Add setVouchersFetched, vouchers_banner event

@@ -77,6 +77,10 @@ import SwiftEventBus
     
     var forYouExpanded: Bool = false;
     
+    
+    // TODO: Add  SwiftEventBus.post("vouchers_banner_pressed") on Voucher Banner press
+    
+   
     public override func viewDidLoad() {
         super.viewDidLoad()
         
@@ -103,6 +107,22 @@ import SwiftEventBus
             }
         }
         
+        SwiftEventBus.onBackgroundThread(self, name: "vouchers_fetched") { result in
+
+            DispatchQueue.main.async {
+                print("=== vouchers_fetched event ===")
+                
+                // TODO: hide Spinner
+                
+                if (swiftApi().getShowVouchersBanner() == "true") {
+                    // TODO: show Vouchers Banner
+                } else {
+                    // TODO: hide Vouchers Banner
+                }
+                
+            }
+        }
+        
         // TODO: DELETE ===>
 //        let coupon = swiftApi.ActiveDFYCouponModel()
 //        coupon._value = "12"
@@ -462,6 +482,16 @@ import SwiftEventBus
         // TODO: DELETE if emptyView is needed again
         emptyView.isHidden = true
         emptyViewHeight.constant = 0
+        
+        if (swiftApi().getShowVouchersBanner() == "") {
+            // TODO: show Spinner
+            // TODO: hide Vouchers Banner
+        } else if (swiftApi().getShowVouchersBanner() == "true") {
+            // TODO: show Vouchers Banner
+        } else {
+            // TODO: hide Vouchers Banner
+        }
+        
     }
 
     public override func viewWillAppear(_ animated: Bool) {
@@ -530,6 +560,11 @@ import SwiftEventBus
 
         self.stopTimer()
         self.navigationController?.navigationBar.layer.shadowOpacity = 0.0
+        
+        if self.isMovingFromParent {
+            // Clear ShowVouchersBanner state
+            swiftApi().clearShowVouchersBanner();
+        }
     }
     
     public override func viewDidLayoutSubviews() {

@@ -35,6 +35,7 @@ public struct GlobalVariables {
     static var merchantList: Array<swiftApi.MerchantModel> = []
     static var trackingStepsEnabled: Bool = false
     static var carouselList: Array<swiftApi.CampaignItemModel> = []
+    static var showVouchersBanner: String = ""  // We use String in order to have 3 different states: "", "true", "false"
 }
 
 var timer: DispatchSourceTimer?
@@ -167,6 +168,32 @@ public class swiftApi {
     }
 
     
+    public func setShowVouchersBanner(_ newValue: String) {
+        GlobalVariables.showVouchersBanner = newValue
+    }
+    
+
+    public func getShowVouchersBanner() -> String {
+        return GlobalVariables.showVouchersBanner
+    }
+    
+
+    public func clearShowVouchersBanner() -> Void {
+        GlobalVariables.showVouchersBanner = ""
+    }
+
+
+    public func setVouchersFetched(_ success: Bool) -> Void {
+        if (success == true) {
+            setShowVouchersBanner("true")
+        } else {
+            setShowVouchersBanner("false")
+        }
+        
+        SwiftEventBus.post("vouchers_fetched")
+    }
+
+    
     public func startTrackingSteps(_ getStepsCallback: @escaping (_ steps: Int) -> Void) -> Void {
 
         if (GlobalVariables.trackingStepsEnabled == false) {