Support Automatic Updating

TransactionMobile.Maui.BusinessLogic/TransactionMobile.Maui.BusinessLogic.csproj

@@ -28,6 +28,8 @@
 		<PackageReference Include="SQLitePCLRaw.provider.sqlite3" Version="2.1.0" />
 		<PackageReference Include="SQLitePCLRaw.bundle_green" Version="2.1.0" />
 		<PackageReference Include="SQLitePCLRaw.provider.dynamic_cdecl" Version="2.1.0" />
+		<PackageReference Include="Microsoft.AppCenter" Version="4.1.0" />
+		<PackageReference Include="Microsoft.AppCenter.Distribute" Version="4.1.0" />
 	</ItemGroup>
 
 	<ItemGroup>

TransactionMobile.Maui.BusinessLogic/UIServices/IDialogService.cs

@@ -0,0 +1,44 @@
+namespace TransactionMobile.Maui.BusinessLogic.UIServices;
+
+public interface IDialogService
+{
+    #region Methods
+
+    Task ShowDialog(String title,
+                    String message,
+                    String acceptString);
+
+    Task<Boolean> ShowDialog(String title,
+                             String message,
+                             String acceptString,
+                             String cancelString);
+
+    Task ShowErrorToast(String message,
+                        Action? action,
+                        String? actionButtonText,
+                        TimeSpan? duration,
+                        CancellationToken cancellationToken);
+
+    Task ShowInformationToast(String message,
+                              Action? action,
+                              String? actionButtonText,
+                              TimeSpan? duration,
+                              CancellationToken cancellationToken);
+
+    Task<String> ShowPrompt(String title,
+                            String message,
+                            String acceptString,
+                            String cancelString,
+                            String placeHolder = "",
+                            Int32 maxLength = -1,
+                            Keyboard keyboard = null,
+                            String initialValue = "");
+
+    Task ShowWarningToast(String message,
+                          Action? action,
+                          String? actionButtonText,
+                          TimeSpan? duration,
+                          CancellationToken cancellationToken);
+
+    #endregion
+}

TransactionMobile.Maui.BusinessLogic/ViewModels/HomePageViewModel.cs

@@ -0,0 +1,92 @@
+namespace TransactionMobile.Maui.BusinessLogic.ViewModels;
+
+using Microsoft.AppCenter;
+using Microsoft.AppCenter.Distribute;
+using Models;
+using MvvmHelpers;
+using Services;
+using UIServices;
+
+public class HomePageViewModel : BaseViewModel
+{
+    #region Fields
+
+    private readonly IDialogService DialogService;
+
+    private readonly IMemoryCacheService MemoryCacheService;
+
+    #endregion
+
+    #region Constructors
+
+    public HomePageViewModel(IMemoryCacheService memoryCacheService,
+                             IDialogService dialogService) {
+        this.MemoryCacheService = memoryCacheService;
+        this.DialogService = dialogService;
+    }
+
+    #endregion
+
+    #region Methods
+
+    public async Task Initialise(CancellationToken cancellationToken) {
+        this.MemoryCacheService.TryGetValue("Configuration", out Configuration configuration);
+
+        if (configuration.EnableAutoUpdates) {
+            await Distribute.SetEnabledAsync(true);
+            Distribute.CheckForUpdate();
+            Distribute.ReleaseAvailable = this.OnReleaseAvailable;
+            Distribute.UpdateTrack = UpdateTrack.Public;
+        }
+        else {
+            Distribute.DisableAutomaticCheckForUpdate();
+        }
+
+        if (this.IsIOS() == false) {
+            // TODO: Move the keys to config service
+            AppCenter.Configure("android=f920cc96-de56-42fe-87d4-b49105761205;" + "ios=dd940171-ca8c-4219-9851-f83769464f37;" +
+                                "uwp=3ad27ea3-3f24-4579-a88a-530025bd00d4;" + "macos=244fdee2-f897-431a-8bab-5081fc90b329;");
+            AppCenter.Start(typeof(Distribute));
+        }
+    }
+
+    private Boolean IsIOS() => DeviceInfo.Current.Platform == DevicePlatform.iOS;
+
+    private Boolean OnReleaseAvailable(ReleaseDetails releaseDetails) {
+        // Look at releaseDetails public properties to get version information, release notes text or release notes URL
+        String versionName = releaseDetails.ShortVersion;
+        String versionCodeOrBuildNumber = releaseDetails.Version;
+        String releaseNotes = releaseDetails.ReleaseNotes;
+        Uri releaseNotesUrl = releaseDetails.ReleaseNotesUrl;
+
+        // custom dialog
+        String title = "Version " + versionName + " available!";
+        Task answer;
+
+        // On mandatory update, user can't postpone
+        if (releaseDetails.MandatoryUpdate) {
+            answer = this.DialogService.ShowDialog(title, releaseNotes, "Download and Install");
+        }
+        else {
+            answer = this.DialogService.ShowDialog(title, releaseNotes, "Download and Install", "Later");
+        }
+
+        answer.ContinueWith(task => {
+                                // If mandatory or if answer was positive
+                                if (releaseDetails.MandatoryUpdate || (task as Task<Boolean>).Result) {
+                                    // Notify SDK that user selected update
+                                    Distribute.NotifyUpdateAction(UpdateAction.Update);
+                                }
+                                else {
+                                    // Notify SDK that user selected postpone (for 1 day)
+                                    // This method call is ignored by the SDK if the update is mandatory
+                                    Distribute.NotifyUpdateAction(UpdateAction.Postpone);
+                                }
+                            });
+
+        // Return true if you're using your own dialog, false otherwise
+        return true;
+    }
+
+    #endregion
+}

TransactionMobile.Maui.BusinessLogic/ViewModels/LoginPageViewModel.cs

@@ -125,6 +125,7 @@ private async Task LoginCommandExecute()
             this.MemoryCacheService.Set("IsLoggedIn", true);
 
             await this.NavigationService.GoToHome();
+
         }
 
         private async void AccessTokenExpired(Object key,

TransactionMobile.Maui/Extensions/MauiAppBuilderExtensions.cs

@@ -26,6 +26,7 @@
     using TransactionMobile.Maui.Pages.Support;
     using System;
     using BusinessLogic.ViewModels.MyAccount;
+    using Pages.AppHome;
     using Pages.MyAccount;
 
     public static class MauiAppBuilderExtensions
@@ -182,7 +183,7 @@ public static MauiAppBuilder ConfigureTrainingServices(this MauiAppBuilder build
 
         public static MauiAppBuilder ConfigureUIServices(this MauiAppBuilder builder)
         {
-        //    builder.Services.AddSingleton<IDialogService, DialogService>();
+            builder.Services.AddSingleton<IDialogService, DialogService>();
             builder.Services.AddSingleton<INavigationService, ShellNavigationService>();
             builder.Services.AddSingleton<IApplicationInfoService, ApplicationInfoService>();
             return builder;
@@ -232,6 +233,8 @@ public static MauiAppBuilder ConfigureViewModels(this MauiAppBuilder builder)
 
             builder.Services.AddTransient<MyAccountPageViewModel>();
 
+            builder.Services.AddTransient<HomePageViewModel>();
+
             return builder;
         }
 
@@ -258,6 +261,8 @@ public static MauiAppBuilder ConfigurePages(this MauiAppBuilder builder)
 
             builder.Services.AddTransient<MyAccountPage>();
 
+            builder.Services.AddTransient<HomePage>();
+
             return builder;
         }
 

TransactionMobile.Maui/Pages/AppHome/HomePage.xaml.cs

@@ -1,13 +1,30 @@
 namespace TransactionMobile.Maui.Pages.AppHome;
 
+using BusinessLogic.ViewModels;
+
 public partial class HomePage : ContentPage
 {
-	public HomePage()
-	{
-		InitializeComponent();
-	}
+    #region Constructors
+
+    public HomePage(HomePageViewModel vm) {
+        this.InitializeComponent();
+        this.BindingContext = vm;
+    }
+
+    #endregion
+
+    #region Properties
 
-    protected override void OnAppearing() {
+    private HomePageViewModel viewModel => this.BindingContext as HomePageViewModel;
+
+    #endregion
+
+    #region Methods
+
+    protected override async void OnAppearing() {
         base.OnAppearing();
+        await this.viewModel.Initialise(CancellationToken.None);
     }
+
+    #endregion
 }

TransactionMobile.Maui/Pages/Transactions/MobileTopup/MobileTopupSelectProductPage.xaml.cs

@@ -6,49 +6,51 @@ namespace TransactionMobile.Maui.Pages.Transactions.MobileTopup;
 
 public partial class MobileTopupSelectProductPage : ContentPage
 {
-    private MobileTopupSelectProductPageViewModel viewModel => BindingContext as MobileTopupSelectProductPageViewModel;
+    #region Constructors
 
-	public MobileTopupSelectProductPage(MobileTopupSelectProductPageViewModel vm)
-	{
-		InitializeComponent();
-        BindingContext = vm;
+    public MobileTopupSelectProductPage(MobileTopupSelectProductPageViewModel vm) {
+        this.InitializeComponent();
+        this.BindingContext = vm;
     }
 
-    protected override async void OnAppearing()
-    {
+    #endregion
+
+    #region Properties
+
+    private MobileTopupSelectProductPageViewModel viewModel => this.BindingContext as MobileTopupSelectProductPageViewModel;
+
+    #endregion
+
+    #region Methods
+
+    protected override async void OnAppearing() {
         base.OnAppearing();
-        await viewModel.Initialise(CancellationToken.None);
-        this.LoadProducts(viewModel);
+        await this.viewModel.Initialise(CancellationToken.None);
+        this.LoadProducts(this.viewModel);
     }
 
-    private void LoadProducts(MobileTopupSelectProductPageViewModel viewModel)
-    {
+    private void LoadProducts(MobileTopupSelectProductPageViewModel viewModel) {
         this.ProductsList.Clear();
-        
+
         Int32 rowCount = 0;
-        foreach (ContractProductModel modelProduct in viewModel.Products)
-        {
-            Button button = new Button
-            {
-                                  Text = modelProduct.ProductDisplayText,
-                                  HorizontalOptions = LayoutOptions.FillAndExpand,
-                                  AutomationId = modelProduct.ProductDisplayText,
-            };
+        foreach (ContractProductModel modelProduct in viewModel.Products) {
+            Button button = new Button {
+                                           Text = modelProduct.ProductDisplayText,
+                                           HorizontalOptions = LayoutOptions.FillAndExpand,
+                                           AutomationId = modelProduct.ProductDisplayText,
+                                       };
             button.SetDynamicResource(VisualElement.StyleProperty, "MobileTopupButtonStyle");
 
-            Binding commandParameter = new Binding()
-                                       {
-                                           Source = new ItemSelected<ContractProductModel>
-                                                    {
-                                                        SelectedItem = modelProduct,
-                                                        SelectedItemIndex = rowCount
-                                                    }
-                                       };
+            Binding commandParameter = new Binding {
+                                                       Source = new ItemSelected<ContractProductModel> {
+                                                                                                           SelectedItem = modelProduct,
+                                                                                                           SelectedItemIndex = rowCount
+                                                                                                       }
+                                                   };
 
-            Binding command = new Binding
-                              {
-                                  Source = viewModel.ProductSelectedCommand
-                              };
+            Binding command = new Binding {
+                                              Source = viewModel.ProductSelectedCommand
+                                          };
 
             button.SetBinding(Button.CommandProperty, command);
             button.SetBinding(Button.CommandParameterProperty, commandParameter);
@@ -58,4 +60,6 @@ private void LoadProducts(MobileTopupSelectProductPageViewModel viewModel)
             rowCount++;
         }
     }
+
+    #endregion
 }