Tasks: update message and visibility creation action

Resolves #921

Author: oodamien

ui/src/app/tasks/components/tasks-tabulation/tasks-tabulation.component.html

@@ -3,12 +3,10 @@
   <app-page-head>
     <app-page-head-title><strong>Tasks</strong></app-page-head-title>
     <app-page-head-actions [appRoles]="['ROLE_CREATE']">
-      <ng-container *ngIf="appsState$ | async as appsState;">
-        <button class="btn btn-primary btn-fa" (click)="createTask()" *ngIf="appsState.tasks > 0">
-          <span class="fa fa-plus"></span>
-          Create task(s)
-        </button>
-      </ng-container>
+      <button class="btn btn-primary btn-fa" (click)="createTask()">
+        <span class="fa fa-plus"></span>
+        Create task(s)
+      </button>
     </app-page-head-actions>
   </app-page-head>
 

ui/src/app/tasks/components/tasks-tabulation/tasks-tabulation.component.ts

@@ -28,12 +28,6 @@ export class TasksTabulationComponent implements OnInit {
 
   counters$: Observable<any>;
 
-
-  /**
-   * Apps State
-   */
-  appsState$: Observable<any>;
-
   /**
    * Constructor
    *
@@ -49,7 +43,6 @@ export class TasksTabulationComponent implements OnInit {
   }
 
   ngOnInit() {
-    this.appsState$ = this.appsService.appsState();
     this.refresh();
   }
 

ui/src/app/tasks/task-definitions/task-definitions.component.html

@@ -64,14 +64,10 @@
 
     <app-list-empty [page]="taskDefinitions" [filters]="[params.q]">
       <p>There is <strong>no registered task</strong>, yet.</p>
-      <div *ngIf="appsState$ | async as appsState">
-        <p *ngIf="appsState.tasks > 0" [appRoles]="['ROLE_CREATE']">
+      <div>
+        <p [appRoles]="['ROLE_CREATE']">
           You can <a (click)="createTask()">Create Task(s)</a> or <a (click)="refresh()">Refresh</a> the page
         </p>
-        <p *ngIf="appsState.tasks == 0" [appRoles]="['ROLE_CREATE']">
-          To create task(s), you have to <a (click)="registerApps()">register Apps</a> first.<br />
-          You can <a (click)="refresh()">Refresh</a> the page.
-        </p>
       </div>
     </app-list-empty>
 

ui/src/app/tasks/task-definitions/task-definitions.component.ts

@@ -95,11 +95,6 @@ export class TaskDefinitionsComponent implements OnInit, OnDestroy {
    */
   context: any;
 
-  /**
-   * Apps State
-   */
-  appsState$: Observable<any>;
-
   /**
    * Constructor
    *
@@ -249,7 +244,6 @@ export class TaskDefinitionsComponent implements OnInit, OnDestroy {
     this.form = { q: this.context.q, checkboxes: [] };
     this.itemsSelected = this.context.itemsSelected || [];
 
-    this.appsState$ = this.appsService.appsState();
     this.sharedAboutService.getFeatureInfo()
       .subscribe((featureInfo: FeatureInfo) => {
         this.schedulerEnabled = !!featureInfo.schedulerEnabled;