brightcove_media_migrate.module

<?php

/**
 * @file
 * Primary module hooks for Brightcove Media Migrate module.
 */

use Drupal\Core\Routing\RouteMatchInterface;

/**
 * Provide online user help.
 *
 * @param string $route_name
 *   For page-specific help, use the route name.
 * @param Drupal\Core\Routing\RouteMatchInterface $route_match
 *   The current route match.
 *
 * @return string|string[]
 *   A render array, localized string, or object that can be rendered.
 */
function brightcove_media_migrate_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    case 'help.page.brightcove_media_migrate':
      $text = file_get_contents(dirname(__FILE__) . "/README.md");
      if (!\Drupal::moduleHandler()->moduleExists('markdown')) {
        return '<pre>' . $text . '</pre>';
      }
      else {
        // Use the Markdown filter to render the README.
        $filter_manager = \Drupal::service('plugin.manager.filter');
        $settings = \Drupal::configFactory()->get('markdown.settings')->getRawData();
        $config = ['settings' => $settings];
        $filter = $filter_manager->createInstance('markdown', $config);
        $filterResult = $filter->process($text, 'en');
        $text = $filterResult->getProcessedText();
        return '<div>' . $text->getHtml() . '</div>';
      }
  }
  return NULL;
}