legacy-to-ddd : Étape 3. Ajout d’une action métier

composer.json

@@ -21,7 +21,9 @@
     },
     "autoload": {
         "psr-4": {
-            "App\\": "src/cakephp"
+            "App\\": "src/cakephp",
+            "Application\\": "src/Application",
+            "Domain\\": "src/Domain"
         }
     },
     "autoload-dev": {

src/Application/GetBookmark/GetBookmarkHandler.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace Application\GetBookmark;
+
+use \Domain\Bookmark\Repository\BookmarkRepository;
+use \Domain\Bookmark\Model\Bookmark;
+
+class GetBookmarkHandler
+{
+    private $bookmarkRepository;
+
+    public function __construct(
+        BookmarkRepository $bookmarkRepository,
+	) {
+        $this->bookmarkRepository = $bookmarkRepository;
+    }
+
+    public function __invoke(
+        GetBookmarkInput $input,
+	): ?Bookmark {
+        return $this->bookmarkRepository->findById($input->id);
+    }
+}

src/Application/GetBookmark/GetBookmarkInput.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Application\GetBookmark;
+
+class GetBookmarkInput
+{
+    public $id;
+}

src/Domain/Bookmark/Model/Bookmark.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace Domain\Bookmark\Model;
+
+class Bookmark
+{
+    public $id;
+    public $title;
+    public $url;
+}

src/Domain/Bookmark/Repository/BookmarkRepository.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace Domain\Bookmark\Repository;
+
+use \Domain\Bookmark\Model\Bookmark;
+
+interface BookmarkRepository
+{
+    public function findById(string $id): ?Bookmark;
+}