AnnounceRenderer.php

<?php

declare (strict_types=1);
namespace Drupal\announcements_feed;

use Drupal\Core\StringTranslation\StringTranslationTrait;

/**
 * Service to render announcements from the external feed.
 *
 * @internal
 */
final class AnnounceRenderer {
    use StringTranslationTrait;
    
    /**
     * Constructs an AnnouncementRenderer object.
     *
     * @param \Drupal\announcements_feed\AnnounceFetcher $announceFetcher
     *   The AnnounceFetcher service.
     * @param string $feedLink
     *   The feed url path.
     */
    public function __construct(AnnounceFetcher $announceFetcher, string $feedLink) {
    }
    
    /**
     * Generates the announcements feed render array.
     *
     * @return array
     *   Render array containing the announcements feed.
     */
    public function render() : array {
        try {
            $announcements = $this->announceFetcher
                ->fetch();
        } catch (\Exception $e) {
            return [
                '#theme' => 'status_messages',
                '#message_list' => [
                    'error' => [
                        $this->t('An error occurred while parsing the announcements feed, check the logs for more information.'),
                    ],
                ],
                '#status_headings' => [
                    'error' => $this->t('Error Message'),
                ],
            ];
        }
        $build = [];
        foreach ($announcements as $announcement) {
            $key = $announcement->featured ? '#featured' : '#standard';
            $build[$key][] = $announcement;
        }
        $build += [
            '#theme' => 'announcements_feed',
            '#count' => count($announcements),
            '#feed_link' => $this->feedLink,
            '#cache' => [
                'contexts' => [
                    'url.query_args:_wrapper_format',
                ],
                'tags' => [
                    'announcements_feed:feed',
                ],
            ],
            '#attached' => [
                'library' => [
                    'announcements_feed/drupal.announcements_feed.dialog',
                ],
            ],
        ];
        return $build;
    }

}