- (void)contextDidChange:(NSNotification *)notif {
  NSLog(@"Context Did Change: %@", notif);
  NSMutableSet *insertedObjects = [NSMutableSet setWithSet:[[notif userInfo] valueForKey:NSInsertedObjectsKey]];
  NSMutableSet *updatedObjects = [NSMutableSet setWithSet:[[notif userInfo] valueForKey:NSUpdatedObjectsKey]];

  [updatedObjects enumerateObjectsUsingBlock:^(id obj, BOOL *stop) {
    CacheObject * object = obj;
    if ([object id] == 0) {
      [insertedObjects addObject:obj];
      return;
    }
    if (object.dirty) {
      MFormRequest *request = [MFormRequest requestForLocalObject:object];

      request.requestMethod = @"PUT";
      [request setPostCacheObject:object forKey:[NSStringFromClass([object class]) lowercaseString]];
      [request startAsynchronous];
    }
  }];

  [insertedObjects enumerateObjectsUsingBlock:^(id obj, BOOL *stop) {
    CacheObject * object = obj;
    if ([[object id] intValue] == 0) {
      NSString *resource = [[NSStringFromClass([object class]) lowercaseString] stringByAppendingString:@"s"];
      MFormRequest *request = [MFormRequest requestWithPath:resource];
      request.userInfo = [NSDictionary dictionaryWithObject:object forKey:kMManagedObjectContextNewObject];

      request.requestMethod = @"POST";
      [request setPostCacheObject:object forKey:[NSStringFromClass([object class]) lowercaseString]];
      [request setCompletionBlock:^ {
        CacheObject *cacheObject = [request.userInfo valueForKey:kMManagedObjectContextNewObject];
        NSDictionary *dict = [[[request responseString] JSONValue] valueForKey:[NSStringFromClass([cacheObject class]) lowercaseString]];
        [cacheObject updateWithDictionary:dict];
      }];
      [request startAsynchronous];
    }
  }];

}