private MentorShip UpdateStatusAddMsg(MentorStatusUpdateVm model)
        {
            var user = CurrentUser;
            var mentor = _db.MentorShips.Include(m => m.Messages).Single(m => m.MentorShipId == model.Id);
            if (!user.IsAdmin() && mentor.AlumniId != user.UserId && mentor.StudentId != user.UserId)
            {
                LogUnAuth();
                throw new Exception(Strings.UnAuthAccess);
            }
            if (ModelState.IsValid)
            {
                if (mentor.Status != model.Status)
                {
                    if (model.Status == MentorStatusType.AdminApproved)
                    {
                        if (model.AcUserId == 0)
                        {
                            ModelState.AddModelError("", "Select Mentor");
                            return null;
                        }
                        else
                        {
                            var mentorUser = _db.Users.Find(model.AcUserId);
                            mentor.AlumniId = mentorUser.UserId;
                            mentor.AlumniName = mentorUser.FullName;
                            //MailSrv.SendMailAsync(mentorUser, "You have new mentoring request.", "NITCAA - Mentoring Request", null);
                        }
                    }

                    mentor.Status = model.Status == MentorStatusType.Message ? mentor.Status : model.Status;
                    var msg = GetUserMsg(model.Status);
                    var message = new MentorMessage
                    {
                        MentorShipId = mentor.MentorShipId,
                        Status = model.Status,
                        SenderId = CurrentUserId,
                        Date = DateTime.UtcNow,
                        Text = string.IsNullOrWhiteSpace(model.Message)
                                        ? msg
                                        : model.Message,
                        SenderName = CurrentUser.FullName,
                    };
                    _db.Entry(mentor).State = System.Data.EntityState.Modified;
                    _db.MentorMessages.Add(message);
                    _db.SaveChanges();
                }
            }
            return mentor;
        }
 public ActionResult MentorRequest(MentorRequestVm model)
 {
     if (ModelState.IsValid)
     {
         var student = CurrentUser;
         var mentor = new MentorShip
         {
             StartDate = DateTime.UtcNow,
             AlumniId = 0,
             StudentId = model.StudentId,
             AlumniName = "NA",
             StudentName = student.FullName,
         };
         var message = new MentorMessage
         {
             Status = mentor.Status,
             SenderId = student.UserId,
             Date = DateTime.UtcNow,
             Text = model.Message,
             MentorShipId = mentor.MentorShipId,
             SenderName = student.FullName
         };
         _db.MentorShips.Add(mentor);
         _db.MentorMessages.Add(message);
         _db.SaveChanges();
         model.IsDone = true;
     }
     return View(model);
 }