[CST-6494] Fix issue for which sometimes claimed and pool task weren't shown when a filter is applied

src/app/shared/object-list/my-dspace-result-list-element/claimed-search-result/claimed-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 { ObjectCacheService } from '../../../../core/cache/object-cache.service';
 
 let component: ClaimedSearchResultListElementComponent;
 let fixture: ComponentFixture<ClaimedSearchResultListElementComponent>;
@@ -59,6 +60,9 @@ const workflowitem = Object.assign(new WorkflowItem(), { item: observableOf(rdIt
 const rdWorkflowitem = createSuccessfulRemoteDataObject(workflowitem);
 mockResultObject.indexableObject = Object.assign(new ClaimedTask(), { workflowitem: observableOf(rdWorkflowitem) });
 const linkService = getMockLinkService();
+const objectCacheServiceMock = jasmine.createSpyObj('ObjectCacheService', {
+  remove: jasmine.createSpy('remove')
+});
 
 describe('ClaimedSearchResultListElementComponent', () => {
   beforeEach(waitForAsync(() => {
@@ -68,7 +72,8 @@ describe('ClaimedSearchResultListElementComponent', () => {
       providers: [
         { provide: TruncatableService, useValue: {} },
         { provide: LinkService, useValue: linkService },
-        { provide: DSONameService, useClass: DSONameServiceMock }
+        { provide: DSONameService, useClass: DSONameServiceMock },
+        { provide: ObjectCacheService, useValue: objectCacheServiceMock }
       ],
       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, OnDestroy, OnInit } 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 { ObjectCacheService } from '../../../../core/cache/object-cache.service';
 
 @Component({
   selector: 'ds-claimed-search-result-list-element',
@@ -20,7 +21,7 @@ import { DSONameService } from '../../../../core/breadcrumbs/dso-name.service';
   templateUrl: './claimed-search-result-list-element.component.html'
 })
 @listableObjectComponent(ClaimedTaskSearchResult, ViewMode.ListElement)
-export class ClaimedSearchResultListElementComponent extends SearchResultListElementComponent<ClaimedTaskSearchResult, ClaimedTask> {
+export class ClaimedSearchResultListElementComponent extends SearchResultListElementComponent<ClaimedTaskSearchResult, ClaimedTask> implements OnInit, OnDestroy {
 
   /**
    * A boolean representing if to show submitter information
@@ -40,7 +41,8 @@ export class ClaimedSearchResultListElementComponent extends SearchResultListEle
   public constructor(
     protected linkService: LinkService,
     protected truncatableService: TruncatableService,
-    protected dsoNameService: DSONameService
+    protected dsoNameService: DSONameService,
+    protected objectCache: ObjectCacheService
   ) {
     super(truncatableService, dsoNameService);
   }
@@ -56,4 +58,9 @@ export class ClaimedSearchResultListElementComponent extends SearchResultListEle
     this.workflowitemRD$ = this.dso.workflowitem as Observable<RemoteData<WorkflowItem>>;
   }
 
+  ngOnDestroy() {
+    // This ensures the object is removed from cache, when action is performed on task
+    this.objectCache.remove(this.dso._links.workflowitem.href);
+  }
+
 }

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 { ObjectCacheService } from '../../../../core/cache/object-cache.service';
 
 let component: PoolSearchResultListElementComponent;
 let fixture: ComponentFixture<PoolSearchResultListElementComponent>;
@@ -59,6 +60,10 @@ const workflowitem = Object.assign(new WorkflowItem(), { item: observableOf(rdIt
 const rdWorkflowitem = createSuccessfulRemoteDataObject(workflowitem);
 mockResultObject.indexableObject = Object.assign(new PoolTask(), { workflowitem: observableOf(rdWorkflowitem) });
 const linkService = getMockLinkService();
+const objectCacheServiceMock = jasmine.createSpyObj('ObjectCacheService', {
+  remove: jasmine.createSpy('remove')
+});
+
 
 describe('PoolSearchResultListElementComponent', () => {
   beforeEach(waitForAsync(() => {
@@ -68,7 +73,8 @@ describe('PoolSearchResultListElementComponent', () => {
       providers: [
         { provide: TruncatableService, useValue: {} },
         { provide: LinkService, useValue: linkService },
-        { provide: DSONameService, useClass: DSONameServiceMock }
+        { provide: DSONameService, useClass: DSONameServiceMock },
+        { provide: ObjectCacheService, useValue: objectCacheServiceMock }
       ],
       schemas: [NO_ERRORS_SCHEMA]
     }).overrideComponent(PoolSearchResultListElementComponent, {

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, OnDestroy, 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 { ObjectCacheService } from '../../../../core/cache/object-cache.service';
 
 /**
  * This component renders pool task object for the search result in the list view.
@@ -25,7 +26,7 @@ import { DSONameService } from '../../../../core/breadcrumbs/dso-name.service';
 })
 
 @listableObjectComponent(PoolTaskSearchResult, ViewMode.ListElement)
-export class PoolSearchResultListElementComponent extends SearchResultListElementComponent<PoolTaskSearchResult, PoolTask> implements OnInit {
+export class PoolSearchResultListElementComponent extends SearchResultListElementComponent<PoolTaskSearchResult, PoolTask>  implements OnInit, OnDestroy {
 
   /**
    * A boolean representing if to show submitter information
@@ -50,7 +51,8 @@ export class PoolSearchResultListElementComponent extends SearchResultListElemen
   constructor(
     protected linkService: LinkService,
     protected truncatableService: TruncatableService,
-    protected dsoNameService: DSONameService
+    protected dsoNameService: DSONameService,
+    protected objectCache: ObjectCacheService
   ) {
     super(truncatableService, dsoNameService);
   }
@@ -66,4 +68,8 @@ export class PoolSearchResultListElementComponent extends SearchResultListElemen
     this.workflowitemRD$ = this.dso.workflowitem as Observable<RemoteData<WorkflowItem>>;
   }
 
+  ngOnDestroy() {
+    // This ensures the object is removed from cache, when action is performed on task
+    this.objectCache.remove(this.dso._links.workflowitem.href);
+  }
 }