Added Link to Exercise Details internal identifier

src/main/webapp/app/exercise/exercise-details/exercise-metadata/exercise-metadata-item/exercise-metadata-item.component.html

-<div *ngIf="value && value.length > 0" class="row exercise-metadata-item">
-  <ng-container *ngIf="isArray(value)">
-    <div *ngIf="value.length === 1" class="col-5 exercise-metadata-item-description">
-      {{ description + '.singular' | translate }}
-    </div>
-    <div *ngIf="value.length > 1" class="col-5 exercise-metadata-item-description">
-      {{ description + '.plural' | translate }}
-    </div>
-    <div *ngIf="treatAsHTML" class="col-7 exercise-metadata-item-value" [innerHTML]="arrayToString(value)"></div>
-    <div *ngIf="!treatAsHTML" class="col-7 exercise-metadata-item-value">
-      {{ arrayToString(value) }}
-    </div>
-  </ng-container>
-  <ng-container *ngIf="!isArray(value)">
-    <div jhiTranslate="{{ description }}" class="col-5 exercise-metadata-item-description"></div>
-    <div class="col-7 exercise-metadata-item-value">{{ value }}</div>
-  </ng-container>
+<div *ngIf="value && value.length > 0"
+	class="row exercise-metadata-item">
+	<ng-container *ngIf="isArray(value)">
+	<div *ngIf="value.length === 1"
+		class="col-5 exercise-metadata-item-description">{{ description
+		+ '.singular' | translate }}</div>
+	<div *ngIf="value.length > 1"
+		class="col-5 exercise-metadata-item-description">{{ description
+		+ '.plural' | translate }}</div>
+	<ng-container *ngIf="link"> <a
+		href="{{link}}" class="col-7 exercise-metadata-item-value">
+		<div *ngIf="treatAsHTML" class="exercise-metadata-item-value"
+			[innerHTML]="arrayToString(value)"></div>
+		<div *ngIf="!treatAsHTML" class="exercise-metadata-item-value">
+			{{ arrayToString(value) }}</div>
+	</a> </ng-container> <ng-container *ngIf="!link">
+	<div *ngIf="treatAsHTML" class="col-7 exercise-metadata-item-value"
+		[innerHTML]="arrayToString(value)"></div>
+	<div *ngIf="!treatAsHTML" class="col-7 exercise-metadata-item-value">
+		{{ arrayToString(value) }}</div>
+	</ng-container> </ng-container>
+	<ng-container *ngIf="!isArray(value)">
+	<div jhiTranslate="{{ description }}"
+		class="col-5 exercise-metadata-item-description"></div>
+	<ng-container *ngIf="link" class="col-7"> <a
+		href="{{link}}" class="col-7 exercise-metadata-item-value">
+		<div>{{ value }}</div>
+	</a> </ng-container> <ng-container *ngIf="!link" >
+	<div class="col-7 exercise-metadata-item-value">{{ value }}</div>
+
+	</ng-container> </ng-container>
+
 </div>

src/main/webapp/app/exercise/exercise-details/exercise-metadata/exercise-metadata-item/exercise-metadata-item.component.ts

@@ -9,6 +9,7 @@ export class ExerciseMetadataItemComponent {
   @Input() description = '';
   @Input() value: string | string[] | undefined;
   @Input() treatAsHTML = false;
+  @Input() link: string | undefined
 
   isArray(value: string | string[]): boolean {
     return Array.isArray(value);

src/main/webapp/app/exercise/exercise-details/exercise-metadata/exercise-metadata.component.html

@@ -113,7 +113,7 @@
   </jhi-exercise-metadata-item>
 
   <jhi-exercise-metadata-item [description]="'exercise.metadata.identifier'" [value]="exercise.identifier"> </jhi-exercise-metadata-item>
-  <jhi-exercise-metadata-item [description]="'exercise.metadata.internalIdentifier'" [value]="exercise.originalResult.exerciseId">
+  <jhi-exercise-metadata-item [description]="'exercise.metadata.internalIdentifier'" [value]="exercise.originalResult.exerciseId" link="/item/{{exercise.originalResult.exerciseId}}">
   </jhi-exercise-metadata-item>
 
   <jhi-exercise-metadata-item [description]="'exercise.metadata.interactivityType'" [value]="exercise.interactivityType">