public ActionResult Create(Question question)
{
if (!ModelState.IsValid)
{
return View(question);
}
var user =MongoHelper.GetCollection<User>("users").AsQueryable().First(u => u.UserName == HttpContext.User.Identity.Name);
var questions = MongoHelper.GetCollection<Question>("questions");
question.DateAsked = DateTime.Now.ToShortDateString();
question.UserId = user.UserId;
var saveResult =questions.Save(question);
if(!saveResult.Ok)
{
ModelState.AddModelError("", saveResult.ErrorMessage);
return View(question);
}
var questionViewModel = MongoHelper.GetQuestionViewModel(question, HttpContext.User.Identity.Name);
var jsonString = questionViewModel == null ? "{}" : questionViewModel.ToJson();
GlobalHost.ConnectionManager.GetHubContext<QuestionHub>().Clients.All.showQuestion(jsonString);
return RedirectToAction("Create");
}
/// <summary>
/// Check if a user is making a new vote
/// </summary>
/// <param name="question"></param>
/// <param name="voteviewModel"></param>
/// <param name="isUpVote"></param>
private void NewQuestionVoteByUser(Question question, VoteViewModel voteviewModel, bool isUpVote)
{
UserVote userVote = new UserVote();
userVote.User =
MongoHelper.GetCollection<User>("users").AsQueryable().FirstOrDefault(
u => u.UserName == HttpContext.Current.User.Identity.Name);
userVote.Upvote += (isUpVote) ? QuestionUpvote : QuestionDownVote;
question.Vote.UserVotes.Add(userVote);
if (isUpVote)
{
userVote.SelectedUpVotePath = voteviewModel.SelectedUpVotePath = voteviewModel.UpVotePath;
Clients.Caller.updateQuestionUpVoteImage(voteviewModel.SelectedUpVotePath);
}
else
{
userVote.SelectedDownVotePath = voteviewModel.SelectedDownVotePath = voteviewModel.DownVotePath;
Clients.Caller.updateQuestionDownVoteImage(voteviewModel.SelectedDownVotePath);
}
}
/// <summary>
/// User is making a change to an existing vote
/// </summary>
/// <param name="question"></param>
/// <param name="voteviewModel"></param>
/// <param name="userVote"></param>
/// <param name="isUpVote"></param>
private void ReestablishUserVoteChanges(Question question, VoteViewModel voteviewModel, UserVote userVote,
bool isUpVote)
{
if (isUpVote)
{
userVote.SelectedDownVotePath = "";
if (userVote.Upvote == QuestionUpvote)
{
Clients.Caller.updateQuestionUpVoteImage(voteviewModel.NoUpVotePath);
userVote.SelectedUpVotePath = "";
userVote.Upvote = 0;
question.Vote.UserVotes.Remove(userVote);
}
else
{
Clients.Caller.updateQuestionUpVoteImage(voteviewModel.UpVotePath);
userVote.SelectedUpVotePath = voteviewModel.UpVotePath;
userVote.Upvote = QuestionUpvote;
}
}
else
{
userVote.SelectedUpVotePath = "";
if (userVote.Upvote == QuestionDownVote)
{
Clients.Caller.updateQuestionDownVoteImage(voteviewModel.NoDownVotePath);
userVote.SelectedDownVotePath = "";
userVote.Upvote = 0;
question.Vote.UserVotes.Remove(userVote);
}
else
{
Clients.Caller.updateQuestionDownVoteImage(voteviewModel.DownVotePath);
userVote.SelectedDownVotePath = voteviewModel.DownVotePath;
userVote.Upvote = QuestionDownVote;
}
}
}