function event_calendar_rss in Event 5.2

Same name and namespace in other branches

1. 5 event.module \event_calendar_rss()

Creates an rss feed of events.

Parameters

$date The starting date for the feed.:

$duration The number of days the feeds duration is.:

$types The content types to filter the feed by.:

$terms The taxonomy term tids to filter the feed by.:

$title The filter title to append to the channel description.:

$rewrite_parameter optional array that will be passed on to queries: in event_database.*.inc files and merged into the fourth argument of db_rewrite_sql.

Return value

A formatted rss feed.

Related topics

1 call to event_calendar_rss()

event_page in ./event.module

Displays a page containing event information. The page layout defaults to a graphical calendar.

File

./event.module, line 723

Code

function event_calendar_rss($date, $duration, $types = NULL, $terms = NULL, $title = NULL, $rewrite_parameter = array()) {
  global $base_url, $locale;
  $end_date = event_date_later($date, $duration);
  $headertitle = event_format_date($date, 'custom', 'F d Y') . '-' . event_format_date($end_date, 'custom', 'F d Y');
  $result = event_get_events(event_implode_date($date), event_implode_date($end_date), 'ASC', $rewrite_parameter);
  $nodes = array();
  while ($nid = db_fetch_object($result)) {
    $node = node_load($nid->nid);
    node_invoke_nodeapi($node, 'view', FALSE, FALSE);
    $nodes[] = $node;
  }
  $filtered = event_filter_nodes($nodes, $types, $terms);
  foreach ($filtered as $node) {
    $body = '<div class="start">' . t('Start') . ': ' . $node->event['start_format'] . '</div>' . "\n";
    $body .= '<div class="end">' . t('End') . ': ' . $node->event['end_format'] . '</div>' . "\n";
    $body .= check_markup($node->teaser, $node->format);
    $link = url("node/{$node->nid}", NULL, NULL, 1);

    // Allow modules to add additional item fields
    $extra = node_invoke_nodeapi($node, 'rss item');
    $extra = array_merge($extra, array(
      array(
        'key' => 'pubDate',
        'value' => date('r', $node->changed),
      ),
    ));
    $items .= format_rss_item($node->title, $link, $body, $extra);
  }
  $description = $headertitle . ($title ? ' | ' . $title : '');
  $output = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n";
  if (module_exists('location')) {
    $output .= "<rss version=\"2.0\" xmlns:geo=\"http://www.w3.org/2003/01/geo/wgs84_pos#\" xmlns:geourl=\"http://geourl.org/rss/module/\" xmlns:icbm=\"http://postneo.com/icbm\"  xml:base=\"" . $base_url . "\">\n";
  }
  else {
    $output .= "<rss version=\"2.0\" xml:base=\"" . $base_url . "\">\n";
  }
  $output .= format_rss_channel(variable_get('site_name', 'drupal') . t(' - Events Feed'), url('event/feed', NULL, NULL, TRUE), $description, $items, $locale);
  $output .= "</rss>\n";
  return $output;
}