public bool RemoveUser(long userID)
{
return(m_Locker.Synchronized(userID, () =>
{
var deleted = TBL_USER.Remove(userID);
if (!deleted)
{
return false;
}
var posts = TBL_USERPOST.Get(userID) as List <long>;
if (posts == null)
{
return true;
}
TBL_USERPOST.Remove(userID); //todo Rewrite with table.RemoveReturning()
foreach (var postID in posts)
{
TBL_POST.Remove(postID);
}
return true;
}));
}
public bool PutPost(Post post)
{
return(m_Locker.Synchronized(post.UserID, () =>
{
TBL_POST.Put(post.PostID, post);
var uposts = TBL_USERPOST.Get(post.UserID) as List <long>;
if (uposts == null)
{
uposts = new List <long>();
}
if (uposts.Any(id => id == post.PostID))
{
return false;
}
if (uposts.Count > 25)
{
uposts.RemoveAt(0);
}
uposts.Add(post.PostID);
var pr = TBL_USERPOST.Put(post.UserID, uposts);
return true;
}));
}
public bool RemovePost(long postID)
{
var post = TBL_POST.Get(postID) as Post;
if (post == null)
{
return(false);
}
return(m_Locker.Synchronized(post.UserID, () =>
{
var result = TBL_POST.Remove(postID);
TBL_USERPOST.Remove(post.UserID);
return result;
}));
}
public IEnumerable <Post> GetUserPosts(long userID, out User user)
{
user = TBL_USER.Get(userID) as User;
if (user == null)
{
return(Enumerable.Empty <Post>());
}
return(m_Locker.Synchronized(userID, () =>
{
var posts = TBL_USERPOST.Get(userID) as List <long>;
if (posts == null)
{
return Enumerable.Empty <Post>();
}
return posts.Select(pid => TBL_POST.Get(pid) as Post).Where(p => p != null);
}));
}
public bool VotePost(long postID, int count)
{
var post = TBL_POST.Get(postID) as Post;
if (post == null)
{
return(false);
}
return(m_Locker.Synchronized(post.UserID, () =>
{
if (count > 0)
{
post.Up += count;
}
else
{
post.Down -= count;
}
TBL_USERPOST.Put(post.PostID, post);
return true;
}));
}
