Adapt the service to a LinkedRepository result

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

@@ -10,12 +10,13 @@ import { ObjectCacheService } from '../cache/object-cache.service';
 import { RestResponse } from '../cache/response.models';
 import { ExternalSourceEntry } from '../shared/external-source-entry.model';
 import { ItemDataService } from './item-data.service';
-import { DeleteRequest, PostRequest } from './request.models';
+import { DeleteRequest, GetRequest, PostRequest } from './request.models';
 import { RequestService } from './request.service';
 import { getMockRemoteDataBuildService } from '../../shared/mocks/remote-data-build.service.mock';
 import { CoreState } from '../core-state.model';
 import { RequestEntry } from './request-entry.model';
 import { FindListOptions } from './find-list-options.model';
+import { HALEndpointServiceStub } from 'src/app/shared/testing/hal-endpoint-service.stub';
 
 describe('ItemDataService', () => {
   let scheduler: TestScheduler;
@@ -36,13 +37,11 @@ describe('ItemDataService', () => {
   }) as RequestService;
   const rdbService = getMockRemoteDataBuildService();
 
-  const itemEndpoint = 'https://rest.api/core/items';
+  const itemEndpoint = 'https://rest.api/core';
 
   const store = {} as Store<CoreState>;
   const objectCache = {} as ObjectCacheService;
-  const halEndpointService = jasmine.createSpyObj('halService', {
+  const halEndpointService: any = new HALEndpointServiceStub(itemEndpoint);
-    getEndpoint: observableOf(itemEndpoint)
-  });
   const bundleService = jasmine.createSpyObj('bundleService', {
     findByHref: {}
   });
@@ -185,6 +184,33 @@ describe('ItemDataService', () => {
     });
   });
 
+  describe('getAccessStatusEndpoint', () => {
+    beforeEach(() => {
+      service = initTestService();
+    });
+    it('should retrieve the access status endpoint', () => {
+      const itemId = '3de6ea60-ec39-419b-ae6f-065930ac1429';
+      const result = service.getAccessStatusEndpoint(itemId);
+      result.subscribe(((value) => {
+        expect(value).toEqual(`${itemEndpoint}/items/${itemId}/accessStatus`);
+      }));
+    });
+  });
+
+  describe('getAccessStatus', () => {
+    beforeEach(() => {
+      service = initTestService();
+    });
+    it('should send a GET request', (done) => {
+      const itemId = '3de6ea60-ec39-419b-ae6f-065930ac1429';
+      const result = service.getAccessStatus(itemId);
+      result.subscribe(() => {
+        expect(requestService.send).toHaveBeenCalledWith(jasmine.any(GetRequest));
+        done();
+      });
+    });
+  });
+
   describe('when cache is invalidated', () => {
     beforeEach(() => {
       service = initTestService();

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

@@ -292,25 +292,31 @@ export class ItemDataService extends DataService<Item> {
     );
   }
 
+  /**
+   * Get the endpoint for an item's access status
+   * @param itemId
+   */
+   public getAccessStatusEndpoint(itemId: string): Observable<string> {
+    return this.halService.getEndpoint(this.linkPath).pipe(
+      switchMap((url: string) => this.halService.getEndpoint('accessStatus', `${url}/${itemId}`))
+    );
+  }
+
   /**
    * Get the the access status
    * @param itemId
    */
   public getAccessStatus(itemId: string): Observable<RemoteData<AccessStatusObject>> {
-    const requestId = this.requestService.generateRequestId();
+    const hrefObs = this.getAccessStatusEndpoint(itemId);
-    const href$ = this.halService.getEndpoint('accessStatus').pipe(
-      map((href) => href.replace('{?uuid}', `?uuid=${itemId}`))
-    );
 
-    href$.pipe(
+    hrefObs.pipe(
-      find((href: string) => hasValue(href)),
+      take(1)
-      map((href: string) => {
+    ).subscribe((href) => {
-        const request = new GetRequest(requestId, href);
+      const request = new GetRequest(this.requestService.generateRequestId(), href);
-        this.requestService.send(request);
+      this.requestService.send(request);
-      })
+    });
-    ).subscribe();
 
-    return this.rdbService.buildFromRequestUUID(requestId);
+    return this.rdbService.buildSingle<AccessStatusObject>(hrefObs);
   }
 
   /**

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

@@ -151,7 +151,7 @@ describe('VersionHistoryDataService', () => {
   describe('when getVersionsEndpoint is called', () => {
     it('should return the correct value', () => {
       service.getVersionsEndpoint(versionHistoryId).subscribe((res) => {
-        expect(res).toBe(url + '/versions');
+        expect(res).toBe(url + '/versionhistories/version-history-id/versions');
       });
     });
   });

src/app/shared/object-list/access-status-badge/access-status.model.ts

@@ -1,11 +1,13 @@
-import { autoserialize } from 'cerialize';
+import { autoserialize, deserialize } from 'cerialize';
 import { typedObject } from 'src/app/core/cache/builders/build-decorators';
+import { CacheableObject } from 'src/app/core/cache/object-cache.reducer';
+import { HALLink } from 'src/app/core/shared/hal-link.model';
 import { ResourceType } from 'src/app/core/shared/resource-type';
 import { excludeFromEquals } from 'src/app/core/utilities/equals.decorators';
 import { ACCESS_STATUS } from './access-status.resource-type';
 
 @typedObject
-export class AccessStatusObject {
+export class AccessStatusObject implements CacheableObject {
   static type = ACCESS_STATUS;
 
   /**
@@ -20,4 +22,12 @@ export class AccessStatusObject {
    */
   @autoserialize
   status: string;
+
+  /**
+   * The {@link HALLink}s for this AccessStatusObject
+   */
+   @deserialize
+   _links: {
+     self: HALLink;
+   };
 }

src/app/shared/testing/hal-endpoint-service.stub.ts

@@ -1,9 +1,13 @@
 import { of as observableOf } from 'rxjs';
+import { hasValue } from '../empty.util';
 
 export class HALEndpointServiceStub {
 
   constructor(private url: string) {}
-  getEndpoint(path: string) {
+  getEndpoint(path: string, startHref?: string) {
+    if (hasValue(startHref)) {
+      return observableOf(startHref + '/' + path);
+    }
     return observableOf(this.url + '/' + path);
   }
 }