Ajout de la gestion des commentaires sur l'app MVC

Apps/Website/Controllers/CommentsController.cs

@@ -0,0 +1,46 @@
+using System;
+using Application;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Website.Controllers
+{
+  public class CommentsController : BaseController
+  {
+    private readonly CommentService _commentService;
+    private readonly LinkService _linkService;
+
+    public CommentsController(CommentService commentService, LinkService linkService)
+    {
+      _commentService = commentService;
+      _linkService = linkService;
+    }
+
+    [HttpGet("links/{linkId:guid}/comment")]
+    public IActionResult Create(Guid linkId)
+    {
+      ViewData["Url"] = _linkService.GetLinkById(linkId).Url;
+
+      return View();
+    }
+
+    [HttpPost("links/{linkId:guid}/comment")]
+    [ValidateAntiForgeryToken]
+    public IActionResult Create(PublishCommentCommand cmd)
+    {
+      if (!ModelState.IsValid)
+      {
+        ViewData["Url"] = _linkService.GetLinkById(cmd.LinkId).Url;
+
+        return View(cmd);
+      }
+
+      _commentService.PublishComment(cmd);
+
+      Success("Your comment was published!");
+
+      // return Redirect($"/links/detail/{cmd.LinkId}");
+
+      return RedirectToAction(nameof(LinksController.Show), "Links", new { linkId = cmd.LinkId });
+    }
+  }
+}

Apps/Website/Controllers/LinksController.cs

@@ -1,28 +1,35 @@
 using System;
 using Application;
 using Microsoft.AspNetCore.Mvc;
+using Website.Models;
 
 namespace Website
 {
   public class LinksController : BaseController
   {
-    private readonly LinkService _service;
+    private readonly LinkService _linkService;
+    private readonly CommentService _commentService;
 
-    public LinksController(LinkService service)
+    public LinksController(LinkService linkService, CommentService commentService)
     {
-      _service = service;
+      _linkService = linkService;
+      _commentService = commentService;
     }
 
     public IActionResult Index()
     {
       // return Forbid();
-      return View(_service.GetAllLinks());
+      return View(_linkService.GetAllLinks());
     }
 
     [HttpGet("{controller}/detail/{linkId:guid}")]
     public IActionResult Show(Guid linkId)
     {
-      return View(_service.GetLinkById(linkId));
+      // ViewData["Comments"] = _commentService.GetAllLinkComments(linkId);
+
+      return View(new ShowLinkViewModel(
+        _linkService.GetLinkById(linkId),
+        _commentService.GetAllLinkComments(linkId)));
     }
 
     // [HttpGet] // Implicite car HttpGet par défaut
@@ -41,7 +48,7 @@ namespace Website
         return View(cmd);
       }
 
-      _service.PublishLink(cmd);
+      _linkService.PublishLink(cmd);
 
       Success("Your link was posted!");
 

Apps/Website/Models/ShowLinkViewModel.cs

@@ -0,0 +1,16 @@
+using Application;
+
+namespace Website.Models
+{
+  public class ShowLinkViewModel
+  {
+    public LinkDTO Link { get; }
+    public CommentDTO[] Comments { get; }
+
+    public ShowLinkViewModel(LinkDTO link, CommentDTO[] comments)
+    {
+      Link = link;
+      Comments = comments;
+    }
+  }
+}

Apps/Website/Startup.cs

@@ -20,17 +20,27 @@ namespace Website
     // This method gets called by the runtime. Use this method to add services to the container.
     public void ConfigureServices(IServiceCollection services)
     {
+      var link1 = new Domain.Link("http://default.website");
+      var link2 = new Domain.Link("http://another.website");
+      var link3 = new Domain.Link("http://a.final.website");
+
       services.AddSingleton<ILinkRepository>(new Infrastructure.Repositories.Memory.LinkRepository(
-        new Domain.Link("http://default.website"),
+        link1,
-        new Domain.Link("http://another.website"),
+        link2,
-        new Domain.Link("http://a.final.website")
+        link3
+      ));
+      services.AddSingleton<ICommentRepository>(new Infrastructure.Repositories.Memory.CommentRepository(
+        link1.AddComment("my first comment"),
+        link3.AddComment("another comment")
       ));
       services.AddSingleton<IData>(serviceProvider =>
       {
-        var memoryRepository = serviceProvider.GetRequiredService<ILinkRepository>() as Infrastructure.Repositories.Memory.LinkRepository;
+        var memoryLinkRepository = serviceProvider.GetRequiredService<ILinkRepository>() as Infrastructure.Repositories.Memory.LinkRepository;
-        return new Infrastructure.Repositories.Memory.Data(memoryRepository);
+        var memoryCommentRepository = serviceProvider.GetRequiredService<ICommentRepository>() as Infrastructure.Repositories.Memory.CommentRepository;
+        return new Infrastructure.Repositories.Memory.Data(memoryLinkRepository, memoryCommentRepository);
       });
       services.AddTransient<LinkService>();
+      services.AddTransient<CommentService>();
       services.AddControllersWithViews();
     }
 

Apps/Website/Views/Comments/Create.cshtml

@@ -0,0 +1,16 @@
+@model Application.PublishCommentCommand
+@{
+  ViewData["Title"] = "Add a new comment";
+}
+
+<h1>Add a comment to "@ViewData["Url"]"</h1>
+
+<form method="post">
+  <input type="hidden" asp-for="@Model.LinkId">
+
+  <label asp-for="@Model.Content">Your comment</label>
+  <textarea asp-for="@Model.Content"></textarea>
+  <span asp-validation-for="@Model.Content"></span>
+
+  <button type="submit">Post!</button>
+</form>

Apps/Website/Views/Links/Show.cshtml

@@ -1,8 +1,25 @@
-@model Application.LinkDTO
+@model ShowLinkViewModel
 @{
-  ViewData["Title"] = $"Viewing link {Model.Url}";
+  ViewData["Title"] = $"Viewing link {Model.Link.Url}";
+
+  @* var comments = (Application.CommentDTO[]) ViewData["Comments"]; *@
 }
 
-<h1>Viewing link @Model.Url</h1>
+<h1>Viewing link @Model.Link.Url</h1>
 
 @* <partial name="_LinkItem" model="@Model" /> *@
+<a asp-controller="Comments" asp-action="Create" asp-route-linkId="@Model.Link.Id">Add comment</a>
+
+@if(Model.Comments.Length == 0)
+{
+  <p>No comments yet.</p>
+}
+else
+{
+  <ul>
+    @foreach (var comment in Model.Comments)
+    {
+        <li>@comment.Content</li>
+    }
+  </ul>
+}