Checkversion new

gistfile1.txt

//
//  CheckAppVersion.swift
//  ENEOSPOS
//
//  Created by Than Htike Aung on 12/2/16.
//  Copyright © 2016 CODIUM. All rights reserved.
//

import UIKit

class CheckAppVersion: NSObject {
    static var sharedInstance = CheckAppVersion()
    
    var isChecking = false

    func canCheck() -> Bool {
        let check = self.isChecking
        if !check {
            self.isChecking = !check
        }
        return check
    }
    
    func checkingAppVersion() {
        if !self.canCheck() {
            let appIdentifier = MTConfiguration.appIdentifier()
            let identifier = appIdentifier.componentsSeparatedByString(".")
            let appUrl = "\(identifier[identifier.count - 2])-\(identifier[identifier.count - 1])"
            NSLog("Check App version URL : \(appUrl), uuid : \(Utils.deviceUUID())")

            let ckeckVersionURL = "\(EndpointURLs.appLatest)\(appUrl)/latest/"
            APIHandler.get(
                endpointURL: ckeckVersionURL,
                isMockAPI: false,
                params: nil,
                success: { (response) in
                    let result = response as! [String: AnyObject]
                    let appVersion = result["version"] as! String
                    let downloadURL = result["manifest"] as! String
                    let currentVersion = Utils.getStoreAppVersion() as String
                    
                    self.isChecking = false
                    // different version
                    if appVersion.compare(currentVersion, options: NSStringCompareOptions.NumericSearch, range: nil, locale: nil) == NSComparisonResult.OrderedDescending {
                        
                        let alert = UIAlertController(title: NSLocalizedString("Attention", comment: "Attention"), message: NSLocalizedString("There is new App Version", comment: "There is new App Version"), preferredStyle: UIAlertControllerStyle.Alert)
                        let cancelAction = UIAlertAction(title: NSLocalizedString("Cancel", comment: "Cancel"), style: UIAlertActionStyle.Default, handler: nil)
                        
                        let okAction = UIAlertAction(title: NSLocalizedString("Install", comment: "Install"), style: UIAlertActionStyle.Default, handler: { action in
                            NSLog("Download URL : \(downloadURL)")
                            let itmsURL = "itms-services://?action=download-manifest&url=\(downloadURL)"
                            
                            NSLog("itmsURL : \(itmsURL)")
                            UIApplication.sharedApplication().openURL(NSURL(string: itmsURL)!)
                        })
                        
                        alert.addAction(cancelAction)
                        alert.addAction(okAction)
                        UIApplication.sharedApplication().keyWindow?.rootViewController!.presentViewController(alert, animated: true, completion: nil)
                    }
                    
                }, failed: { (message, statusCode) in
                    self.isChecking = false
                    NSLog("❗\(self.dynamicType) GET Error: \(message), Status code: \(statusCode)")
            })
        }
    }
}