item-pages/org-unit/org-unit.component.html

@@ -36,7 +36,7 @@
       [label]="'orgunit.page.id'">
     </ds-generic-item-page-field>
   </div>
-  <div class="col-xs-12 col-md-6">
+  <div class="col-xs-12 col-md-7">
     <ds-related-items
       [parentItem]="object"
       [relationType]="'isPublicationOfOrgUnit'"

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

@@ -29,7 +29,7 @@
       [label]="'person.page.birthdate'">
     </ds-generic-item-page-field>
   </div>
-  <div class="col-xs-12 col-md-6">
+  <div class="col-xs-12 col-md-7">
     <ds-related-items
       [parentItem]="object"
       [relationType]="'isProjectOfPerson'"

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

@@ -42,7 +42,7 @@
       <!--[label]="'project.page.expectedcompletion'">-->
     <!--</ds-generic-item-page-field>-->
   </div>
-  <div class="col-xs-12 col-md-6">
+  <div class="col-xs-12 col-md-7">
     <ds-related-items
       [parentItem]="object"
       [relationType]="'isPersonOfProject'"

src/app/entity-groups/research-entities/submission/item-list-elements/org-unit/org-unit-search-result-list-submission-element.component.spec.ts

@@ -29,6 +29,8 @@ import { TruncatePipe } from '../../../../../shared/utils/truncate.pipe';
 import { OrgUnitSearchResultListSubmissionElementComponent } from './org-unit-search-result-list-submission-element.component';
 import { DSONameService } from '../../../../../core/breadcrumbs/dso-name.service';
 import { DSONameServiceMock } from '../../../../../shared/mocks/dso-name.service.mock';
+import { APP_CONFIG } from '../../../../../../config/app-config.interface';
+import { environment } from '../../../../../../environments/environment';
 
 let personListElementComponent: OrgUnitSearchResultListSubmissionElementComponent;
 let fixture: ComponentFixture<OrgUnitSearchResultListSubmissionElementComponent>;
@@ -117,7 +119,8 @@ describe('OrgUnitSearchResultListSubmissionElementComponent', () => {
         { provide: DSOChangeAnalyzer, useValue: {} },
         { provide: DefaultChangeAnalyzer, useValue: {} },
         { provide: BitstreamDataService, useValue: mockBitstreamDataService },
-        { provide: DSONameService, useClass: DSONameServiceMock }
+        { provide: DSONameService, useClass: DSONameServiceMock },
+        { provide: APP_CONFIG, useValue: environment }
       ],
 
       schemas: [NO_ERRORS_SCHEMA]
@@ -179,4 +182,6 @@ describe('OrgUnitSearchResultListSubmissionElementComponent', () => {
       expect(jobTitleField).toBeNull();
     });
   });
+
 });
+

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

@@ -1,4 +1,4 @@
-import { Component, OnInit } from '@angular/core';
+import { Component, Inject, OnInit } from '@angular/core';
 import { BitstreamDataService } from '../../../../../core/data/bitstream-data.service';
 import { SearchResultListElementComponent } from '../../../../../shared/object-list/search-result-list-element/search-result-list-element.component';
 import { ItemSearchResult } from '../../../../../shared/object-collection/shared/item-search-result.model';
@@ -17,6 +17,7 @@ import { ItemDataService } from '../../../../../core/data/item-data.service';
 import { SelectableListService } from '../../../../../shared/object-list/selectable-list/selectable-list.service';
 import { NameVariantModalComponent } from '../../name-variant-modal/name-variant-modal.component';
 import { DSONameService } from '../../../../../core/breadcrumbs/dso-name.service';
+import { APP_CONFIG, AppConfig } from '../../../../../../config/app-config.interface';
 
 @listableObjectComponent('OrgUnitSearchResult', ViewMode.ListElement, Context.EntitySearchModal)
 @listableObjectComponent('OrgUnitSearchResult', ViewMode.ListElement, Context.EntitySearchModalWithNameVariants)
@@ -35,6 +36,11 @@ export class OrgUnitSearchResultListSubmissionElementComponent extends SearchRes
   alternativeField = 'dc.title.alternative';
   useNameVariants = false;
 
+  /**
+   * Display thumbnail if required by configuration
+   */
+  showThumbnails: boolean;
+
   constructor(protected truncatableService: TruncatableService,
               private relationshipService: RelationshipDataService,
               private notificationsService: NotificationsService,
@@ -43,9 +49,10 @@ export class OrgUnitSearchResultListSubmissionElementComponent extends SearchRes
               private itemDataService: ItemDataService,
               private bitstreamDataService: BitstreamDataService,
               private selectableListService: SelectableListService,
-              protected dsoNameService: DSONameService
+              protected dsoNameService: DSONameService,
+              @Inject(APP_CONFIG) protected appConfig: AppConfig
   ) {
-    super(truncatableService, dsoNameService);
+    super(truncatableService, dsoNameService, appConfig);
   }
 
   ngOnInit() {
@@ -65,6 +72,7 @@ export class OrgUnitSearchResultListSubmissionElementComponent extends SearchRes
           }
         );
     }
+    this.showThumbnails = this.appConfig.browseBy.showThumbnails;
   }
 
   select(value) {

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

@@ -1,6 +1,20 @@
+<div class="row">
+  <div *ngIf="showThumbnails" class="col-3 col-md-2">
+    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'"
+       rel="noopener noreferrer" class="dont-break-out">
+      <ds-thumbnail [thumbnail]="dso?.thumbnail | async"
+                    [defaultImage]="'assets/images/person-placeholder.svg'"
+                    [alt]="'thumbnail.person.alt'"
+                    [placeholder]="'thumbnail.person.placeholder'">
+      </ds-thumbnail>
+    </a>
+  </div>
+  <div [ngClass]="showThumbnails ? 'col-9' : 'col-md-12'">
     <div class="d-flex">
       <div class="flex-grow-1">
-        <ds-person-input-suggestions [suggestions]="allSuggestions" [(ngModel)]="selectedName" (clickSuggestion)="select($event)" (submitSuggestion)="selectCustom($event)"></ds-person-input-suggestions>
+        <ds-person-input-suggestions [suggestions]="allSuggestions" [(ngModel)]="selectedName"
+                                     (clickSuggestion)="select($event)"
+                                     (submitSuggestion)="selectCustom($event)"></ds-person-input-suggestions>
         <span class="text-muted">
         <span *ngIf="dso.allMetadata(['person.jobTitle']).length > 0"
               class="item-list-job-title">
@@ -11,3 +25,5 @@
     </span>
       </div>
     </div>
+  </div>
+</div>

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

@@ -27,6 +27,7 @@ import { createSuccessfulRemoteDataObject$ } from '../../../../../shared/remote-
 import { TruncatableService } from '../../../../../shared/truncatable/truncatable.service';
 import { TruncatePipe } from '../../../../../shared/utils/truncate.pipe';
 import { PersonSearchResultListSubmissionElementComponent } from './person-search-result-list-submission-element.component';
+import { APP_CONFIG } from '../../../../../../config/app-config.interface';
 
 let personListElementComponent: PersonSearchResultListSubmissionElementComponent;
 let fixture: ComponentFixture<PersonSearchResultListSubmissionElementComponent>;
@@ -37,6 +38,18 @@ let mockItemWithoutMetadata: ItemSearchResult;
 let nameVariant;
 let mockRelationshipService;
 
+const environmentUseThumbs = {
+  browseBy: {
+    showThumbnails: true
+  }
+};
+
+const enviromentNoThumbs = {
+  browseBy: {
+    showThumbnails: false
+  }
+};
+
 function init() {
   mockItemWithMetadata = Object.assign(
     new ItemSearchResult(),
@@ -109,6 +122,7 @@ describe('PersonSearchResultListElementSubmissionComponent', () => {
         { provide: DSOChangeAnalyzer, useValue: {} },
         { provide: DefaultChangeAnalyzer, useValue: {} },
         { provide: BitstreamDataService, useValue: mockBitstreamDataService },
+        { provide: APP_CONFIG, useValue: environmentUseThumbs }
       ],
 
       schemas: [NO_ERRORS_SCHEMA]
@@ -146,4 +160,72 @@ describe('PersonSearchResultListElementSubmissionComponent', () => {
       expect(jobTitleField).toBeNull();
     });
   });
+
+  describe('When the environment is set to show thumbnails', () => {
+    beforeEach(() => {
+      personListElementComponent.object = mockItemWithoutMetadata;
+      fixture.detectChanges();
+    });
+
+    it('should add the ds-thumbnail element', () => {
+      const thumbnail = fixture.debugElement.query(By.css('ds-thumbnail'));
+      expect(thumbnail).toBeTruthy();
+    });
+  });
+});
+
+describe('PersonSearchResultListElementSubmissionComponent', () => {
+  const mockBitstreamDataService = {
+    getThumbnailFor(item: Item): Observable<RemoteData<Bitstream>> {
+      return createSuccessfulRemoteDataObject$(new Bitstream());
+    }
+  };
+  beforeEach(waitForAsync(() => {
+    init();
+    TestBed.configureTestingModule({
+      declarations: [PersonSearchResultListSubmissionElementComponent, TruncatePipe],
+      providers: [
+        { provide: TruncatableService, useValue: {} },
+        { provide: RelationshipDataService, useValue: mockRelationshipService },
+        { provide: NotificationsService, useValue: {} },
+        { provide: TranslateService, useValue: {} },
+        { provide: NgbModal, useValue: {} },
+        { provide: ItemDataService, useValue: {} },
+        { provide: SelectableListService, useValue: {} },
+        { provide: Store, useValue: {}},
+        { provide: ObjectCacheService, useValue: {} },
+        { provide: UUIDService, useValue: {} },
+        { provide: RemoteDataBuildService, useValue: {} },
+        { provide: CommunityDataService, useValue: {} },
+        { provide: HALEndpointService, useValue: {} },
+        { provide: HttpClient, useValue: {} },
+        { provide: DSOChangeAnalyzer, useValue: {} },
+        { provide: DefaultChangeAnalyzer, useValue: {} },
+        { provide: BitstreamDataService, useValue: mockBitstreamDataService },
+        { provide: APP_CONFIG, useValue: enviromentNoThumbs }
+      ],
+
+      schemas: [NO_ERRORS_SCHEMA]
+    }).overrideComponent(PersonSearchResultListSubmissionElementComponent, {
+      set: { changeDetection: ChangeDetectionStrategy.Default }
+    }).compileComponents();
+  }));
+
+  beforeEach(waitForAsync(() => {
+    fixture = TestBed.createComponent(PersonSearchResultListSubmissionElementComponent);
+    personListElementComponent = fixture.componentInstance;
+
+  }));
+
+  describe('When the environment is not set to show thumbnails', () => {
+    beforeEach(() => {
+      personListElementComponent.object = mockItemWithoutMetadata;
+      fixture.detectChanges();
+    });
+
+    it('should not add the ds-thumbnail element', () => {
+      const thumbnail = fixture.debugElement.query(By.css('ds-thumbnail'));
+      expect(thumbnail).toBeNull();
+    });
+  });
 });

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

@@ -1,4 +1,4 @@
-import { Component, OnInit } from '@angular/core';
+import { Component, Inject, OnInit } from '@angular/core';
 import { BitstreamDataService } from '../../../../../core/data/bitstream-data.service';
 import { SearchResultListElementComponent } from '../../../../../shared/object-list/search-result-list-element/search-result-list-element.component';
 import { ItemSearchResult } from '../../../../../shared/object-collection/shared/item-search-result.model';
@@ -17,6 +17,7 @@ import { MetadataValue } from '../../../../../core/shared/metadata.models';
 import { ItemDataService } from '../../../../../core/data/item-data.service';
 import { SelectableListService } from '../../../../../shared/object-list/selectable-list/selectable-list.service';
 import { DSONameService } from '../../../../../core/breadcrumbs/dso-name.service';
+import { APP_CONFIG, AppConfig } from '../../../../../../config/app-config.interface';
 
 @listableObjectComponent('PersonSearchResult', ViewMode.ListElement, Context.EntitySearchModalWithNameVariants)
 @Component({
@@ -33,6 +34,11 @@ export class PersonSearchResultListSubmissionElementComponent extends SearchResu
   selectedName: string;
   alternativeField = 'dc.title.alternative';
 
+  /**
+   * Display thumbnail if required by configuration
+   */
+  showThumbnails: boolean;
+
   constructor(protected truncatableService: TruncatableService,
               private relationshipService: RelationshipDataService,
               private notificationsService: NotificationsService,
@@ -41,9 +47,10 @@ export class PersonSearchResultListSubmissionElementComponent extends SearchResu
               private itemDataService: ItemDataService,
               private bitstreamDataService: BitstreamDataService,
               private selectableListService: SelectableListService,
-              protected dsoNameService: DSONameService
+              protected dsoNameService: DSONameService,
+              @Inject(APP_CONFIG) protected appConfig: AppConfig
   ) {
-    super(truncatableService, dsoNameService);
+    super(truncatableService, dsoNameService, appConfig);
   }
 
   ngOnInit() {
@@ -58,6 +65,7 @@ export class PersonSearchResultListSubmissionElementComponent extends SearchResu
         this.selectedName = nameVariant || defaultValue;
         }
       );
+    this.showThumbnails = this.appConfig.browseBy.showThumbnails;
   }
 
   select(value) {

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

@@ -31,6 +31,7 @@ import { SearchConfigurationServiceStub } from '../../../../shared/testing/searc
 import { ConfigurationProperty } from '../../../../core/shared/configuration-property.model';
 import { Router } from '@angular/router';
 import { RouterMock } from '../../../../shared/mocks/router.mock';
+import { APP_CONFIG } from '../../../../../config/app-config.interface';
 
 let comp: EditRelationshipListComponent;
 let fixture: ComponentFixture<EditRelationshipListComponent>;
@@ -201,6 +202,12 @@ describe('EditRelationshipListComponent', () => {
       }))
     });
 
+    const environmentUseThumbs = {
+      browseBy: {
+        showThumbnails: true
+      }
+    };
+
     TestBed.configureTestingModule({
       imports: [SharedModule, TranslateModule.forRoot()],
       declarations: [EditRelationshipListComponent],
@@ -217,6 +224,7 @@ describe('EditRelationshipListComponent', () => {
         { provide: LinkHeadService, useValue: linkHeadService },
         { provide: ConfigurationDataService, useValue: configurationDataService },
         { provide: SearchConfigurationService, useValue: new SearchConfigurationServiceStub() },
+        { provide: APP_CONFIG, useValue: environmentUseThumbs }
       ], schemas: [
         NO_ERRORS_SCHEMA
       ]
@@ -259,9 +267,11 @@ describe('EditRelationshipListComponent', () => {
 
       const callArgs = relationshipService.getItemRelationshipsByLabel.calls.mostRecent().args;
       const findListOptions = callArgs[2];
-
+      const linksToFollow = callArgs[5];
       expect(findListOptions.elementsPerPage).toEqual(paginationOptions.pageSize);
       expect(findListOptions.currentPage).toEqual(paginationOptions.currentPage);
+      expect(linksToFollow.linksToFollow[0].name).toEqual('thumbnail');
+
     });
 
     describe('when the publication is on the left side of the relationship', () => {

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

@@ -1,4 +1,4 @@
-import { Component, EventEmitter, Input, OnDestroy, OnInit, Output } from '@angular/core';
+import { Component, EventEmitter, Inject, Input, OnDestroy, OnInit, Output } from '@angular/core';
 import { NgbModal, NgbModalRef } from '@ng-bootstrap/ng-bootstrap';
 import { LinkService } from '../../../../core/cache/builders/link.service';
 import { ObjectUpdatesService } from '../../../../core/data/object-updates/object-updates.service';
@@ -29,7 +29,7 @@ import { DsDynamicLookupRelationModalComponent } from '../../../../shared/form/b
 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/models/search-result.model';
-import { followLink } from '../../../../shared/utils/follow-link-config.model';
+import { FollowLinkConfig } from '../../../../shared/utils/follow-link-config.model';
 import { PaginatedList } from '../../../../core/data/paginated-list.model';
 import { RemoteData } from '../../../../core/data/remote-data';
 import { Collection } from '../../../../core/shared/collection.model';
@@ -39,6 +39,8 @@ import { RelationshipTypeDataService } from '../../../../core/data/relationship-
 import { FieldUpdate } from '../../../../core/data/object-updates/field-update.model';
 import { FieldUpdates } from '../../../../core/data/object-updates/field-updates.model';
 import { FieldChangeType } from '../../../../core/data/object-updates/field-change-type.model';
+import { APP_CONFIG, AppConfig } from '../../../../../config/app-config.interface';
+import { itemLinksToFollow } from '../../../../shared/utils/relation-query.utils';
 
 @Component({
   selector: 'ds-edit-relationship-list',
@@ -138,6 +140,10 @@ export class EditRelationshipListComponent implements OnInit, OnDestroy {
    */
   modalRef: NgbModalRef;
 
+  /**
+   * Determines whether to ask for the embedded item thumbnail.
+   */
+  fetchThumbnail: boolean;
 
   constructor(
     protected objectUpdatesService: ObjectUpdatesService,
@@ -147,7 +153,9 @@ export class EditRelationshipListComponent implements OnInit, OnDestroy {
     protected modalService: NgbModal,
     protected paginationService: PaginationService,
     protected selectableListService: SelectableListService,
+    @Inject(APP_CONFIG) protected appConfig: AppConfig
   ) {
+    this.fetchThumbnail = this.appConfig.browseBy.showThumbnails;
   }
 
   /**
@@ -484,6 +492,9 @@ export class EditRelationshipListComponent implements OnInit, OnDestroy {
       tap(() => this.loading$.next(true))
     );
 
+    // this adds thumbnail images when required by configuration
+    let linksToFollow: FollowLinkConfig<Relationship>[] = itemLinksToFollow(this.fetchThumbnail);
+
     this.subs.push(
       observableCombineLatest([
         currentPagination$,
@@ -496,12 +507,11 @@ export class EditRelationshipListComponent implements OnInit, OnDestroy {
             currentItemIsLeftItem ? this.relationshipType.leftwardType : this.relationshipType.rightwardType,
             {
               elementsPerPage: currentPagination.pageSize,
-              currentPage: currentPagination.currentPage,
+              currentPage: currentPagination.currentPage
             },
             false,
             true,
-            followLink('leftItem'),
+            ...linksToFollow
-            followLink('rightItem'),
           )),
       ).subscribe((rd: RemoteData<PaginatedList<Relationship>>) => {
         this.relationshipsRd$.next(rd);

src/app/item-page/simple/abstract-incremental-list/abstract-incremental-list.component.ts

@@ -10,6 +10,7 @@ import { hasValue, isNotEmpty } from '../../../shared/empty.util';
  * An abstract component for displaying an incremental list of objects
  */
 export class AbstractIncrementalListComponent<T> implements OnInit, OnDestroy {
+
   /**
    * The amount to increment the list by
    * Define this amount in the child component overriding this component
@@ -21,6 +22,11 @@ export class AbstractIncrementalListComponent<T> implements OnInit, OnDestroy {
    */
   objects: T[];
 
+  /**
+   * Placeholder css class (defined in global-styles)
+   */
+  placeholderFontClass: string;
+
   /**
    * A list of open subscriptions
    */

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

@@ -53,7 +53,7 @@
       [label]="'publication.page.publisher'">
     </ds-generic-item-page-field>
   </div>
-  <div class="col-xs-12 col-md-6">
+  <div class="col-xs-12 col-md-7">
     <ds-related-items
       [parentItem]="object"
       [relationType]="'isProjectOfPublication'"

src/app/item-page/simple/related-items/related-items-component.ts

@@ -1,4 +1,4 @@
-import { Component, Input } from '@angular/core';
+import { Component, ElementRef, Inject, Input, PLATFORM_ID } from '@angular/core';
 import { Item } from '../../../core/shared/item.model';
 import { Observable } from 'rxjs';
 import { RemoteData } from '../../../core/data/remote-data';
@@ -7,6 +7,9 @@ import { ViewMode } from '../../../core/shared/view-mode.model';
 import { RelationshipDataService } from '../../../core/data/relationship-data.service';
 import { AbstractIncrementalListComponent } from '../abstract-incremental-list/abstract-incremental-list.component';
 import { FindListOptions } from '../../../core/data/find-list-options.model';
+import { setPlaceHolderAttributes } from '../../../shared/utils/object-list-utils';
+import { APP_CONFIG, AppConfig } from '../../../../config/app-config.interface';
+import { isPlatformBrowser } from '@angular/common';
 
 @Component({
   selector: 'ds-related-items',
@@ -18,6 +21,7 @@ import { FindListOptions } from '../../../core/data/find-list-options.model';
  * It expects a parent item and relationship type, as well as a label to display on top
  */
 export class RelatedItemsComponent extends AbstractIncrementalListComponent<Observable<RemoteData<PaginatedList<Item>>>> {
+
   /**
    * The parent of the list of related items to display
    */
@@ -53,8 +57,28 @@ export class RelatedItemsComponent extends AbstractIncrementalListComponent<Obse
    */
   viewMode = ViewMode.ListElement;
 
-  constructor(public relationshipService: RelationshipDataService) {
+  /**
+   * Determines whether to request embedded thumbnail.
+   */
+  fetchThumbnail: boolean;
+
+  constructor(public relationshipService: RelationshipDataService,
+              protected elementRef: ElementRef,
+              @Inject(APP_CONFIG) protected appConfig: AppConfig,
+              @Inject(PLATFORM_ID) private platformId: Object
+              ) {
     super();
+    this.fetchThumbnail = this.appConfig.browseBy.showThumbnails;
+  }
+
+  ngOnInit(): void {
+    if (isPlatformBrowser(this.platformId)) {
+      const width = this.elementRef.nativeElement.offsetWidth;
+      this.placeholderFontClass = setPlaceHolderAttributes(width);
+    } else {
+      this.placeholderFontClass = 'hide-placeholder-text';
+    }
+    super.ngOnInit();
   }
 
   /**
@@ -62,6 +86,7 @@ export class RelatedItemsComponent extends AbstractIncrementalListComponent<Obse
    * @param page  The page to fetch
    */
   getPage(page: number): Observable<RemoteData<PaginatedList<Item>>> {
-    return this.relationshipService.getRelatedItemsByLabel(this.parentItem, this.relationType, Object.assign(this.options, { elementsPerPage: this.incrementBy, currentPage: page }));
+    return this.relationshipService.getRelatedItemsByLabel(this.parentItem, this.relationType, Object.assign(this.options,
+      { elementsPerPage: this.incrementBy, currentPage: page, fetchThumbnail: this.fetchThumbnail }));
   }
 }

src/app/item-page/simple/related-items/related-items.component.html

@@ -1,4 +1,4 @@
-<ds-metadata-field-wrapper [label]="label">
+<ds-metadata-field-wrapper [label]="label" [ngClass]="placeholderFontClass">
   <ng-container *ngFor="let objectPage of objects; let i = index">
     <ng-container *ngVar="(objectPage | async) as itemsRD">
       <ds-listable-object-component-loader *ngFor="let item of itemsRD?.payload?.page"

src/app/item-page/simple/related-items/related-items.component.scss

@@ -0,0 +1,8 @@
+:host {
+  display: block;
+}
+ds-listable-object-component-loader {
+  margin-bottom: 10px;
+  display: block;
+}
+

src/app/item-page/simple/related-items/related-items.component.spec.ts

@@ -10,6 +10,7 @@ import { TranslateModule } from '@ngx-translate/core';
 import { VarDirective } from '../../../shared/utils/var.directive';
 import { of as observableOf } from 'rxjs';
 import { createPaginatedList } from '../../../shared/testing/utils.test';
+import { APP_CONFIG } from '../../../../config/app-config.interface';
 
 const parentItem: Item = Object.assign(new Item(), {
   bundles: createSuccessfulRemoteDataObject$(createPaginatedList([])),
@@ -30,6 +31,18 @@ const mockItems = [mockItem1, mockItem2];
 const relationType = 'isItemOfItem';
 let relationshipService: RelationshipDataService;
 
+const environmentUseThumbs = {
+  browseBy: {
+    showThumbnails: true
+  }
+};
+
+const enviromentNoThumbs = {
+  browseBy: {
+    showThumbnails: false
+  }
+};
+
 describe('RelatedItemsComponent', () => {
   let comp: RelatedItemsComponent;
   let fixture: ComponentFixture<RelatedItemsComponent>;
@@ -45,7 +58,8 @@ describe('RelatedItemsComponent', () => {
       imports: [TranslateModule.forRoot()],
       declarations: [RelatedItemsComponent, VarDirective],
       providers: [
-        { provide: RelationshipDataService, useValue: relationshipService }
+        { provide: RelationshipDataService, useValue: relationshipService },
+        { provide: APP_CONFIG, useValue: environmentUseThumbs }
       ],
       schemas: [NO_ERRORS_SCHEMA]
     }).overrideComponent(RelatedItemsComponent, {
@@ -82,9 +96,11 @@ describe('RelatedItemsComponent', () => {
     it('should call relationship-service\'s getRelatedItemsByLabel with the correct arguments (second page)', () => {
       expect(relationshipService.getRelatedItemsByLabel).toHaveBeenCalledWith(parentItem, relationType, Object.assign(comp.options, {
         elementsPerPage: comp.incrementBy,
-        currentPage: 2
+        currentPage: 2,
+        fetchThumbnail: true
       }));
     });
+
   });
 
   describe('when decrease is called', () => {
@@ -100,3 +116,42 @@ describe('RelatedItemsComponent', () => {
   });
 
 });
+describe('RelatedItemsComponent', () => {
+  let comp: RelatedItemsComponent;
+  let fixture: ComponentFixture<RelatedItemsComponent>;
+
+  beforeEach(waitForAsync(() => {
+    relationshipService = jasmine.createSpyObj('relationshipService',
+      {
+        getRelatedItemsByLabel: createSuccessfulRemoteDataObject$(createPaginatedList(mockItems)),
+      }
+    );
+
+    TestBed.configureTestingModule({
+      imports: [TranslateModule.forRoot()],
+      declarations: [RelatedItemsComponent, VarDirective],
+      providers: [
+        {provide: RelationshipDataService, useValue: relationshipService},
+        {provide: APP_CONFIG, useValue: enviromentNoThumbs}
+      ],
+      schemas: [NO_ERRORS_SCHEMA]
+    }).overrideComponent(RelatedItemsComponent, {
+      set: {changeDetection: ChangeDetectionStrategy.Default}
+    }).compileComponents();
+  }));
+
+  beforeEach(waitForAsync(() => {
+    fixture = TestBed.createComponent(RelatedItemsComponent);
+    comp = fixture.componentInstance;
+    comp.parentItem = parentItem;
+    comp.relationType = relationType;
+    fixture.detectChanges();
+  }));
+  it('should call relationship-service\'s getRelatedItemsByLabel with the correct arguments (second page)', () => {
+    expect(relationshipService.getRelatedItemsByLabel).toHaveBeenCalledWith(parentItem, relationType, Object.assign(comp.options, {
+      elementsPerPage: comp.incrementBy,
+      currentPage: 2,
+      fetchThumbnail: false
+    }));
+  });
+});

src/app/shared/object-collection/object-collection.component.html

@@ -1,4 +1,4 @@
-<ds-object-list [config]="config"
+<ds-object-list [ngClass]="placeholderFontClass" [config]="config"
                 [sortConfig]="sortConfig"
                 [objects]="objects"
                 [hasBorder]="hasBorder"

src/app/shared/object-collection/object-collection.component.scss

@@ -0,0 +1,5 @@
+:host {
+  display:block;
+}
+
+

src/app/shared/object-collection/object-collection.component.spec.ts

@@ -48,5 +48,9 @@ describe('ObjectCollectionComponent', () => {
     expect(fixture.debugElement.query(By.css('ds-object-list'))).toBeDefined();
     expect(fixture.debugElement.query(By.css('ds-object-grid'))).toBeNull();
   });
+  it('should set fallback placeholder font size during test', () => {
+    objectCollectionComponent.currentMode$ = observableOf(ViewMode.ListElement);
+    expect(fixture.debugElement.query(By.css('thumb-font-3'))).toBeDefined();
 
   });
+});

src/app/shared/object-collection/object-collection.component.ts

@@ -1,4 +1,11 @@
-import { ChangeDetectorRef, Component, EventEmitter, Input, OnInit, Output } from '@angular/core';
+import {
+  ChangeDetectorRef,
+  Component, ElementRef,
+  EventEmitter, Inject,
+  Input,
+  OnInit,
+  Output, PLATFORM_ID,
+} from '@angular/core';
 import { ActivatedRoute, Router } from '@angular/router';
 
 import { Observable } from 'rxjs';
@@ -14,6 +21,8 @@ import { ViewMode } from '../../core/shared/view-mode.model';
 import { CollectionElementLinkType } from './collection-element-link.type';
 import { PaginatedList } from '../../core/data/paginated-list.model';
 import { Context } from '../../core/shared/context.model';
+import { setPlaceHolderAttributes } from '../utils/object-list-utils';
+import { isPlatformBrowser } from '@angular/common';
 
 /**
  * Component that can render a list of listable objects in different view modes
@@ -147,14 +156,13 @@ export class ObjectCollectionComponent implements OnInit {
    */
   viewModeEnum = ViewMode;
 
-  ngOnInit(): void {
+  /**
-    this.currentMode$ = this.route
+   * Placeholder class (defined in global-styles)
-      .queryParams
+   */
-      .pipe(
+  placeholderFontClass: string;
-        map((params) => isEmpty(params?.view) ? ViewMode.ListElement : params.view),
+
-        distinctUntilChanged()
+
-      );
+
-  }
 
   /**
    * @param cdRef
@@ -163,11 +171,30 @@ export class ObjectCollectionComponent implements OnInit {
    *    Route is a singleton service provided by Angular.
    * @param router
    *    Router is a singleton service provided by Angular.
+   * @param elementRef
+   *    Used only to read DOM for the element width
    */
   constructor(
     private cdRef: ChangeDetectorRef,
     private route: ActivatedRoute,
-    private router: Router) {
+    private router: Router,
+    private elementRef: ElementRef,
+    @Inject(PLATFORM_ID) private platformId: Object) {
+  }
+
+  ngOnInit(): void {
+    this.currentMode$ = this.route
+      .queryParams
+      .pipe(
+        map((params) => isEmpty(params?.view) ? ViewMode.ListElement : params.view),
+        distinctUntilChanged()
+      );
+    if (isPlatformBrowser(this.platformId)) {
+      const width = this.elementRef.nativeElement.offsetWidth;
+      this.placeholderFontClass = setPlaceHolderAttributes(width);
+    } else {
+      this.placeholderFontClass = 'hide-placeholder-text';
+    }
   }
 
   /**

src/app/shared/object-list/my-dspace-result-list-element/claimed-search-result/claimed-approved-search-result/claimed-approved-search-result-list-element.component.spec.ts

@@ -17,6 +17,8 @@ import { ClaimedApprovedTaskSearchResult } from '../../../../object-collection/s
 import { ClaimedApprovedSearchResultListElementComponent } from './claimed-approved-search-result-list-element.component';
 import { DSONameService } from '../../../../../core/breadcrumbs/dso-name.service';
 import { DSONameServiceMock } from '../../../../mocks/dso-name.service.mock';
+import { APP_CONFIG } from '../../../../../../config/app-config.interface';
+import { environment } from '../../../../../../environments/environment';
 
 let component: ClaimedApprovedSearchResultListElementComponent;
 let fixture: ComponentFixture<ClaimedApprovedSearchResultListElementComponent>;
@@ -67,7 +69,8 @@ describe('ClaimedApprovedSearchResultListElementComponent', () => {
       providers: [
         { provide: TruncatableService, useValue: {} },
         { provide: LinkService, useValue: linkService },
-        { provide: DSONameService, useClass: DSONameServiceMock }
+        { provide: DSONameService, useClass: DSONameServiceMock },
+        { provide: APP_CONFIG, useValue: environment }
       ],
       schemas: [NO_ERRORS_SCHEMA]
     }).overrideComponent(ClaimedApprovedSearchResultListElementComponent, {

src/app/shared/object-list/my-dspace-result-list-element/claimed-search-result/claimed-approved-search-result/claimed-approved-search-result-list-element.component.ts

@@ -1,4 +1,4 @@
-import { Component } from '@angular/core';
+import { Component, Inject } from '@angular/core';
 import { ViewMode } from '../../../../../core/shared/view-mode.model';
 import { ClaimedApprovedTaskSearchResult } from '../../../../object-collection/shared/claimed-approved-task-search-result.model';
 import { listableObjectComponent } from '../../../../object-collection/shared/listable-object/listable-object.decorator';
@@ -13,6 +13,7 @@ import { SearchResultListElementComponent } from '../../../search-result-list-el
 import { ClaimedTaskSearchResult } from '../../../../object-collection/shared/claimed-task-search-result.model';
 import { ClaimedTask } from '../../../../../core/tasks/models/claimed-task-object.model';
 import { DSONameService } from '../../../../../core/breadcrumbs/dso-name.service';
+import { APP_CONFIG, AppConfig } from '../../../../../../config/app-config.interface';
 
 /**
  * This component renders claimed task approved object for the search result in the list view.
@@ -43,9 +44,10 @@ export class ClaimedApprovedSearchResultListElementComponent extends SearchResul
   public constructor(
     protected linkService: LinkService,
     protected truncatableService: TruncatableService,
-    protected dsoNameService: DSONameService
+    protected dsoNameService: DSONameService,
+    @Inject(APP_CONFIG) protected appConfig: AppConfig
   ) {
-    super(truncatableService, dsoNameService);
+    super(truncatableService, dsoNameService, appConfig);
   }
 
   /**

src/app/shared/object-list/my-dspace-result-list-element/claimed-search-result/claimed-declined-search-result/claimed-declided-search-result-list-element.component.spec.ts

@@ -17,6 +17,8 @@ import { LinkService } from '../../../../../core/cache/builders/link.service';
 import { MyDspaceItemStatusType } from '../../../../object-collection/shared/mydspace-item-status/my-dspace-item-status-type';
 import { DSONameService } from '../../../../../core/breadcrumbs/dso-name.service';
 import { DSONameServiceMock } from '../../../../mocks/dso-name.service.mock';
+import { APP_CONFIG } from '../../../../../../config/app-config.interface';
+import { environment } from '../../../../../../environments/environment';
 
 let component: ClaimedDeclinedSearchResultListElementComponent;
 let fixture: ComponentFixture<ClaimedDeclinedSearchResultListElementComponent>;
@@ -67,7 +69,8 @@ describe('ClaimedDeclinedSearchResultListElementComponent', () => {
       providers: [
         { provide: TruncatableService, useValue: {} },
         { provide: LinkService, useValue: linkService },
-        { provide: DSONameService, useClass: DSONameServiceMock }
+        { provide: DSONameService, useClass: DSONameServiceMock },
+        { provide: APP_CONFIG, useValue: environment }
       ],
       schemas: [NO_ERRORS_SCHEMA]
     }).overrideComponent(ClaimedDeclinedSearchResultListElementComponent, {

src/app/shared/object-list/my-dspace-result-list-element/claimed-search-result/claimed-declined-search-result/claimed-declined-search-result-list-element.component.ts

@@ -1,4 +1,4 @@
-import { Component } from '@angular/core';
+import { Component, Inject } from '@angular/core';
 
 import { listableObjectComponent } from '../../../../object-collection/shared/listable-object/listable-object.decorator';
 import { ClaimedDeclinedTaskSearchResult } from '../../../../object-collection/shared/claimed-declined-task-search-result.model';
@@ -14,6 +14,7 @@ import { SearchResultListElementComponent } from '../../../search-result-list-el
 import { ClaimedTaskSearchResult } from '../../../../object-collection/shared/claimed-task-search-result.model';
 import { ClaimedTask } from '../../../../../core/tasks/models/claimed-task-object.model';
 import { DSONameService } from '../../../../../core/breadcrumbs/dso-name.service';
+import { APP_CONFIG, AppConfig } from '../../../../../../config/app-config.interface';
 
 /**
  * This component renders claimed task declined object for the search result in the list view.
@@ -44,9 +45,10 @@ export class ClaimedDeclinedSearchResultListElementComponent extends SearchResul
   public constructor(
     protected linkService: LinkService,
     protected truncatableService: TruncatableService,
-    protected dsoNameService: DSONameService
+    protected dsoNameService: DSONameService,
+    @Inject(APP_CONFIG) protected appConfig: AppConfig
   ) {
-    super(truncatableService, dsoNameService);
+    super(truncatableService, dsoNameService, appConfig);
   }
 
   /**

src/app/shared/object-list/my-dspace-result-list-element/claimed-search-result/claimed-search-result-list-element.component.spec.ts

@@ -18,6 +18,8 @@ import { getMockLinkService } from '../../../mocks/link-service.mock';
 import { By } from '@angular/platform-browser';
 import { DSONameService } from '../../../../core/breadcrumbs/dso-name.service';
 import { DSONameServiceMock } from '../../../mocks/dso-name.service.mock';
+import { APP_CONFIG } from '../../../../../config/app-config.interface';
+import { environment } from '../../../../../environments/environment';
 
 let component: ClaimedSearchResultListElementComponent;
 let fixture: ComponentFixture<ClaimedSearchResultListElementComponent>;
@@ -68,7 +70,8 @@ describe('ClaimedSearchResultListElementComponent', () => {
       providers: [
         { provide: TruncatableService, useValue: {} },
         { provide: LinkService, useValue: linkService },
-        { provide: DSONameService, useClass: DSONameServiceMock }
+        { provide: DSONameService, useClass: DSONameServiceMock },
+        { provide: APP_CONFIG, useValue: environment }
       ],
       schemas: [NO_ERRORS_SCHEMA]
     }).overrideComponent(ClaimedSearchResultListElementComponent, {

src/app/shared/object-list/my-dspace-result-list-element/claimed-search-result/claimed-search-result-list-element.component.ts

@@ -1,4 +1,4 @@
-import { Component } from '@angular/core';
+import { Component, Inject } from '@angular/core';
 
 import { ViewMode } from '../../../../core/shared/view-mode.model';
 import { listableObjectComponent } from '../../../object-collection/shared/listable-object/listable-object.decorator';
@@ -13,6 +13,7 @@ import { followLink } from '../../../utils/follow-link-config.model';
 import { SearchResultListElementComponent } from '../../search-result-list-element/search-result-list-element.component';
 import { ClaimedTask } from '../../../../core/tasks/models/claimed-task-object.model';
 import { DSONameService } from '../../../../core/breadcrumbs/dso-name.service';
+import { APP_CONFIG, AppConfig } from '../../../../../config/app-config.interface';
 
 @Component({
   selector: 'ds-claimed-search-result-list-element',
@@ -40,9 +41,10 @@ export class ClaimedSearchResultListElementComponent extends SearchResultListEle
   public constructor(
     protected linkService: LinkService,
     protected truncatableService: TruncatableService,
-    protected dsoNameService: DSONameService
+    protected dsoNameService: DSONameService,
+    @Inject(APP_CONFIG) protected appConfig: AppConfig
   ) {
-    super(truncatableService, dsoNameService);
+    super(truncatableService, dsoNameService, appConfig);
   }
 
   /**

src/app/shared/object-list/my-dspace-result-list-element/item-list-preview/item-list-preview.component.html

@@ -1,3 +1,9 @@
+<div class="row">
+  <div *ngIf="showThumbnails" class="col-3 col-md-2">
+    <ds-thumbnail [thumbnail]="item?.thumbnail | async" [limitWidth]="true">
+    </ds-thumbnail>
+  </div>
+  <div [ngClass]="showThumbnails ? 'col-9' : 'col-md-12'">
     <div *ngIf="item" @fadeInOut>
       <ng-container *ngIf="status">
         <ds-mydspace-item-status [status]="status"></ds-mydspace-item-status>
@@ -7,17 +13,21 @@
         <ds-access-status-badge [item]="item" class="pl-1"></ds-access-status-badge>
       </div>
       <ds-truncatable [id]="item.id">
-    <h3 [innerHTML]="item.firstMetadataValue('dc.title') || ('mydspace.results.no-title' | translate)" [ngClass]="{'lead': true,'text-muted': !item.firstMetadataValue('dc.title')}"></h3>
+        <h3 [innerHTML]="item.firstMetadataValue('dc.title') || ('mydspace.results.no-title' | translate)"
+            [ngClass]="{'lead': true,'text-muted': !item.firstMetadataValue('dc.title')}"></h3>
         <div>
       <span class="text-muted">
         <ds-truncatable-part [id]="item.id" [minLines]="1">
           (<span *ngIf="item.hasMetadata('dc.publisher')" class="item-list-publisher"
                  [innerHTML]="item.firstMetadataValue('dc.publisher') + ', '"></span>
-          <span class="item-list-date" [innerHTML]="item.firstMetadataValue('dc.date.issued') || ('mydspace.results.no-date' | translate)"></span>)
+          <span class="item-list-date"
+                [innerHTML]="item.firstMetadataValue('dc.date.issued') || ('mydspace.results.no-date' | translate)"></span>)
           <span *ngIf="item.hasMetadata(['dc.contributor.author', 'dc.creator', 'dc.contributor.*']);"
                 class="item-list-authors">
-              <span *ngIf="item.allMetadataValues(['dc.contributor.author', 'dc.creator', 'dc.contributor.*']).length === 0">{{'mydspace.results.no-authors' | translate}}</span>
+              <span
-              <span *ngFor="let author of item.allMetadataValues(['dc.contributor.author', 'dc.creator', 'dc.contributor.*']); let last=last;">
+                *ngIf="item.allMetadataValues(['dc.contributor.author', 'dc.creator', 'dc.contributor.*']).length === 0">{{'mydspace.results.no-authors' | translate}}</span>
+              <span
+                *ngFor="let author of item.allMetadataValues(['dc.contributor.author', 'dc.creator', 'dc.contributor.*']); let last=last;">
                 <span [innerHTML]="author"><span [innerHTML]="author"></span></span>
                 <span *ngIf="!last">; </span>
               </span>
@@ -35,3 +45,5 @@
       </ds-truncatable>
       <ds-item-submitter *ngIf="showSubmitter" [object]="object.indexableObject"></ds-item-submitter>
     </div>
+  </div>
+</div>

src/app/shared/object-list/my-dspace-result-list-element/item-list-preview/item-list-preview.component.spec.ts

@@ -10,6 +10,7 @@ import { ItemListPreviewComponent } from './item-list-preview.component';
 import { TranslateLoader, TranslateModule } from '@ngx-translate/core';
 import { TranslateLoaderMock } from '../../../mocks/translate-loader.mock';
 import { NoopAnimationsModule } from '@angular/platform-browser/animations';
+import { APP_CONFIG } from '../../../../../config/app-config.interface';
 
 let component: ItemListPreviewComponent;
 let fixture: ComponentFixture<ItemListPreviewComponent>;
@@ -66,6 +67,18 @@ const mockItemWithEntityType: Item = Object.assign(new Item(), {
   }
 });
 
+const environmentUseThumbs = {
+  browseBy: {
+    showThumbnails: true
+  }
+};
+
+const enviromentNoThumbs = {
+  browseBy: {
+    showThumbnails: false
+  }
+};
+
 describe('ItemListPreviewComponent', () => {
   beforeEach(waitForAsync(() => {
     TestBed.configureTestingModule({
@@ -80,8 +93,8 @@ describe('ItemListPreviewComponent', () => {
       ],
       declarations: [ItemListPreviewComponent, TruncatePipe],
       providers: [
-        { provide: 'objectElementProvider', useValue: { mockItemWithAuthorAndDate } }
+        { provide: 'objectElementProvider', useValue: { mockItemWithAuthorAndDate }},
-
+        { provide: APP_CONFIG, useValue: environmentUseThumbs }
       ],
 
       schemas: [NO_ERRORS_SCHEMA]
@@ -100,6 +113,17 @@ describe('ItemListPreviewComponent', () => {
     component.object = { hitHighlights: {} } as any;
   });
 
+  describe('When showThumbnails is true', () => {
+    beforeEach(() => {
+      component.item = mockItemWithAuthorAndDate;
+      fixture.detectChanges();
+    });
+    it('should add the ds-thumbnail element', () => {
+      const thumbnail = fixture.debugElement.query(By.css('ds-thumbnail'));
+      expect(thumbnail).toBeTruthy();
+    });
+  });
+
   describe('When the item has an author', () => {
     beforeEach(() => {
       component.item = mockItemWithAuthorAndDate;
@@ -160,3 +184,48 @@ describe('ItemListPreviewComponent', () => {
     });
   });
 });
+
+describe('ItemListPreviewComponent', () => {
+  beforeEach(waitForAsync(() => {
+    TestBed.configureTestingModule({
+      imports: [
+        TranslateModule.forRoot({
+          loader: {
+            provide: TranslateLoader,
+            useClass: TranslateLoaderMock
+          }
+        }),
+        NoopAnimationsModule
+      ],
+      declarations: [ItemListPreviewComponent, TruncatePipe],
+      providers: [
+        {provide: 'objectElementProvider', useValue: {mockItemWithAuthorAndDate}},
+        {provide: APP_CONFIG, useValue: enviromentNoThumbs}
+      ],
+
+      schemas: [NO_ERRORS_SCHEMA]
+    }).overrideComponent(ItemListPreviewComponent, {
+      set: {changeDetection: ChangeDetectionStrategy.Default}
+    }).compileComponents();
+  }));
+  beforeEach(waitForAsync(() => {
+    fixture = TestBed.createComponent(ItemListPreviewComponent);
+    component = fixture.componentInstance;
+
+  }));
+
+  beforeEach(() => {
+    component.object = { hitHighlights: {} } as any;
+  });
+
+  describe('When showThumbnails is true', () => {
+    beforeEach(() => {
+      component.item = mockItemWithAuthorAndDate;
+      fixture.detectChanges();
+    });
+    it('should add the ds-thumbnail element', () => {
+      const thumbnail = fixture.debugElement.query(By.css('ds-thumbnail'));
+      expect(thumbnail).toBeFalsy();
+    });
+  });
+});

src/app/shared/object-list/my-dspace-result-list-element/item-list-preview/item-list-preview.component.ts

@@ -1,9 +1,10 @@
-import { Component, Input } from '@angular/core';
+import { Component, Inject, Input, OnInit } from '@angular/core';
 
 import { Item } from '../../../../core/shared/item.model';
 import { fadeInOut } from '../../../animations/fade';
 import { MyDspaceItemStatusType } from '../../../object-collection/shared/mydspace-item-status/my-dspace-item-status-type';
 import { SearchResult } from '../../../search/models/search-result.model';
+import { APP_CONFIG, AppConfig } from '../../../../../config/app-config.interface';
 
 /**
  * This component show metadata for the given item object in the list view.
@@ -14,7 +15,7 @@ import { SearchResult } from '../../../search/models/search-result.model';
   templateUrl: 'item-list-preview.component.html',
   animations: [fadeInOut]
 })
-export class ItemListPreviewComponent {
+export class ItemListPreviewComponent implements OnInit{
 
   /**
    * The item to display
@@ -35,4 +36,17 @@ export class ItemListPreviewComponent {
    * A boolean representing if to show submitter information
    */
   @Input() showSubmitter = false;
+
+
+  /**
+   * Display thumbnails if required by configuration
+   */
+  showThumbnails: boolean;
+
+  constructor(@Inject(APP_CONFIG) protected appConfig: AppConfig) {
+  }
+
+  ngOnInit(): void {
+    this.showThumbnails = this.appConfig.browseBy.showThumbnails;
+  }
 }

src/app/shared/object-list/my-dspace-result-list-element/item-list-preview/themed-item-list-preview.component.ts

@@ -24,6 +24,7 @@ export class ThemedItemListPreviewComponent extends ThemedComponent<ItemListPrev
 
   @Input() showSubmitter = false;
 
+
   protected getComponentName(): string {
     return 'ItemListPreviewComponent';
   }

src/app/shared/object-list/my-dspace-result-list-element/item-search-result/item-search-result-list-element-submission.component.html

@@ -2,4 +2,9 @@
                       [object]="object"
                       [status]="status"></ds-themed-item-list-preview>
 
+<div class="row">
+  <div [ngClass]="showThumbnails ? 'offset-3 offset-md-2 pl-3' : ''">
     <ds-item-actions [object]="dso" (processCompleted)="reloadedObject.emit($event.reloadedObject)"></ds-item-actions>
+  </div>
+</div>
+

src/app/shared/object-list/my-dspace-result-list-element/item-search-result/item-search-result-list-element-submission.component.spec.ts

@@ -12,6 +12,8 @@ import { TruncatableService } from '../../../truncatable/truncatable.service';
 import { By } from '@angular/platform-browser';
 import { DSONameService } from '../../../../core/breadcrumbs/dso-name.service';
 import { DSONameServiceMock } from '../../../mocks/dso-name.service.mock';
+import { APP_CONFIG } from '../../../../../config/app-config.interface';
+import { environment } from '../../../../../environments/environment';
 
 let component: ItemSearchResultListElementSubmissionComponent;
 let fixture: ComponentFixture<ItemSearchResultListElementSubmissionComponent>;
@@ -56,7 +58,8 @@ describe('ItemMyDSpaceResultListElementComponent', () => {
       declarations: [ItemSearchResultListElementSubmissionComponent],
       providers: [
         { provide: TruncatableService, useValue: {} },
-        { provide: DSONameService, useClass: DSONameServiceMock }
+        { provide: DSONameService, useClass: DSONameServiceMock },
+        { provide: APP_CONFIG, useValue: environment }
       ],
       schemas: [NO_ERRORS_SCHEMA]
     }).overrideComponent(ItemSearchResultListElementSubmissionComponent, {

src/app/shared/object-list/my-dspace-result-list-element/item-search-result/item-search-result-list-element-submission.component.ts

@@ -25,7 +25,13 @@ export class ItemSearchResultListElementSubmissionComponent extends SearchResult
    */
   public status = MyDspaceItemStatusType.ARCHIVED;
 
+  /**
+   * Display thumbnails if required by configuration
+   */
+  showThumbnails: boolean;
+
   ngOnInit() {
     super.ngOnInit();
+    this.showThumbnails = this.appConfig.browseBy.showThumbnails;
   }
 }

src/app/shared/object-list/my-dspace-result-list-element/pool-search-result/pool-search-result-list-element.component.html

@@ -4,5 +4,10 @@
                         [object]="object"
                         [showSubmitter]="showSubmitter"
                         [status]="status"></ds-themed-item-list-preview>
-  <ds-pool-task-actions id="actions" *ngIf="workflowitem" [object]="dso" (processCompleted)="this.reloadedObject.emit($event.reloadedObject)"></ds-pool-task-actions>
+  <div class="row">
+    <div [ngClass]="showThumbnails ? 'offset-3 offset-md-2 pl-3' : ''">
+      <ds-pool-task-actions id="actions" *ngIf="workflowitem" [object]="dso"
+                            (processCompleted)="this.reloadedObject.emit($event.reloadedObject)"></ds-pool-task-actions>
+    </div>
+  </div>
 </ng-container>

src/app/shared/object-list/my-dspace-result-list-element/pool-search-result/pool-search-result-list-element.component.spec.ts

@@ -18,6 +18,7 @@ import { getMockLinkService } from '../../../mocks/link-service.mock';
 import { By } from '@angular/platform-browser';
 import { DSONameService } from '../../../../core/breadcrumbs/dso-name.service';
 import { DSONameServiceMock } from '../../../mocks/dso-name.service.mock';
+import { APP_CONFIG } from '../../../../../config/app-config.interface';
 
 let component: PoolSearchResultListElementComponent;
 let fixture: ComponentFixture<PoolSearchResultListElementComponent>;
@@ -54,6 +55,13 @@ const item = Object.assign(new Item(), {
     ]
   }
 });
+
+const environmentUseThumbs = {
+  browseBy: {
+    showThumbnails: true
+  }
+};
+
 const rdItem = createSuccessfulRemoteDataObject(item);
 const workflowitem = Object.assign(new WorkflowItem(), { item: observableOf(rdItem) });
 const rdWorkflowitem = createSuccessfulRemoteDataObject(workflowitem);
@@ -68,7 +76,8 @@ describe('PoolSearchResultListElementComponent', () => {
       providers: [
         { provide: TruncatableService, useValue: {} },
         { provide: LinkService, useValue: linkService },
-        { provide: DSONameService, useClass: DSONameServiceMock }
+        { provide: DSONameService, useClass: DSONameServiceMock },
+        { provide: APP_CONFIG, useValue: environmentUseThumbs }
       ],
       schemas: [NO_ERRORS_SCHEMA]
     }).overrideComponent(PoolSearchResultListElementComponent, {
@@ -112,4 +121,9 @@ describe('PoolSearchResultListElementComponent', () => {
     expect(component.reloadedObject.emit).toHaveBeenCalledWith(actionPayload.reloadedObject);
 
   }));
+
+  it('should add an offset to the actions element', () => {
+    const thumbnail = fixture.debugElement.query(By.css('.offset-3'));
+    expect(thumbnail).toBeTruthy();
+  });
 });

src/app/shared/object-list/my-dspace-result-list-element/pool-search-result/pool-search-result-list-element.component.ts

@@ -1,4 +1,4 @@
-import { Component, OnInit } from '@angular/core';
+import { Component, Inject, OnInit } from '@angular/core';
 
 import { Observable } from 'rxjs';
 
@@ -14,6 +14,7 @@ import { TruncatableService } from '../../../truncatable/truncatable.service';
 import { followLink } from '../../../utils/follow-link-config.model';
 import { LinkService } from '../../../../core/cache/builders/link.service';
 import { DSONameService } from '../../../../core/breadcrumbs/dso-name.service';
+import { APP_CONFIG, AppConfig } from '../../../../../config/app-config.interface';
 
 /**
  * This component renders pool task object for the search result in the list view.
@@ -47,12 +48,18 @@ export class PoolSearchResultListElementComponent extends SearchResultListElemen
    */
   public index: number;
 
+  /**
+   * Display thumbnails if required by configuration
+   */
+  showThumbnails: boolean;
+
   constructor(
     protected linkService: LinkService,
     protected truncatableService: TruncatableService,
-    protected dsoNameService: DSONameService
+    protected dsoNameService: DSONameService,
+    @Inject(APP_CONFIG) protected appConfig: AppConfig
   ) {
-    super(truncatableService, dsoNameService);
+    super(truncatableService, dsoNameService, appConfig);
   }
 
   /**
@@ -64,6 +71,7 @@ export class PoolSearchResultListElementComponent extends SearchResultListElemen
       followLink('item'), followLink('submitter')
     ), followLink('action'));
     this.workflowitemRD$ = this.dso.workflowitem as Observable<RemoteData<WorkflowItem>>;
+    this.showThumbnails = this.appConfig.browseBy.showThumbnails;
   }
 
 }

src/app/shared/object-list/my-dspace-result-list-element/workflow-item-search-result/workflow-item-search-result-list-element.component.html

@@ -3,9 +3,13 @@
     [item]="item$ | async"
     [object]="object"
     [status]="status"></ds-themed-item-list-preview>
-
+  <div class="row">
+    <div [ngClass]="showThumbnails ? 'offset-3 offset-md-2  pl-3' : ''">
       <ds-workflowitem-actions [object]="dso" (processCompleted)="reloadedObject.emit($event.reloadedObject)"></ds-workflowitem-actions>
+    </div>
+  </div>
 </ng-container>
+
 <ds-themed-loading
   *ngIf="!(item$ | async)"
   [showMessage]="false"></ds-themed-loading>

src/app/shared/object-list/my-dspace-result-list-element/workflow-item-search-result/workflow-item-search-result-list-element.component.spec.ts

@@ -18,6 +18,7 @@ import { WorkflowItemSearchResultListElementComponent } from './workflow-item-se
 import { By } from '@angular/platform-browser';
 import { DSONameService } from '../../../../core/breadcrumbs/dso-name.service';
 import { DSONameServiceMock } from '../../../mocks/dso-name.service.mock';
+import { APP_CONFIG } from '../../../../../config/app-config.interface';
 
 let component: WorkflowItemSearchResultListElementComponent;
 let fixture: ComponentFixture<WorkflowItemSearchResultListElementComponent>;
@@ -54,6 +55,13 @@ const item = Object.assign(new Item(), {
     ]
   }
 });
+
+const environmentUseThumbs = {
+  browseBy: {
+    showThumbnails: true
+  }
+};
+
 const rd = createSuccessfulRemoteDataObject(item);
 mockResultObject.indexableObject = Object.assign(new WorkflowItem(), { item: observableOf(rd) });
 
@@ -69,7 +77,8 @@ describe('WorkflowItemSearchResultListElementComponent', () => {
         { provide: TruncatableService, useValue: {} },
         { provide: ItemDataService, useValue: {} },
         { provide: LinkService, useValue: linkService },
-        { provide: DSONameService, useClass: DSONameServiceMock }
+        { provide: DSONameService, useClass: DSONameServiceMock },
+        { provide: APP_CONFIG, useValue: environmentUseThumbs }
       ],
       schemas: [NO_ERRORS_SCHEMA]
     }).overrideComponent(WorkflowItemSearchResultListElementComponent, {
@@ -110,4 +119,10 @@ describe('WorkflowItemSearchResultListElementComponent', () => {
     expect(component.reloadedObject.emit).toHaveBeenCalledWith(actionPayload.reloadedObject);
 
   }));
+
+  it('should add an offset to the actions element', () => {
+    const thumbnail = fixture.debugElement.query(By.css('.offset-3'));
+    expect(thumbnail).toBeTruthy();
+  });
+
 });

src/app/shared/object-list/my-dspace-result-list-element/workflow-item-search-result/workflow-item-search-result-list-element.component.ts

@@ -1,4 +1,4 @@
-import { Component } from '@angular/core';
+import { Component, Inject } from '@angular/core';
 
 import { Observable } from 'rxjs';
 import { find, map } from 'rxjs/operators';
@@ -16,6 +16,7 @@ import { TruncatableService } from '../../../truncatable/truncatable.service';
 import { followLink } from '../../../utils/follow-link-config.model';
 import { SearchResultListElementComponent } from '../../search-result-list-element/search-result-list-element.component';
 import { DSONameService } from '../../../../core/breadcrumbs/dso-name.service';
+import { APP_CONFIG, AppConfig } from '../../../../../config/app-config.interface';
 
 /**
  * This component renders workflowitem object for the search result in the list view.
@@ -39,12 +40,18 @@ export class WorkflowItemSearchResultListElementComponent extends SearchResultLi
    */
   public status = MyDspaceItemStatusType.WORKFLOW;
 
+  /**
+   * Display thumbnails if required by configuration
+   */
+  showThumbnails: boolean;
+
   constructor(
     protected truncatableService: TruncatableService,
     protected linkService: LinkService,
-    protected dsoNameService: DSONameService
+    protected dsoNameService: DSONameService,
+    @Inject(APP_CONFIG) protected appConfig: AppConfig
   ) {
-    super(truncatableService, dsoNameService);
+    super(truncatableService, dsoNameService, appConfig);
   }
 
   /**
@@ -54,6 +61,7 @@ export class WorkflowItemSearchResultListElementComponent extends SearchResultLi
     super.ngOnInit();
     this.linkService.resolveLink(this.dso, followLink('item'));
     this.initItem(this.dso.item as Observable<RemoteData<Item>> );
+    this.showThumbnails = this.appConfig.browseBy.showThumbnails;
   }
 
   /**

src/app/shared/object-list/my-dspace-result-list-element/workspace-item-search-result/workspace-item-search-result-list-element.component.html

@@ -4,7 +4,11 @@
     [object]="object"
     [status]="status"></ds-themed-item-list-preview>
 
+  <div class="row">
+    <div [ngClass]="showThumbnails ? 'offset-3 offset-md-2  pl-3' : ''">
       <ds-workspaceitem-actions [object]="dso" (processCompleted)="reloadedObject.emit($event.reloadedObject)"></ds-workspaceitem-actions>
+    </div>
+  </div>
 </ng-container>
 <ds-themed-loading
   *ngIf="!(item$ | async)"

src/app/shared/object-list/my-dspace-result-list-element/workspace-item-search-result/workspace-item-search-result-list-element.component.spec.ts

@@ -18,6 +18,7 @@ import { WorkspaceItemSearchResultListElementComponent } from './workspace-item-
 import { By } from '@angular/platform-browser';
 import { DSONameService } from '../../../../core/breadcrumbs/dso-name.service';
 import { DSONameServiceMock } from '../../../mocks/dso-name.service.mock';
+import { APP_CONFIG } from '../../../../../config/app-config.interface';
 
 let component: WorkspaceItemSearchResultListElementComponent;
 let fixture: ComponentFixture<WorkspaceItemSearchResultListElementComponent>;
@@ -54,6 +55,13 @@ const item = Object.assign(new Item(), {
     ]
   }
 });
+
+const environmentUseThumbs = {
+  browseBy: {
+    showThumbnails: true
+  }
+};
+
 const rd = createSuccessfulRemoteDataObject(item);
 mockResultObject.indexableObject = Object.assign(new WorkspaceItem(), { item: observableOf(rd) });
 let linkService;
@@ -68,7 +76,8 @@ describe('WorkspaceItemSearchResultListElementComponent', () => {
         { provide: TruncatableService, useValue: {} },
         { provide: ItemDataService, useValue: {} },
         { provide: LinkService, useValue: linkService },
-        { provide: DSONameService, useClass: DSONameServiceMock }
+        { provide: DSONameService, useClass: DSONameServiceMock },
+        { provide: APP_CONFIG, useValue: environmentUseThumbs }
       ],
       schemas: [NO_ERRORS_SCHEMA]
     }).overrideComponent(WorkspaceItemSearchResultListElementComponent, {
@@ -110,4 +119,10 @@ describe('WorkspaceItemSearchResultListElementComponent', () => {
     expect(component.reloadedObject.emit).toHaveBeenCalledWith(actionPayload.reloadedObject);
 
   }));
+
+
+  it('should add an offset to the actions element', () => {
+    const thumbnail = fixture.debugElement.query(By.css('.offset-3'));
+    expect(thumbnail).toBeTruthy();
+  });
 });

src/app/shared/object-list/my-dspace-result-list-element/workspace-item-search-result/workspace-item-search-result-list-element.component.ts

@@ -1,4 +1,4 @@
-import { Component } from '@angular/core';
+import { Component, Inject } from '@angular/core';
 
 import { Observable } from 'rxjs';
 import { find, map } from 'rxjs/operators';
@@ -16,6 +16,7 @@ import { TruncatableService } from '../../../truncatable/truncatable.service';
 import { followLink } from '../../../utils/follow-link-config.model';
 import { SearchResultListElementComponent } from '../../search-result-list-element/search-result-list-element.component';
 import { DSONameService } from '../../../../core/breadcrumbs/dso-name.service';
+import { APP_CONFIG, AppConfig } from '../../../../../config/app-config.interface';
 
 /**
  * This component renders workspaceitem object for the search result in the list view.
@@ -39,12 +40,18 @@ export class WorkspaceItemSearchResultListElementComponent extends SearchResultL
    */
   status = MyDspaceItemStatusType.WORKSPACE;
 
+  /**
+   * Display thumbnails if required by configuration
+   */
+  showThumbnails: boolean;
+
   constructor(
     protected truncatableService: TruncatableService,
     protected linkService: LinkService,
-    protected dsoNameService: DSONameService
+    protected dsoNameService: DSONameService,
+    @Inject(APP_CONFIG) protected appConfig: AppConfig
   ) {
-    super(truncatableService, dsoNameService);
+    super(truncatableService, dsoNameService, appConfig);
   }
 
   /**
@@ -54,6 +61,7 @@ export class WorkspaceItemSearchResultListElementComponent extends SearchResultL
     super.ngOnInit();
     this.linkService.resolveLink(this.dso, followLink('item'));
     this.initItem(this.dso.item as Observable<RemoteData<Item>>);
+    this.showThumbnails = this.appConfig.browseBy.showThumbnails;
   }
 
   /**

src/app/shared/object-list/search-result-list-element/collection-search-result/collection-search-result-list-element.component.html

@@ -1,4 +1,9 @@
+<div class="row">
+  <div *ngIf="showThumbnails" class="offset-3 offset-md-2 "></div>
+  <div [ngClass]="showThumbnails ? 'col-9' : 'col-md-12'">
     <ds-type-badge *ngIf="showLabel" [object]="dso"></ds-type-badge>
     <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer" [routerLink]="['/collections/' + dso.id]" class="lead" [innerHTML]="dsoTitle"></a>
     <span *ngIf="linkType == linkTypes.None" class="lead" [innerHTML]="dsoTitle"></span>
     <div *ngIf="dso.shortDescription" class="text-muted abstract-text" [innerHTML]="firstMetadataValue('dc.description.abstract')"></div>
+  </div>
+</div>

src/app/shared/object-list/search-result-list-element/collection-search-result/collection-search-result-list-element.component.spec.ts

@@ -9,6 +9,7 @@ import { TruncatableService } from '../../../truncatable/truncatable.service';
 import { CollectionSearchResult } from '../../../object-collection/shared/collection-search-result.model';
 import { DSONameService } from '../../../../core/breadcrumbs/dso-name.service';
 import { DSONameServiceMock } from '../../../mocks/dso-name.service.mock';
+import { APP_CONFIG } from '../../../../../config/app-config.interface';
 
 let collectionSearchResultListElementComponent: CollectionSearchResultListElementComponent;
 let fixture: ComponentFixture<CollectionSearchResultListElementComponent>;
@@ -43,13 +44,20 @@ mockCollectionWithoutAbstract.indexableObject = Object.assign(new Collection(),
   }
 });
 
+const environmentUseThumbs = {
+  browseBy: {
+    showThumbnails: true
+  }
+};
+
 describe('CollectionSearchResultListElementComponent', () => {
   beforeEach(waitForAsync(() => {
     TestBed.configureTestingModule({
       declarations: [CollectionSearchResultListElementComponent, TruncatePipe],
       providers: [
         { provide: TruncatableService, useValue: truncatableServiceStub },
-        { provide: DSONameService, useClass: DSONameServiceMock }
+        { provide: DSONameService, useClass: DSONameServiceMock },
+        { provide: APP_CONFIG, useValue: environmentUseThumbs }
       ],
       schemas: [NO_ERRORS_SCHEMA]
     }).overrideComponent(CollectionSearchResultListElementComponent, {
@@ -87,4 +95,11 @@ describe('CollectionSearchResultListElementComponent', () => {
       expect(collectionAbstractField).toBeNull();
     });
   });
+
+  describe('when environment is set to show thumbnail images', () => {
+    it('should offset content', () => {
+      const offset = fixture.debugElement.query(By.css('offset-md-2'));
+    });
+  });
+
 });

src/app/shared/object-list/search-result-list-element/collection-search-result/collection-search-result-list-element.component.ts

@@ -14,4 +14,16 @@ import { listableObjectComponent } from '../../../object-collection/shared/lista
  * Component representing a collection search result in list view
  */
 @listableObjectComponent(CollectionSearchResult, ViewMode.ListElement)
-export class CollectionSearchResultListElementComponent extends SearchResultListElementComponent<CollectionSearchResult, Collection> {}
+export class CollectionSearchResultListElementComponent extends SearchResultListElementComponent<CollectionSearchResult, Collection> {
+
+  /**
+   * Display thumbnails if required by configuration
+   */
+  showThumbnails: boolean;
+
+  ngOnInit(): void {
+    super.ngOnInit();
+    this.showThumbnails = this.appConfig.browseBy.showThumbnails;
+  }
+
+}

src/app/shared/object-list/search-result-list-element/community-search-result/community-search-result-list-element.component.html

@@ -1,4 +1,9 @@
+<div class="row">
+  <div *ngIf="showThumbnails" class="offset-md-2"></div>
+  <div [ngClass]="showThumbnails ? 'col-9' : 'col-md-12'">
     <ds-type-badge *ngIf="showLabel" [object]="dso"></ds-type-badge>
     <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer"  [routerLink]="['/communities/' + dso.id]" class="lead" [innerHTML]="dsoTitle"></a>
     <span *ngIf="linkType == linkTypes.None" class="lead" [innerHTML]="dsoTitle"></span>
     <div *ngIf="dso.shortDescription" class="text-muted abstract-text" [innerHTML]="firstMetadataValue('dc.description.abstract')"></div>
+  </div>
+</div>

src/app/shared/object-list/search-result-list-element/community-search-result/community-search-result-list-element.component.spec.ts

@@ -9,6 +9,7 @@ import { TruncatableService } from '../../../truncatable/truncatable.service';
 import { CommunitySearchResult } from '../../../object-collection/shared/community-search-result.model';
 import { DSONameService } from '../../../../core/breadcrumbs/dso-name.service';
 import { DSONameServiceMock } from '../../../mocks/dso-name.service.mock';
+import { APP_CONFIG } from '../../../../../config/app-config.interface';
 
 let communitySearchResultListElementComponent: CommunitySearchResultListElementComponent;
 let fixture: ComponentFixture<CommunitySearchResultListElementComponent>;
@@ -43,13 +44,20 @@ mockCommunityWithoutAbstract.indexableObject = Object.assign(new Community(), {
   }
 });
 
+const environmentUseThumbs = {
+  browseBy: {
+    showThumbnails: true
+  }
+};
+
 describe('CommunitySearchResultListElementComponent', () => {
   beforeEach(waitForAsync(() => {
     TestBed.configureTestingModule({
       declarations: [CommunitySearchResultListElementComponent, TruncatePipe],
       providers: [
         { provide: TruncatableService, useValue: truncatableServiceStub },
-        { provide: DSONameService, useClass: DSONameServiceMock }
+        { provide: DSONameService, useClass: DSONameServiceMock },
+        { provide: APP_CONFIG, useValue: environmentUseThumbs }
       ],
 
       schemas: [NO_ERRORS_SCHEMA]
@@ -88,4 +96,10 @@ describe('CommunitySearchResultListElementComponent', () => {
       expect(communityAbstractField).toBeNull();
     });
   });
+
+  describe('when environment is set to show thumbnail images', () => {
+    it('should offset content', () => {
+      const offset = fixture.debugElement.query(By.css('offset-md-2'));
+    });
+  });
 });

src/app/shared/object-list/search-result-list-element/community-search-result/community-search-result-list-element.component.ts

@@ -15,5 +15,14 @@ import { listableObjectComponent } from '../../../object-collection/shared/lista
  */
 @listableObjectComponent(CommunitySearchResult, ViewMode.ListElement)
 export class CommunitySearchResultListElementComponent extends SearchResultListElementComponent<CommunitySearchResult, Community> {
+  /**
+   * Display thumbnails if required by configuration
+   */
+  showThumbnails: boolean;
 
+
+  ngOnInit(): void {
+    super.ngOnInit();
+    this.showThumbnails = this.appConfig.browseBy.showThumbnails;
+  }
 }

src/app/shared/object-list/search-result-list-element/item-search-result/item-types/item/item-search-result-list-element.component.html

@@ -1,3 +1,12 @@
+<div class="row">
+  <div *ngIf="showThumbnails" class="col-3 col-md-2">
+    <a *ngIf="linkType != linkTypes.None" [target]="(linkType == linkTypes.ExternalLink) ? '_blank' : '_self'" rel="noopener noreferrer"
+       [routerLink]="[itemPageRoute]" class="dont-break-out">
+    <ds-thumbnail [thumbnail]="dso?.thumbnail | async" [limitWidth]="true">
+    </ds-thumbnail>
+    </a>
+  </div>
+  <div [ngClass]="showThumbnails ? 'col-9' : 'col-md-12'">
     <div class="d-flex">
       <ds-type-badge *ngIf="showLabel" [object]="dso"></ds-type-badge>
       <ds-access-status-badge [item]="dso" class="pl-1"></ds-access-status-badge>
@@ -29,3 +38,5 @@
         </ds-truncatable-part>
       </div>
     </ds-truncatable>
+  </div>
+</div>

src/app/shared/object-list/search-result-list-element/item-search-result/item-types/item/item-search-result-list-element.component.spec.ts

@@ -9,6 +9,7 @@ import { TruncatableService } from '../../../../../truncatable/truncatable.servi
 import { ItemSearchResult } from '../../../../../object-collection/shared/item-search-result.model';
 import { DSONameService } from '../../../../../../core/breadcrumbs/dso-name.service';
 import { DSONameServiceMock, UNDEFINED_NAME } from '../../../../../mocks/dso-name.service.mock';
+import { APP_CONFIG } from '../../../../../../../config/app-config.interface';
 
 let publicationListElementComponent: ItemSearchResultListElementComponent;
 let fixture: ComponentFixture<ItemSearchResultListElementComponent>;
@@ -59,14 +60,26 @@ const mockItemWithoutMetadata: ItemSearchResult = Object.assign(new ItemSearchRe
     })
 });
 
+const environmentUseThumbs = {
+  browseBy: {
+    showThumbnails: true
+  }
+};
 
-describe('ItemListElementComponent', () => {
+const enviromentNoThumbs = {
+  browseBy: {
+    showThumbnails: false
+  }
+};
+
+describe('ItemSearchResultListElementComponent', () => {
   beforeEach(waitForAsync(() => {
     TestBed.configureTestingModule({
       declarations: [ItemSearchResultListElementComponent, TruncatePipe],
       providers: [
         { provide: TruncatableService, useValue: {} },
-        { provide: DSONameService, useClass: DSONameServiceMock }
+        { provide: DSONameService, useClass: DSONameServiceMock },
+        { provide: APP_CONFIG, useValue: environmentUseThumbs }
       ],
 
       schemas: [NO_ERRORS_SCHEMA]
@@ -81,6 +94,21 @@ describe('ItemListElementComponent', () => {
 
   }));
 
+  describe('with environment.browseBy.showThumbnails set to true', () => {
+    beforeEach(() => {
+      publicationListElementComponent.object = mockItemWithMetadata;
+      fixture.detectChanges();
+    });
+    it('should set showThumbnails to true', () => {
+      expect(publicationListElementComponent.showThumbnails).toBeTrue();
+    });
+
+    it('should add ds-thumbnail element', () => {
+      const thumbnailElement = fixture.debugElement.query(By.css('ds-thumbnail'));
+      expect(thumbnailElement).toBeTruthy();
+    });
+  });
+
   describe('When the item has an author', () => {
     beforeEach(() => {
       publicationListElementComponent.object = mockItemWithMetadata;
@@ -189,3 +217,39 @@ describe('ItemListElementComponent', () => {
     });
   });
 });
+
+describe('ItemSearchResultListElementComponent', () => {
+
+  beforeEach(waitForAsync(() => {
+    TestBed.configureTestingModule({
+      declarations: [ItemSearchResultListElementComponent, TruncatePipe],
+      providers: [
+        {provide: TruncatableService, useValue: {}},
+        {provide: DSONameService, useClass: DSONameServiceMock},
+        { provide: APP_CONFIG, useValue: enviromentNoThumbs }
+      ],
+
+      schemas: [NO_ERRORS_SCHEMA]
+    }).overrideComponent(ItemSearchResultListElementComponent, {
+      set: {changeDetection: ChangeDetectionStrategy.Default}
+    }).compileComponents();
+  }));
+
+  beforeEach(waitForAsync(() => {
+    fixture = TestBed.createComponent(ItemSearchResultListElementComponent);
+    publicationListElementComponent = fixture.componentInstance;
+  }));
+
+  describe('with environment.browseBy.showThumbnails set to false', () => {
+    beforeEach(() => {
+
+      publicationListElementComponent.object = mockItemWithMetadata;
+      fixture.detectChanges();
+    });
+
+    it('should not add ds-thumbnail element', () => {
+      const thumbnailElement = fixture.debugElement.query(By.css('ds-thumbnail'));
+      expect(thumbnailElement).toBeFalsy();
+    });
+  });
+});

src/app/shared/object-list/search-result-list-element/item-search-result/item-types/item/item-search-result-list-element.component.ts

@@ -22,8 +22,14 @@ export class ItemSearchResultListElementComponent extends SearchResultListElemen
    */
   itemPageRoute: string;
 
+  /**
+   * Display thumbnails if required by configuration
+   */
+  showThumbnails: boolean;
+
   ngOnInit(): void {
     super.ngOnInit();
+    this.showThumbnails = this.appConfig.browseBy.showThumbnails;
     this.itemPageRoute = getItemPageRoute(this.dso);
   }
 }

src/app/shared/object-list/search-result-list-element/search-result-list-element.component.ts

@@ -1,4 +1,4 @@
-import { Component, OnInit } from '@angular/core';
+import { Component, Inject, OnInit } from '@angular/core';
 import { Observable } from 'rxjs';
 
 import { SearchResult } from '../../search/models/search-result.model';
@@ -8,6 +8,7 @@ import { AbstractListableElementComponent } from '../../object-collection/shared
 import { TruncatableService } from '../../truncatable/truncatable.service';
 import { Metadata } from '../../../core/shared/metadata.utils';
 import { DSONameService } from '../../../core/breadcrumbs/dso-name.service';
+import { APP_CONFIG, AppConfig } from '../../../../config/app-config.interface';
 
 @Component({
   selector: 'ds-search-result-list-element',
@@ -20,7 +21,9 @@ export class SearchResultListElementComponent<T extends SearchResult<K>, K exten
   dso: K;
   dsoTitle: string;
 
-  public constructor(protected truncatableService: TruncatableService, protected dsoNameService: DSONameService) {
+  public constructor(protected truncatableService: TruncatableService,
+                     protected dsoNameService: DSONameService,
+                     @Inject(APP_CONFIG) protected appConfig?: AppConfig) {
     super();
   }
 

src/app/shared/object-list/sidebar-search-list-element/sidebar-search-list-element.component.ts

@@ -42,7 +42,7 @@ export class SidebarSearchListElementComponent<T extends SearchResult<K>, K exte
                      protected linkService: LinkService,
                      protected dsoNameService: DSONameService
   ) {
-    super(truncatableService, dsoNameService);
+    super(truncatableService, dsoNameService, null);
   }
 
   /**

src/app/shared/utils/object-list-utils.ts

@@ -0,0 +1,15 @@
+/**
+ * Sets the class to be used for the "no thumbnail"
+ * placeholder font size in lists.
+ */
+export function  setPlaceHolderAttributes(width: number): string {
+  if (width < 400) {
+    return 'thumb-font-0';
+  } else if (width < 750) {
+    return 'thumb-font-1';
+  } else if (width < 1000) {
+    return 'thumb-font-2';
+  } else {
+    return 'thumb-font-3';
+  }
+}

src/app/shared/utils/relation-query.utils.ts

@@ -1,3 +1,6 @@
+import { followLink, FollowLinkConfig } from './follow-link-config.model';
+import { Relationship } from '../../core/shared/item-relationships/relationship.model';
+
 /**
  * Get the query for looking up items by relation type
  * @param {string} relationType   Relation type
@@ -16,3 +19,21 @@ export function getQueryByRelations(relationType: string, itemUUID: string): str
 export function getFilterByRelation(relationType: string, itemUUID: string): string {
   return `f.${relationType}=${itemUUID},equals`;
 }
+
+/**
+ * Creates links to follow for the leftItem and rightItem. Links will include
+ * @param showThumbnail thumbnail image configuration
+ * @returns followLink array
+ */
+export function itemLinksToFollow(showThumbnail: boolean):  FollowLinkConfig<Relationship>[] {
+  let linksToFollow: FollowLinkConfig<Relationship>[];
+  if (showThumbnail) {
+    linksToFollow = [
+      followLink('leftItem',{}, followLink('thumbnail')),
+      followLink('rightItem',{}, followLink('thumbnail'))
+    ];
+  } else {
+    linksToFollow = [followLink('leftItem'), followLink('rightItem')];
+  }
+  return linksToFollow;
+}

src/app/thumbnail/thumbnail.component.html

@@ -7,7 +7,7 @@
          [src]="src | dsSafeUrl" [alt]="alt | translate" (error)="errorHandler()">
     <div *ngIf="src === null" class="thumbnail-content outer">
       <div class="inner">
-        <div class="thumbnail-placeholder w-100 h-100 p-3 lead">{{ placeholder | translate }}</div>
+        <div class="thumbnail-placeholder w-100 h-100 lead">{{ placeholder | translate }}</div>
       </div>
     </div>
   </ng-template>

src/app/thumbnail/thumbnail.component.ts

@@ -14,6 +14,7 @@ import { RemoteData } from '../core/data/remote-data';
   templateUrl: './thumbnail.component.html',
 })
 export class ThumbnailComponent implements OnChanges {
+
   /**
    * The thumbnail Bitstream
    */
@@ -90,4 +91,5 @@ export class ThumbnailComponent implements OnChanges {
       this.src = null;
     }
   }
+
 }

src/config/browse-by-config.interface.ts

@@ -23,10 +23,16 @@ export interface BrowseByConfig extends Config {
    */
   defaultLowerLimit: number;
 
+  /**
+   *  If true, thumbnail images for items will be added to BOTH search and browse result lists.
+   */
+  showThumbnails: boolean;
+
   /**
    * Number of entries in the viewport of a paginated browse-by list.
    * Rounded to the nearest size in the list of selectable sizes on the settings
    * menu.  See pageSizeOptions in 'pagination-component-options.model.ts'.
    */
    pageSize: number;
+
 }

src/config/default-app-config.ts

@@ -210,6 +210,8 @@ export class DefaultAppConfig implements AppConfig {
     fiveYearLimit: 30,
     // The absolute lowest year to display in the dropdown (only used when no lowest date can be found for all items)
     defaultLowerLimit: 1900,
+    // Whether to add item thumbnail images to BOTH browse and search result lists.
+    showThumbnails: true,
     // The number of entries in a paginated browse results list.
     // Rounded to the nearest size in the list of selectable sizes on the
     // settings menu.  See pageSizeOptions in 'pagination-component-options.model.ts'.

src/environments/environment.test.ts

@@ -203,6 +203,8 @@ export const environment: BuildConfig = {
     fiveYearLimit: 30,
     // The absolute lowest year to display in the dropdown (only used when no lowest date can be found for all items)
     defaultLowerLimit: 1900,
+    // Whether to add item thumbnail images to BOTH browse and search result lists.
+    showThumbnails: true,
     // The number of entries in a paginated browse results list.
     // Rounded to the nearest size in the list of selectable sizes on the
     // settings menu.  See pageSizeOptions in 'pagination-component-options.model.ts'.

src/styles/_custom_variables.scss

@@ -45,7 +45,7 @@
   --ds-edit-item-metadata-field-width: 190px;
   --ds-edit-item-language-field-width: 43px;
 
-  --ds-thumbnail-max-width: 175px;
+  --ds-thumbnail-max-width: 125px;
   --ds-thumbnail-placeholder-background: #{$gray-100};
   --ds-thumbnail-placeholder-border: 1px solid #{$gray-300};
   --ds-thumbnail-placeholder-color: #{lighten($gray-800, 7%)};

src/styles/_global-styles.scss

@@ -138,3 +138,51 @@ ds-dynamic-form-control-container.d-none {
 .btn-dark {
   background-color: var(--ds-admin-sidebar-bg);
 }
+/* The font sizes used in "no thumbnail" placeholder */
+.thumb-font-0 {
+  .thumbnail-placeholder {
+    @media screen and (max-width: map-get($grid-breakpoints, lg)) {
+      font-size: 0.7rem;
+      padding: 0.2rem;
+    }
+    @media screen and (max-width: map-get($grid-breakpoints, sm)) {
+      font-size: 0.6rem;
+      padding: 0.1rem;
+    }
+    font-size: 0.4rem;
+    padding: 0.1rem;
+  }
+}
+
+.hide-placeholder-text {
+  .thumbnail-placeholder {
+    color: transparent !important;
+  }
+}
+
+.thumb-font-1 {
+  .thumbnail-placeholder {
+    @media screen and (max-width: map-get($grid-breakpoints, sm)) {
+      font-size: 0.9rem;
+      padding: 0.1rem;
+    }
+    @media screen and (max-width: 950px) {
+      font-size: 0.4rem;
+      padding: 0.1rem;
+    }
+    font-size: 0.6rem;
+    padding: 0.125rem;
+  }
+}
+.thumb-font-2 {
+  .thumbnail-placeholder {
+    font-size: 0.9rem;
+    padding: 0.125rem;
+  }
+}
+.thumb-font-3 {
+  .thumbnail-placeholder {
+    font-size: 1.25rem;
+    padding: 0.5rem;
+  }
+}