public void AddPost(Posts post)
 {
     try
     {
         if (ModelState.IsValid)
         {
             var reciever = userOperations.Get(post.RecieverId);
             var _post    = new Posts()
             {
                 Description = post.Description,
                 Sender      = userOperations.Get(User.Identity.GetUserId()),
                 Reciever    = reciever,
                 Date        = DateTime.Now
             };
             postOperations.Add(_post);
             postOperations.Save();
         }
         else
         {
             throw new Exception();
         }
     }
     catch (Exception ex)
     {
     }
 }