Added get_option helper in twig when available

DependencyInjection/EkinoWordpressExtension.php

@@ -51,6 +51,8 @@ public function load(array $configs, ContainerBuilder $container)
         if (isset($config['entity_manager'])) {
             $this->loadEntityManager($container, $config['entity_manager']);
         }
+
+        $this->loadTwigExtensions($loader);
     }
 
     /**
@@ -102,6 +104,18 @@ protected function loadEntityManager(ContainerBuilder $container, $em)
         $container->getDefinition('ekino.wordpress.manager.user_meta')->replaceArgument(0, $reference);
     }
 
+    /**
+     * Will load twig extensions if enabled
+     *
+     * @param XmlFileLoader $loader
+     */
+    protected function loadTwigExtensions(XmlFileLoader $loader)
+    {
+        if (class_exists('\Twig_Extension')) {
+            $loader->load('twig.xml');
+        }
+    }
+
     /**
      * Returns bundle alias name
      *

Manager/OptionManager.php

@@ -10,8 +10,6 @@
 
 namespace Ekino\WordpressBundle\Manager;
 
-use Ekino\WordpressBundle\Manager\BaseManager;
-
 /**
  * Class OptionManager
  *

Resources/config/twig.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" ?>
+
+<container xmlns="http://symfony.com/schema/dic/services"
+           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+           xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
+
+    <parameters>
+        <parameter key="ekino.wordpress.twig.extension.option.class">Ekino\WordpressBundle\Twig\Extension\OptionExtension</parameter>
+    </parameters>
+
+    <services>
+        <service id="ekino.wordpress.twig.extension.option" class="%ekino.wordpress.twig.extension.option.class%">
+            <tag name="twig.extension" />
+
+            <argument type="service" id="ekino.wordpress.manager.option" />
+        </service>
+
+    </services>
+</container>

Tests/Twig/Extension/OptionExtensionTest.php

@@ -0,0 +1,72 @@
+<?php
+
+/*
+ * This file is part of the Ekino Wordpress package.
+ *
+ * (c) 2013 Ekino
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Ekino\WordpressBundle\Tests\Twig\Extension;
+
+use Ekino\WordpressBundle\Twig\Extension\OptionExtension;
+
+/**
+ * Class OptionExtensionTest
+ *
+ * @author Xavier Coureau <xav.is@2cool4school.fr>
+ */
+class OptionExtensionTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @var \PHPUnit_Framework_MockObject_MockObject
+     */
+    protected $optionManager;
+
+    /**
+     * @var OptionExtension
+     */
+    protected $extension;
+
+    protected function setUp()
+    {
+        if (!class_exists('\Twig_Extension')) {
+            $this->markTestSkipped('Twig is not enabled');
+        }
+
+        $this->optionManager = $this->getMockBuilder('Ekino\WordpressBundle\Manager\OptionManager')->disableOriginalConstructor()->getMock();
+        $this->extension = new OptionExtension($this->optionManager);
+    }
+
+    /**
+     * Check the correct result for an existing option
+     */
+    public function testGetOption()
+    {
+        $optionMock = $this->getMock('Ekino\WordpressBundle\Entity\Option');
+
+        $this->optionManager->expects($this->once())
+            ->method('findOneByOptionName')
+            ->with($this->equalTo('test'))
+            ->will($this->returnValue($optionMock));
+
+        $result = $this->extension->getOption('test');
+        $this->assertEquals($optionMock, $result);
+    }
+
+    /**
+     * Check the usage of default return value for a non existing option
+     */
+    public function testGetOptionUndefined()
+    {
+        $this->optionManager->expects($this->once())
+            ->method('findOneByOptionName')
+            ->with($this->equalTo('test'))
+            ->will($this->returnValue(null));
+
+        $result = $this->extension->getOption('test', 'poney');
+        $this->assertEquals('poney', $result);
+    }
+}

Twig/Extension/OptionExtension.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace Ekino\WordpressBundle\Twig\Extension;
+
+use Ekino\WordpressBundle\Manager\OptionManager;
+
+class OptionExtension extends \Twig_Extension
+{
+    /**
+     * @var OptionManager
+     */
+    protected $optionManager;
+
+    /**
+     * @return string
+     */
+    public function getName()
+    {
+        return 'ekino_wordpress_option';
+    }
+
+    /**
+     * @param OptionManager $optionManager
+     */
+    public function __contruct(OptionManager $optionManager)
+    {
+        $this->optionManager = $optionManager;
+    }
+
+    /**
+     * @return array
+     */
+    public function getFunctions()
+    {
+        return array(
+            new \Twig_SimpleFunction('get_option', array($this, 'getOption')),
+        );
+    }
+
+    /**
+     * @param string $optionName
+     * @param mixed $defaultValue
+     *
+     * @return mixed
+     */
+    public function getOption($optionName, $defaultValue = null)
+    {
+        $option = $this->optionManager->findOneByOptionName($optionName);
+
+        return $option ?: $defaultValue;
+    }
+}