media_avportal-8.x-1.0-beta10/src/Plugin/media/Source/MediaAvPortalVideoSource.php

<?php

declare(strict_types=1);

namespace Drupal\media_avportal\Plugin\media\Source;

/**
 * Provides a media source plugin for Media AV Portal resources.
 *
 * @MediaSource(
 *   id = "media_avportal_video",
 *   label = @Translation("Media AV Portal Video"),
 *   description = @Translation("Media AV portal video plugin."),
 *   allowed_field_types = {"string"},
 *   default_thumbnail_filename = "no-thumbnail.png",
 * )
 */
class MediaAvPortalVideoSource extends MediaAvPortalSourceBase {

  /**
   * {@inheritdoc}
   */
  public function getSupportedUrlFormats(): array {
    return [
      'https://audiovisual.ec.europa.eu/en/video/[REF]',
      'https://ec.europa.eu/avservices/video/player.cfm?sitelang=en&ref=[REF]',
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function getSupportedUrlPatterns(): array {
    return [
      '@audiovisual\.ec\.europa\.eu\/(.*)\/video\/(I\-\d+)@i' => 'handleVideoFullUrlPattern',
      '@ec\.europa\.eu\/avservices\/video\/player\.cfm\?(.*)ref\=(I\-\d+)@i' => 'handleVideoFullUrlPattern',
    ];
  }

  /**
   * Callback function that handles Full Url Video patterns.
   *
   * @param string $pattern
   *   The pattern to check.
   * @param string $url
   *   The url.
   *
   * @return string
   *   The reference extracted from the url.
   */
  public function handleVideoFullUrlPattern(string $pattern, string $url): string {

    preg_match_all($pattern, $url, $matches);
    if (!empty($matches)) {
      return $matches[2][0];
    }

    return '';
  }

  /**
   * {@inheritdoc}
   */
  public function transformReferenceToUrl(string $reference): string {

    $formats = $this->getSupportedUrlFormats();
    $reference_url = reset($formats);

    if (preg_match('/I\-(\d+)/', $reference)) {
      return str_replace('[REF]', $reference, $reference_url);
    }

    return '';
  }

}