Ajoute la gateway des commentaires et corrige les vues

src/Silex/Gateway/CommentGateway.php

@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Silex\Gateway;
+
+use DateTime;
+use PDO;
+use Silex\Model\Comment;
+
+class CommentGateway
+{
+	private PDO $pdo;
+
+    public function __construct(PDO $pdo)
+    {
+        $this->pdo = $pdo;
+    }
+
+    /**
+     * @return Comment[]
+     */
+    public function getByNewsId(int $id): array 
+    {
+        $req = $this->pdo->prepare('SELECT * FROM comment WHERE news_id = :id ORDER BY publication_date DESC');
+        $req->bindValue(':id', $id, PDO::PARAM_INT);
+        if (!$req->execute()) {
+            return [];
+        }
+        $comments = [];
+        while ($data = $req->fetch()) {
+            $comments[] = $this->createComment($data);
+        }
+        return $comments;
+    }
+
+    private function createComment(array $data): Comment
+    {
+        return new Comment(intval($data['id_comment']),intval($data['news_id']), DateTime::createFromFormat('Y-m-d H:i:s', $data['publication_date']), $data['content'], intval($data['author_id']));
+    }
+}

src/Silex/Gateway/NewsGateway.php

@@ -49,6 +49,7 @@ class NewsGateway
         return $news;
     }
 
+
     private function createNews(array $data): News
     {
         return new News($data['title'], $data['content'], DateTime::createFromFormat('Y-m-d H:i:s', $data['publication_date']));