public async Task <IActionResult> MarkChat(CourseStudentModuleChat model)
        {
            await _coursesRepository.InsertComment(new Comments
            {
                Comment = model.Comment,
                UserId  = model.UserId,
                MarkId  = model.MarkId
            });

            return(RedirectToAction("MarkChat", new { markId = model.MarkId }));
        }
        public async Task <IActionResult> MarkChat(int markId)
        {
            Mark res = await _coursesRepository.GetMarkById(markId);

            if (res == null)
            {
                return(RedirectToAction("Index", "Courses", new { error = "Ви вибрали неіснуючу оцінку" }));
            }
            List <Comments> comments = await _coursesRepository.GetCommentByMarkId(markId);

            CourseStudentModuleChat courseStudentModuleChat = new CourseStudentModuleChat()
            {
                Mark     = res,
                Comments = comments,
                MarkId   = res.MarkId,
                UserId   = (await _userManager.FindByNameAsync(User.Identity.Name)).Id
            };

            return(View(courseStudentModuleChat));
        }