private void OnGetApiKeyRPCCompleted(object sender, XMLRPCCompletedEventArgs <Blog> args)
{
//the blog is updated by the rpc. all we have to do here is unbind
GetApiKeyRPC rpc = sender as GetApiKeyRPC;
rpc.Completed -= OnGetApiKeyRPCCompleted;
//check for empty args.Items, self-hosted blogs will return null here
Blog newBlog;
if (args.Items.Count == 0)
{
newBlog = rpc.blog;
}
else
{
newBlog = args.Items[0];
}
_trackedBlogs.Add(newBlog);
this.DebugLog("Blog '" + newBlog.BlogName + "' is now downloading data.");
//start with the comments
GetAllCommentsRPC getCommentsRPC = new GetAllCommentsRPC(newBlog);
getCommentsRPC.Number = CHUNK_SIZE;
getCommentsRPC.Offset = 0;
getCommentsRPC.Completed += OnGetNewBlogCommentsCompleted;
getCommentsRPC.ProgressChanged += OnGetCommentsRPCProgressChanged;
getCommentsRPC.ExecuteAsync();
}
private void OnGetCommentsRPCProgressChanged(object sender, ProgressChangedEventArgs args)
{
GetAllCommentsRPC rpc = sender as GetAllCommentsRPC;
Blog newBlog = _trackedBlogs.Where(blog => blog.BlogId == rpc.BlogId).FirstOrDefault();
if (null != newBlog)
{
this.DebugLog("OnGetCommentsRPCProgressChanged-- Blog: " + newBlog.BlogName);
}
this.DebugLog("GetCommentsProgressChanged-- Progress: " + args.ProgressPercentage.ToString());
this.DebugLog("GetCommentsProgressChanged-- UserState: " + args.UserState);
}
public bool FetchCurrentBlogCommentsAsync(bool more)
{
if (null == CurrentBlog)
{
throw new ArgumentException("CurrentBlog may not be null", "CurrentBlog");
}
//we're already downloading data here--don't allow scenarios where we could be
//kicking off another download
if (_trackedBlogs.Contains(CurrentBlog))
{
return(false);
}
CurrentBlog.showLoadingIndicator();
int numerberOfComments = 0;
if (more)
{
numerberOfComments = Math.Max(CurrentBlog.Comments.Count, CHUNK_SIZE);
if (CurrentBlog.HasOlderComments)
{
numerberOfComments += CHUNK_SIZE;
}
else
{
//removing this block you will enable the refresh of comments when reached the end of the list and no more comments are available
CurrentBlog.hideLoadingIndicator();
return(false);
}
}
else
{
numerberOfComments = CHUNK_SIZE;
}
CurrentBlog.IsLoadingComments = true;
GetAllCommentsRPC rpc = new GetAllCommentsRPC(CurrentBlog);
rpc.Number = numerberOfComments;
rpc.Offset = 0;
rpc.Completed += OnFetchCurrentBlogCommentsCompleted;
rpc.ExecuteAsync();
return(true);
}
private void OnGetNewBlogCommentsCompleted(object sender, XMLRPCCompletedEventArgs <Comment> args)
{
GetAllCommentsRPC rpc = sender as GetAllCommentsRPC;
rpc.Completed -= OnGetNewBlogCommentsCompleted;
rpc.ProgressChanged -= OnGetCommentsRPCProgressChanged;
Blog newBlog = _trackedBlogs.Where(blog => blog.BlogId == rpc.BlogId).FirstOrDefault();
if (null == newBlog)
{
return;
}
//report the error, but keep trying to get data
if (null != args.Error)
{
this.DebugLog("OnFetchNewBlogCommentsCompleted: Exception occurred (" + newBlog.BlogName + ")");
this.DebugLog(args.Error.ToString());
NotifyExceptionOccurred(new ExceptionEventArgs(args.Error));
}
else
{
foreach (Comment comment in args.Items)
{
newBlog.Comments.Add(comment);
}
this.DebugLog("Blog '" + newBlog.BlogName + "' has finished downloading comments.");
}
this.DebugLog("Blog '" + newBlog.BlogName + "' has finished downloading comments.");
if (newBlog == CurrentBlog)
{
NotifyFetchComplete();
}
//get the posts for the new blog
GetRecentPostsRPC recentPostsRPC = new GetRecentPostsRPC(newBlog);
recentPostsRPC.NumberOfPosts = CHUNK_SIZE;
recentPostsRPC.Completed += OnGetNewBlogRecentPostsCompleted;
recentPostsRPC.ProgressChanged += OnGetNewBlogRecentPostsRPCProgressChanged;
recentPostsRPC.ExecuteAsync();
}
private void OnFetchCurrentBlogCommentsCompleted(object sender, XMLRPCCompletedEventArgs <Comment> args)
{
GetAllCommentsRPC rpc = sender as GetAllCommentsRPC;
rpc.Completed -= OnFetchCurrentBlogCommentsCompleted;
CurrentBlog.IsLoadingComments = false;
if (null == args.Error)
{
int prevCommentsCount = CurrentBlog.Comments.Count;
CurrentBlog.Comments.Clear();
// If we asked for more and we got what we had, there are no more posts to load
if (rpc.Number > CHUNK_SIZE && (args.Items.Count <= prevCommentsCount))
{
CurrentBlog.HasOlderComments = false;
}
else if (rpc.Number == CHUNK_SIZE)
{
//we should reset the flag otherwise when you refresh this blog you can't get more than CHUNK_SIZE comments
CurrentBlog.HasOlderComments = true;
}
foreach (Comment comment in args.Items)
{
CurrentBlog.Comments.Add(comment);
}
NotifyFetchComplete();
}
else
{
NotifyExceptionOccurred(new ExceptionEventArgs(args.Error));
}
CurrentBlog.hideLoadingIndicator();
}