function Rss::render

Overrides RowPluginBase::render

File

core/modules/comment/src/Plugin/views/row/Rss.php, line 71

Class

Rss

Plugin which formats the comments as RSS items.

Namespace

Code

public function render($row) {
    global $base_url;
    $cid = $row->{$this->field_alias};
    if (!is_numeric($cid)) {
        return;
    }
    $view_mode = $this->options['view_mode'];
    if ($view_mode == 'default') {
        $view_mode = \Drupal::config('system.rss')->get('items.view_mode');
    }
    // Load the specified comment and its associated node:
    
    /** @var \Drupal\comment\CommentInterface $comment */
    $comment = $this->comments[$cid];
    if (empty($comment)) {
        return;
    }
    $comment->rss_namespaces = [];
    $comment->rss_elements = [
        [
            'key' => 'pubDate',
            'value' => gmdate('r', $comment->getCreatedTime()),
        ],
        [
            'key' => 'dc:creator',
            'value' => $comment->getAuthorName(),
        ],
        [
            'key' => 'guid',
            'value' => 'comment ' . $comment->id() . ' at ' . $base_url,
            'attributes' => [
                'isPermaLink' => 'false',
            ],
        ],
    ];
    // The comment gets built and modules add to or modify
    // $comment->rss_elements and $comment->rss_namespaces.
    $build = $this->entityTypeManager
        ->getViewBuilder('comment')
        ->view($comment, 'rss');
    unset($build['#theme']);
    if (!empty($comment->rss_namespaces)) {
        $this->view->style_plugin->namespaces = array_merge($this->view->style_plugin->namespaces, $comment->rss_namespaces);
    }
    $item = new \stdClass();
    if ($view_mode != 'title') {
        // We render comment contents.
        $item->description = $build;
    }
    $item->title = $comment->label();
    $item->link = $comment->toUrl('canonical', [
        'absolute' => TRUE,
    ])
        ->toString();
    // Provide a reference so that the render call in
    // template_preprocess_views_view_row_rss() can still access it.
    $item->elements =& $comment->rss_elements;
    $item->cid = $comment->id();
    $build = [
        '#theme' => $this->themeFunctions(),
        '#view' => $this->view,
        '#options' => $this->options,
        '#row' => $item,
    ];
    return $build;
}