share db

Billing.Shared/App.cs

@@ -1,9 +1,12 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
+using System.IO;
 using System.Threading.Tasks;
 using Billing.Languages;
 using Billing.Models;
 using Billing.Store;
 using Billing.Themes;
+using Billing.UI;
 using Xamarin.Essentials;
 using Xamarin.Forms;
 
@@ -27,7 +30,7 @@ namespace Billing
             InitResources();
 
             MainPage = new MainShell();
-            Shell.Current.GoToAsync("//Splash");
+            //Shell.Current.GoToAsync("//Splash");
         }
 
         protected override void OnStart()
@@ -36,7 +39,7 @@ namespace Billing
             Helper.Debug($"cache folder: {StoreHelper.CacheFolder}");
         }
 
-        internal static async Task InitilalizeData()
+        internal static async Task InitializeData()
         {
             await Task.WhenAll(
                 Task.Run(async () => accounts = await StoreHelper.GetAccountsAsync()),
@@ -79,5 +82,33 @@ namespace Billing
             // TODO: status bar
             Resources = instance;
         }
+
+        public static bool OpenUrl(Uri uri)
+        {
+            if (uri == null)
+            {
+                return true;
+            }
+            var absolute = uri.AbsolutePath;
+            var url = System.Net.WebUtility.UrlDecode(absolute);
+            if (File.Exists(url))
+            {
+                Task.Run(async () =>
+                {
+                    var result = await StoreHelper.ReloadDatabase(url);
+                    //if (result)
+                    {
+                        await InitializeData();
+
+                        var current = Shell.Current.CurrentPage;
+                        if (current is BillingPage page)
+                        {
+                            MainThread.BeginInvokeOnMainThread(() => page.TriggerRefresh());
+                        }
+                    }
+                });
+            }
+            return true;
+        }
     }
 }

Billing.Shared/MainShell.xaml

@@ -10,15 +10,14 @@
        TitleColor="{DynamicResource PrimaryColor}"
        Shell.NavBarHasShadow="True">
 
+    <FlyoutItem>
+        <ShellContent ContentTemplate="{DataTemplate local:SplashPage}" Route="Splash"/>
+    </FlyoutItem>
+
     <TabBar>
         <ShellContent ContentTemplate="{DataTemplate v:AccountPage}" Route="Accounts" Title="{r:Text Accounts}" Icon="wallet.png"/>
         <ShellContent ContentTemplate="{DataTemplate v:BillPage}" Route="Bills" Title="{r:Text Bills}" Icon="bill.png"/>
         <ShellContent ContentTemplate="{DataTemplate v:RankPage}" Route="Ranks" Title="{r:Text Report}" Icon="rank.png"/>
         <ShellContent ContentTemplate="{DataTemplate v:SettingPage}" Route="Settings" Title="{r:Text Settings}" Icon="settings.png"/>
     </TabBar>
-
-    <Tab>
-        <ShellContent ContentTemplate="{DataTemplate local:SplashPage}" Route="Splash"/>
-    </Tab>
-
 </Shell>

Billing.Shared/SplashPage.xaml.cs

@@ -10,9 +10,9 @@ namespace Billing
             InitializeComponent();
         }
 
-        public override async void OnLoaded()
+        protected override async void OnLoaded()
         {
-            await App.InitilalizeData();
+            await App.InitializeData();
 
             await Shell.Current.GoToAsync("//Bills");
         }

Billing.Shared/Store/StoreHelper.cs

@@ -14,11 +14,32 @@ namespace Billing.Store
         public static readonly string PersonalFolder = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
         public static readonly string CacheFolder = FileSystem.CacheDirectory;
 
+        public static string DatabasePath => Path.Combine(PersonalFolder, dbfile);
+
         #region Sqlite3
         private const string dbfile = "data.db3";
         private static SQLiteAsyncConnection database;
         #endregion
 
+        public static async Task<bool> ReloadDatabase(string file)
+        {
+            var path = DatabasePath;
+            if (string.Equals(file, path, StringComparison.OrdinalIgnoreCase))
+            {
+                return false;
+            }
+            if (database != null)
+            {
+                await database.CloseAsync();
+            }
+            File.Copy(file, path, true);
+            database = new SQLiteAsyncConnection(path,
+                SQLiteOpenFlags.ReadWrite |
+                SQLiteOpenFlags.Create |
+                SQLiteOpenFlags.SharedCache);
+            return true;
+        }
+
         private static readonly AsyncLazy<StoreHelper> Instance = new(async () =>
         {
             var instance = new StoreHelper();
@@ -114,10 +135,13 @@ namespace Billing.Store
 
         private StoreHelper()
         {
-            database = new SQLiteAsyncConnection(Path.Combine(PersonalFolder, dbfile),
+            if (database == null)
-                SQLiteOpenFlags.ReadWrite |
+            {
-                SQLiteOpenFlags.Create |
+                database = new SQLiteAsyncConnection(DatabasePath,
-                SQLiteOpenFlags.SharedCache);
+                    SQLiteOpenFlags.ReadWrite |
+                    SQLiteOpenFlags.Create |
+                    SQLiteOpenFlags.SharedCache);
+            }
         }
 
         public Task<List<T>> GetListAsync<T>(string query, params object[] args) where T : new()

Billing.Shared/UI/BillingPage.cs

@@ -7,6 +7,7 @@ namespace Billing.UI
     public abstract class BillingPage : ContentPage
     {
         public event EventHandler Loaded;
+        public event EventHandler Refreshed;
 
         private bool loaded;
 
@@ -16,11 +17,16 @@ namespace Billing.UI
             Shell.SetTabBarIsVisible(this, false);
         }
 
-        public virtual void OnLoaded()
+        protected virtual void OnLoaded()
         {
             Loaded?.Invoke(this, EventArgs.Empty);
         }
 
+        protected virtual void OnRefresh()
+        {
+            Refreshed?.Invoke(this, EventArgs.Empty);
+        }
+
         public void TriggerLoad()
         {
             if (!loaded)
@@ -29,5 +35,10 @@ namespace Billing.UI
                 OnLoaded();
             }
         }
+
+        public void TriggerRefresh()
+        {
+            OnRefresh();
+        }
     }
 }

Billing.Shared/Views/AddAccountPage.xaml.cs

@@ -73,7 +73,7 @@ namespace Billing.Views
             InitializeComponent();
         }
 
-        public override void OnLoaded()
+        protected override void OnLoaded()
         {
             editorName.SetFocus();
         }

Billing.Shared/Views/AddBillPage.xaml.cs

@@ -116,7 +116,7 @@ namespace Billing.Views
             }
         }
 
-        public override void OnLoaded()
+        protected override void OnLoaded()
         {
             editorAmount.SetFocus();
         }

Billing.Shared/Views/AddCategoryPage.xaml.cs

@@ -78,7 +78,7 @@ namespace Billing.Views
             InitializeComponent();
         }
 
-        public override void OnLoaded()
+        protected override void OnLoaded()
         {
             editorName.SetFocus();
         }

Billing.Shared/Views/BillPage.xaml.cs

@@ -55,7 +55,7 @@ namespace Billing.Views
             InitializeComponent();
         }
 
-        public override void OnLoaded()
+        protected override void OnLoaded()
         {
             billingDate.SetDateTime(DateTime.Today);
         }

Billing.Shared/Views/SettingPage.xaml

@@ -11,6 +11,10 @@
                 BindingContext="{x:Reference settingPage}"
                 Shell.TabBarIsVisible="True">
 
+    <ContentPage.ToolbarItems>
+        <ToolbarItem Order="Primary" IconImageSource="project.png" Command="{Binding ShareCommand}"/>
+    </ContentPage.ToolbarItems>
+
     <TableView Intent="Settings" HasUnevenRows="True">
         <TableSection Title="{r:Text About}">
             <ui:OptionTextCell Height="36" Title="{r:Text Version}"

Billing.Shared/Views/SettingPage.xaml.cs

@@ -1,3 +1,4 @@
+using Billing.Store;
 using Billing.Themes;
 using Billing.UI;
 using Xamarin.Essentials;
@@ -17,11 +18,13 @@ namespace Billing.Views
             set => SetValue(PrimaryColorProperty, value);
         }
 
+        public Command ShareCommand { get; }
         public Command CategoryCommand { get; }
         public Command ColorPickerCommand { get; }
 
         public SettingPage()
         {
+            ShareCommand = new Command(OnShareCommand);
             CategoryCommand = new Command(OnCategoryCommand);
             ColorPickerCommand = new Command(OnColorPickerCommand);
             InitializeComponent();
@@ -48,6 +51,21 @@ namespace Billing.Views
             Light.Instance.RefreshColor(Color.FromHex(color));
         }
 
+        private async void OnShareCommand()
+        {
+            if (Tap.IsBusy)
+            {
+                return;
+            }
+            using (Tap.Start())
+            {
+                await Share.RequestAsync(new ShareFileRequest
+                {
+                    File = new ShareFile(StoreHelper.DatabasePath)
+                });
+            }
+        }
+
         private async void OnCategoryCommand()
         {
             if (Tap.IsBusy)

Billing/Billing.iOS/AppDelegate.cs

@@ -23,5 +23,10 @@ namespace Billing.iOS
 
             return base.FinishedLaunching(app, options);
         }
+
+        public override bool OpenUrl(UIApplication app, NSUrl url, NSDictionary options)
+        {
+            return App.OpenUrl(url);
+        }
     }
 }

Billing/Billing.iOS/Billing.iOS.csproj

@@ -477,6 +477,14 @@
   <ItemGroup>
     <BundleResource Include="Resources\left%403x.png" />
   </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\Billing.ShareExtension\Billing.ShareExtension.csproj">
+      <IsAppExtension>true</IsAppExtension>
+      <Project>{D4EA6D3A-17E6-4300-80A7-2ED19B738C6B}</Project>
+      <Name>Billing.ShareExtension</Name>
+      <ReferenceSourceTarget></ReferenceSourceTarget>
+    </ProjectReference>
+  </ItemGroup>
   <Import Project="..\..\Billing.Shared\Billing.Shared.projitems" Label="Shared" />
   <Import Project="$(MSBuildExtensionsPath)\Xamarin\iOS\Xamarin.iOS.CSharp.targets" />
 </Project>

Billing/Billing.iOS/Info.plist

@@ -41,6 +41,21 @@
 		<string>OpenSans-Regular.ttf</string>
 		<string>OpenSans-SemiBold.ttf</string>
 	</array>
+	<key>CFBundleDocumentTypes</key>
+ 	<array>
+ 		<dict>
+ 			<key>CFBundleTypeName</key>
+ 			<string>Master SQLite file</string>
+ 			<key>LSItemContentTypes</key>
+ 			<array>
+ 				<string>public.data</string>
+ 			</array>
+ 			<key>CFBundleTypeIconFiles</key>
+ 			<array>
+ 				<string>Assets.xcassets/AppIcon.appiconset/Icon180</string>
+ 			</array>
+ 		</dict>
+ 	</array>
 	<key>CFBundleVersion</key>
 	<string>10</string>
 	<key>CFBundleShortVersionString</key>