fix some navigation bugs

TransactionProcessor.Mobile.BusinessLogic/RequestHandlers/MerchantRequestHandler.cs

@@ -92,11 +92,11 @@ public async Task<Result<List<ContractOperatorModel>>> Handle(MerchantQueries.Ge
             }
 
             products = getProductsResult.Data;
+        }
 
-            if (request.ProductType.HasValue)
-            {
-                products = products.Where(p => p.ProductType == request.ProductType).ToList();
-            }
+        if (request.ProductType.HasValue)
+        {
+            products = products.Where(p => p.ProductType == request.ProductType).ToList();
         }
 
         List<ContractOperatorModel> operators = products.GroupBy(c => new

TransactionProcessor.Mobile.BusinessLogic/Services/TrainingModeServices/TrainingMerchantService.cs

@@ -12,7 +12,7 @@ private record Contract(Guid ContractId, Guid OperatorId, string OperatorIdentfi
     private readonly Contract Hospital1Contract = new(Guid.Parse("21DA6AC5-70E6-478E-A5E9-74C9B27F5725"), Guid.Parse("2CA5F4C7-34EC-425B-BB53-7EEDF48D9967"), "Hospital 1 Contract", "Hospital 1 Contract");
     private readonly Contract SafaricomContract = new(Guid.Parse("D57DAC9B-4039-4120-B5A8-F7FDF1D3A3C2"), Guid.Parse("2CA5F4C7-34EC-425B-BB53-7EEDF48D9967"), "Safaricom", "Safaricom");
     private readonly Contract PataPawaPostPayContract = new(Guid.Parse("0615E7F6-2749-4507-8588-E019E8110C95"), Guid.Parse("C485F21B-EF17-448D-8B8C-E217A07C1863"), "PataPawaPostPay", "PataPawaPostPay");
-    private readonly Contract PataPawaPrePayContract = new(Guid.Parse("7AAFFE8D-4EA2-485F-8600-D4D29A0043F0"), Guid.Parse("C485F21B-EF17-448D-8B8C-E217A07C1863"), "PataPawaPrePay", "PataPawaPrePay");
+    private readonly Contract PataPawaPrePayContract = new(Guid.Parse("7AAFFE8D-4EA2-485F-8600-D4D29A0043F0"), Guid.Parse("DD5F1E0D-797C-4A00-ADD8-CA328A8543C3"), "PataPawaPrePay", "PataPawaPrePay");
 
     private static ContractProductModel CreateContractProductModel(Contract contract, string productDisplayText, Guid productId, ProductType productType, decimal? value = null) {
         ContractProductModel product = new() {

TransactionProcessor.Mobile/App.xaml.cs

@@ -153,40 +153,47 @@
 #endif
             MainPage = new AppShell();
 
-            Routing.RegisterRoute("login", typeof(LoginPage));
-            Routing.RegisterRoute("home", typeof(HomePage));
-
-            Routing.RegisterRoute(nameof(MobileTopupSelectOperatorPage), typeof(MobileTopupSelectOperatorPage));
-            Routing.RegisterRoute(nameof(MobileTopupSelectProductPage), typeof(MobileTopupSelectProductPage));
-            Routing.RegisterRoute(nameof(MobileTopupPerformTopupPage), typeof(MobileTopupPerformTopupPage));
-            Routing.RegisterRoute(nameof(MobileTopupSuccessPage), typeof(MobileTopupSuccessPage));
-            Routing.RegisterRoute(nameof(MobileTopupFailedPage), typeof(MobileTopupFailedPage));
-
-            Routing.RegisterRoute(nameof(VoucherSelectOperatorPage), typeof(VoucherSelectOperatorPage));
-            Routing.RegisterRoute(nameof(VoucherSelectProductPage), typeof(VoucherSelectProductPage));
-            Routing.RegisterRoute(nameof(VoucherPerformIssuePage), typeof(VoucherPerformIssuePage));
-            Routing.RegisterRoute(nameof(VoucherIssueSuccessPage), typeof(VoucherIssueSuccessPage));
-            Routing.RegisterRoute(nameof(VoucherIssueFailedPage), typeof(VoucherIssueFailedPage));
-
-            Routing.RegisterRoute(nameof(BillPaymentSelectOperatorPage), typeof(BillPaymentSelectOperatorPage));
-            Routing.RegisterRoute(nameof(BillPaymentSelectProductPage), typeof(BillPaymentSelectProductPage));
-            Routing.RegisterRoute(nameof(BillPaymentGetAccountPage), typeof(BillPaymentGetAccountPage));
-            Routing.RegisterRoute(nameof(BillPaymentGetMeterPage), typeof(BillPaymentGetMeterPage));
-            Routing.RegisterRoute(nameof(BillPaymentPayBillPage), typeof(BillPaymentPayBillPage));
-            Routing.RegisterRoute(nameof(BillPaymentSuccessPage), typeof(BillPaymentSuccessPage));
-            Routing.RegisterRoute(nameof(BillPaymentFailedPage), typeof(BillPaymentFailedPage));
-
-            Routing.RegisterRoute(nameof(AdminPage), typeof(AdminPage));
-            Routing.RegisterRoute(nameof(LoginPage), typeof(LoginPage));
-
-            Routing.RegisterRoute(nameof(ViewLogsPage), typeof(ViewLogsPage));
-
-            Routing.RegisterRoute(nameof(ReportsBalanceAnalysisPage), typeof(ReportsBalanceAnalysisPage));
-            Routing.RegisterRoute(nameof(ReportsSalesAnalysisPage), typeof(ReportsSalesAnalysisPage));
-
-            Routing.RegisterRoute(nameof(MyAccountAddressesPage), typeof(MyAccountAddressesPage));
-            Routing.RegisterRoute(nameof(MyAccountContactPage), typeof(MyAccountContactPage));
-            Routing.RegisterRoute(nameof(MyAccountDetailsPage), typeof(MyAccountDetailsPage));
+            //RegisterRouteOnce("login", typeof(LoginPage));
+            //RegisterRouteOnce("home", typeof(HomePage));
+
+            RegisterRouteOnce(nameof(MobileTopupSelectOperatorPage), typeof(MobileTopupSelectOperatorPage));
+            RegisterRouteOnce(nameof(MobileTopupSelectProductPage), typeof(MobileTopupSelectProductPage));
+            RegisterRouteOnce(nameof(MobileTopupPerformTopupPage), typeof(MobileTopupPerformTopupPage));
+            RegisterRouteOnce(nameof(MobileTopupSuccessPage), typeof(MobileTopupSuccessPage));
+            RegisterRouteOnce(nameof(MobileTopupFailedPage), typeof(MobileTopupFailedPage));
+
+            RegisterRouteOnce(nameof(VoucherSelectOperatorPage), typeof(VoucherSelectOperatorPage));
+            RegisterRouteOnce(nameof(VoucherSelectProductPage), typeof(VoucherSelectProductPage));
+            RegisterRouteOnce(nameof(VoucherPerformIssuePage), typeof(VoucherPerformIssuePage));
+            RegisterRouteOnce(nameof(VoucherIssueSuccessPage), typeof(VoucherIssueSuccessPage));
+            RegisterRouteOnce(nameof(VoucherIssueFailedPage), typeof(VoucherIssueFailedPage));
+
+            RegisterRouteOnce(nameof(BillPaymentSelectOperatorPage), typeof(BillPaymentSelectOperatorPage));
+            RegisterRouteOnce(nameof(BillPaymentSelectProductPage), typeof(BillPaymentSelectProductPage));
+            RegisterRouteOnce(nameof(BillPaymentGetAccountPage), typeof(BillPaymentGetAccountPage));
+            RegisterRouteOnce(nameof(BillPaymentGetMeterPage), typeof(BillPaymentGetMeterPage));
+            RegisterRouteOnce(nameof(BillPaymentPayBillPage), typeof(BillPaymentPayBillPage));
+            RegisterRouteOnce(nameof(BillPaymentSuccessPage), typeof(BillPaymentSuccessPage));
+            RegisterRouteOnce(nameof(BillPaymentFailedPage), typeof(BillPaymentFailedPage));
+            RegisterRouteOnce(nameof(AdminPage), typeof(AdminPage));
+            //RegisterRouteOnce(nameof(LoginPage), typeof(LoginPage));
+
+            RegisterRouteOnce(nameof(ViewLogsPage), typeof(ViewLogsPage));
+
+            RegisterRouteOnce(nameof(ReportsBalanceAnalysisPage), typeof(ReportsBalanceAnalysisPage));
+            RegisterRouteOnce(nameof(ReportsSalesAnalysisPage), typeof(ReportsSalesAnalysisPage));
+
+            RegisterRouteOnce(nameof(MyAccountAddressesPage), typeof(MyAccountAddressesPage));
+            RegisterRouteOnce(nameof(MyAccountContactPage), typeof(MyAccountContactPage));
+            RegisterRouteOnce(nameof(MyAccountDetailsPage), typeof(MyAccountDetailsPage));
+        }
+
+        static readonly HashSet<string> s_registeredRoutes = new();
+
+        static void RegisterRouteOnce(string route, Type pageType)
+        {
+            if (s_registeredRoutes.Add(route))
+                Routing.RegisterRoute(route, pageType);
         }
     }
 

TransactionProcessor.Mobile/UIServices/ShellNavigationService.cs

@@ -37,7 +37,6 @@ public async Task GoBack() {
     }
 
     public async Task GoToHome() {
-        Application.Current.MainPage = new AppShell();
         await NavigateTo("///main/home");
     }
 
@@ -166,7 +165,7 @@ public async Task GoToBillPaymentPayBillPage(ProductDetails productDetails,
 
     public async Task GoToLoginPage() {
         Application.Current.MainPage = new AppShell();
-        await NavigateTo("///loginpage");
+        await NavigateTo("///login");
     }
 
     public async Task GoToViewLogsPage() {