objective c network GET

objc-network-get.m

-(void)get:(NSString *)url withCallback:(void (^)(NSError *, NSData* ))completionHandler {
    
    NSMutableURLRequest *req = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:url]];
    
    req.HTTPMethod = @"GET";
    
    NSURLSessionConfiguration *sessionConfig = [NSURLSessionConfiguration defaultSessionConfiguration];
    
    sessionConfig.requestCachePolicy = NSURLRequestReloadIgnoringLocalAndRemoteCacheData;
    
    NSURLSession *session = [NSURLSession sessionWithConfiguration:sessionConfig];
    
    NSURLSessionDataTask *task = [session dataTaskWithRequest:req completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
        
        completionHandler(error,data);
        
    }];
    
    [task resume];
}

user-documents-directory.m

+(NSString*)user_documents_directory {
    
    NSArray *paths =  NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, true);
    NSString *dirPath = [paths objectAtIndex:0];
    return dirPath;
}