public async Task <CommentViewModel> Add(AddCommentViewModel model)
{
var hashIds = new Hashids(minHashLength: 5);
var comment = await StoriesDbContext.Comments.AddAsync(new Comment {
ParentCommentId = string.IsNullOrEmpty(model.ParentCommentHashId) ? null : hashIds.Decode(model.ParentCommentHashId)?.First(),
ContentMarkdown = model.CommentMarkdown,
Content = CommonMarkConverter.Convert(model.CommentMarkdown),
StoryId = hashIds.Decode(model.StoryHashId).First(),
UserId = model.UserId
});
await StoriesDbContext.SaveChangesAsync();
VoteQueueService.QueueCommentVote(comment.Entity.Id);
return(await MapCommentToCommentViewModel(comment.Entity));
}
public async Task <bool> ToggleCommentVote(string hashId, Guid userId)
{
var commentId = new Hashids(minHashLength: 5).Decode(hashId)?.FirstOrDefault();
if (commentId == 0)
{
return(false);
}
var comment = await StoriesDbContext.Comments.Include(v => v.Votes).Where(o => o.Id == commentId).FirstOrDefaultAsync();
if (comment == null)
{
return(false);
}
var vote = comment.Votes.FirstOrDefault(v => v.UserId == userId);
if (vote != null)
{
comment.Upvotes--;
return(await DeleteVote(vote) > 0);
}
vote = new Vote
{
CommentId = commentId,
UserId = userId,
};
comment.Upvotes++;
VoteQueueService.QueueCommentVote(comment.Id);
return(await AddVote(vote) > 0);
}