61142: Fixed AoT build errors

src/app/+item-page/edit-item-page/abstract-item-update/abstract-item-update.component.ts

-import { Component, Inject, OnInit } from '@angular/core';
+import { Component, Inject, Injectable, OnInit } from '@angular/core';
 import { FieldUpdate, FieldUpdates } from '../../../core/data/object-updates/object-updates.reducer';
 import { Observable } from 'rxjs/internal/Observable';
 import { Item } from '../../../core/shared/item.model';
@@ -11,10 +11,7 @@ import { GLOBAL_CONFIG, GlobalConfig } from '../../../../config';
 import { first, map } from 'rxjs/operators';
 import { RemoteData } from '../../../core/data/remote-data';
 
-@Component({
-  selector: 'ds-abstract-item-update',
-  template: ``,
-})
+@Injectable()
 /**
  * Abstract component for managing object updates of an item
  */
@@ -22,25 +19,25 @@ export abstract class AbstractItemUpdateComponent implements OnInit {
   /**
    * The item to display the edit page for
    */
-  protected item: Item;
+  item: Item;
   /**
    * The current values and updates for all this item's fields
    * Should be initialized in the initializeUpdates method of the child component
    */
-  protected updates$: Observable<FieldUpdates>;
+  updates$: Observable<FieldUpdates>;
   /**
    * The current url of this page
    */
-  protected url: string;
+  url: string;
   /**
    * Prefix for this component's notification translate keys
    * Should be initialized in the initializeNotificationsPrefix method of the child component
    */
-  protected notificationsPrefix;
+  notificationsPrefix;
   /**
    * The time span for being able to undo discarding changes
    */
-  protected discardTimeOut: number;
+  discardTimeOut: number;
 
   constructor(
     protected itemService: ItemDataService,

src/app/+item-page/edit-item-page/item-metadata/item-metadata.component.ts

-import { Component, Inject, Input, OnInit } from '@angular/core';
+import { Component, Inject } from '@angular/core';
 import { Item } from '../../../core/shared/item.model';
 import { ItemDataService } from '../../../core/data/item-data.service';
 import { ObjectUpdatesService } from '../../../core/data/object-updates/object-updates.service';
@@ -60,7 +60,7 @@ export class ItemMetadataComponent extends AbstractItemUpdateComponent {
    * Initialize the values and updates of the current item's metadata fields
    */
   public initializeUpdates(): void {
-    this.updates$ = this.objectUpdatesService.getFieldUpdates(this.url, this.item.metadataAsList);
+    this.updates$ = this.objectUpdatesService.getFieldUpdates(this.url, this.getMetadataAsListExcludingRelationships());
   }
 
   /**
@@ -82,7 +82,7 @@ export class ItemMetadataComponent extends AbstractItemUpdateComponent {
    * Sends all initial values of this item to the object updates service
    */
   public initializeOriginalFields() {
-    this.objectUpdatesService.initialize(this.url, this.item.metadataAsList, this.item.lastModified);
+    this.objectUpdatesService.initialize(this.url, this.getMetadataAsListExcludingRelationships(), this.item.lastModified);
   }
 
   /**
@@ -92,7 +92,7 @@ export class ItemMetadataComponent extends AbstractItemUpdateComponent {
   public submit() {
     this.isValid().pipe(first()).subscribe((isValid) => {
       if (isValid) {
-        const metadata$: Observable<Identifiable[]> = this.objectUpdatesService.getUpdatedFields(this.url, this.item.metadataAsList) as Observable<MetadatumViewModel[]>;
+        const metadata$: Observable<Identifiable[]> = this.objectUpdatesService.getUpdatedFields(this.url, this.getMetadataAsListExcludingRelationships()) as Observable<MetadatumViewModel[]>;
         metadata$.pipe(
           first(),
           switchMap((metadata: MetadatumViewModel[]) => {
@@ -105,7 +105,7 @@ export class ItemMetadataComponent extends AbstractItemUpdateComponent {
           (rd: RemoteData<Item>) => {
             this.item = rd.payload;
             this.initializeOriginalFields();
-            this.updates$ = this.objectUpdatesService.getFieldUpdates(this.url, this.item.metadataAsList);
+            this.updates$ = this.objectUpdatesService.getFieldUpdates(this.url, this.getMetadataAsListExcludingRelationships());
             this.notificationsService.success(this.getNotificationTitle('saved'), this.getNotificationContent('saved'));
           }
         )
@@ -124,4 +124,8 @@ export class ItemMetadataComponent extends AbstractItemUpdateComponent {
       take(1),
       map((remoteData$) => remoteData$.payload.page.map((field: MetadataField) => field.toString())));
   }
+
+  getMetadataAsListExcludingRelationships(): MetadatumViewModel[] {
+    return this.item.metadataAsList.filter((metadata: MetadatumViewModel) => !metadata.key.startsWith('relation.') && !metadata.key.startsWith('relationship.'));
+  }
 }

src/app/core/data/relationship.service.spec.ts

@@ -68,7 +68,7 @@ describe('RelationshipService', () => {
   const relatedItems = [relatedItem1, relatedItem2];
 
   const itemService = jasmine.createSpyObj('itemService', {
-    findById: (uuid) => new RemoteData(false, false, true, undefined, relatedItems.filter((item) => item.id === uuid)[0])
+    findById: (uuid) => new RemoteData(false, false, true, undefined, relatedItems.filter((relatedItem) => relatedItem.id === uuid)[0])
   });
 
   function initTestService() {