public static async Task <HttpResponseMessage> Run([HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = "getposts/{blogname}")] HttpRequestMessage req,
string blogname, TraceWriter log)
{
Startup.Init();
PostsGetter postsGetter = new PostsGetter();
GetPostsResult result = await postsGetter.GetPosts(log, blogname);
return(req.CreateResponse(HttpStatusCode.OK, "Queued " + result.TotalReceived + "/" + result.TotalInBlog + " posts for processing, success " + result.Success));
}
public static async Task Run([TimerTrigger("0 25 * * * *")] TimerInfo myTimer, TraceWriter log)
{
Startup.Init();
log.Info($"C# Timer trigger function executed at: {DateTime.Now}");
BlogToFetchQueueAdapter blogToFetchQueueAdapter = new BlogToFetchQueueAdapter();
blogToFetchQueueAdapter.Init();
BlogInfoTableAdapter blogInfoTableAdapter = new BlogInfoTableAdapter();
blogInfoTableAdapter.Init();
PostsGetter postsGetter = new PostsGetter();
Stopwatch stopwatch = Stopwatch.StartNew();
bool success; // basically means that can the message be deleted, or if it needs to be left in queue to be resumed later
do
{
//TODO: error handling, if there is error from e.g. postsGetter
CloudQueueMessage message = await blogToFetchQueueAdapter.GetNextMessage();
if (message == null)
{
return;
}
BlogToFetch blogToFetch = JsonConvert.DeserializeObject <BlogToFetch>(message.AsString);
BlogEntity blogEntity = await blogInfoTableAdapter.GetBlog(blogToFetch.Blogname);
long timeoutLeft = 270 - stopwatch.ElapsedMilliseconds / 1000;
if (timeoutLeft < 10)
{
return;
}
success = false;
GetPostsResult result = null;
if (blogToFetch.NewerThan.HasValue)
{
result = await postsGetter.GetNewerPosts(log, blogToFetch.Blogname, blogToFetch.NewerThan.Value, timeoutLeft);
if (result.Success)
{
success = true;
}
}
int offset = 0;
if (blogEntity?.FetchedUntilOffset != null && !blogToFetch.UpdateNpf)
{
offset = blogEntity.FetchedUntilOffset.Value;
}
if (result != null)
{
offset += (int)result.TotalReceived;
}
if (blogEntity != null && (!blogEntity.FetchedUntilOffset.HasValue || blogEntity.FetchedUntilOffset.Value < Constants.MaxPostsToFetch))
{
result = await postsGetter.GetPosts(log, blogToFetch.Blogname, offset, timeoutSeconds : timeoutLeft, updateNpf : blogToFetch.UpdateNpf);
if (result.Success)
{
success = true;
}
}
else
{
success = true; // enough fetched already, message can be deleted
}
if (success)
{
await blogToFetchQueueAdapter.DeleteMessage(message);
}
} while (success);
}
