backend/src/main/java/core/api/models/timemanager/tasks/TaskOverviewInfo.java

@@ -18,6 +18,7 @@ public class TaskOverviewInfo {
     private boolean overdue;
 
     private boolean finishable;
+    private boolean hasSubtasks;
 
     public TaskOverviewInfo(Task task) {
         this.taskID = task.getTaskID();
@@ -33,6 +34,7 @@ public class TaskOverviewInfo {
             this.overdue = LocalDate.now().isAfter(task.getDeadline());
         }
         this.finishable = task.isFinishable();
+        this.hasSubtasks = !task.getSubtasks().isEmpty();
     }
 
     public long getTaskID() {
@@ -90,4 +92,12 @@ public class TaskOverviewInfo {
     public void setFinishable(boolean finishable) {
         this.finishable = finishable;
     }
+
+    public boolean isHasSubtasks() {
+        return hasSubtasks;
+    }
+
+    public void setHasSubtasks(boolean hasSubtasks) {
+        this.hasSubtasks = hasSubtasks;
+    }
 }

frontend/src/api/model/taskOverviewInfo.ts

@@ -42,5 +42,9 @@ export interface TaskOverviewInfo {
      * determines whether the task can be finished
      */
     finishable: boolean;
+    /**
+     * determines whether the task has subtasks
+     */
+    hasSubtasks: boolean;
 }
 

frontend/src/app/dashboard/task-overview/task-overview.component.css

@@ -31,3 +31,13 @@
   text-decoration: none;
   color: black;
 }
+
+.task-title {
+  display: flex;
+  justify-content: space-between;
+}
+
+.subtask-link {
+  color: #00bc8c;
+  text-decoration: none;
+}

frontend/src/app/dashboard/task-overview/task-overview.component.html

@@ -2,7 +2,10 @@
   <button mat-raised-button class="greenBtn long-btn"(click)="openTaskCreation()">Add</button>
   <mat-card *ngFor="let task of tasks">
     <mat-card-content>
-      <h3><a class="task-link" [routerLink]="['/taskgroups', taskgroupID!, 'tasks', task.taskID]">{{task.taskName}}</a></h3>
+      <h3 class="task-title">
+        <a class="task-link" [routerLink]="['/taskgroups', taskgroupID!, 'tasks', task.taskID]">{{task.taskName}}</a>
+        <button mat-button class="subtask-link" *ngIf="task.hasSubtasks" [routerLink]="['/taskgroups', taskgroupID!, 'tasks', task.taskID]">has Subtasks</button>
+      </h3>
       <mat-progress-bar mode="determinate" value="{{task.activeTime}}" class="progress"></mat-progress-bar>
       <p class="task-info"><i>ETA: </i>{{task.activeTime}} / {{task.eta}}</p>
       <p class="task-info"><i>Limit: </i>{{task.limit}}</p>

frontend/src/app/dashboard/task-overview/task-overview.component.ts

@@ -89,6 +89,7 @@ export class TaskOverviewComponent {
           activeTime: 0,
           overdue: res.overdue,
           taskgroupPath: [],
+          hasSubtasks: false,
           finishable: res.finishable
         }
         this.creationEmitter.emit({

openapi.yaml

@@ -2807,6 +2807,7 @@ components:
         - overdue
         - taskgroupPath
         - finishable
+        - hasSubtasks
       additionalProperties: false
       properties:
         taskID:
@@ -2841,6 +2842,9 @@ components:
         finishable:
           type: boolean
           description: determines whether the task can be finished
+        hasSubtasks:
+          type: boolean
+          description: determines whether the task has subtasks
     ScheduleStatus:
       required:
         - activeMinutes