function Rss::render

Render a row object. This usually passes through to a theme template of some form, but not always.

Parameters

stdClass $row: A single row of the query result, so an element of $view->result.

Return value

string The rendered output of a single row, used by the style plugin.

Overrides RowPluginBase::render

File

drupal/core/modules/node/lib/Drupal/node/Plugin/views/row/Rss.php, line 94

Definition of Drupal\node\Plugin\views\row\Rss.

Class

Rss

Plugin which performs a node_view on the resulting object and formats it as an RSS item.

Namespace

Code

function render($row) {

  // For the most part, this code is taken from node_feed() in node.module
  global $base_url;
  $nid = $row->{$this->field_alias};
  if (!is_numeric($nid)) {
    return;
  }
  $display_mode = $this->options['item_length'];
  if ($display_mode == 'default') {
    $display_mode = config('system.rss')
      ->get('items.view_mode');
  }

  // Load the specified node:
  $node = $this->nodes[$nid];
  if (empty($node)) {
    return;
  }
  $item_text = '';
  $uri = $node
    ->uri();
  $node->link = url($uri['path'], $uri['options'] + array(
    'absolute' => TRUE,
  ));
  $node->rss_namespaces = array();
  $node->rss_elements = array(
    array(
      'key' => 'pubDate',
      'value' => gmdate('r', $node->created),
    ),
    array(
      'key' => 'dc:creator',
      'value' => $node->name,
    ),
    array(
      'key' => 'guid',
      'value' => $node->nid . ' at ' . $base_url,
      'attributes' => array(
        'isPermaLink' => 'false',
      ),
    ),
  );

  // The node gets built and modules add to or modify $node->rss_elements
  // and $node->rss_namespaces.
  $build_mode = $display_mode;
  $build = node_view($node, $build_mode);
  unset($build['#theme']);
  if (!empty($node->rss_namespaces)) {
    $this->view->style_plugin->namespaces = array_merge($this->view->style_plugin->namespaces, $node->rss_namespaces);
  }
  elseif (function_exists('rdf_get_namespaces')) {

    // Merge RDF namespaces in the XML namespaces in case they are used
    // further in the RSS content.
    $xml_rdf_namespaces = array();
    foreach (rdf_get_namespaces() as $prefix => $uri) {
      $xml_rdf_namespaces['xmlns:' . $prefix] = $uri;
    }
    $this->view->style_plugin->namespaces += $xml_rdf_namespaces;
  }

  // Hide the links if desired.
  if (!$this->options['links']) {
    hide($build['links']);
  }
  if ($display_mode != 'title') {

    // We render node contents and force links to be last.
    $build['links']['#weight'] = 1000;
    $item_text .= drupal_render($build);
  }
  $item = new \stdClass();
  $item->description = $item_text;
  $item->title = $node
    ->label();
  $item->link = $node->link;
  $item->elements = $node->rss_elements;
  $item->nid = $node->nid;
  return theme($this
    ->themeFunctions(), array(
    'view' => $this->view,
    'options' => $this->options,
    'row' => $item,
  ));
}