Build an App with Firebase

Author: angular-academy-devs

01-getting-started-with-angular2/final-project/src/app/shared/model/lessons.service.ts

@@ -76,7 +76,10 @@ export class LessonsService {
 
 
  requestLessonDeletion(lessonId:string, courseId:string) {
- this.dbRef.child('queue/tasks').push(new DeleteLessonRequest(lessonId, courseId));
+ this.dbRef.child('queue/tasks').push(new DeleteLessonRequest(lessonId, courseId))
+ .then(
+ () => alert('lesson deletion requested !')
+ );
  }