function views_plugin_row_node_rss::render in Views (for Drupal 7) 6.2

Same name and namespace in other branches

1. 6.3 modules/node/views_plugin_row_node_rss.inc \views_plugin_row_node_rss::render()
2. 7.3 modules/node/views_plugin_row_node_rss.inc \views_plugin_row_node_rss::render()

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

Overrides views_plugin_row::render

File

modules/node/views_plugin_row_node_rss.inc, line 40

Contains the node RSS row style plugin.

Class

views_plugin_row_node_rss

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

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;
  }
  $item_length = $this->options['item_length'];
  if ($item_length == 'default') {
    $item_length = variable_get('feed_item_length', 'teaser');
  }

  // Load the specified node:
  $node = node_load($nid);
  if (empty($node)) {
    return;
  }
  $node->build_mode = NODE_BUILD_RSS;
  if ($item_length != 'title') {
    $teaser = $item_length == 'teaser' ? TRUE : FALSE;

    // Filter and prepare node teaser
    if (node_hook($node, 'view')) {
      $node = node_invoke($node, 'view', $teaser, FALSE);
    }
    else {
      $node = node_prepare($node, $teaser);
    }

    // Allow modules to change $node->teaser before viewing.
    node_invoke_nodeapi($node, 'view', $teaser, FALSE);
  }

  // Set the proper node part, then unset unused $node part so that a bad
  // theme can not open a security hole.
  $content = drupal_render($node->content);
  if ($teaser) {
    $node->teaser = $content;
    unset($node->body);
  }
  else {
    $node->body = $content;
    unset($node->teaser);
  }

  // Allow modules to modify the fully-built node.
  node_invoke_nodeapi($node, 'alter', $teaser, FALSE);
  $item = new stdClass();
  $item->title = $node->title;
  $item->link = url("node/{$row->nid}", array(
    'absolute' => TRUE,
  ));
  $item->nid = $node->nid;
  $item->readmore = $node->readmore;

  // Allow modules to add additional item fields and/or modify $item
  $extra = node_invoke_nodeapi($node, 'rss item');
  $item->elements = array_merge($extra, array(
    array(
      'key' => 'pubDate',
      'value' => gmdate('r', $node->created),
    ),
    array(
      'key' => 'dc:creator',
      'value' => $node->name,
      'namespace' => array(
        'xmlns:dc' => 'http://purl.org/dc/elements/1.1/',
      ),
    ),
    array(
      'key' => 'guid',
      'value' => $node->nid . ' at ' . $base_url,
      'attributes' => array(
        'isPermaLink' => 'false',
      ),
    ),
  ));
  foreach ($item->elements as $element) {
    if (isset($element['namespace'])) {
      $this->view->style_plugin->namespaces = array_merge($this->view->style_plugin->namespaces, $element['namespace']);
    }
  }

  // Prepare the item description
  switch ($item_length) {
    case 'fulltext':
      $item->description = $node->body;
      break;
    case 'teaser':
      $item->description = $node->teaser;
      if (!empty($item->readmore)) {
        $item->description .= '<p>' . l(t('read more'), 'node/' . $item->nid, array(
          'absolute' => TRUE,
          'attributes' => array(
            'target' => '_blank',
          ),
        )) . '</p>';
      }
      break;
    case 'title':
      $item->description = '';
      break;
  }
  return theme($this
    ->theme_functions(), $this->view, $this->options, $item);
}