vendor/wearemarketing/blockbundle/Twig/BlockExtension.php line 47

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  1. <?php
  3. namespace WAM\Bundle\BlockBundle\Twig;
  5. use Twig\Environment;
  6. use WAM\Bundle\BlockBundle\Entity\AbstractBlock;
  7. use WAM\Bundle\BlockBundle\Exception\BlockNotFoundException;
  8. use WAM\Bundle\BlockBundle\Factory\Interfaces\BlockRenderFactoryInterface;
  9. use WAM\Bundle\BlockBundle\Services\BlockManagerService;
  10. use WAM\Bundle\BlockBundle\Services\Interfaces\AttributeResolverInterface;
  12. /**
  13.  * Render block and collection of blocks.
  14.  *
  15.  * @author Edgar Tébar <etebar@wearemarketing.com>
  16.  */
  17. class BlockExtension extends \Twig_Extension
  18. {
  19.     private $blockManagerService;
  21.     private $blockRenderFactory;
  23.     private $attributeResolver;
  25.     public function __construct(
  26.         BlockManagerService $blockManagerService,
  27.         BlockRenderFactoryInterface $blockRenderFactory,
  28.         AttributeResolverInterface $attributeResolver
  29.     ) {
  30.         $this->blockManagerService = $blockManagerService;
  31.         $this->blockRenderFactory = $blockRenderFactory;
  32.         $this->attributeResolver = $attributeResolver;
  33.     }
  35.     public function getFunctions()
  36.     {
  37.         return array(
  38.             new \Twig_SimpleFunction('render_block', array($this, 'renderBlock'), array('is_safe' => array('html'), 'needs_environment' => true)),
  39.             new \Twig_SimpleFunction('render_url', array($this, 'renderAllBlocksFromUrl'), array('is_safe' => array('html'), 'needs_environment' => true)),
  40.             new \Twig_SimpleFunction('render_block_blocks', array($this, 'renderAllBlocksFromBlock'), array('is_safe' => array('html'), 'needs_environment' => true)),
  41.             new \Twig_SimpleFunction('get_block', array($this, 'getBlock'), array('is_safe' => array('html'))),
  42.             new \Twig_SimpleFunction('get_objects', array($this, 'getObjects'), array('is_safe' => array('html'))),
  43.             new \Twig_SimpleFunction('resolve_attribute_value', array($this, 'resolveAttributeValue')),
  44.         );
  45.     }
  47.     public function renderBlock(Environment $environment, $canonicalName, $template = null, $parameters = array())
  48.     {
  49.         try {
  50.             $block = $this->blockManagerService->getBlock($canonicalName);
  52.             if ($block->isHidden()) {
  53.                 return '';
  54.             }
  56.             $blockRender = $this->blockRenderFactory->create(
  57.                 $block,
  58.                 $template,
  59.                 $parameters
  60.             );
  61.         } catch (BlockNotFoundException $exception) {
  62.             return '';
  63.         }
  65.         return $environment->render($blockRender->getTemplate(), $blockRender->getParameters());
  66.     }
  68.     public function renderAllBlocksFromUrl(Environment $environment, $url)
  69.     {
  70.         $content = '';
  72.         $blockRenders = $this->blockRenderFactory->createAllFromUrl($url);
  74.         foreach ($blockRenders as $blockRender) {
  75.             $content .= $environment->render($blockRender->getTemplate(), $blockRender->getParameters());
  76.         }
  78.         return $content;
  79.     }
  81.     public function renderAllBlocksFromBlock(Environment $environment, AbstractBlock $block)
  82.     {
  83.         $content = '';
  85.         $blockRenders = $this->blockRenderFactory->createAllFromBlock($block);
  87.         foreach ($blockRenders as $blockRender) {
  88.             $content .= $environment->render($blockRender->getTemplate(), $blockRender->getParameters());
  89.         }
  91.         return $content;
  92.     }
  94.     public function getBlock($canonicalName)
  95.     {
  96.         try {
  97.             $block = $this->blockManagerService->getBlock($canonicalName);
  98.         } catch (BlockNotFoundException $exception) {
  99.             return null;
  100.         }
  102.         return $block;
  103.     }
  105.     public function getObjects($block, $additionalCriteria = [])
  106.     {
  107.         return $this->blockManagerService->getObjects($block, $additionalCriteria);
  108.     }
  110.     public function resolveAttributeValue($block, $attribute, $default = null, $parent = null)
  111.     {
  112.         return $this->attributeResolver->resolveAttributeValue($block, $attribute, $default, $parent);
  113.     }
  115.     /**
  116.      * Returns the name of the extension.
  117.      *
  118.      * @return string The extension name
  119.      */
  120.     public function getName()
  121.     {
  122.         return 'wam.block.twig.extension';
  123.     }
  124. }