public IActionResult AddCommentCourseTeacher(CommentCourseTeacherViewModel commentCourseTeacherView) { if (!ModelState.IsValid) { return(Content(JsonConvert.SerializeObject("Not valid"))); } commentCourseTeacherView.UserId = Convert.ToInt32(_signInManager.UserManager.GetUserId(User)); _commentService.AddCommentCourseTeacher( _mapper.Map <CommentCourseTeacherViewModel, CommentCourseTeacherDto>(commentCourseTeacherView)); return(RedirectToAction("AddComment", "Comment")); }