spotsWithURLString:near:parameters:block: in AEURLConnection

gistfile1.m

+ (void)spotsWithURLString:(NSString *)urlString near:(CLLocation *)location parameters:(NSDictionary *)parameters block:(void (^)(NSArray *records))block {
    NSDictionary *mutableParameters = [NSMutableDictionary dictionaryWithDictionary:parameters];
	if (location) {
		[mutableParameters setValue:[NSString stringWithFormat:@"%1.7f", location.coordinate.latitude] forKey:@"lat"];
		[mutableParameters setValue:[NSString stringWithFormat:@"%1.7f", location.coordinate.longitude] forKey:@"lng"];
	}
    
    // AFGowallaAPIClient would manage an instance of AEURLRequestFactory set with authorization headers,
    // and offer +baseURL with the API's base URL.
    NSURLRequest *request = [[AFGowallaAPIClient requestFactory] requestWithURL:[[AFGowallaAPIClient baseURL] URLByAppendingPathComponent:urlString]
                                                                         method:@"GET"
                                                                     parameters:mutableParameters];
    
    [AEURLConnection sendAsynchronousRequest:request 
                                       queue:[NSOperationQueue mainQueue]
                                   processor:[AEURLConnection chainedResponseProcessor:
                                              [AEExpect contentType:[AEJSONProcessor defaultAcceptableJSONContentTypes]],
                                              [AEExpect statusCode:[AEExpect defaultAcceptableStatusCodes]],
                                              [AEJSONProcessor JSONResponseProcessor],
                                              [AEExpect responseClass:[NSDictionary class]],
                                              ^(NSURLResponse *response, NSDictionary *object, NSError **error) {
                                                  NSMutableArray *mutableRecords = [NSMutableArray array];
                                                  for (NSDictionary *attributes in [object valueForKeyPath:@"spots"]) {
                                                      Spot *spot = [[[Spot alloc] initWithAttributes:attributes] autorelease];
                                                      [mutableRecords addObject:spot];
                                                  }
                                                  return [NSArray arrayWithArray:mutableRecords];
                                              }, nil]
                           completionHandler:^(NSURLResponse *response, NSArray *records, NSError *error){
                                                 block(records);
                                             }];
}