Network

//
//  NetworkConnection.m
//  Elearning
//

#import "NetworkConnection.h"

@implementation NetworkConnection

+ (void) responseWithUrl:(NSString*)url
                  method:(NSString*)method
                  params:(NSString*)params
           resultRequest:(ResultRequest)complete
{
    NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];

    if ([method isEqualToString:@"GET"]) {
        // GET method
        [request setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@?%@",url,params]]];
        request.HTTPMethod = @"GET";
    } else {
        // POST, DELETE, PATCH method
        [request setURL:[NSURL URLWithString:url]];
        NSString * post = params;
        NSData *postData = [post dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES];
        NSString *postLength = [NSString stringWithFormat:@"%lu",(unsigned long)[postData length]];

        request.HTTPMethod = method;
        [request setValue:postLength forHTTPHeaderField:@"Content-Length"];
        [request setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"];
        request.HTTPBody = postData;
    }

    NSURLSession *session = [NSURLSession sharedSession];
    [[session dataTaskWithRequest:request
                completionHandler:^(NSData *data,
                                    NSURLResponse *response,
                                    NSError *error) {

                    NSError *errors;
                    NSDictionary *dic;
                    if (data) {
                        dic = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:&errors];
                    }
                    if (complete) complete(dic,error);
                }] resume];

}

@end