function theme_calendar_ical_feed in Calendar 5

Same name and namespace in other branches

1. 5.2 calendar_ical.module \theme_calendar_ical_feed()

plugin that actually displays an ical feed

File

./calendar_ical.module, line 414

Adds ical functionality to Calendar.

Code

function theme_calendar_ical_feed($view, $items, $type) {
  calendar_ical_load_date_ical();
  if ($type == 'block') {
    return;
  }
  $results = calendar_get_nodes($view, $items, $type);
  $nodes = $results['nodes'];

  // Unset empty nodes that might have been created to fill out empty calendars.
  unset($nodes[0]);
  $params = $results['params'];
  foreach ((array) $nodes as $delta => $node) {

    // switch our psuedo nids back to the right values
    $tmp = explode(':', $node->nid);
    $node->nid = $tmp[0];
    $nodes[$delta] = $node;
  }
  foreach (module_implements('calendar_add_items') as $module) {
    $function = $module . '_calendar_add_items';
    $nodes += $function($view);
  }
  drupal_set_header('Content-Type: text/calendar; charset=utf-8');
  drupal_set_header('Content-Disposition: attachment; filename="calendar.ics"; ');
  $events = array();
  foreach ($nodes as $node) {
    $event = array();

    // Allow modules to affect item fields
    node_invoke_nodeapi($node, 'ical item');
    $event['start'] = $node->calendar_start;
    $event['end'] = $node->calendar_end;
    $event['timezone'] = 'GMT';
    $event['location'] = $node->calendar_location;
    $event['summary'] = $node->title;
    $event['description'] = $node->teaser;
    $event['uid'] = $node->uid ? $node->uid : (is_numeric($node->nid) ? url("node/{$node->nid}", NULL, NULL, 1) : $node->nid);
    $event['url'] = $node->url ? $node->url : (is_numeric($node->nid) ? url("node/{$node->nid}", NULL, NULL, 1) : $node->nid);
    $events[] = $event;
  }
  $description = $headertitle . ($title ? ' | ' . $title : '');
  print date_ical_export($events, $description);
  module_invoke_all('exit');
  exit;
}