75939: (edit) item links refactored to contain entity types

src/app/shared/item/item-versions/item-versions.component.ts

@@ -4,7 +4,11 @@ import { Version } from '../../../core/shared/version.model';
 import { RemoteData } from '../../../core/data/remote-data';
 import { BehaviorSubject, combineLatest as observableCombineLatest, Observable } from 'rxjs';
 import { VersionHistory } from '../../../core/shared/version-history.model';
-import { getAllSucceededRemoteData, getRemoteDataPayload } from '../../../core/shared/operators';
+import {
+  getAllSucceededRemoteData,
+  getAllSucceededRemoteDataPayload,
+  getRemoteDataPayload
+} from '../../../core/shared/operators';
 import { map, startWith, switchMap } from 'rxjs/operators';
 import { PaginatedList } from '../../../core/data/paginated-list.model';
 import { PaginationComponentOptions } from '../../pagination/pagination-component-options.model';
@@ -13,6 +17,7 @@ import { PaginatedSearchOptions } from '../../search/paginated-search-options.mo
 import { AlertType } from '../../alert/aletr-type';
 import { followLink } from '../../utils/follow-link-config.model';
 import { hasValueOperator } from '../../empty.util';
+import { getItemPageRoute } from '../../../+item-page/item-page-routing-paths';
 
 @Component({
   selector: 'ds-item-versions',
@@ -86,6 +91,15 @@ export class ItemVersionsComponent implements OnInit {
    */
   currentPage$ = new BehaviorSubject<number>(1);
 
+  /**
+   * The routes to the versions their item pages
+   * Key: Item ID
+   * Value: Route to item page
+   */
+  itemPageRoutes$: Observable<{
+    [itemId: string]: string
+  }>
+
   constructor(private versionHistoryService: VersionHistoryDataService) {
   }
 
@@ -118,6 +132,15 @@ export class ItemVersionsComponent implements OnInit {
       map((versions: PaginatedList<Version>) => versions.page.filter((version: Version) => version.eperson !== undefined).length > 0),
       startWith(false)
     );
+    this.itemPageRoutes$ = this.versionsRD$.pipe(
+      getAllSucceededRemoteDataPayload(),
+      switchMap((versions) => observableCombineLatest(...versions.page.map((version) => version.item.pipe(getAllSucceededRemoteDataPayload())))),
+      map((versions) => {
+        const itemPageRoutes = {};
+        versions.forEach((item) => itemPageRoutes[item.uuid] = getItemPageRoute(item));
+        return itemPageRoutes;
+      })
+    );
   }
 
   /**