[DURACOM-234] Migrate fo functional resolver

src/app/core/submission/resolver/submission-object.resolver.ts

@@ -1,45 +1,37 @@
-import { Injectable } from '@angular/core';
 import {
   ActivatedRouteSnapshot,
   RouterStateSnapshot,
 } from '@angular/router';
-import { Store } from '@ngrx/store';
 import { Observable } from 'rxjs';
 import { switchMap } from 'rxjs/operators';
 
 import { followLink } from '../../../shared/utils/follow-link-config.model';
 import { IdentifiableDataService } from '../../data/base/identifiable-data.service';
 import { RemoteData } from '../../data/remote-data';
+import { Item } from '../../shared/item.model';
 import { getFirstCompletedRemoteData } from '../../shared/operators';
+import { SubmissionObject } from '../models/submission-object.model';
 
 /**
- * This class represents a resolver that requests a specific item before the route is activated
+ * 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
+ * @param {IdentifiableDataService<SubmissionObject> } dataService
+ * @returns Observable<<RemoteData<Item>> Emits the found item based on the parameters in the current route,
+ * or an error if something went wrong
  */
-@Injectable({ providedIn: 'root' })
-export class SubmissionObjectResolver<T>  {
-  constructor(
-      protected dataService: IdentifiableDataService<any>,
-      protected store: Store<any>,
-  ) {
-  }
-
-  /**
-     * 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<T>> {
-    const itemRD$ = this.dataService.findById(route.params.id,
-      true,
-      false,
-      followLink('item'),
-    ).pipe(
-      getFirstCompletedRemoteData(),
-      switchMap((wfiRD: RemoteData<any>) => wfiRD.payload.item as Observable<RemoteData<T>>),
-      getFirstCompletedRemoteData(),
-    );
-    return itemRD$;
-  }
-}
+export const SubmissionObjectResolver: (route: ActivatedRouteSnapshot, state: RouterStateSnapshot, dataService: IdentifiableDataService<SubmissionObject>) => Observable<RemoteData<Item>> = (
+  route: ActivatedRouteSnapshot,
+  state: RouterStateSnapshot,
+  dataService: IdentifiableDataService<SubmissionObject>,
+): Observable<RemoteData<Item>> => {
+  return dataService.findById(route.params.id,
+    true,
+    false,
+    followLink('item'),
+  ).pipe(
+    getFirstCompletedRemoteData(),
+    switchMap((wfiRD: RemoteData<any>) => wfiRD.payload.item as Observable<RemoteData<Item>>),
+    getFirstCompletedRemoteData(),
+  );
+};