message: Send notification about deleted course before deleting course
diff: @@ -183,14 +183,14 @@ export class GeneralTabComponent implements OnInit {
  if (!res) {
  return;
  }
  - await this.courseService.deleteItem(this.courseOb);
  - await this.router.navigate(['/']);
  - this.notificationService.createItem({
  + await this.notificationService.createItem({
  changedCourse: this.courseOb,
  changedLecture: null,
  changedUnit: null,
  text: 'Course ' + this.courseOb.name + ' has been deleted.'
  });
  + await this.courseService.deleteItem(this.courseOb);
  + this.router.navigate(['/']);
  });
  }
  }
  