how to send data on server in ios

callwebservice.swift

 func sendData()
    {
         let old_price =  Price.text!
            UserDefaults.standard.setValue(old_price, forKey: "old_price")
            let prs = [
                "coupon_code": CoupanField.text! as String ,
                "order_price" : "\(final_price)"
                ] as [String:String]
            Service.Start(VC: self,dic: prs, url: "\(GlobalVariable.serverName)coupon.php", onCompletion: { result in
                print("result \(result)")
                DispatchQueue.main.async(execute: {
                    if let myArray =  result as? NSDictionary{
                        
                        var message = ""
                        if let  msg = myArray.value(forKey: "message") as? NSString{
                            print("messgae is:: \(msg)")
                            message = msg as String
                        }
                        if let data = myArray.value(forKey: "finalprice") as? Float{
                            print("final price is:: \(data)")
                            self.final_price = Int(ceil(data))
                            print("intege value is \(self.final_price)")
                        }
                        if let data = myArray.value(forKey: "percentage") as? NSString{
                            self.discount_price = data.integerValue
                            print("percentage is:: \(self.discount_price)")
                        }
                        if let Mystatus = myArray.value(forKey: "status") as? NSString{
                            print("status \(self.status)")
                            
                            if(Mystatus.isEqual(to: "OK")){
                                
                                self.DecBtn.isUserInteractionEnabled = false
                                self.IncBtn.isUserInteractionEnabled = false
                                
                                self.CoupanField.isUserInteractionEnabled =  false
                                self.ApplyBtn.setTitle("Remove",for: .normal)
                                self.Discount.isHidden = false
                                self.ApplyBtn.tag = 1
                                self.Discount.text = "(Discount \(self.discount_price)%)"
                                self.OriginalPrice.isHidden = false
                                self.OriginalPrice.text = "\(old_price)"
                                
                                
                                let title = NSAttributedString(string: "\(old_price)", attributes: [NSStrikethroughColorAttributeName:UIColor.black,NSStrikethroughStyleAttributeName: NSNumber(value: NSUnderlineStyle.styleSingle.rawValue)])
                                self.OriginalPrice.attributedText = title
                                
                                
                                
                            self.Price.text = "\(self.final_price)"
                            }else if(Mystatus.isEqual(to: "NOT OK")){
                                let alert = UIAlertController(title: "", message: message, preferredStyle: .alert)
                                let retry = UIAlertAction(title: "Retry", style: .default, handler: { action in
                                    
                                })
                                alert.addAction(retry)
                                self.present(alert, animated: true, completion: nil)
                            }
                        }
                        
                        
                    }
                })
            })
            
        }
    }

webservice.m

-(void)sendData:(NSString*)user_id :(NSString*)user_name :(NSString*)user_email :(NSString*)type  {
    
    
    NSString *urlString=@"http://randhir.in/hnl/sociallogin.php";
    NSURL *url = [NSURL URLWithString:urlString];
    NSMutableURLRequest * urlRequest = [NSMutableURLRequest requestWithURL:url];
    NSString *dataString = [NSString stringWithFormat:@"id=%@&email=%@&username=%@&type=%@",user_id,user_email,user_name,type];
    NSData *requestData = [dataString dataUsingEncoding:NSUTF8StringEncoding];
    NSLog(@"requestData%@",requestData);
    [urlRequest setHTTPMethod:@"POST"];
    [urlRequest setValue:@"text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8" forHTTPHeaderField:@"Accept"];
    [urlRequest setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"];
    [urlRequest setHTTPBody: requestData];
    NSURLSessionDataTask * dataTask = [[NSURLSession sharedSession] dataTaskWithRequest:urlRequest completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
        NSLog(@"data=%@",data);
        if (data.length>0 && error==nil) {
            @try {
                
                NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:data options:0 error:NULL];
                // NSString *dict = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
                NSLog(@"Dict=%@",dict);
                
                NSString *ss = [NSString stringWithFormat:@"%@",[dict valueForKey:@"result"]];
                NSLog(@"ss %@",ss);
                if([ss isEqualToString:@"success"]){
                    
                    
                    NSDictionary*user_data =  [dict valueForKey:@"data"];
                    
                    NSString *user_id = [NSString stringWithFormat:@"%@",[user_data valueForKey:@"id"]];
                    NSString *user_email = [NSString stringWithFormat:@"%@",[user_data valueForKey:@"email"]];
                    NSString *user_image_url = [NSString stringWithFormat:@"%@",[user_data valueForKey:@"profile_pic"]];
                    NSString *user_name = [NSString stringWithFormat:@"%@",[user_data valueForKey:@"username"]];
                    
                    // set the value  in prefrences
                    [[NSUserDefaults standardUserDefaults]setValue:user_id forKey:@"user_id"];
                    [[NSUserDefaults standardUserDefaults]setValue:user_email forKey:@"email"];
                    [[NSUserDefaults standardUserDefaults]setValue:user_image_url forKey:@"image_url"];
                    [[NSUserDefaults standardUserDefaults]setValue:user_name forKey:@"user_name"];
                    
                    [[NSUserDefaults standardUserDefaults ]setValue:@"social_login" forKey:@"social_login"];
                    
                    NSLog(@"user details %@ %@ %@ %@ ", user_name ,user_id ,user_email,user_image_url);
                    NSLog(@"success");
                    dispatch_async(dispatch_get_main_queue(), ^{
                        // [[self processView]setHidden:true];
                        // [[self processView]setHidden:YES];
                        [[self processHolderView]setHidden:YES];
                        //[[NSUserDefaults standardUserDefaults]setValue:@"name" forKey:@"name"];
                        UIStoryboard *storyboard = [UIStoryboard storyboardWithName:@"Main" bundle:nil];
                        UITabBarController*vc = [storyboard instantiateViewControllerWithIdentifier: @"MyTabBarController"];
                        self.navigationItem.hidesBackButton = YES;
                        self.navigationItem.backBarButtonItem = nil;
                        [[self navigationController]pushViewController:vc animated:YES];
                    });
                    
                }else{
                    
                    
                    [[self processHolderView]setHidden:true];
                    UIAlertController * alert = [UIAlertController
                                                 alertControllerWithTitle:@"Invalid"
                                                 message:@"Invalid email or passwor.try Again!"
                                                 preferredStyle:UIAlertControllerStyleAlert];
                    
                    UIAlertAction* fbButton = [UIAlertAction
                                               actionWithTitle:@"Retry"
                                               style:UIAlertActionStyleDefault
                                               handler:^(UIAlertAction * action)
                                               {
                                                   [[self processHolderView]setHidden:true];
                                                   // [[self processView]setHidden:YES];
                                                   [[self loginBtn]setUserInteractionEnabled:YES];
                                                   // Add your code
                                               }];
                    [alert addAction:fbButton];
                    [self presentViewController:alert animated:YES completion:nil];
                    
                    
                }
                
            } @catch (NSException *exception) {
                NSLog(@"Exception %@",exception.description);
            } @finally {
                
            }
            
        }
        
    }];
    
    [dataTask resume];
    NSLog(@"getData true working");
}

webservice.swift

//
//  WebService.swift
//  ArtCaller
//
//  Created by Twistfuture on 6/9/15.
//  Copyright (c) 2015 Twist. All rights reserved.
//

import Foundation
import UIKit

@objc protocol WebServiceDelegate {
    @objc optional func CompleteDownloading ( _ service :WebService ,result : AnyObject)
}

class WebService : NSObject {
    
    var delegate : WebServiceDelegate?
    var View : UIView = UIView()
    var Process : UIActivityIndicatorView = UIActivityIndicatorView()
    var task : URLSessionDataTask!
    
    func Start(VC: UIViewController, dic : [String:String]?,url : String, onCompletion : @escaping (AnyObject) -> Void) {
        
       
            
        // print(dic)
        let win:UIWindow = UIApplication.shared.delegate!.window!!
        
        let urlString = "\(url)"
        
        print(urlString)
        
        let url = Foundation.URL(string : urlString )
        let request = NSMutableURLRequest(url : url!)
        request.httpMethod="POST"
        
        
        let boundary = NSString(format: "---------------------------147378355409831466499882746641449")
        let contentType = NSString(format: "multipart/form-data; boundary=%@",boundary)
        request.addValue(contentType as String, forHTTPHeaderField: "Content-Type")
        
        let body = NSMutableData()
        self.View.frame = CGRect(x: 0, y: 0, width: 50, height: 50)
        self.View.backgroundColor = UIColor.gray
        self.View.center = win.center
        self.View.layer.cornerRadius = 5.0
        self.View.clipsToBounds = true
        self.Process.activityIndicatorViewStyle = UIActivityIndicatorViewStyle.white
        self.Process.center = CGPoint(x: 25, y: 25)
        self.View.addSubview(self.Process)
        self.Process.startAnimating()
        VC.view.addSubview(self.View)
        if dic != nil {
            
            print(dic!)
            
            for (key, text) in dic! {
                print("Sending ----\(key)-----\(text)")
                
                body.append(NSString(format: "\r\n--%@\r\n",boundary).data(using: String.Encoding.utf8.rawValue)!)
                body.append(NSString(format:"Content-Disposition: form-data; name=\"\(key)\"\r\n\r\n" as NSString).data(using: String.Encoding.utf8.rawValue)!)
                body.append(text.data(using: String.Encoding.utf8, allowLossyConversion: true)!)
              
            }
        }
        request.httpBody = body as Data
        
        
        task = URLSession.shared.dataTask(with: request as URLRequest, completionHandler: {
            data, response, error in
            DispatchQueue.main.async(execute: {
                
                self.View.removeFromSuperview()
                
                if error != nil
                {
                    
                    let alert = UIAlertController(title: "Error", message: "Server is not responding properly.", preferredStyle: .alert)
                    
                    let cancel = UIAlertAction(title: "Retry", style: .cancel, handler: { action in
                        self.task.resume()
                    })
                    alert.addAction(cancel)
                    VC.present(alert, animated: true, completion: nil)
                    
                    
                }else{
                    
                    let srt = NSString(data: data!, encoding: String.Encoding.ascii.rawValue)
                    
                    print("Service : \(url) Data: \(srt)")
                    do {
                        let parsedObject = try JSONSerialization.jsonObject(with: data!, options: [])
                        
                        if let object = parsedObject as? NSDictionary{
                            print("Result is a dictionary");
                            onCompletion(object)
                        }else{
                            print("Result is an array");
                        }
                        
                        
                    } catch {
                        print("json error: \(error)")
                    }
                    
                    
                } })
        })
        
        if(Controller.isConnectedToNetwork()){
            print("internet connectivity found ")
            task.resume()
        }else{
            self.View.removeFromSuperview()
            print("internet connectivity not found ")
            
            let alert = UIAlertController(title: "Error", message: "internet connectivity not found", preferredStyle: .alert)
            
            let cancel = UIAlertAction(title: "Retry", style: .cancel, handler: { action in
                self.task.resume()
            })
            alert.addAction(cancel)
            VC.present(alert, animated: true, completion: nil)
            
            
        }
    
       
        
        
    }
    
    
    
    
    
    
    func StartFacebook(VC: UIViewController, dic : [String:String]?,url : String, onCompletion : @escaping (AnyObject) -> Void) {
        
        // print(dic)
        let win:UIWindow = UIApplication.shared.delegate!.window!!
        
        let urlString = "\(url)"
        
        print(urlString)
        
        let url = Foundation.URL(string : urlString )
        let request = NSMutableURLRequest(url : url!)
        request.httpMethod="GET"
        
        
        let boundary = NSString(format: "---------------------------147378355409831466499882746641449")
        let contentType = NSString(format: "multipart/form-data; boundary=%@",boundary)
        request.addValue(contentType as String, forHTTPHeaderField: "Content-Type")
        
        let body = NSMutableData()
        View.frame = CGRect(x: 0, y: 0, width: 50, height: 50)
        View.backgroundColor = UIColor.gray
        View.center = win.center
        View.layer.cornerRadius = 5.0
        View.clipsToBounds = true
        Process.activityIndicatorViewStyle = UIActivityIndicatorViewStyle.white
        Process.center = CGPoint(x: 25, y: 25)
        View.addSubview(Process)
        Process.startAnimating()
        VC.view.addSubview(View)
        if dic != nil {
            
            print(dic!)
            
            for (key, text) in dic! {
                print("Sending ----\(key)-----\(text)")
                
                body.append(NSString(format: "\r\n--%@\r\n",boundary).data(using: String.Encoding.utf8.rawValue)!)
                body.append(NSString(format:"Content-Disposition: form-data; name=\"\(key)\"\r\n\r\n" as NSString).data(using: String.Encoding.utf8.rawValue)!)
                body.append(text.data(using: String.Encoding.utf8, allowLossyConversion: true)!)
            }
        }
        request.httpBody = body as Data
        
        
        task = URLSession.shared.dataTask(with: request as URLRequest, completionHandler: {
            data, response, error in
            DispatchQueue.main.async(execute: {
                
                self.View.removeFromSuperview()
                
                if error != nil
                {
                    
                    let alert = UIAlertController(title: "Error", message: "internet connectivity not found", preferredStyle: .alert)
                    
                    let cancel = UIAlertAction(title: "Retry", style: .cancel, handler: { action in
                        self.task.resume()
                    })
                    alert.addAction(cancel)
                    
                    VC.present(alert, animated: true, completion: {})
                    
                    
                    
                    print(error.debugDescription)
                    
                    
                }else{
                    
                    let srt = NSString(data: data!, encoding: String.Encoding.ascii.rawValue)
                    
                    print("Service : \(url) Data: \(srt)")
                    do {
                        let parsedObject = try JSONSerialization.jsonObject(with: data!, options: [])
                        
                        if let object = parsedObject as? NSDictionary{
                            print("Result is a dictionary");
                            onCompletion(object)
                        }else{
                            print("Result is an array");
                        }
                        
                        
                    } catch {
                        print("json error: \(error)")
                    }
                    
                    
                } })
        })
        
        if(Controller.isConnectedToNetwork()){
            print("internet connectivity found ")
            task.resume()
        }else{
            self.View.removeFromSuperview()
            print("internet connectivity not found ")
            
            let alert = UIAlertController(title: "Error", message: "internet connectivity not found", preferredStyle: .alert)
            
            let cancel = UIAlertAction(title: "Cancel", style: .cancel, handler: { action in
                self.task.resume()
            })
            
            
            alert.addAction(cancel)
            
            VC.present(alert, animated: true, completion: {})
            
            
        }
        
        
    }

    
    func StartWithData(VC: UIViewController, dic : [String:AnyObject]?,url : String, onCompletion : @escaping (AnyObject) -> Void) {
        
        // print(dic)
        let win:UIWindow = UIApplication.shared.delegate!.window!!
        
        let urlString = "\(url)"
        
//        print(urlString)
        
        let url = Foundation.URL(string : urlString )
        let request = NSMutableURLRequest(url : url!)
        request.httpMethod="POST"
        
        
        let boundary = NSString(format: "---------------------------147378355409831466499882746641449")
        let contentType = NSString(format: "multipart/form-data; boundary=%@",boundary)
        request.addValue(contentType as String, forHTTPHeaderField: "Content-Type")
        
        let body = NSMutableData()
        View.frame = CGRect(x: 0, y: 0, width: 50, height: 50)
        View.backgroundColor = UIColor.gray
        View.center = win.center
        View.layer.cornerRadius = 5.0
        View.clipsToBounds = true
        Process.activityIndicatorViewStyle = UIActivityIndicatorViewStyle.white
        Process.center = CGPoint(x: 25, y: 25)
        View.addSubview(Process)
        Process.startAnimating()
        VC.view.addSubview(View)
        if dic != nil {
            
         
            
            for (key, text) in dic! {
                if let s = text as? String{
                //print("Sending ----\(key)-----\(text)")
                
                body.append(NSString(format: "\r\n--%@\r\n",boundary).data(using: String.Encoding.utf8.rawValue)!)
                body.append(NSString(format:"Content-Disposition: form-data; name=\"\(key)\"\r\n\r\n" as NSString).data(using: String.Encoding.utf8.rawValue)!)
                body.append(s.data(using: String.Encoding.utf8, allowLossyConversion: true)!)
                
                }
                else{
                 
                 if let image = text as? Data {
                 print("\(key)")
                 body.append(NSString(format: "\r\n--%@\r\n", boundary).data(using: String.Encoding.utf8.rawValue)!)
                 body.append(NSString(format:"Content-Disposition: form-data; name=\"file\"; filename=\"\(key)\"\r\n" as NSString).data(using: String.Encoding.utf8.rawValue)!)
                 
                 //let pathExtention = key.pathExtension
                 
                 let url = Foundation.URL(fileURLWithPath: key)
                 let pathExtension = url.pathExtension
                 var sd = ""
                 if (pathExtension == "png"){
                 sd = "image/png";
                 }else{
                 
                 sd = "image/jpg";
                 }
                 print(sd)
                 
                 
                 body.append(NSString(format: "Content-Type: \(sd)\r\n\r\n" as NSString).data(using: String.Encoding.utf8.rawValue)!)
                 body.append(image)
                 body.append(NSString(format: "\r\n--%@\r\n", boundary).data(using: String.Encoding.utf8.rawValue)!)
                 
                 }
                 }
            }
        }
        request.httpBody = body as Data
        task = URLSession.shared.dataTask(with: request as URLRequest, completionHandler: {
            data, response, error in
            DispatchQueue.main.async(execute: {
                
                self.View.removeFromSuperview()
                
                if error != nil
                {

                   
                     onCompletion("Error" as AnyObject)
                  
                    print(error.debugDescription)
                    
                    
                }else{
                    
                    let srt = NSString(data: data!, encoding: String.Encoding.ascii.rawValue)
                    
                    print("Service : \(url) Data: \(srt)")
                    do {
                        let parsedObject = try JSONSerialization.jsonObject(with: data!, options: [])
                        
                        if let object = parsedObject as? NSDictionary{
                            print("Result is a dictionary");
                            onCompletion(object)
                        }else{
                            print("Result is an array");
                        }
                        
                        
                    } catch {
                        print("json error: \(error)")
                    }
                    
                    
                } })
        })
        
        if(Controller.isConnectedToNetwork()){
            print("internet connectivity found ")
            task.resume()
        }else{
            self.View.removeFromSuperview()
            print("internet connectivity not found ")
            
            let alert = UIAlertController(title: "Error", message: "internet connectivity not found. please connect to internet !", preferredStyle: .alert)
            
            let cancel = UIAlertAction(title: "Retry", style: .default, handler: { action in
                //self.task.resume()
                self.task.resume()
                self.View.addSubview(self.Process)
                self.Process.startAnimating()
                VC.view.addSubview(self.View)

                
            })
            
            let cancel1 = UIAlertAction(title: "Cancel", style: .cancel, handler: { action in
                
                
            })
            
            alert.addAction(cancel)
            alert.addAction(cancel1)
            VC.present(alert, animated: true, completion: {})
            
            
        }
        
        
    }
    
    override init() {
        
    }
    
    
    
    
    
    
}
class MyImageCache {
    
    static let sharedCache: NSCache = { () -> NSCache<AnyObject, AnyObject> in
        let cache = NSCache<AnyObject, AnyObject>()
        cache.name = "weebook"
        cache.countLimit = 200
        cache.totalCostLimit = 100*1024*1024 // Max 100MB used.
        return cache
    }()
}

extension Foundation.URL {
    
    typealias ImageCacheCompletion = (UIImage) -> Void
    
    
    var cachedImage: UIImage? {
        return MyImageCache.sharedCache.object(
            forKey: absoluteString as AnyObject) as? UIImage
    }
    
    
    func fetchImage(_ completion: @escaping ImageCacheCompletion) {
        let task = URLSession.shared.dataTask(with: self, completionHandler: {
            data, response, error in
            if error == nil {
                if let  data = data,
                    let image = UIImage(data: data) {
                    MyImageCache.sharedCache.setObject(
                        image,
                        forKey: self.absoluteString as AnyObject,
                        cost: data.count)
                    DispatchQueue.main.async {
                        completion(image)
                    }
                }
            }
        })
        task.resume()
    }
    
}
var Service : WebService = WebService()