Parseable MTLModel

// Swift Extension on MTLModel

extension MTLModel: Parseable {

    public static func parseResponseObject(responseObject: AnyObject) throws -> AnyObject {
        if let JSON = responseObject as? Array<AnyObject> {
            do {
                return try MTLJSONAdapter.modelsOfClass(self, fromJSONArray: JSON) as! [MTLModel]
            } catch {
                throw BridgeErrorType.Parsing
            }
        } else if let JSON = responseObject as? Dictionary<NSObject, AnyObject> {
            do {
                return try MTLJSONAdapter.modelOfClass(self, fromJSONDictionary: JSON) as! MTLModel
            } catch {
                throw BridgeErrorType.Parsing
            }
        }
        throw BridgeErrorType.Parsing
    }
}

// Objective C Model

#import <Mantle/Mantle.h>

@interface GithubUser : MTLModel<MTLJSONSerializing>

@property (nonatomic, copy) NSString *login;
@property (nonatomic, copy) NSNumber *id;
@property (nonatomic, copy) NSURL *avatarURL;
@property (nonatomic, copy) NSString *name;

@end

#import "GithubUser.h"

@implementation GithubUser

+ (NSDictionary *)JSONKeyPathsByPropertyKey {
    return @{
             @"id": @"id",
             @"login": @"login",
             @"avatarURL": @"avatar_url",
             @"name": @"name"
             };
}

+ (NSValueTransformer *)avatarURLJSONTransformer {
    return [NSValueTransformer valueTransformerForName:MTLURLValueTransformerName];
}

@end