Pictures at URL

gistfile1.txt

- (NSArray *)_picturesInDirectoryAtURL:(NSURL *)URL
{
    NSMutableArray *tmpArray = [NSMutableArray array];
    
    NSArray *keys = [NSArray arrayWithObjects:
                     NSURLIsDirectoryKey, NSURLIsPackageKey, NSURLLocalizedNameKey, nil];
    
    NSDirectoryEnumerator *enumerator = [[NSFileManager defaultManager]
                                         enumeratorAtURL:URL
                                         includingPropertiesForKeys:keys
                                         options:(NSDirectoryEnumerationSkipsPackageDescendants | NSDirectoryEnumerationSkipsHiddenFiles)
                                         errorHandler:^(NSURL *url, NSError *error) {
                                             NSLog(@"%@", [error localizedDescription]);
                                             // Handle the error.
                                             // Return YES if the enumeration should continue after the error.
                                             return NO;
                                         }];
    
    // enumerator goes into depth too!
    for (NSURL *url in enumerator)
    {
        NSNumber *isDirectory = nil;
        [url getResourceValue:&isDirectory forKey:NSURLIsDirectoryKey error:NULL];
        
        if (![isDirectory boolValue])
        {
            if ([[url path] isImageFileName])
            {
                ModelPicture *picture = [[ModelPicture alloc] initWithURL:url];
                [tmpArray addObject:picture];
            }
        }
    }
    
    return tmpArray;
}