gistfile1.txt

+ (void)makeAsyncRequestForPath:(NSString *)path
                withQueryParams:(NSDictionary *)queryParams
                responseHandler:(void (^)(NSData*, NSError*))handler
{
    NSURLRequest *req = [self getRequestForPath:path
                              queryStringParams:queryParams];
    NSOperationQueue *queue = [[NSOperationQueue alloc] init];
    
    [NSURLConnection sendAsynchronousRequest:req
                                       queue:queue
                           completionHandler:^(NSURLResponse *response, NSData *data, NSError *error){
                               handler(data, error);
                           }];
}

+ (void)moviesByPage:(NSInteger)page
               numPerPage:(NSInteger)perPage
                withGenre:(NSString *)genre
              forDelegate:(id<MLLanternAPIClientDelegate>)delegate{
    
    NSString *path = [NSString stringWithFormat:@"movies/"];
    NSMutableDictionary *queryparams = [[NSMutableDictionary alloc] init];
    
    if(page){
        [queryparams setObject:[NSNumber numberWithInt:page]
                        forKey:@"page"];
    }
    
    if(perPage){
        [queryparams setObject:[NSNumber numberWithInt:perPage]
                        forKey:@"per_page"];
    }
    
    if (genre && ![genre isEqualToString:@""]) {
        [queryparams setObject:genre forKey:@"genre"];
    }

    [self makeAsyncRequestForPath:path
                  withQueryParams:queryparams
                  responseHandler:^(NSData *data, NSError *error){
        NSError *err = nil;
        
        if ([data length] > 0 && error == nil) {
            NSDictionary *apiMovies = [NSJSONSerialization JSONObjectWithData:data
                                                                      options:NSJSONReadingMutableLeaves
                                                                        error:&err];
            NSMutableArray *movies = [[NSMutableArray alloc] init];
            for (id movie in apiMovies[@"movies"]) {
                [movies addObject:[[LanternMovie alloc] initWithDictionary:movie]];
            }
            
            [delegate moviesReceived:movies withPage:page withGenre:genre];
        }
    }];
}