MoralAlberto

class Moral: Developer { }

class UncleBob: Developer {
    func programmingLanguage() -> String {
        return "Java"
    }
}

var moral = Moral()
moral.programmingLanguage()

MoralAlberto

class CommonPattern: UIViewController {
    func openMenu() {…}
    func selectOption(option: NSUInteger) {…}
}

class HomeApp: CommonPattern {
    func viewDidLoad() {
        super.viewDidLoad(){
            openMenu()
        }

MoralAlberto

protocol Developer {
    func programmingLanguage() -> String
}

extension Developer {
    func programmingLanguage() -> String {
        return "iOS"
    }
}

MoralAlberto

/// @return RACSignal Next: (id) a 'class' instance/object
+ (RACSignal *)parseJSONDictionary:(NSDictionary *)JSONDictionary toClass:(Class)class {
    return [[RACSignal createSignal:^RACDisposable *(id<RACSubscriber> subscriber) {
        NSError *error;
        id model = [MTLJSONAdapter modelOfClass:class fromJSONDictionary:JSONDictionary error:&error];
        
        if (error) {
            [subscriber sendError:error];
        } else {
            [subscriber sendNext:model];

MoralAlberto

/// @return RACSignal Next: (NSDictionary *)JSON
+ (RACSignal *)getJSONFromRESTPath:(NSString *)path withParams:(NSDictionary *)params {
    
    path = [path stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
    
    RACSignal *signal = [RACSignal createSignal:^RACDisposable *(id<RACSubscriber> subscriber) {
        AFURLConnectionOperation *task = [[AMGNetworkManager sharedInstance].manager
                                          GET:path
                                          parameters:params
                                          success:^(AFHTTPRequestOperation *operation, id responseObject) {

MoralAlberto

+ (RACSignal *)performRequestWithMethod:(AMGRESTManagerHTTPMethod)httpMethod
                             toRESTPath:(NSString *)path
                             withParams:(NSDictionary *)params
                      resultObjectClass:(Class)class
                                isArray:(BOOL)isArray {
    RACSignal *JSONSignal = nil;
    switch (httpMethod) {
        case AMGRESTManagerHTTPMethodGET:
            JSONSignal = [AMGNetworkManager getJSONFromRESTPath:path withParams:params];
            break;

MoralAlberto

/// @return RACSignal Next: (AMGModelItems *)
+ (RACSignal *)questions {
    NSString *apiPath = [AMGConstantsManager APIPathQuestions];
    return [AMGRESTManager performRequestWithMethod:AMGRESTManagerHTTPMethodGET
                                        toRESTPath:apiPath
                                        withParams:nil
                                 resultObjectClass:[AMGModelItems class]
                                           isArray:YES];
}

MoralAlberto

+ (RACSignal *)questions {
    return [AMGQuestionsManager questions];
}

MoralAlberto

[[AMGAPI questions] subscribeNext:^(NSArray *questions) {
    [questions enumerateObjectsUsingBlock:^(AMGModelItems  * _Nonnull questions, NSUInteger idx, BOOL * _Nonnull stop) {
        NSLog(@"Questions %lu: %@ \n", (unsigned long)idx, questions.title);
    }];
}];

MoralAlberto

extension Array {
    func reducee<T>(initial: T, combine: (T, Element) -> T) -> T {
        var result = initial
        for x in self {
            result = combine(result, x)
        }
        return result
    }
}