public function get_google_calendar_link($event_id = false)
{
// via http://stackoverflow.com/a/21653600/1119655
if (!$event_id) {
$event = get_post();
} else {
$event = get_post($event_id);
}
if (!is_object($event) || $event->post_type != 'sc_event') {
return;
}
$event_date = sc_get_event_date($event->ID);
$event_time = sc_get_event_time($event->ID);
$event_description = apply_filters('sc_ical_event_description', $event->post_content, $event);
$event_description = apply_filters('sc_google_calendar_event_description', $event_description, $event);
$event_description = sc_html2plain($event_description);
$args = array('event_name' => get_the_title($event->ID), 'start_date' => $event_date . ' ' . $event_time['start'], 'end_date' => $event_date . ' ' . $event_time['end'], 'details' => $event_description, 'location' => '');
if (function_exists('sc_get_event_address')) {
if ($address = sc_get_event_address($event->ID, ', ')) {
$args['location'] = $address;
}
}
$args = apply_filters('sc_google_calendar_link_data', $args, $event);
// Convert the time to the weird Google Calendar time format
$start_date = date('Y-m-d H:i:s', strtotime($args['start_date']));
$end_date = date('Y-m-d H:i:s', strtotime($args['end_date']));
$date = $this->get_google_calendar_time_format($start_date, $end_date);
unset($args['start_date']);
unset($args['end_date']);
$args['dates'] = $date;
$args['text'] = $args['event_name'];
unset($args['event_name']);
$args = array_map('trim', $args);
$args = array_map('urlencode', $args);
// Google Calendar links require these paramters
$args['action'] = 'TEMPLATE';
$args['sf'] = 'true';
$args['output'] = 'xml';
$link = add_query_arg($args, 'https://www.google.com/calendar/render');
return $link;
}
public function ical_feed()
{
global $wp_query;
if (!have_posts()) {
$wp_query->set_404();
$wp_query->max_num_pages = 0;
header('Content-Type: text/html; charset=' . get_option('blog_charset'), true);
locate_template('404.php', true);
die;
}
$display_format = '';
if (isset($_GET['format'])) {
$display_format = strtolower($_GET['format']);
}
if ($display_format == 'xml') {
nocache_headers();
header('Content-Type: text/xml; charset=' . get_option('blog_charset'), true);
}
if ($display_format == 'json') {
nocache_headers();
header('Content-Type: application/json; charset=' . get_option('blog_charset'), true);
}
//TODO: Add filters for these things
$calendar_name = get_bloginfo('name') . ' Events';
$calendar_description = 'Events found on ' . get_site_url();
$timezone = get_option('timezone_string');
// define time zone
$args = array('unique_id' => get_site_url(), 'TZID' => $timezone);
$v = new vcalendar($args);
// create a new calendar instance
$v->setProperty('method', 'PUBLISH');
// required of some calendar software
$v->setProperty('x-wr-calname', $calendar_name);
// required of some calendar software
$v->setProperty('X-WR-CALDESC', $calendar_description);
// required of some calendar software
$v->setProperty('X-WR-TIMEZONE', $timezone);
// required of some calendar software
$xprops = array('X-LIC-LOCATION' => $timezone);
// required of some calendar software
iCalUtilityFunctions::createTimezone($v, $timezone, $xprops);
// create timezone component(-s) opt. 1 based on present date
while (have_posts()) {
the_post();
$event_id = get_the_ID();
$event = get_post($event_id);
$event_date = sc_get_event_date($event_id);
$event_time = sc_get_event_time($event_id);
$event_start = strtotime($event_date . ' ' . $event_time['start']);
$event_end = strtotime($event_date . ' ' . $event_time['end']);
$event_location = '';
if (function_exists('sc_get_event_address')) {
$event_location = sc_get_event_address();
}
$event_description = apply_filters('sc_ical_event_description', get_the_content(), $event);
$event_description = sc_html2plain($event_description);
$vevent =& $v->newComponent('vevent');
// create an event calendar component
$start = array('year' => date('Y', $event_start), 'month' => date('n', $event_start), 'day' => date('j', $event_start), 'hour' => date('G', $event_start), 'min' => date('i', $event_start), 'sec' => date('s', $event_start));
$vevent->setProperty('dtstart', $start);
$end = array('year' => date('Y', $event_end), 'month' => date('n', $event_end), 'day' => date('j', $event_end), 'hour' => date('G', $event_end), 'min' => date('i', $event_end), 'sec' => date('s', $event_end));
$vevent->setProperty('dtend', $end);
$vevent->setProperty('LOCATION', $event_location);
// property name - case independent
if (function_exists('sc_get_the_organizer')) {
$organizer_details = sc_get_the_organizer($event_id);
$organizer_details = array_filter($organizer_details);
if (isset($organizer_details['name']) && isset($organizer_details['email'])) {
$organizer_args = array('CN' => $organizer_details['name']);
$x_params = array('Phone', 'Website');
foreach ($x_params as $param) {
$lowercase_param = strtolower($param);
if (isset($organizer_details[$lowercase_param])) {
$arg_key = 'X-' . $param;
$val = $organizer_details[$lowercase_param];
$organizer_args[$arg_key] = $val;
}
}
$vevent->setProperty('organizer', $organizer_details['email'], $organizer_args);
}
}
$vevent->setProperty('summary', $event->post_title);
$vevent->setProperty('description', $event_description);
}
// all calendar components are described in rfc5545
// a complete method list in iCalcreator manual
iCalUtilityFunctions::createTimezone($v, $timezone, $xprops);
// create timezone component(-s) opt. 2
// based on all start dates in events (i.e. dtstart)
if ($display_format == 'xml') {
echo iCal2XML($v);
exit;
}
if ($display_format == 'json') {
$xml = simplexml_load_string(iCal2XML($v));
echo json_encode($xml);
exit;
}
$v->returnCalendar();
// redirect calendar file to browser
exit;
}