AFnetworking downloading multiple files - objective-c

Question

I'm using this code to loop through an array to download multiple files and write to disk.
-(void)download
{
//set url paths
for (NSString *filename in syncArray)
{
NSString *urlpath = [NSString stringWithFormat:#"http://foo.bar/photos/%#", filename];
NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:urlpath]];
AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request];
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *path = [[paths objectAtIndex:0] stringByAppendingPathComponent:filename];
operation.outputStream = [NSOutputStream outputStreamToFileAtPath:path append:NO];
[operation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) {
NSLog(#"Successfully downloaded file to %#", path);
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(#"Error: %#", error);
}];
[operation start];
but the problem is it calls the success block after each file is done, (which it should) but I just need one final call back to reload some data and end a progress HUD.
Any pointers in the right direction would be great.

Answer 1

Maybe someday this will help someone, but I was able to use a workaround that probably has major issues but its okay for my simple usage.
I just deleted each line from the sync array after it was processed then ran my code i needed.
[operation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) {
NSLog(#"Successfully downloaded file to %#", path);
[SVProgressHUD showWithStatus:#"Updating Photos"];
[syncArray removeObject:filename];
if (!syncArray || !syncArray.count)
{
NSLog(#"array empty");
[[NSNotificationCenter defaultCenter] postNotificationName:#"TestNotification" object:self];
[SVProgressHUD dismissWithSuccess:#"Photos Updated"];
}

Answer 2

You can use AFHTTPClient to enqueueBatchOperations and this has a completionBlock which is called when all operations are finished. Should be exactly what you're looking for.