open-orchestra/open-orchestra-media-bundle

<?php

namespace OpenOrchestra\Media\BBcode;

use OpenOrchestra\Media\Repository\MediaRepositoryInterface;
use OpenOrchestra\BBcodeBundle\Definition\BBcodeDefinition;
use OpenOrchestra\BBcodeBundle\ElementNode\BBcodeElementNodeInterface;
use OpenOrchestra\BBcodeBundle\ElementNode\BBcodeElementNode;
use OpenOrchestra\Media\DisplayMedia\DisplayMediaManager;
use Symfony\Component\Templating\EngineInterface;

/**
 * Class AbstractMediaCodeDefinition
 */
abstract class AbstractMediaCodeDefinition extends BBcodeDefinition
{
    const TAG_NAME = 'media';

    protected $repository;
    protected $displayMediaManager;
    protected $templating;

    /**
     * @param MediaRepositoryInterface $repository
     * @param DisplayMediaManager      $displayMediaManager
     * @param EngineInterface          $templating
     */
    public function __construct(
        MediaRepositoryInterface $repository, DisplayMediaManager $displayMediaManager, EngineInterface $templating
    ){
        parent::__construct(self::TAG_NAME, '');
        $this->repository = $repository;
        $this->displayMediaManager = $displayMediaManager;
        $this->templating = $templating;
    }

    /**
     * Returns this node as HTML
     *
     * @return string
     */
    public function getHtml(BBcodeElementNode $el)
    {
        return $this->generateHtml($el);
    }

    /**
     * Returns this node as HTML, in a preview context
     *
     * @return string
     */
    public function getPreviewHtml(BBcodeElementNodeInterface $el)
    {
        return $this->generateHtml($el, true);
    }

    /**
     * @param BBcodeElementNodeInterface $el
     * @param bool                       $preview
     *
     * @return string
     */
    protected function generateHtml(BBcodeElementNodeInterface $el, $preview = false)
    {
        $children = $el->getChildren();
        if (count($children) < 1) {

            return $this->templating->render('OpenOrchestraMediaBundle:BBcode:media_not_found.html.twig');
        }

        $mediaId = $children[0]->getAsBBCode();

        $media = $this->repository->find($mediaId);
        if ($media) {
            if ($preview) {

                return $this->displayMediaManager->displayMediaForWysiwyg(
                    $media,
                    $this->getFormat($el),
                    $this->getAlt($el),
                    $this->getLegend($el)
                );
            } else {

                return $this->displayMediaManager->renderMedia(
                    $media,
                    array(
                        'format' => $this->getFormat($el),
                        'style' => $this->getStyle($el)
                    )
                );
            }
        }

        return $this->templating->render('OpenOrchestraMediaBundle:BBcode:media_not_found.html.twig');
    }

    /**
     * Get requested media format
     *
     * @param BBcodeElementNodeInterface $el
     *
     * @return string
     */
    protected function getFormat(BBcodeElementNodeInterface $el)
    {
        return $this->getAttribute($el, 'format');
    }

    /**
     * Get requested media style
     *
     * @param BBcodeElementNodeInterface $el
     *
     * @return string
     */
    protected function getStyle(BBcodeElementNodeInterface $el)
    {
        return '';
    }

    /**
     * Get requested media alt
     *
     * @param BBcodeElementNodeInterface $el
     *
     * @return string
     */
    protected function getAlt(BBcodeElementNodeInterface $el)
    {
        return $this->getAttribute($el, 'alt');
    }

    /**
     * Get requested media legend
     *
     * @param BBcodeElementNodeInterface $el
     *
     * @return string
     */
    protected function getLegend(BBcodeElementNodeInterface $el)
    {
        return $this->getAttribute($el, 'legend');
    }

    /**
     * Get requested media legend
     *
     * @param BBcodeElementNodeInterface $el
     * @param string                     $attribute
     *
     * @return string
     */
    protected function getAttribute(BBcodeElementNodeInterface $el, $attribute)
    {
        $attributes = $el->getAttribute();

        if (isset($attributes[self::TAG_NAME])) {
            $attributes = json_decode($attributes[self::TAG_NAME]);
            if (isset($attributes->$attribute)) {

                return $attributes->$attribute;
            }
        }

        return '';
    }
}