navigate back to wallet after share coupon

@@ -44,6 +44,7 @@ import AVFoundation
     var barcodeVisible: Bool = false;
     
     public var coupon: swiftApi.CouponItemModel?
+    public var isFromWallet: Bool? = false
     
     public override func viewDidLoad() {
         super.viewDidLoad()
@@ -235,6 +236,7 @@ import AVFoundation
         let storyboard = UIStoryboard(name: "Main", bundle: Bundle(for: MyEmptyClass.self))
         let vc = storyboard.instantiateViewController(withIdentifier: "ShareViewController") as! SwiftWarplyFramework.ShareViewController
         vc.coupon = self.coupon
+        vc.isFromWallet = self.isFromWallet
         self.navigationController?.pushViewController(vc, animated: true)
     }
 

@@ -26,6 +26,7 @@ import UIKit
     let uiscreen: CGRect = UIScreen.main.bounds
     
     public var coupon: swiftApi.CouponItemModel?
+    public var isFromWallet: Bool? = false
     var selectedNumber: String = ""
     var numbersList: Array<String> = []
     
@@ -163,6 +164,29 @@ import UIKit
         }))
         self.present(alert, animated: true, completion: nil)
     }
+
+    func showSuccessDialog(_ alertTitle: String, _ alertSubTitle: String) -> Void {
+
+        let alert = UIAlertController(title: alertTitle, message: alertSubTitle, preferredStyle: .alert)
+        alert.addAction(UIAlertAction(title: "OK", style: .default, handler: { action in
+            switch action.style{
+                case .default:
+                if (self.isFromWallet == true) {
+                    self.popBack(3)
+                } else {
+                    print("default")
+                }
+                
+                case .cancel:
+                print("cancel")
+
+                case .destructive:
+                print("destructive")
+
+            }
+        }))
+        self.present(alert, animated: true, completion: nil)
+    }
     
     // MARK: - API Calls
     func getProfileRequest() {
@@ -189,7 +213,6 @@ import UIKit
         if (response != nil) {
             DispatchQueue.main.async {
                 if (response?.getStatus == 1) {
-                    self.showDialog("Συγχαρητήρια!","Μόλις έκανες δώρο ένα κουπόνι!")
                     
                    swiftApi().getCouponsAsync(getCouponsCallback)
 
@@ -197,6 +220,7 @@ import UIKit
                        if (couponsData != nil) {
 
                            DispatchQueue.main.async {
+                            self.showSuccessDialog("Συγχαρητήρια!","Μόλις έκανες δώρο ένα κουπόνι!")
                            }
                        } else {
                        }

@@ -63,6 +63,16 @@ extension UIViewController {
         self.navigationItem.titleView = titleLabel
         
     }
+
+    // pop back n viewcontroller
+    func popBack(_ nb: Int) {
+        if let viewControllers: [UIViewController] = self.navigationController?.viewControllers {
+            guard viewControllers.count < nb else {
+                self.navigationController?.popToViewController(viewControllers[viewControllers.count - nb], animated: true)
+                return
+            }
+        }
+    }
 }
 
 extension String {

@@ -412,6 +412,7 @@ extension WalletViewController: UITableViewDelegate, UITableViewDataSource{
        let storyboard = UIStoryboard(name: "Main", bundle: Bundle(for: MyEmptyClass.self))
        let vc = storyboard.instantiateViewController(withIdentifier: "CouponBarcodeViewController") as! SwiftWarplyFramework.CouponBarcodeViewController
        vc.coupon = coupons[indexPath.row]
+       vc.isFromWallet = true
        self.navigationController?.pushViewController(vc, animated: true)
         
     }