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adrianhalladrianhall
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(#156) Added new TodoItemViewModel (#157)
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6 files changed

+64
-18
lines changed

6 files changed

+64
-18
lines changed

‎samples/datasync-server/src/Sample.Datasync.Server/Sample.Datasync.Server.csproj

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@@ -7,15 +7,10 @@
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</PropertyGroup>
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<ItemGroup>
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<!--
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The following packages are required if you are not linking source
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<PackageReference Include="CommunityToolkit.Datasync.Server" Version="8.0.0" />
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<PackageReference Include="CommunityToolkit.Datasync.Server.EntityFrameworkCore" Version="8.0.0" />
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-->
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<PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="8.0.4" />
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<PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="8.0.4">
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<PackageReference Include="CommunityToolkit.Datasync.Server" Version="8.0.4" />
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<PackageReference Include="CommunityToolkit.Datasync.Server.EntityFrameworkCore" Version="8.0.4" />
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<PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="8.0.11" />
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<PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="8.0.11">
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<PrivateAssets>all</PrivateAssets>
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<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
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</PackageReference>

‎samples/todoapp/TodoApp.WinUI3/Database/AppDbContext.cs

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@@ -2,6 +2,8 @@
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// The .NET Foundation licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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#define OFFLINESYNC_ENABLED
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using CommunityToolkit.Datasync.Client.Http;
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using CommunityToolkit.Datasync.Client.Offline;
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using Microsoft.EntityFrameworkCore;
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namespace TodoApp.WinUI3.Database;
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public class AppDbContext(DbContextOptions<AppDbContext> options) : DbContext(options)
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// public class AppDbContext(DbContextOptions<AppDbContext> options) : OfflineDbContext(options)
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{
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public DbSet<TodoItem> TodoItems => Set<TodoItem>();
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//protected override void OnDatasyncInitialization(DatasyncOfflineOptionsBuilder optionsBuilder)
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//{
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// HttpClientOptions clientOptions = new()
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// {
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// Endpoint = new Uri("https://YOURSITEHERE.azurewebsites.net/"),
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// Endpoint = new Uri("https://app-qhvxwauvecrtg.azurewebsites.net/"),
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// HttpPipeline = [new LoggingHandler()]
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// };
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// _ = optionsBuilder.UseHttpClientOptions(clientOptions);

‎samples/todoapp/TodoApp.WinUI3/TodoApp.WinUI3.csproj

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@@ -1,4 +1,4 @@
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<Project Sdk="Microsoft.NET.Sdk">
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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>WinExe</OutputType>
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<TargetFramework>net8.0-windows10.0.19041.0</TargetFramework>
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<PackageReference Include="CommunityToolkit.WinUI.Behaviors" Version="8.0.240109" />
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<PackageReference Include="CommunityToolkit.WinUI.Converters" Version="8.0.240109" />
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<PackageReference Include="CommunityToolkit.WinUI.UI.Behaviors" Version="7.1.2" />
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<PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
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<PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.1" />
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<PackageReference Include="Microsoft.WindowsAppSDK" Version="1.5.240428000" />
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<PackageReference Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.26100.1" />
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<PackageReference Include="Microsoft.Xaml.Behaviors.WinUI.Managed" Version="2.0.9" />

‎samples/todoapp/TodoApp.WinUI3/ViewModels/TodoItemViewModel.cs

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@@ -0,0 +1,46 @@
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// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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using CommunityToolkit.Mvvm.ComponentModel;
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using System;
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using TodoApp.WinUI3.Database;
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namespace TodoApp.WinUI3.ViewModels;
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public partial class TodoItemViewModel(TodoItem todoItem) : ObservableObject
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{
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public readonly TodoItem _todoItem = todoItem;
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public string Title
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{
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get => this._todoItem.Title;
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set => SetProperty(this._todoItem.Title, value, this._todoItem, (item, value) => item.Title = value);
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}
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public bool IsComplete
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{
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get => this._todoItem.IsComplete;
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set => SetProperty(this._todoItem.IsComplete, value, this._todoItem, (item, value) => item.IsComplete = value);
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}
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public string Version
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{
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get => this._todoItem.Version;
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set => SetProperty(this._todoItem.Version, value, this._todoItem, (item, value) => item.Version = value);
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}
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public string Id => _todoItem.Id;
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public DateTimeOffset? UpdatedAt
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{
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get => this._todoItem.UpdatedAt;
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set => SetProperty(this._todoItem.UpdatedAt, value, this._todoItem, (item, value) => item.UpdatedAt = value);
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}
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public bool Deleted
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{
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get => this._todoItem.Deleted;
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set => SetProperty(this._todoItem.Deleted, value, this._todoItem, (item, value) => item.Deleted = value);
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}
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}

‎samples/todoapp/TodoApp.WinUI3/ViewModels/TodoListViewModel.cs

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@@ -8,6 +8,7 @@
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using Microsoft.EntityFrameworkCore;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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using TodoApp.WinUI3.Database;
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private bool isRefreshing;
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[ObservableProperty]
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private ConcurrentObservableCollection<TodoItem> items = [];
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private ConcurrentObservableCollection<TodoItemViewModel> items = [];
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[ObservableProperty]
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private string title = string.Empty;
@@ -47,7 +48,7 @@ public async Task AddItemAsync(CancellationToken cancellationToken = default)
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_ = await service.SaveChangesAsync(cancellationToken);
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// Add the item to the end of the list.
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Items.Add(addition);
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Items.Add(new TodoItemViewModel(addition));
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// Update the title field ready for ext insertion.
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Title = string.Empty;
@@ -77,7 +78,7 @@ public async Task EditItemAsync(string itemId, CancellationToken cancellationTok
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_ = await service.SaveChangesAsync(cancellationToken);
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// Update the item in the list
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_ = Items.ReplaceIf(x => x.Id == itemId, item);
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_ = Items.ReplaceIf(x => x.Id == itemId, new TodoItemViewModel(item));
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}
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catch (Exception ex)
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{
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await service.SynchronizeAsync(cancellationToken);
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// Pull all items from the database.
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IEnumerable<TodoItem> itemsFromDatabase = await service.TodoItems.ToListAsync(cancellationToken);
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IEnumerable<TodoItem> itemsFromDatabase = await service.TodoItems.OrderBy(item => item.Id).ToListAsync(cancellationToken);
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// Replace all the items in the collection.
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Items.ReplaceAll(itemsFromDatabase);
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Items.ReplaceAll(itemsFromDatabase.Select(item => new TodoItemViewModel(item)));
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}
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catch (Exception ex)
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{

‎samples/todoapp/TodoApp.WinUI3/Views/TodoListPage.xaml

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Command="{Binding ViewModel.EditItemCommand, ElementName=ThisPage}"
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CommandParameter="{Binding Id}"
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Content="{Binding Title}"
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IsChecked="{Binding IsComplete}" />
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IsChecked="{Binding IsComplete, Mode=TwoWay, UpdateSourceTrigger=Explicit}" />
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</DataTemplate>
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</ListView.ItemTemplate>
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</ListView>

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