$description .= $permalink;
//$description.= ' ['.sprintf(__('by: %s'),get_the_author_nickname()).']';
ec3_ical_echo('DESCRIPTION:' . ec3_ical_quote($description));
if ($entry->allday) {
$dt_start = mysql2date('Ymd', $entry->start);
$dt_end = date('Ymd', mysql2date('U', $entry->end) + 3600 * 24);
ec3_ical_echo("TRANSP:TRANSPARENT");
// for availability.
ec3_ical_echo("DTSTART;VALUE=DATE:{$dt_start}");
ec3_ical_echo("DTEND;VALUE=DATE:{$dt_end}");
} else {
ec3_ical_echo('TRANSP:OPAQUE');
// for availability.
// Convert timestamps to UTC
ec3_ical_echo('DTSTART;VALUE=DATE-TIME:' . ec3_to_utc($entry->start));
ec3_ical_echo('DTEND;VALUE=DATE-TIME:' . ec3_to_utc($entry->end));
}
// Location
$location = get_post_meta($entry->post_id, 'location', true);
$location = apply_filters('ical_location', $location);
if (!empty($location)) {
ec3_ical_echo('LOCATION:' . ec3_ical_quote($location));
}
// GEO
$geo = get_post_meta($entry->post_id, 'geo', true);
$geo = apply_filters('ical_geo', $geo);
if (!empty($geo)) {
ec3_ical_echo('GEO:' . ec3_ical_quote($geo));
}
do_action('ical_item');
ec3_ical_echo('END:VEVENT');
/** If the parameter ec3_ical is set, then brutally hijack the page and replace
* it with iCalendar data.
* (Includes fixes contributed by Matthias Tarasiewicz & Marc Schumann.)*/
function ec3_filter_query_vars_ical($wpvarstoreset = NULL)
{
//
// Generate the iCalendar
$name = preg_replace('/([\\,;])/', '\\\\$1', get_bloginfo_rss('name'));
$filename = preg_replace('/[^0-9a-zA-Z]/', '', $name) . '.ics';
header("Content-Type: text/calendar");
header("Content-Disposition: inline; filename={$filename}");
header('Expires: Wed, 11 Jan 1984 05:00:00 GMT');
header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
header('Cache-Control: no-cache, must-revalidate, max-age=0');
header('Pragma: no-cache');
echo "BEGIN:VCALENDAR\r\n";
echo "VERSION:2.0\r\n";
echo "X-WR-CALNAME:{$name}\r\n";
global $ec3, $wpdb;
$calendar_entries = $wpdb->get_results("SELECT\n post_id,\n sched_id,\n post_title,\n post_excerpt,\n DATE_FORMAT(start,IF(allday,'%Y%m%d','%Y-%m-%d %H:%i')) AS dt_start,\n IF( allday,\n DATE_FORMAT(DATE_ADD(end, INTERVAL 1 DAY),'%Y%m%d'),\n DATE_FORMAT(end,'%Y-%m-%d %H:%i')\n ) AS dt_end,\n {$ec3->wp_user_nicename} AS user_nicename,\n IF(allday,'TRANSPARENT','OPAQUE') AS transp,\n allday\n FROM {$wpdb->posts} p\n LEFT JOIN {$wpdb->users} u ON p.post_author=u.ID\n INNER JOIN {$ec3->schedule} s ON p.id=s.post_id\n WHERE post_status='publish'\n ORDER BY start");
if ($calendar_entries) {
foreach ($calendar_entries as $entry) {
// ?? Should add line folding at 75 octets at some time as per RFC 2445.
$summary = preg_replace('/([\\,;])/', '\\\\$1', $entry->post_title);
$permalink = get_permalink($entry->post_id);
echo "BEGIN:VEVENT\r\n";
echo "SUMMARY:{$summary}\r\n";
echo "URL;VALUE=URI:{$permalink}\r\n";
echo "UID:{$entry->sched_id}-{$permalink}\r\n";
$description = '';
if (strlen($entry->post_excerpt) > 0) {
// I can't get iCal to understand iCalendar encoding.
// So just strip out newlines here:
$description = preg_replace('/[ \\r\\n]+/', ' ', $entry->post_excerpt . ' ');
$description = preg_replace('/([\\,;])/', '\\\\$1', $description);
}
$description .= '[' . sprintf(__('by: %s'), $entry->user_nicename) . ']';
echo "DESCRIPTION:{$description}\r\n";
echo "TRANSP:{$entry->transp}\r\n";
// for availability.
if ($entry->allday) {
echo "DTSTART;VALUE=DATE:{$entry->dt_start}\r\n";
echo "DTEND;VALUE=DATE:{$entry->dt_end}\r\n";
} else {
// Convert timestamps to UTC
echo sprintf("DTSTART;VALUE=DATE-TIME:%s\r\n", ec3_to_utc($entry->dt_start));
echo sprintf("DTEND;VALUE=DATE-TIME:%s\r\n", ec3_to_utc($entry->dt_end));
}
echo "END:VEVENT\r\n";
}
}
echo "END:VCALENDAR\r\n";
exit(0);
}
