add support for multiple metadata fields to the MetadataRepresentationListComponent

src/app/+item-page/simple/item-types/publication/publication.component.html

@@ -21,7 +21,7 @@
     <ds-metadata-representation-list class="ds-item-page-mixed-author-field"
       [parentItem]="object"
       [itemType]="'Person'"
-      [metadataField]="'dc.contributor.author'"
+      [metadataFields]="['dc.contributor.author', 'dc.creator']"
       [label]="'relationships.isAuthorOf' | translate">
     </ds-metadata-representation-list>
     <ds-generic-item-page-field [item]="object"

src/app/+item-page/simple/item-types/untyped-item/untyped-item.component.html

@@ -21,7 +21,7 @@
     <ds-metadata-representation-list class="ds-item-page-mixed-author-field"
       [parentItem]="object"
       [itemType]="'Person'"
-      [metadataField]="'dc.contributor.author'"
+      [metadataFields]="['dc.contributor.author', 'dc.creator']"
       [label]="'relationships.isAuthorOf' | translate">
     </ds-metadata-representation-list>
     <ds-generic-item-page-field [item]="object"

src/app/+item-page/simple/metadata-representation-list/metadata-representation-list.component.spec.ts

@@ -11,7 +11,7 @@ import { VarDirective } from '../../../shared/utils/var.directive';
 import { of as observableOf } from 'rxjs';
 
 const itemType = 'Person';
-const metadataField = 'dc.contributor.author';
+const metadataFields = ['dc.contributor.author', 'dc.creator'];
 const parentItem: Item = Object.assign(new Item(), {
   id: 'parent-item',
   metadata: {
@@ -28,6 +28,14 @@ const parentItem: Item = Object.assign(new Item(), {
         place: 1
       }
     ],
+    'dc.creator': [
+      {
+        language: null,
+        value: 'Related Creator with authority',
+        authority: 'virtual::related-creator',
+        place: 3,
+      },
+    ],
     'dc.title': [
       {
         language: null,
@@ -81,13 +89,13 @@ describe('MetadataRepresentationListComponent', () => {
     comp = fixture.componentInstance;
     comp.parentItem = parentItem;
     comp.itemType = itemType;
-    comp.metadataField = metadataField;
+    comp.metadataFields = metadataFields;
     fixture.detectChanges();
   }));
 
-  it('should load 2 ds-metadata-representation-loader components', () => {
+  it('should load 3 ds-metadata-representation-loader components', () => {
     const fields = fixture.debugElement.queryAll(By.css('ds-metadata-representation-loader'));
-    expect(fields.length).toBe(2);
+    expect(fields.length).toBe(3);
   });
 
   it('should contain one page of items', () => {

src/app/+item-page/simple/metadata-representation-list/metadata-representation-list.component.ts

@@ -42,7 +42,7 @@ export class MetadataRepresentationListComponent extends AbstractIncrementalList
   /**
    * The metadata field to use for fetching metadata from the item
    */
-  @Input() metadataField: string;
+  @Input() metadataFields: string[];
 
   /**
    * An i18n label to use as a title for the list
@@ -70,7 +70,7 @@ export class MetadataRepresentationListComponent extends AbstractIncrementalList
    * @param page  The page to fetch
    */
   getPage(page: number): Observable<MetadataRepresentation[]> {
-    const metadata = this.parentItem.findMetadataSortedByPlace(this.metadataField);
+    const metadata = this.parentItem.findMetadataSortedByPlace(this.metadataFields);
     this.total = metadata.length;
     return this.resolveMetadataRepresentations(metadata, page);
   }

src/app/core/shared/dspace-object.model.ts

@@ -163,8 +163,8 @@ export class DSpaceObject extends ListableObject implements CacheableObject {
    * Find metadata on a specific field and order all of them using their "place" property.
    * @param key
    */
-  findMetadataSortedByPlace(key: string): MetadataValue[] {
+  findMetadataSortedByPlace(keyOrKeys: string | string[]): MetadataValue[] {
-    return this.allMetadata([key]).sort((a: MetadataValue, b: MetadataValue) => {
+    return this.allMetadata(keyOrKeys).sort((a: MetadataValue, b: MetadataValue) => {
       if (hasNoValue(a.place) && hasNoValue(b.place)) {
         return 0;
       }

src/app/entity-groups/research-entities/item-pages/project/project.component.html

@@ -18,7 +18,7 @@
     <ds-metadata-representation-list
       [parentItem]="object"
       [itemType]="'OrgUnit'"
-      [metadataField]="'project.contributor.other'"
+      [metadataFields]="['project.contributor.other']"
       [label]="'project.page.contributor' | translate">
     </ds-metadata-representation-list>
     <ds-generic-item-page-field [item]="object"