void IPostBusinessLogic.PatchReact(PostPatchReactDto postPatchReact)
{
PostReact postReact = postReactRepository.GetByFilter(
pr => pr.UserId == postPatchReact.CreatorId && pr.PostId == postPatchReact.Id);
ReactType type = (ReactType)System.Enum.Parse(typeof(ReactType), postPatchReact.Type);
int deltaUpvotes = 0, deltaDownvotes = 0;
if (postReact == null)
{
postReact = new PostReact
{
PostId = postPatchReact.Id,
UserId = postPatchReact.CreatorId,
Type = type
};
postReactRepository.Insert(postReact);
postReactRepository.SaveChanges();
ReactsUtils.UpdateDeltas(ref deltaUpvotes, ref deltaDownvotes, type, ReactType.None);
}
else
{
if (type == ReactType.None)
{
ReactsUtils.UpdateDeltas(ref deltaUpvotes, ref deltaDownvotes, type, postReact.Type);
postReactRepository.Delete(postReact.Id);
postReactRepository.SaveChanges();
}
else if (type != postReact.Type)
{
ReactsUtils.UpdateDeltas(ref deltaUpvotes, ref deltaDownvotes, type, postReact.Type);
postReact.Type = type;
postReactRepository.Update(postReact);
postReactRepository.SaveChanges();
}
}
if (deltaUpvotes != 0 || deltaDownvotes != 0)
{
Post post = postRepository.GetById(postPatchReact.Id);
post.Upvotes += deltaUpvotes;
post.Downvotes += deltaDownvotes;
postRepository.Update(post);
postRepository.SaveChanges();
}
}
void ICommentBusinessLogic.PatchReact(CommentPatchReactDto commentPatchReact)
{
CommentReact commentReact = commentReactRepository.GetByFilter(
cr => cr.UserId == commentPatchReact.CreatorId && cr.CommentId == commentPatchReact.Id);
ReactType type = (ReactType)Enum.Parse(typeof(ReactType), commentPatchReact.Type);
int deltaUpvotes = 0, deltaDownvotes = 0;
if (commentReact == null)
{
commentReact = new CommentReact
{
CommentId = commentPatchReact.Id,
UserId = commentPatchReact.CreatorId,
Type = type
};
commentReactRepository.Insert(commentReact);
commentRepository.SaveChanges();
ReactsUtils.UpdateDeltas(ref deltaUpvotes, ref deltaDownvotes, type, ReactType.None);
}
else
{
if (type == ReactType.None)
{
ReactsUtils.UpdateDeltas(ref deltaUpvotes, ref deltaDownvotes, type, commentReact.Type);
commentReactRepository.Delete(commentReact.Id);
commentReactRepository.SaveChanges();
}
else if (type != commentReact.Type)
{
ReactsUtils.UpdateDeltas(ref deltaUpvotes, ref deltaDownvotes, type, commentReact.Type);
commentReact.Type = type;
commentReactRepository.Update(commentReact);
commentReactRepository.SaveChanges();
}
}
if (deltaUpvotes != 0 || deltaDownvotes != 0)
{
Comment comment = commentRepository.GetById(commentPatchReact.Id);
comment.Upvotes += deltaUpvotes;
comment.Downvotes += deltaDownvotes;
commentRepository.Update(comment);
commentRepository.SaveChanges();
}
}