display if code was cleared

src/app/group-monitor/test-view/test-view.component.html

@@ -142,8 +142,8 @@
         <h1>{{unitContext.parent.label || 'Aktueller Abschnitt'}}</h1>
 
         <mat-icon class="unit-badge"
-                  *ngIf="maxTimeLeft && (maxTimeLeft[unitContext.parent.id] !== undefined)"
-                  matBadge="{{maxTimeLeft[unitContext.parent.id].toString()}}"
+                  *ngIf="testletsTimeleft && (testletsTimeleft[unitContext.parent.id] !== undefined)"
+                  matBadge="{{testletsTimeleft[unitContext.parent.id].toString()}}"
                   matBadgeColor="accent"
                   matTooltip="Verbleibende Zeit"
             >alarm
@@ -185,7 +185,7 @@
           matTooltip="Freigabewort: {{codeToEnter.code.toUpperCase()}}"
           matTooltipPosition="above"
         >
-        <mat-icon>sms</mat-icon>
+        <mat-icon>{{testletsClearedCode && (testletsClearedCode.indexOf(testlet.id) > -1) ? 'lock_open' : 'lock'}}</mat-icon>
     </span>
 
     <ng-container *ngFor="let testletOrUnit of testlet.children; trackBy: trackUnits" [ngSwitch]="getTestletType(testletOrUnit)">

src/app/group-monitor/test-view/test-view.component.ts

@@ -38,7 +38,8 @@ export class TestViewComponent implements OnInit, OnChanges, OnDestroy {
     public booklet$: Observable<Booklet|BookletError>;
     public featuredUnit$: Observable<UnitContext|null>;
 
-    public maxTimeLeft: object|null; // TODO make observable maybe
+    public testletsTimeleft: object|null; // TODO make observable maybe
+    public testletsClearedCode: object | null;
 
     private bookletSubscription: Subscription;
 
@@ -77,7 +78,8 @@ export class TestViewComponent implements OnInit, OnChanges, OnDestroy {
     ngOnChanges(changes: {[propertyName: string]: SimpleChange}) {
         if (typeof changes['testSession'] !== 'undefined') {
             this.testSession$.next(this.testSession);
-            this.maxTimeLeft = this.parseJsonState(this.testSession.testState, 'TESTLETS_TIMELEFT');
+            this.testletsTimeleft = this.parseJsonState(this.testSession.testState, 'TESTLETS_TIMELEFT');
+            this.testletsClearedCode = this.parseJsonState(this.testSession.testState, 'TESTLETS_CLEARED_CODE');
         }
     }