/// <summary>
/// Check if a user is making a new vote
/// </summary>
/// <param name="answer"></param>
/// <param name="voteviewModel"></param>
/// <param name="isUpVote"></param>
private void NewAnswerVoteByUser(Answer answer, 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) ? AnswerUpvote : AnswerDownVote;
answer.Vote.UserVotes.Add(userVote);
if (isUpVote)
{
userVote.SelectedUpVotePath = voteviewModel.SelectedUpVotePath = voteviewModel.UpVotePath;
Clients.Caller.updateAnswerUpVoteImage(answer.AnswerId.ToString(),voteviewModel.SelectedUpVotePath);
}
else
{
userVote.SelectedDownVotePath = voteviewModel.SelectedDownVotePath = voteviewModel.DownVotePath;
Clients.Caller.updateAnswerDownVoteImage(answer.AnswerId.ToString(),voteviewModel.SelectedDownVotePath);
}
}
/// <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="answer"></param>
/// <param name="voteviewModel"></param>
/// <param name="userVote"></param>
/// <param name="isUpVote"></param>
private void ReestablishUserVoteChanges(Answer answer, VoteViewModel voteviewModel, UserVote userVote,
bool isUpVote)
{
if (isUpVote)
{
userVote.SelectedDownVotePath = "";
if (userVote.Upvote == AnswerUpvote)
{
Clients.Caller.updateAnswerUpVoteImage(answer.AnswerId.ToString(),voteviewModel.NoUpVotePath);
userVote.SelectedUpVotePath = "";
userVote.Upvote = 0;
answer.Vote.UserVotes.Remove(userVote);
}
else
{
Clients.Caller.updateAnswerUpVoteImage(answer.AnswerId.ToString(),voteviewModel.UpVotePath);
userVote.SelectedUpVotePath = voteviewModel.UpVotePath;
userVote.Upvote = AnswerUpvote;
}
}
else
{
userVote.SelectedUpVotePath = "";
if (userVote.Upvote == AnswerDownVote)
{
Clients.Caller.updateAnswerDownVoteImage(answer.AnswerId.ToString(),voteviewModel.NoDownVotePath);
userVote.SelectedDownVotePath = "";
userVote.Upvote = 0;
answer.Vote.UserVotes.Remove(userVote);
}
else
{
Clients.Caller.updateAnswerDownVoteImage(answer.AnswerId.ToString(),voteviewModel.DownVotePath);
userVote.SelectedDownVotePath = voteviewModel.DownVotePath;
userVote.Upvote = AnswerDownVote;
}
}
}
/// <summary>
/// Contains logic to prevent a user is voting him or herself, otherwise apply votes and show proper image.
/// </summary>
/// <param name="answerid"></param>
/// <param name="isUpVote"></param>
private void UpdateVote(string answerid, bool isUpVote)
{
var answer = MongoHelper.GetCollection<Answer>("answers").AsQueryable().FirstOrDefault(a => a.AnswerId == new ObjectId(answerid));
if (answer == null)
{
return;
}
var answerer = MongoHelper.GetCollection<User>("users").AsQueryable().FirstOrDefault(u => u.UserId == answer.UserId);
if (answerer == null)
{
return;
}
VoteViewModel voteviewModel = new VoteViewModel();
if (answerer.UserName.Equals(HttpContext.Current.User.Identity.Name) || !HttpContext.Current.User.Identity.IsAuthenticated)
{
if (isUpVote)
{
Clients.Caller.updateAnswerUpVoteImage(answerid,voteviewModel.NoUpVotePath);
}
else
{
Clients.Caller.updateAnswerDownVoteImage(answerid,voteviewModel.NoDownVotePath);
}
int currVote = answer.Vote.UserVotes.Sum(uv => uv.Upvote);
Clients.Caller.updateAnswerVote(answerid,currVote,
answerer.UserName.Equals(HttpContext.Current.User.Identity.Name)
? "You cannot vote your own answer"
: "You must be logged in to vote");
}
else
{
UserVote userVote = answer.Vote.UserVotes.FirstOrDefault(uv => uv.User.UserName == HttpContext.Current.User.Identity.Name);
if (userVote == null)
{
NewAnswerVoteByUser(answer, voteviewModel, isUpVote);
}
else
{
ReestablishUserVoteChanges(answer, voteviewModel, userVote, isUpVote);
}
MongoHelper.GetCollection<Answer>("answers").Save(answer);
int currVote = answer.Vote.UserVotes.Sum(uv => uv.Upvote);
Clients.All.updateAnswerVote(answer.AnswerId.ToString(),currVote, "");
}
}
/// <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;
}
}
}
/// <summary>
/// Contains logic to prevent a user is voting him or herself, otherwise apply votes and show proper image.
/// </summary>
/// <param name="questionid"></param>
/// <param name="isUpVote"></param>
private void UpdateVote(string questionid, bool isUpVote)
{
var question = MongoHelper.GetCollection<Question>("questions").AsQueryable().FirstOrDefault(q => q.QuestionId == new ObjectId(questionid));
if (question == null)
{
return;
}
var asker = MongoHelper.GetCollection<User>("users").AsQueryable().FirstOrDefault(u => u.UserId == question.UserId);
if (asker == null)
{
return;
}
VoteViewModel voteviewModel = new VoteViewModel();
if (asker.UserName.Equals(HttpContext.Current.User.Identity.Name) || !HttpContext.Current.User.Identity.IsAuthenticated)
{
if (isUpVote)
{
Clients.Caller.updateQuestionUpVoteImage(voteviewModel.NoUpVotePath);
}
else
{
Clients.Caller.updateQuestionDownVoteImage(voteviewModel.NoDownVotePath);
}
int currVote = question.Vote.UserVotes.Sum(uv => uv.Upvote);
Clients.Caller.updateQuestionVote(currVote,
asker.UserName.Equals(HttpContext.Current.User.Identity.Name)
? "You cannot vote your own question"
: "You must be logged in to vote");
}
else
{
UserVote userVote = question.Vote.UserVotes.FirstOrDefault(uv => uv.User.UserName == HttpContext.Current.User.Identity.Name);
if (userVote == null)
{
NewQuestionVoteByUser(question, voteviewModel, isUpVote);
}
else
{
ReestablishUserVoteChanges(question, voteviewModel, userVote, isUpVote);
}
MongoHelper.GetCollection<Question>("questions").Save(question);
int currVote = question.Vote.UserVotes.Sum(uv => uv.Upvote);
Clients.All.updateQuestionVote(currVote, "");
}
}