public bool LikeAnswer(int answerId)
{
Answer answer = GetAnswerById(answerId);
if (answer == null)
{
return false;
}
var currentUser = GetCurrentUser();
if (currentUser == null)
{
return false;
}
if (_context.AnswerLikes.Any(like => like.ApplicationUserId == currentUser.Id && like.AnswerId == answer.AnswerId && like.Active))
{
return false;
}
else
{
var answerLike = new AnswerLike()
{
Active = true,
Answer = answer,
ApplicationUser = currentUser,
TimeStamp = DateTime.Now
};
using (var transaction = _context.Database.BeginTransaction())
{
_context.AnswerLikes.Add(answerLike);
try
{
_context.SaveChanges();
answerLike.AddNotification();
_context.SaveChanges();
transaction.Commit();
return true;
}
catch (Exception e)
{
return false;
}
}
}
}
private ActionResult GetAnswerLikedNotificationPartialView(AnswerLike answerLike, bool seen)
{
var model = GetAnswerLikeNotificationModel(answerLike, seen);
return PartialView("AnswerLikeNotification", model);
}
private AnswerLikeNotificationViewModel GetAnswerLikeNotificationModel(AnswerLike like, bool seen)
{
var type = IsCurrentUser(like.Answer.User.UserName) ? AnswerLikeNotificationViewModel.AnswerLikeNotificationTypeEnum.CurrentUserAnswer :
AnswerLikeNotificationViewModel.AnswerLikeNotificationTypeEnum.OtherUsers;
var model = new AnswerLikeNotificationViewModel(like, seen)
{
AnswerId = like.AnswerId,
AnswerLikeNotificationType = type,
AnswerUser = GetProfileFor(like.Answer.User),
LikingUser = GetProfileFor(like.ApplicationUser),
TimeStamp = like.TimeStamp
};
return model;
}
