Create Multifile Uploader in PHP and Swift using Task

    func generateBoundaryString() -> String {
        return "Boundary-\(NSUUID().uuidString)"
    }
    

    
    //  Mark Upload Multipe Images
    func UploadMultipleImages(images: [UIImage]){
        
        print("Service: ", images)
        for image in images {
            let pngImage = image
            imagesData.append(pngImage.pngData()!)
            print(imagesData)
            
        }
        let url = URL(string:"https://example.com/api/v1/multifileupload")
        var uploadMultipleImage = URLRequest(url:url!)
        let boundary = generateBoundaryString()
        uploadMultipleImage.setValue("multipart/form-data; boundary=\(boundary)", forHTTPHeaderField: "Content-Type")
        uploadMultipleImage.httpMethod = "POST"
        uploadMultipleImage.setValue("Basic cmVzdGF1cmFudEFETUlOOnJlc3RhdXJhbnRQQFNTV09SRA==", forHTTPHeaderField: "Authorization")
        uploadMultipleImage.addValue("dalkjdsadsasdjljds==", forHTTPHeaderField: "ApiKey")
        
        
        let body = createBody(parameters: ["name":"ahmad","file[]":images], boundary: boundary) as Data
        
        let uploadMultipleImageTask = URLSession.shared.uploadTask(with: uploadMultipleImage as URLRequest, from : body){
            data, response, error in
            
            
            do {
                
                let jsonResult = try JSONSerialization.jsonObject(with: data!, options: JSONSerialization.ReadingOptions.mutableContainers) as! [String:Any]
                
                //status, count, msg, result
                /*
                 {
                 "status": "failed",
                 "count": 0,
                 "result": [
                 "no valid files"
                 ],
                 "msg": "no valid files"
                 }
                 */
                let status = jsonResult["status"] as? String //"failed"
                let count = jsonResult["count"] as? Int
                let msg = jsonResult["msg"] as? String
                let result = jsonResult["result"] as? NSDictionary
                
                //  Notify to presenter
              //  self.editorViewPresenterInterface?.uploadMultipleImageSuccessMessage(message: jsonData!)
                //print(jsonData!)
                
            } catch {
                
                print("JSON Processing Failed")
                
            }
            
        }
        uploadMultipleImageTask.resume()
    }
    
    
    func createBody(parameters: NSMutableDictionary?,boundary: String) -> NSData {
        let body = NSMutableData()
        
        if parameters != nil {
            for (key, value) in parameters! {
                
                if(value is String || value is NSString){
                    body.append("--\(boundary)\r\n".data(using: .utf8)!)
                    body.append("Content-Disposition: form-data; name=\"\(key)\"\r\n\r\n".data(using: .utf8)!)
                    body.append("\(value)\r\n".data(using: .utf8)!)
                }
                    
                else if(value is [UIImage]){
                    var i = 0;
                    for image in value as! [UIImage]{
                        let filename = "image\(i).jpg"
                        let data = image.pngData();
                        
                        let mimetype = "image/png"
                        
                        body.append("--\(boundary)\r\n".data(using: .utf8)!)
                        body.append("Content-Disposition: form-data; name=\"\(key)\"; filename=\"\(filename)\"\r\n".data(using: .utf8)!)
                        body.append("Content-Type: \(mimetype)\r\n\r\n".data(using: .utf8)!)
                        body.append(data!)
                        body.append("\r\n".data(using: .utf8)!)
                        i = i + 1;
                    }
                    
                    
                }
            }
        }
        body.append("--\(boundary)--\r\n".data(using: .utf8)!)
        return body
    }

100

101

func generateBoundaryString() -> String {

return "Boundary-\(NSUUID().uuidString)"

}

// Mark Upload Multipe Images

func UploadMultipleImages(images: [UIImage]){

print("Service: ", images)

for image in images {

let pngImage = image

imagesData.append(pngImage.pngData()!)

print(imagesData)

}

let url = URL(string:"https://example.com/api/v1/multifileupload")

var uploadMultipleImage = URLRequest(url:url!)

let boundary = generateBoundaryString()

uploadMultipleImage.setValue("multipart/form-data; boundary=\(boundary)", forHTTPHeaderField: "Content-Type")

uploadMultipleImage.httpMethod = "POST"

uploadMultipleImage.setValue("Basic cmVzdGF1cmFudEFETUlOOnJlc3RhdXJhbnRQQFNTV09SRA==", forHTTPHeaderField: "Authorization")

uploadMultipleImage.addValue("dalkjdsadsasdjljds==", forHTTPHeaderField: "ApiKey")

let body = createBody(parameters: ["name":"ahmad","file[]":images], boundary: boundary) as Data

let uploadMultipleImageTask = URLSession.shared.uploadTask(with: uploadMultipleImage as URLRequest, from : body){

data, response, error in

do {

let jsonResult = try JSONSerialization.jsonObject(with: data!, options: JSONSerialization.ReadingOptions.mutableContainers) as! [String:Any]

//status, count, msg, result

{

"status": "failed",

"count": 0,

"result": [

"no valid files"

"msg": "no valid files"

}

let status = jsonResult["status"] as? String //"failed"

let count = jsonResult["count"] as? Int

let msg = jsonResult["msg"] as? String

let result = jsonResult["result"] as? NSDictionary

// Notify to presenter

// self.editorViewPresenterInterface?.uploadMultipleImageSuccessMessage(message: jsonData!)

//print(jsonData!)

} catch {

print("JSON Processing Failed")

}

uploadMultipleImageTask.resume()

}

func createBody(parameters: NSMutableDictionary?,boundary: String) -> NSData {

let body = NSMutableData()

if parameters != nil {

for (key, value) in parameters! {

if(value is String || value is NSString){

body.append("--\(boundary)\r\n".data(using: .utf8)!)

body.append("Content-Disposition: form-data; name=\"\(key)\"\r\n\r\n".data(using: .utf8)!)

body.append("\(value)\r\n".data(using: .utf8)!)

}

else if(value is [UIImage]){

var i = 0;

for image in value as! [UIImage]{

let filename = "image\(i).jpg"

let data = image.pngData();

let mimetype = "image/png"

body.append("--\(boundary)\r\n".data(using: .utf8)!)

body.append("Content-Disposition: form-data; name=\"\(key)\"; filename=\"\(filename)\"\r\n".data(using: .utf8)!)

body.append("Content-Type: \(mimetype)\r\n\r\n".data(using: .utf8)!)

body.append(data!)

body.append("\r\n".data(using: .utf8)!)

i = i + 1;

}

body.append("--\(boundary)--\r\n".data(using: .utf8)!)

return body

}

About the Author

Hi! I'm Ahmad. I have a degree in Computer Science from Birzeit University and you might call me a bit of computer geek. I am the Founder of Greenbackend Turnkey Solutions a leading Cloud and Hosting Company in the Middle East, Also I am the Founder of Ahmad Naser Turnkey Solutions in Harvey, LA, USA. I'm comfortable with a large range of languages and techniques. After implementing enterprise applications using Salesforce and Siebel CRM for 3 years and with professional experience in building websites, cloud apps, iOS apps, Unity games, Android mobile apps and educational games for 8 years. I decided to share my technical knowledge with people all over the world to benefit from my experience and build their own careers specially because I am a real world example with over 20 successful apps on Google Play Store, Asset Store and Apple Store, So your success is mine and I want to help you reach your goals step by step exactly as I do. I'm passionate about teaching people about technologies, so from time to time I gave courses online and in learning centers and teach beginners and professionals on many technologies and development frameworks. One of my greatest goals in life is growing the next generation of software professionals and to keep teaching programming at every opportunity I get. I can't wait to help you experience the achievement and financial freedom that having a deep understanding of technology brings. So why not start learning to design & develop now by joining our epic Unity 3D professional 2d game development course? See you soon! Ahmad

Create Multifile Uploader in PHP and Swift using Task

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