public VoteResult Downvote(int threadId, int userId)
{
var thread = _context.Threads.Include(u => u.User)
.Include(v => v.Votes).ThenInclude(u => u.VoteBy)
.Include(c => c.Comments)
.First(x => x.ThreadId == threadId);
var user = _context.Users.First(x => x.UserId == userId);
var vote = thread.Votes.FirstOrDefault(x => x.VoteBy.UserId == user.UserId);
if (vote == null)
{
vote = new ThreadVote()
{
VoteScore = -1,
VoteBy = user
};
thread.Votes.Add(vote);
}
else
{
vote.VoteScore = vote.VoteScore == -1 ? 0 : -1;
}
_context.SaveChanges();
return(new VoteResult()
{
Score = thread.Votes.Sum(x => x.VoteScore),
DidScoreIncrease = vote.VoteScore == 0,
});
}
public int CreateThread(Thread thread)
{
var entityThread = _mapper.Map <DAL.Entities.Thread>(thread);
entityThread.Created = DateTime.Now;
entityThread.Modified = DateTime.Now;
var threadVote = new ThreadVote()
{
VoteBy = entityThread.User,
VoteScore = 1
};
entityThread.Votes.Add(threadVote);
_context.Threads.Add(entityThread);
_context.SaveChanges();
return(entityThread.ThreadId);
}