gistfile1.txt

SAMPLE JSON
{
   "event":{
      "name":"Gregorian",
      "description":null,
      "pricing":"£ 129.90 - 129.90",
      "free":null,
      "starts_at":"2013-04-06T20:00:00+00:00",
      "ends_at":null,
      "all_day":false,
      "coordinates":"48.2021994,16.3314435",
      "venue_id":"50ee0500844b7614c90003d8",
      "venue_name":"Wiener Stadthalle",

…

MAPPING CODE
RKEntityMapping *eventMapping = [RKEntityMapping mappingForEntityForName:@"Event" inManagedObjectStore:objectManager.managedObjectStore] ;
eventMapping.identificationAttributes = @[@"event_id"] ;
[eventMapping addAttributeMappingsFromArray:@[@"name" , @"pricing" , @"free" , @"starts_at" , @"ends_at" , @"all_day" , @"coordinates" , @"venue_id" , @"venue_name" , @"time_zone" , @"organizations" , @"photos" , @"links"]] ;
[eventMapping addAttributeMappingsFromDictionary:@{@"id":@"event_id" , @"description":@"desc"}] ;
RKResponseDescriptor *eventResponseDescriptor = [RKResponseDescriptor responseDescriptorWithMapping:eventMapping pathPattern:[NSString stringWithFormat:@"%@/:event_id", EVENT_RESOURCE_PATH] keyPath:@"event" statusCodes:[NSIndexSet indexSetWithIndexesInRange:NSMakeRange(200, 100)]] ;
[objectManager addResponseDescriptor:eventResponseDescriptor] ;

FETCHING CODE
[_operationQueue cancelAllOperations] ;
NSString *query = [NSString stringWithFormat:@"%@/%@" , EVENT_RESOURCE_PATH, self.eventID] ;

RKObjectRequestOperation *fetchEventOperation = [[RKObjectManager sharedManager] appropriateObjectRequestOperationWithObject:nil method:RKRequestMethodGET path:query parameters:nil] ;
[fetchEventOperation setCompletionBlockWithSuccess:^(RKObjectRequestOperation *operation, RKMappingResult *mappingResult)
  {
	NSLog(@"mapped objects: %@\nresponse: %@" , mappingResult.array, operation.HTTPRequestOperation.responseString) ;
	[self fetchPostCardImageAtURLString:[self photoURLString]] ;
	}
failure:^(RKObjectRequestOperation *operation, NSError *error)
	{
	PROMPT_REPORT(@"Could not fetch information about that event", error.description) ;
	NSLog(@"Error fetching event: %@, response: %@" , error, operation.HTTPRequestOperation.responseString) ;
	}] ;
[_operationQueue addOperation:fetchEventOperation] ;

OUTPUT
2013-01-15 12:59:23.948 tabeso[22420:c07] mapped objects: (
)
response: {"event":{"name":"Gregorian","description":null,"pricing":"£ 129.90 - 129.90","free":null,"starts_at":"2013-04-06T20:00:00+00:00","ends_at":null,"all_day":false,"coordinates":"48.2021994,16.3314435","venue_id":"50ee0500844b7614c90003d8","venue_name":"Wiener Stadthalle","time_zone":{"name":"UTC","utc_offset":null,"tzinfo":{"identifier":"Etc/UTC","real_timezone":{"info":{"identifier":"Etc/UTC","offsets":{"o0":{"utc_offset":0,"std_offset":0,"abbreviation":"UTC","utc_total_offset":0}},"transitions":[],"previous_offset":{"utc_offset":0,"std_offset":0,"abbreviation":"UTC","utc_total_offset":0},"transitions_index":null}}},"current_period":null},"id":"50eeae4a1ea793b70b001bcb","organizations":[{"name":"Gregorian","id":"50ee04a3a55641685e000001"}],"photos":["http://s3.evcdn.com/images/original/I0-001/001/749/458-9.jpeg_/gregorian-58.jpeg"],"links":{"self":"http://api.tabeso.com/events/50eeae4a1ea793b70b001bcb","venue":"http://api.tabeso.com/venues/50ee0500844b7614c90003d8","organizations":["http://api.tabeso.com/organizations/50ee04a3a55641685e000001"]}}}