Ajout gestion des toasts sur Blazor

Apps/Client/NotificationManager.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace Client
+{
+  /// <summary>
+  /// Service permettant d'afficher des toasts dans l'application.
+  /// </summary>
+  public class NotificationManager
+  {
+    private Queue<string> _messages = new Queue<string>();
+
+    public IReadOnlyList<string> Messages => _messages.ToArray();
+
+    public event Action OnChange;
+
+    public void Add(string message)
+    {
+      _messages.Enqueue(message);
+
+      Task.Run(async () =>
+      {
+        await Task.Delay(3000);
+        _messages.Dequeue();
+        OnChange?.Invoke();
+      });
+
+      OnChange?.Invoke();
+    }
+  }
+}

Apps/Client/Pages/Counter.razor

@@ -1,16 +0,0 @@
-@page "/counter"
-
-<h1>Counter</h1>
-
-<p>Current count: @currentCount</p>
-
-<button class="btn btn-primary" @onclick="IncrementCount">Click me</button>
-
-@code {
-    private int currentCount = 0;
-
-    private void IncrementCount()
-    {
-        currentCount++;
-    }
-}

Apps/Client/Pages/Detail.razor

@@ -0,0 +1,58 @@
+@page "/links/{id:guid}"
+@inject LinksClient Links
+@inject CommentsClient Comments
+@inject NotificationManager Notification
+
+@if (_link == null)
+{
+  <Title Value="Loading link detail..." />
+  <p>Loading link detail...</p>
+}
+else
+{
+  <Title Value="@($"Viewing link {_link.Url}")" />
+  
+  <h1>Viewing link @_link.Url</h1>
+
+  @if(_comments == null)
+  {
+    <p>Loading link comments...</p>
+  }
+  else if (_comments.Count == 0)
+  {
+    <p>No comments yet.</p>
+  }
+  else
+  {
+    <ul>
+      @foreach (var comment in _comments)
+      {
+          <li>@comment.Content</li>
+      }
+    </ul>
+  }
+
+  <CommentForm OnSubmit="PublishComment" />
+}
+
+@code {
+  [Parameter]
+  public Guid Id { get; set; }
+
+  private LinkDTO _link;
+  private ICollection<CommentDTO> _comments;
+
+  protected override async Task OnInitializedAsync()
+  {
+    _link = await Links.GetByIdAsync(Id);
+    _comments = await Links.CommentsAsync(Id);
+  }
+
+  private async Task PublishComment(PublishCommentCommand cmd)
+  {
+    cmd.LinkId = Id;
+    await Comments.CreateAsync(cmd);
+    Notification.Add("Your comment was published!");
+    _comments = await Links.CommentsAsync(Id);
+  }
+}

Apps/Client/Pages/Index.razor

@@ -1,6 +1,8 @@
 @page "/"
 @inject LinksClient Links
 
+<Title Value="Latest links" />
+
 <h1>Latest links</h1>
 
 @if (_links == null) {

Apps/Client/Pages/PublishLink.razor

@@ -1,6 +1,7 @@
 @page "/links/new"
 @inject LinksClient Links
 @inject NavigationManager Navigation
+@inject NotificationManager Notification
 @using System.ComponentModel.DataAnnotations
 
 <h1>Publish a new link!</h1>
@@ -29,6 +30,7 @@
     try
     {
       await Links.CreateAsync(_model.Command);
+      Notification.Add("Your link was published!");
       Navigation.NavigateTo("/");
     }
     catch(Exception ex)

Apps/Client/Pages/Sandbox.razor

@@ -0,0 +1,20 @@
+@page "/sandbox"
+
+<p>Current count: @currentCount</p>
+
+<Counter @bind-Count="currentCount" />
+
+@* <CascadingValue Value="45">
+  <Composant1 />
+</CascadingValue>
+
+<Composant2 /> *@
+
+@code {
+  private int currentCount = 0;
+
+  /*
+  [CascadingParameter]
+  public int Valeur { get; set; }
+  */
+}

Apps/Client/Program.cs

@@ -19,6 +19,8 @@ namespace Client
 
       builder.Services.AddScoped(sp => new HttpClient { BaseAddress = new Uri(builder.Configuration["BaseUrl"]) });
       builder.Services.AddScoped<LinksClient>();
+      builder.Services.AddScoped<CommentsClient>();
+      builder.Services.AddSingleton<NotificationManager>();
 
       await builder.Build().RunAsync();
     }

Apps/Client/Shared/CommentForm.razor

@@ -0,0 +1,22 @@
+<EditForm Model="_model" OnValidSubmit="OnValidSubmit">
+  <DataAnnotationsValidator />
+  <ValidationSummary />
+
+  <label for="content">Your comment</label>
+  <InputTextArea id="content" @bind-Value="_model.Content" />
+
+  <button type="submit">Post your comment</button>
+</EditForm>
+
+@code {
+  [Parameter]
+  public EventCallback<PublishCommentCommand> OnSubmit { get; set; }
+
+  private PublishCommentCommand _model = new PublishCommentCommand();
+
+  private async Task OnValidSubmit()
+  {
+    await OnSubmit.InvokeAsync(_model);
+    _model = new PublishCommentCommand();
+  }
+}

Apps/Client/Shared/Counter.razor

@@ -0,0 +1,22 @@
+<p>Current count in component: @Count</p>
+
+<button @onclick="Increment">+</button>
+<button @onclick="Decrement">-</button>
+
+@code {
+    [Parameter]
+    public int Count { get; set; }
+
+    [Parameter]
+    public EventCallback<int> CountChanged { get; set; }
+
+    private void Increment()
+    {
+        CountChanged.InvokeAsync(Count + 1);
+    }
+
+    private void Decrement()
+    {
+        CountChanged.InvokeAsync(Count - 1);
+    }
+}

Apps/Client/Shared/LinkItem.razor

@@ -1,6 +1,7 @@
 <article>
   <h2>@Item.Url</h2>
   <p>
+    <NavLink href="@($"/links/{Item.Id}")">Show</NavLink>
     - Published at @Item.CreatedAt.DateTime.ToLongDateString()
     - 🗨 @Item.CommentsCount
     - 👍 @Item.UpvotesCount / 👎 @Item.DownvotesCount

Apps/Client/Shared/MainLayout.razor

@@ -11,6 +11,8 @@
         </div>
 
         <div class="content px-4">
+            <Notifications />
+            
             @Body
         </div>
     </div>

Apps/Client/Shared/Notifications.razor

@@ -0,0 +1,21 @@
+@inject NotificationManager Notification
+@implements IDisposable
+
+<div>
+  @foreach (var msg in Notification.Messages)
+  {
+    <p class="alert alert-success">@msg</p>
+  }
+</div>
+
+@code {
+  protected override void OnInitialized()
+  {
+    Notification.OnChange += StateHasChanged;
+  }
+
+  public void Dispose()
+  {
+    Notification.OnChange -= StateHasChanged;
+  }
+}

Apps/Client/Shared/Title.razor

@@ -0,0 +1,11 @@
+@inject IJSRuntime JS
+
+@code {
+  [Parameter]
+  public string Value { get; set; }
+
+  protected override void OnInitialized()
+  {
+    JS.InvokeVoidAsync("setTitle", Value);
+  }
+}

Apps/Client/wwwroot/index.html

@@ -1,9 +1,11 @@
 <!DOCTYPE html>
 <html>
-
   <head>
     <meta charset="utf-8" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
+    <meta
+      name="viewport"
+      content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no"
+    />
     <title>Client</title>
     <base href="/" />
     <link href="css/bootstrap/bootstrap.min.css" rel="stylesheet" />
@@ -19,7 +21,12 @@
       <a href="" class="reload">Reload</a>
       <a class="dismiss">🗙</a>
     </div>
+
+    <script type="text/javascript">
+      function setTitle(title) {
+        document.title = title;
+      }
+    </script>
     <script src="_framework/blazor.webassembly.js"></script>
   </body>
-
 </html>