CST-5253] Finished functionalities

src/app/workflowitems-edit-page/item-from-workflow.resolver.ts

@@ -1,43 +1,21 @@
 import { Injectable } from '@angular/core';
-import { ActivatedRouteSnapshot, Resolve, RouterStateSnapshot } from '@angular/router';
-import { Observable } from 'rxjs';
+import { Resolve } from '@angular/router';
 import { RemoteData } from '../core/data/remote-data';
 import { Item } from '../core/shared/item.model';
-import { followLink } from '../shared/utils/follow-link-config.model';
-import { getFirstCompletedRemoteData } from '../core/shared/operators';
 import { Store } from '@ngrx/store';
 import { WorkflowItemDataService } from '../core/submission/workflowitem-data.service';
-import { WorkflowItem } from '../core/submission/models/workflowitem.model';
-import { switchMap } from 'rxjs/operators';
+import { SubmissionObjectResolver } from '../core/submission/resolver/submission-object.resolver';
 
 /**
  * This class represents a resolver that requests a specific item before the route is activated
  */
 @Injectable()
-export class ItemFromWorkflowResolver implements Resolve<RemoteData<Item>> {
+export class ItemFromWorkflowResolver extends SubmissionObjectResolver<Item> implements Resolve<RemoteData<Item>>  {
   constructor(
     private workflowItemService: WorkflowItemDataService,
     protected store: Store<any>
   ) {
+    super(workflowItemService, store);
   }
 
-  /**
-   * Method for resolving an item based on the parameters in the current route
-   * @param {ActivatedRouteSnapshot} route The current ActivatedRouteSnapshot
-   * @param {RouterStateSnapshot} state The current RouterStateSnapshot
-   * @returns Observable<<RemoteData<Item>> Emits the found item based on the parameters in the current route,
-   * or an error if something went wrong
-   */
-  resolve(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<RemoteData<Item>> {
-    const itemRD$ = this.workflowItemService.findById(route.params.id,
-      true,
-      false,
-      followLink('item'),
-    ).pipe(
-      getFirstCompletedRemoteData(),
-      switchMap((wfiRD: RemoteData<WorkflowItem>) => wfiRD.payload.item as Observable<RemoteData<Item>>),
-      getFirstCompletedRemoteData()
-    );
-    return itemRD$;
-  }
 }