fix for navigating back from coupons and more

@@ -7,6 +7,9 @@
 
 #if canImport(SwiftUI)
 import SwiftUI
+import Combine
+import Foundation
+
 
 class DataModel {
     var data: Array<NSDictionary> = []
@@ -50,63 +53,42 @@ class DataModel {
     }
 }
 
-struct UrlImageView: View {
-    @ObservedObject var urlImageModel: UrlImageModel
-
-    init(urlString: String?) {
-        urlImageModel = UrlImageModel(urlString: urlString)
+class ImageLoader: ObservableObject {
+    var didChange = PassthroughSubject<Data, Never>()
+    var data = Data() {
+        didSet {
+            didChange.send(data)
+        }
     }
 
-    var body: some View {
-        Image(uiImage: urlImageModel.image ?? UrlImageView.defaultImage!)
-            .resizable()
-            .scaledToFill()
+    init(urlString:String) {
+        guard let url = URL(string: urlString) else { return }
+        let task = URLSession.shared.dataTask(with: url) { data, response, error in
+            guard let data = data else { return }
+            DispatchQueue.main.async {
+                self.data = data
+            }
+        }
+        task.resume()
     }
-
-    static var defaultImage = UIImage(systemName: "photo")
 }
 
-class UrlImageModel: ObservableObject {
-    @Published var image: UIImage?
-    var urlString: String?
+struct ImageView: View {
+    @ObservedObject var imageLoader:ImageLoader
+    @State var image:UIImage = UIImage()
 
-    init(urlString: String?) {
-        self.urlString = urlString
-        loadImage()
+    init(withURL url:String) {
+        imageLoader = ImageLoader(urlString:url)
     }
 
-    func loadImage() {
-        loadImageFromUrl()
-    }
-
-    func loadImageFromUrl() {
-        guard let urlString = urlString else {
-            return
-        }
-        
-        let url = URL(string: urlString)!
-        let task = URLSession.shared.dataTask(with: url, completionHandler:
-        getImageFromResponse(data:response:error:))
-        task.resume()
-    }
-
-
-    func getImageFromResponse(data: Data?, response: URLResponse?, error: Error?)
-    {
-        guard error == nil else {
-            print("Error: \(error!)")
-            return
-        }
-        guard let data = data else {
-            print("No data found")
-            return
-        }
+    var body: some View {
         
-        DispatchQueue.main.async {
-            guard let loadedImage = UIImage(data: data) else {
-                return
-            }
-            self.image = loadedImage
+            Image(uiImage: image)
+                .resizable()
+                .aspectRatio(contentMode: .fit)
+//                .frame(width:100, height:100)
+                .onReceive(imageLoader.didChange) { data in
+                self.image = UIImage(data: data) ?? UIImage()
         }
     }
 }
@@ -117,41 +99,61 @@ extension CouponsView {
         var uiscreen = UIScreen.main.bounds
         
         var body: some View {
-            ZStack {
+            HStack {
                Image("ic_back", bundle: Bundle(for: MyEmptyClass.self))
                    .resizable()
-                   .frame(width: self.uiscreen.height * 0.025, height: self.uiscreen.height * 0.02)
-                   .offset(x: -self.uiscreen.width / 2 + self.uiscreen.width * 0.05, y: self.uiscreen.height * 0.07)
+                   .frame(width: self.uiscreen.width * 0.025, height: self.uiscreen.height * 0.02)
+                   .offset(x: -self.uiscreen.width / 2 + self.uiscreen.width * 0.05, y: self.uiscreen.height * 0.04)
                 Text("Όλα τα κουπόνια μου")
                     .frame(width: self.uiscreen.width * 0.8, height: self.uiscreen.height * 0.025, alignment: .center)
-                    .offset( y:  self.uiscreen.height * 0.07)
-                    .frame(width: self.uiscreen.width)
+                    .offset( y:  self.uiscreen.height * 0.04)
             }
+            .frame(width: self.uiscreen.width, height: self.uiscreen.height * 0.12)
         }
     }
     
-    
-    
     struct couponView: View {
         var result: NSDictionary
         var index: Int
         
         var uiscreen = UIScreen.main.bounds
+
+        static func localizedWithParameter(parameter: String) -> LocalizedStringKey {
+            return "\(parameter)"
+        }
         
         var body: some View {
-            ZStack {
-                UrlImageView(urlString: result["img_preview"] as? String)
-                    .frame(width: self.uiscreen.height * 0.25, height: self.uiscreen.height * 0.05, alignment: .leading)
-                    .offset(x: self.uiscreen.width * 0.05, y: self.uiscreen.height * 0.06)
 
+            HStack(alignment: .center) {
+                HStack(alignment: .center) {
+                    ImageView(withURL: result["img_preview"] as! String)
+                        .frame(width: self.uiscreen.width * 0.2, height: self.uiscreen.height * 0.05)
+//                        .offset(x: -self.uiscreen.width / 2 + self.uiscreen.width * 0.2, y: -self.uiscreen.height * 0.05 * 0.96)
+//                        .padding(.leading, self.uiscreen.width * 0.05)
+                    Rectangle()
+                        .frame(width: 1, height: self.uiscreen.height * 0.1 * 0.93)
+//                        .offset(x: -self.uiscreen.width / 2 + self.uiscreen.width * 0.205, y: -self.uiscreen.height * 0.05 * 0.93)
+                    VStack {
+                        Text(CouponsView.couponView.localizedWithParameter(parameter: result["admin_name"] as! String))
+                        Text(CouponsView.couponView.localizedWithParameter(parameter: result["discount"] as! String))
+                        Text(CouponsView.couponView.localizedWithParameter(parameter: "Ισχύει εώς " + (result["expiration"] as! String).components(separatedBy: [" "]).filter({!$0.isEmpty})[0]))
+                    }
+                    .frame(maxHeight: .infinity)
+                    VStack {
+                        Text(CouponsView.couponView.localizedWithParameter(parameter: result["short_description"] as! String))
+                    }
+                    .frame(maxWidth: self.uiscreen.width * 0.15, maxHeight: .infinity)
+                    
+                }
+                .frame(maxWidth: .infinity, maxHeight: .infinity)
+                
             }
             .background(
                 Image("coupons_container", bundle: Bundle(for: MyEmptyClass.self))
-                    .resizable()
-                    .offset(x: self.uiscreen.width * 0.05, y: (CGFloat(index + 1) * self.uiscreen.height * 0.06) + CGFloat(index) * self.uiscreen.height * 0.17)
-                    .padding()
-                    .frame(width: UIScreen.main.bounds.width * 0.9, height: UIScreen.main.bounds.height * 0.17, alignment: .topLeading)
             )
+//            .padding(.top, self.uiscreen.height * 0.05)
+            .frame(width: self.uiscreen.width * 0.9, height: self.uiscreen.height * 0.1)
+            .background(Color.purple)
         }
     }
     
@@ -174,10 +176,12 @@ struct CouponsView: View {
                             couponView(result: result, index: index)
                         }
                     }
-            }
-            .frame(width:self.uiscreen.width, height:self.uiscreen.height )
-            }
+                }
+            
+            }.frame(width:self.uiscreen.width, height:self.uiscreen.height * 0.88 )
         }
+        .frame(width:self.uiscreen.width, height:self.uiscreen.height )
+        .background(Color.red)
     }
 }
 #endif

@@ -11,8 +11,8 @@ import SwiftUI
 @available(iOS 13.0.0, *)
 @objc public class CouponsViewInterface : NSObject {
 
-    @objc static public func couponsViewController() -> UIViewController {
-        return UIHostingController(rootView: CouponsView())
+    @objc(couponsViewController:) static public func couponsViewController(parentView: UIView?) -> UIViewController {
+        return UIHostingController(rootView: CouponsView(parentView: parentView!))
     }
 
 }

@@ -15,7 +15,7 @@
 + (void)init:(NSDictionary *)launchOptions uuid:(NSString*)uuid merchantId:(NSString*)merchantId lang:(NSString*)lang;
 - (void) setToStage;
 - (void) setLang:(NSString*) lang;
-- (UIViewController *) openCoupons;
+- (UIViewController *) openCoupons:(UIView*) parentView;
 - (void) applicationDidEnterBackground:(UIApplication *)application;
 - (void) applicationWillEnterForeground:(UIApplication *)application;
 - (void) applicationDidBecomeActive:(UIApplication *)application;

@@ -46,12 +46,8 @@ NSString *LANG;
     LANG = lang;
 }
 
-- (UIViewController *) openCoupons{
-    
-    UIViewController *couponsViewController = [CouponsViewInterface couponsViewController];
-//    controller = [[UINavigationController alloc]initWithRootViewController:profileViewController];
-
-//    [window makeKeyAndVisible];
+- (UIViewController *) openCoupons:(UIView*) parentView{
+    UIViewController *couponsViewController = [CouponsViewInterface couponsViewController:parentView];
     return couponsViewController;
 }