function event_calendar_rss in Event 5

Same name and namespace in other branches

1. 5.2 event.module \event_calendar_rss()

Creates an rss feed of events.

Parameters

$stamp The GMT 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.:

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 703

Code

function event_calendar_rss($stamp, $duration, $types = NULL, $terms = NULL, $title = NULL) {
  global $base_url, $locale;
  $endstamp = $stamp + $duration * 86400;
  $headertitle = t('!startmonth !startdate, !startyear - !endmonth !enddate, !endyear', array(
    '!startmonth' => t(gmdate('F', $stamp)),
    '!startdate' => gmdate('d', $stamp),
    '!startyear' => gmdate('Y', $stamp),
    '!endmonth' => t(gmdate('F', $endstamp)),
    '!enddate' => gmdate('d', $endstamp),
    '!endyear' => gmdate('Y', $endstamp),
  ));
  $result = db_query(db_rewrite_sql('SELECT n.nid, e.event_start FROM {node} n INNER JOIN {event} e ON n.nid = e.nid WHERE n.status = 1 AND ((e.event_start > %d AND e.event_start < %d) OR (e.event_end > %d AND e.event_end < %d) OR (e.event_start < %d AND e.event_end > %d)) ORDER BY event_start '), $stamp, $endstamp, $stamp, $endstamp, $stamp, $endstamp);
  $nodes = array();
  while ($nid = db_fetch_object($result)) {
    $node = node_load($nid->nid);
    $nodes[] = $node;
  }
  $filtered = event_filter_nodes($nodes, $types, $terms);
  foreach ($filtered as $node) {
    $body = '<div class="start">' . t('Start') . ': ' . $node->start_format . '</div>' . "\n";
    $body .= '<div class="end">' . t('End') . ': ' . $node->end_format . '</div>' . "\n";
    $body .= check_markup($node->teaser);
    $link = url("node/{$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;
}