[Route Enhancer] create Content Repository Enhancer

Enhancer/ContentRepositoryEnhancer.php

@@ -0,0 +1,68 @@
+<?php
+
+/*
+ * This file is part of the Symfony CMF package.
+ *
+ * (c) 2011-2015 Symfony CMF
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Cmf\Component\Routing\Enhancer;
+
+use Symfony\Cmf\Component\Routing\ContentRepositoryInterface;
+use Symfony\Cmf\Component\Routing\RouteObjectInterface;
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * This enhancer sets the content to target field if the route has content id.
+ *
+ * Works with ContentRepositoryInterface that you can search the content.
+ *
+ * @author Samusev Andrey
+ */
+class ContentRepositoryEnhancer implements RouteEnhancerInterface
+{
+    /**
+     * @var Repository
+     */
+    private $contentRepository;
+
+    /**
+     * @var string
+     */
+    private $target;
+
+    /**
+     * @var string
+     */
+    private $source;
+
+    /**
+     * @param ContentRepositoryInterface $contentRepository repository to search for the content
+     * @param string                     $target            the field name to set content
+     * @param string                     $source            the field name of the content id
+     */
+    public function __construct(
+        ContentRepositoryInterface $contentRepository,
+        $target = RouteObjectInterface::CONTENT_OBJECT,
+        $source = RouteObjectInterface::CONTENT_ID
+    ) {
+        $this->contentRepository = $contentRepository;
+        $this->target = $target;
+        $this->source = $source;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function enhance(array $defaults, Request $request)
+    {
+        if (!isset($defaults[$this->target]) && isset($defaults[$this->source])) {
+            $defaults[$this->target] = $this->contentRepository->findById($defaults[$this->source]);
+        }
+
+        return $defaults;
+    }
+}

RouteObjectInterface.php

@@ -51,6 +51,11 @@ interface RouteObjectInterface
      */
     const CONTENT_OBJECT = '_content';
 
+    /**
+     * Field name for the content id of the current route, if any.
+     */
+    const CONTENT_ID = '_content_id';
+
     /**
      * Get the content document this route entry stands for. If non-null,
      * the ControllerClassMapper uses it to identify a controller and

Tests/Enhancer/ContentRepositoryEnhancerTest.php

@@ -0,0 +1,80 @@
+<?php
+
+/*
+ * This file is part of the Symfony CMF package.
+ *
+ * (c) 2011-2015 Symfony CMF
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Cmf\Component\Routing\Tests\Enhancer;
+
+use Symfony\Cmf\Component\Routing\Enhancer\ContentRepositoryEnhancer;
+use Symfony\Cmf\Component\Routing\RouteObjectInterface;
+use Symfony\Cmf\Component\Routing\Test\CmfUnitTestCase;
+use Symfony\Component\HttpFoundation\Request;
+
+class ContentRepositoryEnhancerTest extends CmfUnitTestCase
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function setUp()
+    {
+        $cRepository = $this->getMock('\Symfony\Cmf\Component\Routing\ContentRepositoryInterface');
+        $cRepository
+            ->method('findById')
+            ->will($this->returnValue('document'))
+        ;
+        $this->mapper = new ContentRepositoryEnhancer($cRepository);
+
+        $this->request = Request::create('/test');
+    }
+
+    /**
+     * @dataProvider dataEnhancer
+     */
+    public function testEnhancer($defaults, $expected)
+    {
+        $this->assertEquals($expected, $this->mapper->enhance($defaults, $this->request));
+    }
+
+    /**
+     * @return array
+     */
+    public function dataEnhancer()
+    {
+        return array(
+            'empty' => array(array(), array()),
+            'with content_id' => array(
+                array(
+                    RouteObjectInterface::CONTENT_ID => 'Simple:1',
+                ),
+                array(
+                    RouteObjectInterface::CONTENT_ID => 'Simple:1',
+                    RouteObjectInterface::CONTENT_OBJECT => 'document',
+                ),
+            ),
+            'with content_id and content' => array(
+                array(
+                    RouteObjectInterface::CONTENT_ID => 'Simple:1',
+                    RouteObjectInterface::CONTENT_OBJECT => 'exist object',
+                ),
+                array(
+                    RouteObjectInterface::CONTENT_ID => 'Simple:1',
+                    RouteObjectInterface::CONTENT_OBJECT => 'exist object',
+                ),
+            ),
+            'with content' => array(
+                array(
+                    RouteObjectInterface::CONTENT_OBJECT => 'exist object',
+                ),
+                array(
+                    RouteObjectInterface::CONTENT_OBJECT => 'exist object',
+                ),
+            ),
+        );
+    }
+}