public ActionResult SendTest(ExaminationForLevelViewModel model)
 {
     if (!ModelState.IsValid)
     {
         return(View("SelectStudents", model));
     }
     if (model.Students.Where(x => x.IsChecked == false).Count() == model.Students.Count)
     {
         this.ModelState.AddModelError("", Common.ChooseOneStudent);
         return(View("SelectStudents", model));
     }
     foreach (var item in model.Students)
     {
         if (item.IsChecked)
         {
             if (!this.levelTestForSolvingService.HasTest(item.Id, model.LevelId))
             {
                 this.levelTestForSolvingService.Add(new LevelTestForSolving
                 {
                     CourseLevelId = model.LevelId,
                     StudentId     = item.Id
                 });
             }
             var student = this.studentService.GetById(item.Id);
             this.notificationService.Add(new Notification
             {
                 UserId  = student.ApplicationUserId,
                 Content = "^d3357bfa357649c2859fd8041a445ef4^",
                 Link    = "/LevelTestForSolving"
             });
         }
     }
     return(Redirect("/"));
 }
        public ActionResult SelectStudents(int id)
        {
            if (this.BellongToCurrentUser(id))
            {
                var courseId = this.courseLevelService.GetById(id).CourseId;
                var students = this.studentService.GetStudentsWithoutCourseLevelForCourse(id, courseId);

                var convertedStudents = students.ToList().ConvertAll(x =>
                                                                     new StudentViewModel
                {
                    FullName = x.ApplicationUser.FirstName + " " +
                               x.ApplicationUser.SecondName + " " +
                               x.ApplicationUser.LastName,
                    Id        = x.Id,
                    IsChecked = false
                }).ToList();
                var viewModel = new ExaminationForLevelViewModel
                {
                    LevelId  = id,
                    Students = convertedStudents
                };
                return(View(viewModel));
            }
            return(Redirect("/"));
        }