function views_plugin_row_node_rss::render

Overrides views_plugin_row::render

File

modules/node/views_plugin_row_node_rss.inc, line 40

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;
    $item->link = url("node/{$node->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);
}