function export_events_ics()
{
global $eventon;
if (!wp_verify_nonce($_REQUEST['nonce'], 'eventon_download_events')) {
die('Nonce Security Failed.');
}
$events = $eventon->evo_generator->get_all_event_data();
if (!empty($events)) {
$taxopt = get_option("evo_tax_meta");
// taxonomy options values;
$slug = 'eventon_events';
header("Content-Type: text/Calendar; charset=utf-8");
header("Content-Disposition: inline; filename={$slug}.ics");
echo "BEGIN:VCALENDAR\n";
echo "VERSION:2.0\n";
echo "PRODID:-//eventon.com NONSGML v1.0//EN\n";
echo "CALSCALE:GREGORIAN\n";
echo "METHOD:PUBLISH\n";
foreach ($events as $event_id => $event) {
$location = $summary = '';
if (!empty($event['details'])) {
$summary = wp_trim_words($event['details'], 50, '[..]');
}
// location
$Locterms = wp_get_object_terms($event_id, 'event_location');
$location_name = $locationAddress = '';
if ($Locterms && !is_wp_error($Locterms)) {
$location_name = $Locterms[0]->name;
$termMeta = evo_get_term_meta('event_location', $Locterms[0]->term_id, $taxopt, true);
$locationAddress = !empty($termMeta['location_address']) ? $termMeta['location_address'] : (!empty($event['location_address']) ? $event['location_address'] : '');
}
$location = (!empty($location_name) ? $location_name : '') . ' ' . (!empty($locationAddress) ? $locationAddress : '');
$uid = uniqid();
echo "BEGIN:VEVENT\n";
echo "UID:{$uid}\n";
// required by Outlok
echo "DTSTAMP:" . date_i18n('Ymd') . 'T' . date_i18n('His') . "\n";
// required by Outlook
echo "DTSTART:" . evo_get_adjusted_utc($event['start']) . "\n";
echo "DTEND:" . evo_get_adjusted_utc($event['end']) . "\n";
if (!empty($location)) {
echo "LOCATION:" . $this->esc_ical_text($location) . "\n";
}
echo "SUMMARY:" . htmlspecialchars_decode($event['name']) . "\n";
if (!empty($summary)) {
echo "DESCRIPTION: " . $this->esc_ical_text($summary) . "\n";
}
echo "END:VEVENT\n";
// repeating instances
if (!empty($event['repeats']) && is_array($event['repeats'])) {
foreach ($event['repeats'] as $interval => $repeats) {
if ($interval == 0) {
continue;
}
$uid = uniqid();
echo "BEGIN:VEVENT\n";
echo "UID:{$uid}\n";
// required by Outlok
echo "DTSTAMP:" . date_i18n('Ymd') . 'T' . date_i18n('His') . "\n";
// required by Outlook
echo "DTSTART:" . evo_get_adjusted_utc($repeats[0]) . "\n";
echo "DTEND:" . evo_get_adjusted_utc($repeats[1]) . "\n";
if (!empty($location)) {
echo "LOCATION:" . $this->esc_ical_text($location) . "\n";
}
echo "SUMMARY:" . htmlspecialchars_decode($event['name']) . "\n";
if (!empty($summary)) {
echo "DESCRIPTION: " . $this->esc_ical_text($summary) . "\n";
}
echo "END:VEVENT\n";
}
}
}
echo "END:VCALENDAR";
}
}
function eventon_get_addgoogle_cal($object)
{
$location = !empty($object->evals['evcal_location']) ? urlencode($object->evals['evcal_location'][0]) : '';
$start = evo_get_adjusted_utc($object->estart);
$end = evo_get_adjusted_utc($object->eend);
$title = urlencode($object->etitle);
return 'http://www.google.com/calendar/event?action=TEMPLATE&text=' . $title . '&dates=' . $start . '/' . $end . '&details=' . $title . '&location=' . $location;
}
function eventon_ics_download()
{
$event_id = (int) $_GET['event_id'];
$sunix = (int) $_GET['sunix'];
$eunix = (int) $_GET['eunix'];
//error_reporting(E_ALL);
//ini_set('display_errors', '1');
//$the_event = get_post($event_id);
$ev_vals = get_post_custom($event_id);
$event_start_unix = $sunix;
$event_end_unix = !empty($eunix) ? $eunix : $sunix;
$name = $summary = get_the_title($event_id);
// summary for ICS file
$event = get_post($event_id);
$content = !empty($event->post_content) ? $event->post_content : '';
if (!empty($content)) {
$content = strip_tags($content);
$content = str_replace(']]>', ']]>', $content);
$summary = wp_trim_words($content, 50, '[..]');
//$summary = substr($content, 0, 500).' [..]';
}
$location = !empty($ev_vals['evcal_location']) ? $ev_vals['evcal_location'][0] : '';
$start = evo_get_adjusted_utc($event_start_unix);
$end = evo_get_adjusted_utc($event_end_unix);
$uid = uniqid();
//$description = $the_event->post_content;
ob_clean();
//$slug = strtolower(str_replace(array(' ', "'", '.'), array('_', '', ''), $name));
$slug = $event->post_name;
header("Content-Type: text/Calendar; charset=utf-8");
header("Content-Disposition: inline; filename={$slug}.ics");
echo "BEGIN:VCALENDAR\n";
echo "VERSION:2.0\n";
echo "PRODID:-//eventon.com NONSGML v1.0//EN\n";
//echo "METHOD:REQUEST\n"; // requied by Outlook
echo "BEGIN:VEVENT\n";
echo "UID:{$uid}\n";
// required by Outlok
echo "DTSTAMP:" . date_i18n('Ymd') . 'T' . date_i18n('His') . "\n";
// required by Outlook
echo "DTSTART:{$start}\n";
echo "DTEND:{$end}\n";
echo "LOCATION:{$location}\n";
echo "SUMMARY:{$name}\n";
echo "DESCRIPTION: {$summary}\n";
echo "END:VEVENT\n";
echo "END:VCALENDAR";
exit;
}