Lordnibbler

# channels controller
  def index
    @channels = Channel.all

    respond_to do |format|
      format.html # index.html.erb
      format.json { render :json => { :channels => @channels } }
    end
  end

Lordnibbler

{"channels":{"78":{"id":78,"name":"Zombie Bass","num_of_listeners":1,"created_at":"2012-03-21T04:04:36Z","updated_at":"2012-04-20T01:21:12Z"},"82":{"id":82,"name":"The Beatles123","num_of_listeners":1,"created_at":"2012-03-22T20:28:34Z","updated_at":"2012-04-17T04:34:07Z"},"125":{"id":125,"name":"New!","num_of_listeners":1,"created_at":"2012-04-19T04:05:47Z","updated_at":"2012-04-19T04:05:47Z"},"132":{"id":132,"name":"Test!","num_of_listeners":1,"created_at":"2012-04-26T21:00:30Z","updated_at":"2012-04-26T21:00:30Z"}}}

Lordnibbler

- (void)setupObjectMapping {
    RKObjectMapping* channelMapping = [RKObjectMapping mappingForClass:[Channel class]];
    [channelMapping mapKeyPath:@"id" toAttribute:@"identifier"];
    [channelMapping mapKeyPath:@"name" toAttribute:@"name"];
    //[channelMapping mapKeyPath:@"created_at" toAttribute:@"createdAt"];
    //[channelMapping mapKeyPath:@"updated_at" toAttribute:@"updatedAt"];
    [channelMapping mapKeyPath:@"num_of_listeners" toAttribute:@"numOfListeners"];
    
    //object mapping for GETs
    [[RKObjectManager sharedManager].mappingProvider setMapping:channelMapping forKeyPath:@"channels"];

Lordnibbler

{
    "channels": {
        "78": {
            "id": 78,
            "name": "Zombie Bass",
            "num_of_listeners": 1,
            "created_at": "2012-03-21T04:04:36Z",
            "updated_at": "2012-04-20T01:21:12Z"
        },
        "82": {

Lordnibbler

//Channel.h
@interface Channel : NSObject <RKRequestDelegate, RKObjectLoaderDelegate> {
    NSNumber *identifier;
    NSString *name;
    NSNumber *numOfListeners;
}

//AppDelegate.m
- (void)setupObjectMapping {
    RKObjectMapping* channelMapping = [RKObjectMapping mappingForClass:[Channel class]];

Lordnibbler

{
    "channels": [
        {
            "number": 78,
            "name": "Zombie Bass",
            "num_of_listeners": 1,
            "created_at": "2012-03-21T04:04:36Z",
            "updated_at": "2012-04-20T01:21:12Z"
        },
        {

Lordnibbler

{
    "channels": {
        "78": {
            "name": "Zombie Bass",
            "num_of_listeners": 1,
            "created_at": "2012-03-21T04:04:36Z",
            "updated_at": "2012-04-20T01:21:12Z"
        },
        "82": {
            "name": "The Beatles123",

Lordnibbler

{
    "channels": [
        {
            "number": 78,
            "name": "Zombie Bass",
            "num_of_listeners": 1,
            "created_at": "2012-03-21T04:04:36Z",
            "updated_at": "2012-04-20T01:21:12Z"
        },
    ]

Lordnibbler

    RKObjectMapping* channelMapping = [RKObjectMapping mappingForClass:[Channel class]];
    [channelMapping mapKeyPath:@"id" toAttribute:@"identifier"];
    [channelMapping mapKeyPath:@"name" toAttribute:@"name"];
    [channelMapping mapKeyPath:@"num_of_listeners" toAttribute:@"numOfListeners"];

    //object mapping for GETs
    [[RKObjectManager sharedManager].mappingProvider setMapping:channelMapping forKeyPath:@"channels"];
    
    //set up object serialization for POSTing back to rails
    RKObjectMapping* channelSerializationMapping = [channelMapping inverseMapping];

Lordnibbler

{
    "channels": {
        "channel_78": {
            "name": "Zombie Bass",
            "num_of_listeners": 1,
            "created_at": "2012-03-21T04:04:36Z",
            "updated_at": "2012-04-20T01:21:12Z"
        },
        "channel_82": {
            "name": "The Beatles123",