[DURACOM-413] add cache invalidation on new version

Author: FrancescoMolinaro

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

@@ -26,6 +26,7 @@ import {
 import { DefaultChangeAnalyzer } from './default-change-analyzer.service';
 import { RemoteData } from './remote-data';
 import { RequestService } from './request.service';
+import { Item } from "@dspace/core/shared/item.model";
 
 /**
  * Service responsible for handling requests related to the Version object
@@ -106,4 +107,14 @@ export class VersionDataService extends IdentifiableDataService<Version> impleme
     return this.patchData.createPatchFromCache(object);
   }
 
+
+  /**
+   * Invalidates the cache of the version link for this item.
+   *
+   * @param item
+   */
+  invalidateVersionHrefCache(item: Item): void {
+    this.requestService.setStaleByHrefSubstring(item._links.version.href);
+  }
+
 }

src/app/shared/dso-page/dso-versioning-modal-service/dso-versioning-modal.service.ts

@@ -81,6 +81,7 @@ export class DsoVersioningModalService {
       switchMap((newVersionItem: Item) => this.workspaceItemDataService.findByItem(newVersionItem.uuid, true, false)),
       getFirstSucceededRemoteDataPayload<WorkspaceItem>(),
     ).subscribe((wsItem) => {
+      this.versionService.invalidateVersionHrefCache(item);
       const wsiId = wsItem.id;
       const route = 'workspaceitems/' + wsiId + '/edit';
       this.router.navigateByUrl(route);