Ajout du nom du créateur sur l'appli MVC

Application/CommentDTO.cs

@@ -8,5 +8,6 @@ namespace Application
     public string Content { get; set; }
     public int UpvotesCount { get; set; }
     public int DownvotesCount { get; set; }
+    public string CreatedByUsername { get; set; }
   }
 }

Application/CommentService.cs

@@ -45,15 +45,26 @@ namespace Application
         _data.Comments.Where(comment => comment.LinkId == linkId)
         : _data.Comments;
 
-      return comments
+      return from comment in comments
-        .OrderByDescending(comment => comment.CreatedAt)
+             join user in _data.Users on comment.CreatedBy equals user.Id
-        .Select(comment => new CommentDTO
+             select new CommentDTO
-        {
+             {
-          Id = comment.Id,
+               Id = comment.Id,
-          Content = comment.Content,
+               Content = comment.Content,
-          UpvotesCount = 0,
+               UpvotesCount = 0,
-          DownvotesCount = 0,
+               DownvotesCount = 0,
-        });
+               CreatedByUsername = user.UserName
+             };
+
+      // return comments
+      //   .OrderByDescending(comment => comment.CreatedAt)
+      //   .Select(comment => new CommentDTO
+      //   {
+      //     Id = comment.Id,
+      //     Content = comment.Content,
+      //     UpvotesCount = 0,
+      //     DownvotesCount = 0,
+      //   });
     }
   }
 }

Application/IData.cs

@@ -10,5 +10,6 @@ namespace Application
   {
     IQueryable<Link> Links { get; }
     IQueryable<Comment> Comments { get; }
+    IQueryable<IUser> Users { get; }
   }
 }

Application/IUser.cs

@@ -0,0 +1,10 @@
+using System;
+
+namespace Application
+{
+  public interface IUser
+  {
+    Guid Id { get; }
+    string UserName { get; }
+  }
+}

Application/LinkDTO.cs

@@ -10,5 +10,6 @@ namespace Application
     public int UpvotesCount { get; set; }
     public int DownvotesCount { get; set; }
     public int CommentsCount { get; set; }
+    public string CreatedByUsername { get; set; }
   }
 }

Application/LinkService.cs

@@ -52,6 +52,7 @@ namespace Application
     {
       return (from link in _data.Links
                 // join comment in _data.Comments on link.Id equals comment.LinkId into comments
+              join user in _data.Users on link.CreatedBy equals user.Id
               orderby link.CreatedAt descending
               select new LinkDTO
               {
@@ -61,6 +62,7 @@ namespace Application
                 UpvotesCount = 2,
                 DownvotesCount = 4,
                 CommentsCount = _data.Comments.Count(comment => comment.LinkId == link.Id), //comments.Count(),
+                CreatedByUsername = user.UserName,
               });
 
       // return _data.Links

Apps/Website/Views/Links/Show.cshtml

@@ -19,7 +19,7 @@ else
   <ul>
     @foreach (var comment in Model.Comments)
     {
-        <li>@comment.Content</li>
+        <li>@comment.Content - @comment.CreatedByUsername</li>
     }
   </ul>
 }

Apps/Website/Views/Shared/_LinkItem.cshtml

@@ -4,7 +4,7 @@
   <h2>@Model.Url</h2>
   <p>
     <a asp-controller="Links" asp-action="Show" asp-route-linkId="@Model.Id">Show</a>
-    - Published at @Model.CreatedAt.ToLongDateString()
+    - Published at @Model.CreatedAt.ToLongDateString() by @Model.CreatedByUsername
     - 🗨 @Model.CommentsCount
     - 👍 @Model.UpvotesCount / 👎 @Model.DownvotesCount
   </p>

Infrastructure/HNDbContext.cs

@@ -17,6 +17,8 @@ namespace Infrastructure
 
     IQueryable<Comment> IData.Comments => Comments;
 
+    IQueryable<IUser> IData.Users => Users;
+
     public HNDbContext() : base()
     {
 

Infrastructure/Identity/User.cs

@@ -1,9 +1,10 @@
 using System;
+using Application;
 using Microsoft.AspNetCore.Identity;
 
 namespace Infrastructure.Identity
 {
-  public class User : IdentityUser<Guid>
+  public class User : IdentityUser<Guid>, IUser
   {
     // On peut ajouter des propriétés ici au besoin
   }

Infrastructure/Repositories/Memory/Data.cs

@@ -13,6 +13,8 @@ namespace Infrastructure.Repositories.Memory
 
     public IQueryable<Comment> Comments => _commentRepository.Comments.AsQueryable();
 
+    public IQueryable<IUser> Users => throw new System.NotImplementedException();
+
     public Data(LinkRepository linkRepository, CommentRepository commentRepository)
     {
       _linkRepository = linkRepository;