wiki client in objc

wiki_objc_client.m

//
//  Wikipedia.m
//  yoda
//
//  Created by Utkarsh Sengar on 2/9/14.
//  Copyright (c) 2014 area42. All rights reserved.
//

#import "Wikipedia.h"
#import "AFNetworking.h"
#import "Question.h"

@implementation Wikipedia
NSString *WIKIPEDIA_BASE_URL = @"https://en.wikipedia.org/w/api.php";

-(void)getImagesAndTitleForCategory:(NSString *)categoryName
                         limitCount:(NSInteger)count
                            success:(void (^)(AFHTTPRequestOperation *operation, id response))success
                            failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure{
    
    AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
    
    //Get list of articles by category
    NSMutableDictionary *getPagesQueryParams = [[NSMutableDictionary alloc] init];
    getPagesQueryParams[@"action"] = @"query";
    getPagesQueryParams[@"prop"] = @"images";
    getPagesQueryParams[@"format"] = @"json";
    getPagesQueryParams[@"imlimit"] = @"10";
    getPagesQueryParams[@"generator"] = @"categorymembers";
    getPagesQueryParams[@"gcmtitle"] = [@"Category:" stringByAppendingString:categoryName];
    getPagesQueryParams[@"gcmnamespace"] = @"0";
    getPagesQueryParams[@"gcmlimit"] = @"50";
    
    
    [manager GET:WIKIPEDIA_BASE_URL
      parameters:getPagesQueryParams
         success:^(AFHTTPRequestOperation *task, id responseObject) {
             NSLog(@"JSON in 1: %@", responseObject);
             
             NSMutableArray *testInput = [[NSMutableArray alloc] init];
             [testInput addObject:@"Trip_Adler"];
             
             [self getGetImageForTitles:testInput manager:manager success:success failure:failure];
         }
         failure:^(AFHTTPRequestOperation *task, NSError *error) {
             NSLog(@"Error in 1: %@", error);
         }];
}

-(void)getGetImageForTitles:(NSArray *)articleTitles
                    manager:(AFHTTPRequestOperationManager *)manager
                    success:(void (^)(AFHTTPRequestOperation *operation, id response))success
                    failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure{
    
    
    //Get article title from response
    NSMutableDictionary *getImageTitlesParams = [[NSMutableDictionary alloc] init];
    getImageTitlesParams[@"action"] = @"query";
    
    for (NSString *title in articleTitles) {
        //TODO: Fix it
        getImageTitlesParams[@"titles"] = title;
    }
    
    getImageTitlesParams[@"format"] = @"json";
    getImageTitlesParams[@"prop"] = @"images";
    
    [manager GET:WIKIPEDIA_BASE_URL
      parameters:getImageTitlesParams
         success:^(AFHTTPRequestOperation *task, id responseObject) {
             NSLog(@"JSON in 2: %@", responseObject);
             
             Question *question = [[Question alloc] init];
             [question setValue:@"pageUrl" forKey:@""];
             [question setValue:@"title" forKey:@""];
             [question setValue:@"imgUrl" forKey:@""];
             
             NSMutableArray *testInput = [[NSMutableArray alloc] init];
             [testInput addObject:question];
             
             [self getGetImageUrlsFromImageTitle:testInput articleTitles:articleTitles manager:manager success:success failure:failure];
         }
         failure:^(AFHTTPRequestOperation *task, NSError *error) {
             NSLog(@"Error in 2: %@", error);
         }];
}

-(void)getGetImageUrlsFromImageTitle:(NSArray *)imageTitles
                       articleTitles:(NSArray *)articleTitles
                             manager:(AFHTTPRequestOperationManager *)manager
                             success:(void (^)(AFHTTPRequestOperation *operation, id response))success
                             failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure{
    
    //Get Image title from response
    NSMutableDictionary *getImageUrlParams = [[NSMutableDictionary alloc] init];
    getImageUrlParams[@"action"] = @"query";
    
    for (Question *question in imageTitles) {
        //TODO: Fix it
        getImageUrlParams[@"titles"] = [@"Image:" stringByAppendingString:question.imgUrl]; //@"Image:Next Avengers - Heroes of Tomorrow Coverart.png";
    }
    
    getImageUrlParams[@"format"] = @"json";
    getImageUrlParams[@"prop"] = @"imageinfo";
    getImageUrlParams[@"iiprop"] = @"url";
    
    [manager GET:WIKIPEDIA_BASE_URL
      parameters:getImageUrlParams
         success:success
         failure:failure];
    
}

@end