[DSC-1601] - Added new implementation when bitstream is restricted

Author: Simone-Ramundi

src/app/item-page/full/field-components/file-section/full-file-section.component.html

@@ -34,8 +34,8 @@ <h5 class="simple-view-element-header">{{"item.page.filesection.original.bundle"
                         </dl>
                     </div>
                     <div *ngIf="!hasNoDownload(file)" class="col-2">
-                        <ds-themed-file-download-link [bitstream]="file" [item]="item">
-                            {{"item.page.filesection.download" | translate}}
+                        <ds-themed-file-download-link [showIcon]="(canDownload(file) | async)" [bitstream]="file" [item]="item">
+                          {{"item.page.filesection.download" | translate}}
                         </ds-themed-file-download-link>
                     </div>
                 </div>

src/app/item-page/full/field-components/file-section/full-file-section.component.ts

@@ -9,14 +9,16 @@ import { FileSectionComponent } from '../../../simple/field-components/file-sect
 import { PaginationComponentOptions } from '../../../../shared/pagination/pagination-component-options.model';
 import { PaginatedList } from '../../../../core/data/paginated-list.model';
 import { RemoteData } from '../../../../core/data/remote-data';
-import { switchMap, tap } from 'rxjs/operators';
+import { map, switchMap, tap } from 'rxjs/operators';
 import { NotificationsService } from '../../../../shared/notifications/notifications.service';
 import { TranslateService } from '@ngx-translate/core';
 import { hasValue, isEmpty } from '../../../../shared/empty.util';
 import { PaginationService } from '../../../../core/pagination/pagination.service';
 import { DSONameService } from '../../../../core/breadcrumbs/dso-name.service';
 import { AppConfig, APP_CONFIG } from 'src/config/app-config.interface';
 import { UUIDService } from '../../../../core/shared/uuid.service';
+import { AuthorizationDataService } from '../../../../core/data/feature-authorization/authorization-data.service';
+import { FeatureID } from '../../../../core/data/feature-authorization/feature-id';
 
 /**
  * This component renders the file section of the item
@@ -56,6 +58,7 @@ export class FullFileSectionComponent extends FileSectionComponent implements On
     protected paginationService: PaginationService,
     public dsoNameService: DSONameService,
     protected uuidService: UUIDService,
+    public authorizationService: AuthorizationDataService,
     @Inject(APP_CONFIG) protected appConfig: AppConfig
   ) {
     super(bitstreamDataService, notificationsService, translateService, dsoNameService, appConfig);
@@ -112,6 +115,12 @@ export class FullFileSectionComponent extends FileSectionComponent implements On
     return bitstream?.allMetadataValues('bitstream.viewer.provider').includes('nodownload');
   }
 
+  canDownload(file: Bitstream): Observable<boolean> {
+    return this.authorizationService.isAuthorized(FeatureID.CanDownload, file.self).pipe(
+      map(value => !value),
+    );
+  }
+
   ngOnDestroy(): void {
     this.paginationService.clearPagination(this.originalOptions.id);
     this.paginationService.clearPagination(this.licenseOptions.id);

src/app/shared/file-download-link/themed-file-download-link.component.ts

@@ -21,7 +21,9 @@ export class ThemedFileDownloadLinkComponent extends ThemedComponent<FileDownloa
 
   @Input() enableRequestACopy: boolean;
 
-  protected inAndOutputNames: (keyof FileDownloadLinkComponent & keyof this)[] = ['bitstream', 'item', 'cssClasses', 'isBlank', 'enableRequestACopy'];
+  @Input() showIcon: boolean;
+
+  protected inAndOutputNames: (keyof FileDownloadLinkComponent & keyof this)[] = ['bitstream', 'item', 'cssClasses', 'isBlank', 'enableRequestACopy', 'showIcon'];
 
   protected getComponentName(): string {
     return 'FileDownloadLinkComponent';