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Added WPF example - non-working (#75)
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| Original file line number | Diff line number | Diff line change |
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| <Application x:Class="TodoApp.WPF.App" | ||
| xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" | ||
| xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" | ||
| xmlns:local="clr-namespace:TodoApp.WPF" | ||
| StartupUri="MainWindow.xaml"> | ||
| <Application.Resources> | ||
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| </Application.Resources> | ||
| </Application> |
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| // Licensed to the .NET Foundation under one or more agreements. | ||
| // The .NET Foundation licenses this file to you under the MIT license. | ||
| // See the LICENSE file in the project root for more information. | ||
|
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| using Microsoft.Data.Sqlite; | ||
| using Microsoft.EntityFrameworkCore; | ||
| using Microsoft.Extensions.DependencyInjection; | ||
| using System.Windows; | ||
| using TodoApp.WPF.Database; | ||
| using TodoApp.WPF.ViewModels; | ||
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| namespace TodoApp.WPF; | ||
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| /// <summary> | ||
| /// Interaction logic for App.xaml | ||
| /// </summary> | ||
| public partial class App : Application, IDisposable | ||
| { | ||
| private readonly SqliteConnection dbConnection; | ||
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| /// <summary> | ||
| /// The IoC service provider | ||
| /// </summary> | ||
| public IServiceProvider Services { get; } | ||
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| public App() | ||
| { | ||
| // Create the connection to the SQLite database | ||
| this.dbConnection = new SqliteConnection("Data Source=:memory:"); | ||
| this.dbConnection.Open(); | ||
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| // Create the IoC Services provider. | ||
| Services = new ServiceCollection() | ||
| .AddTransient<TodoListViewModel>() | ||
| .AddScoped<IDbInitializer, DbContextInitializer>() | ||
| .AddDbContext<AppDbContext>(options => options.UseSqlite(this.dbConnection)) | ||
| .BuildServiceProvider(); | ||
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| // Initialize the database | ||
| InitializeDatabase(); | ||
| } | ||
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| private void InitializeDatabase() | ||
| { | ||
| // using IServiceScope scope = Ioc.Default.CreateScope(); | ||
| using IServiceScope scope = Services.CreateScope(); | ||
| IDbInitializer initializer = scope.ServiceProvider.GetRequiredService<IDbInitializer>(); | ||
| initializer.Initialize(); | ||
| } | ||
|
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| /// <summary> | ||
| /// A helper method for getting a service from the services collection. | ||
| /// </summary> | ||
| /// <remarks> | ||
| /// You can see this in action in the <see cref="TodoListPage"/> class. | ||
| /// </remarks> | ||
| /// <typeparam name="TService">The type of the service.</typeparam> | ||
| /// <returns>An instance of the service</returns> | ||
| public static TService GetRequiredService<TService>() where TService : notnull | ||
| => ((App)App.Current).Services.GetRequiredService<TService>(); | ||
|
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| #region IDisposable | ||
| private bool hasDisposed; | ||
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| protected virtual void Dispose(bool disposing) | ||
| { | ||
| if (!this.hasDisposed) | ||
| { | ||
| if (disposing) | ||
| { | ||
| this.dbConnection.Close(); | ||
| } | ||
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| this.hasDisposed = true; | ||
| } | ||
| } | ||
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| public void Dispose() | ||
| { | ||
| Dispose(disposing: true); | ||
| GC.SuppressFinalize(this); | ||
| } | ||
| #endregion | ||
| } | ||
|
|
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| // Licensed to the .NET Foundation under one or more agreements. | ||
| // The .NET Foundation licenses this file to you under the MIT license. | ||
| // See the LICENSE file in the project root for more information. | ||
|
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| using System.Windows; | ||
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| [assembly: ThemeInfo( | ||
| ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located | ||
| //(used if a resource is not found in the page, | ||
| // or application resource dictionaries) | ||
| ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located | ||
| //(used if a resource is not found in the page, | ||
| // app, or any theme specific resource dictionaries) | ||
| )] |
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| // Licensed to the .NET Foundation under one or more agreements. | ||
| // The .NET Foundation licenses this file to you under the MIT license. | ||
| // See the LICENSE file in the project root for more information. | ||
|
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| using CommunityToolkit.Datasync.Client.Http; | ||
| using CommunityToolkit.Datasync.Client.Offline; | ||
| using Microsoft.EntityFrameworkCore; | ||
| using TodoApp.WPF.Services; | ||
|
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| namespace TodoApp.WPF.Database; | ||
|
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| public class AppDbContext(DbContextOptions<AppDbContext> options) : DbContext(options) | ||
| { | ||
| public DbSet<TodoItem> TodoItems => Set<TodoItem>(); | ||
|
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| // protected override void OnDatasyncInitialization(DatasyncOfflineOptionsBuilder optionsBuilder) | ||
| // { | ||
| // HttpClientOptions clientOptions = new() | ||
| // { | ||
| // Endpoint = new Uri("https://Y.azurewebsites.net/"), | ||
| // HttpPipeline = [new LoggingHandler()] | ||
| // }; | ||
| // _ = optionsBuilder.UseHttpClientOptions(clientOptions); | ||
| // } | ||
|
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| public async Task SynchronizeAsync(CancellationToken cancellationToken = default) | ||
| { | ||
| // PushResult pushResult = await this.PushAsync(cancellationToken); | ||
| // if (!pushResult.IsSuccessful) | ||
| // { | ||
| // throw new ApplicationException($"Push failed: {pushResult.FailedRequests.FirstOrDefault().Value.ReasonPhrase}"); | ||
| // } | ||
|
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| // PullResult pullResult = await this.PullAsync(cancellationToken); | ||
| // if (!pullResult.IsSuccessful) | ||
| // { | ||
| // throw new ApplicationException($"Pull failed: {pullResult.FailedRequests.FirstOrDefault().Value.ReasonPhrase}"); | ||
| // } | ||
| } | ||
| } | ||
|
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| /// <summary> | ||
| /// Use this class to initialize the database. In this sample, we just create | ||
| /// the database using <see cref="DatabaseFacade.EnsureCreated"/>. However, you | ||
| /// may want to use migrations. | ||
| /// </summary> | ||
| /// <param name="context">The context for the database.</param> | ||
| public class DbContextInitializer(AppDbContext context) : IDbInitializer | ||
| { | ||
| /// <inheritdoc /> | ||
| public void Initialize() | ||
| => context.Database.EnsureCreated(); | ||
|
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| /// <inheritdoc /> | ||
| public Task InitializeAsync(CancellationToken cancellationToken = default) | ||
| => context.Database.EnsureCreatedAsync(cancellationToken); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| // Licensed to the .NET Foundation under one or more agreements. | ||
| // The .NET Foundation licenses this file to you under the MIT license. | ||
| // See the LICENSE file in the project root for more information. | ||
|
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| namespace TodoApp.WPF.Database; | ||
|
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| /// <summary> | ||
| /// An interface to initialize a database. | ||
| /// </summary> | ||
| public interface IDbInitializer | ||
| { | ||
| /// <summary> | ||
| /// Synchronously initialize the database. | ||
| /// </summary> | ||
| void Initialize(); | ||
|
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| /// <summary> | ||
| /// Asynchronously initialize the database. | ||
| /// </summary> | ||
| /// <param name="cancellationToken">A <see cref="CancellationToken"/> to observe.</param> | ||
| /// <returns>A task that resolves when complete.</returns> | ||
| Task InitializeAsync(CancellationToken cancellationToken = default); | ||
| } |
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samples/todoapp/TodoApp.WPF/Database/OfflineClientEntity.cs
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| @@ -0,0 +1,19 @@ | ||
| // Licensed to the .NET Foundation under one or more agreements. | ||
| // The .NET Foundation licenses this file to you under the MIT license. | ||
| // See the LICENSE file in the project root for more information. | ||
|
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| using System.ComponentModel.DataAnnotations; | ||
|
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| namespace TodoApp.WPF.Database; | ||
|
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| /// <summary> | ||
| /// An abstract class for working with offline entities. | ||
| /// </summary> | ||
| public abstract class OfflineClientEntity | ||
| { | ||
| [Key] | ||
| public string Id { get; set; } = Guid.NewGuid().ToString("N"); | ||
| public DateTimeOffset? UpdatedAt { get; set; } | ||
| public string? Version { get; set; } | ||
| public bool Deleted { get; set; } | ||
| } |
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| @@ -0,0 +1,16 @@ | ||
| // Licensed to the .NET Foundation under one or more agreements. | ||
| // The .NET Foundation licenses this file to you under the MIT license. | ||
| // See the LICENSE file in the project root for more information. | ||
|
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| using System.Text.Json; | ||
|
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| namespace TodoApp.WPF.Database; | ||
|
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| public class TodoItem : OfflineClientEntity | ||
| { | ||
| public string Title { get; set; } = string.Empty; | ||
| public bool IsComplete { get; set; } = false; | ||
|
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| public override string ToString() | ||
| => JsonSerializer.Serialize(this); | ||
| } |
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