Fix: author search result without co-author

(cherry picked from commit f055ff6)

Author: oscar-escire

src/app/shared/object-list/search-result-list-element/item-search-result/item-types/item/item-search-result-list-element.component.html

@@ -29,7 +29,7 @@
           <span *ngIf="dso.firstMetadataValue('dc.date.issued')" class="item-list-date" [innerHTML]="firstMetadataValue('dc.date.issued')"></span>)
           </ng-container>
           <span *ngIf="dso.allMetadata(['dc.contributor.author', 'dc.creator', 'dc.contributor.*']).length > 0" class="item-list-authors">
-            <span *ngFor="let author of allMetadataValues(['dc.contributor.author', 'dc.creator', 'dc.contributor.*']); let last=last;">
+            <span *ngFor="let author of allMetadataNoExcludingValues(['dc.contributor.author', 'dc.creator', 'dc.contributor.*']); let last=last;">
                 <span [innerHTML]="author"><span [innerHTML]="author"></span></span>
                 <span *ngIf="!last">; </span>
             </span>

src/app/shared/object-list/search-result-list-element/search-result-list-element.component.ts

@@ -55,6 +55,28 @@ export class SearchResultListElementComponent<T extends SearchResult<K>, K exten
     return Metadata.allValues([this.object.hitHighlights, this.dso.metadata], keyOrKeys);
   }
 
+  /**
+   * Gets all matching metadata string values from hitHighlights or dso metadata.
+   *
+   * @param {string|string[]} keyOrKeys The metadata key(s) in scope. Wildcards are supported; see [[Metadata]].
+   * @returns {string[]} the matching string values or an empty array.
+   */
+  allMetadataNoExcludingValues(keyOrKeys: string | string[]): string[] {
+    let dsoMetadata: string[] = Metadata.allValues([this.dso.metadata], keyOrKeys);
+    let highlights: string[] = Metadata.allValues([this.object.hitHighlights], keyOrKeys);
+    let removedHighlights: string[] = highlights.map(str => str.replace(/<\/?em>/g, ''));
+    for (let i = 0; i < removedHighlights.length; i++) {
+        let index = dsoMetadata.indexOf(removedHighlights[i]);        
+        if (index !== -1) {
+          dsoMetadata[index] = highlights[i];
+        }
+    }
+    console.log(dsoMetadata);
+    console.log(highlights);
+    console.log(removedHighlights);
+    return dsoMetadata;
+  }
+
   /**
    * Gets the first matching metadata string value from hitHighlights or dso metadata, preferring hitHighlights.
    *