/**
* Generates an ics file for a single event
*/
function em_ical_item()
{
global $wpdb, $wp_query, $wp_rewrite;
//check if we're outputting an ical feed
if (!empty($wp_query) && $wp_query->get('ical')) {
$execute_ical = false;
$filename = 'events';
$args = array();
//single event
if ($wp_query->get(EM_POST_TYPE_EVENT)) {
$event_id = $wpdb->get_var('SELECT event_id FROM ' . EM_EVENTS_TABLE . " WHERE event_slug='" . $wp_query->get(EM_POST_TYPE_EVENT) . "' AND event_status=1 LIMIT 1");
if (!empty($event_id)) {
$filename = $wp_query->get(EM_POST_TYPE_EVENT);
$args['event'] = $event_id;
}
//single location
} elseif ($wp_query->get(EM_POST_TYPE_LOCATION)) {
$location_id = $wpdb->get_var('SELECT location_id FROM ' . EM_LOCATIONS_TABLE . " WHERE location_slug='" . $wp_query->get(EM_POST_TYPE_LOCATION) . "' AND location_status=1 LIMIT 1");
if (!empty($location_id)) {
$filename = $wp_query->get(EM_POST_TYPE_LOCATION);
$args['location'] = $location_id;
}
//taxonomies
} else {
$taxonomies = EM_Object::get_taxonomies();
foreach ($taxonomies as $tax_arg => $taxonomy_info) {
$taxonomy_term = $wp_query->get($taxonomy_info['query_var']);
if ($taxonomy_term) {
$filename = $taxonomy_term;
$args[$tax_arg] = $taxonomy_term;
}
}
}
//only output the ical if we have a match from above
if (count($args) > 0) {
//send headers and output ical
header('Content-type: text/calendar; charset=utf-8');
header('Content-Disposition: inline; filename="' . $filename . '.ics"');
em_locate_template('templates/ical.php', true, array('args' => $args));
exit;
} else {
//no item exists, so redirect to original URL
$url_to_redirect = preg_replace("/ical\\/\$/", '', esc_url_raw(add_query_arg(array('ical' => null))));
wp_redirect($url_to_redirect, '302');
exit;
}
}
}
public static function rewrite_rules_array($rules)
{
global $wpdb;
//get the slug of the event page
$events_page_id = get_option('dbem_events_page');
$events_page = get_post($events_page_id);
$em_rules = array();
if (is_object($events_page)) {
$events_slug = urldecode(preg_replace('/\\/$/', '', str_replace(trailingslashit(home_url()), '', get_permalink($events_page_id))));
$events_slug = !empty($events_slug) ? trailingslashit($events_slug) : $events_slug;
$em_rules[$events_slug . '(\\d{4}-\\d{2}-\\d{2})$'] = 'index.php?pagename=' . $events_slug . '&calendar_day=$matches[1]';
//event calendar date search
if ($events_page_id != get_option('page_on_front') && EM_POST_TYPE_EVENT_SLUG != $events_slug) {
//ignore this rule if events page is the home page
$em_rules[$events_slug . 'rss/?$'] = 'index.php?post_type=' . EM_POST_TYPE_EVENT . '&feed=feed';
//rss page
$em_rules[$events_slug . 'feed/?$'] = 'index.php?post_type=' . EM_POST_TYPE_EVENT . '&feed=feed';
//compatible rss page
}
if (EM_POST_TYPE_EVENT_SLUG . '/' == $events_slug) {
//won't apply on homepage
//make sure we hard-code rewrites for child pages of events
$child_posts = $wpdb->get_results("SELECT ID, post_name FROM {$wpdb->posts} WHERE post_parent={$events_page->ID} AND post_type='page' AND post_status='publish'");
foreach ($child_posts as $child_post) {
$em_rules[$events_slug . urldecode($child_post->post_name) . '/?$'] = 'index.php?page_id=' . $child_post->ID;
//single event booking form with slug //check if child page has children
$grandchildren = $wpdb->get_results("SELECT ID, post_name FROM {$wpdb->posts} WHERE post_parent={$child_post->ID} AND post_type='page' AND post_status='publish'");
if (count($grandchildren) != 0) {
foreach ($grandchildren as $grandchild) {
$em_rules[$events_slug . urldecode($child_post->post_name) . '/' . urldecode($grandchild->post_name) . '/?$'] = 'index.php?page_id=' . $grandchild->ID;
}
}
}
} elseif (empty($events_slug)) {
//hard code homepage child pages
$child_posts = $wpdb->get_results("SELECT ID, post_name FROM {$wpdb->posts} WHERE post_parent={$events_page->ID} AND post_type='page' AND post_status='publish'");
foreach ($child_posts as $child_post) {
$em_rules[$events_page->post_name . '/' . urldecode($child_post->post_name) . '/?$'] = 'index.php?page_id=' . $child_post->ID;
//single event booking form with slug //check if child page has children
$grandchildren = $wpdb->get_results("SELECT ID, post_name FROM {$wpdb->posts} WHERE post_parent={$child_post->ID} AND post_type='page' AND post_status='publish'");
if (count($grandchildren) != 0) {
foreach ($grandchildren as $grandchild) {
$em_rules[$events_slug . urldecode($child_post->post_name) . '/' . urldecode($grandchild->post_name) . '/?$'] = 'index.php?page_id=' . $grandchild->ID;
}
}
}
}
//global links hard-coded
if (EM_MS_GLOBAL && !get_site_option('dbem_ms_global_events_links', true)) {
//MS Mode has slug also for global links
$em_rules[$events_slug . get_site_option('dbem_ms_events_slug', EM_EVENT_SLUG) . '/(.+)$'] = 'index.php?pagename=' . $events_slug . '&em_redirect=1&event_slug=$matches[1]';
//single event from subsite
}
//add redirection for backwards compatability
$em_rules[$events_slug . EM_EVENT_SLUG . '/(.+)$'] = 'index.php?pagename=' . $events_slug . '&em_redirect=1&event_slug=$matches[1]';
//single event
$em_rules[$events_slug . EM_LOCATION_SLUG . '/(.+)$'] = 'index.php?pagename=' . $events_slug . '&em_redirect=1&location_slug=$matches[1]';
//single location page
$em_rules[$events_slug . EM_CATEGORY_SLUG . '/(.+)$'] = 'index.php?pagename=' . $events_slug . '&em_redirect=1&category_slug=$matches[1]';
//single category page slug
//add a rule that ensures that the events page is found and used over other pages
$em_rules[trim($events_slug, '/') . '/?$'] = 'index.php?pagename=' . trim($events_slug, '/');
} else {
$events_slug = EM_POST_TYPE_EVENT_SLUG;
$em_rules[$events_slug . '/(\\d{4}-\\d{2}-\\d{2})$'] = 'index.php?post_type=' . EM_POST_TYPE_EVENT . '&calendar_day=$matches[1]';
//event calendar date search
if (get_option('dbem_rsvp_enabled')) {
if (!get_option('dbem_my_bookings_page') || !is_object(get_post(get_option('dbem_my_bookings_page')))) {
//only added if bookings page isn't assigned
$em_rules[$events_slug . '/my\\-bookings$'] = 'index.php?post_type=' . EM_POST_TYPE_EVENT . '&bookings_page=1';
//page for users to manage bookings
}
}
//check for potentially conflicting posts with the same slug as events
$conflicting_posts = get_posts(array('name' => EM_POST_TYPE_EVENT_SLUG, 'post_type' => 'any', 'numberposts' => 0));
if (count($conflicting_posts) > 0) {
//won't apply on homepage
foreach ($conflicting_posts as $conflicting_post) {
//make sure we hard-code rewrites for child pages of events
$child_posts = get_posts(array('post_type' => 'any', 'post_parent' => $conflicting_post->ID, 'numberposts' => 0));
foreach ($child_posts as $child_post) {
$em_rules[EM_POST_TYPE_EVENT_SLUG . '/' . urldecode($child_post->post_name) . '/?$'] = 'index.php?page_id=' . $child_post->ID;
//single event booking form with slug
//check if child page has children
$grandchildren = get_pages('child_of=' . $child_post->ID);
if (count($grandchildren) != 0) {
foreach ($grandchildren as $grandchild) {
$em_rules[$events_slug . urldecode($child_post->post_name) . '/' . urldecode($grandchild->post_name) . '/?$'] = 'index.php?page_id=' . $grandchild->ID;
}
}
}
}
}
}
$em_rules = apply_filters('em_rewrite_rules_array_events', $em_rules, $events_slug);
//make sure there's no page with same name as archives, that should take precedence as it can easily be deleted wp admin side
$em_query = new WP_Query(array('pagename' => EM_POST_TYPE_EVENT_SLUG));
if ($em_query->have_posts()) {
$em_rules[trim(EM_POST_TYPE_EVENT_SLUG, '/') . '/?$'] = 'index.php?pagename=' . trim(EM_POST_TYPE_EVENT_SLUG, '/');
wp_reset_postdata();
}
//make sure there's no page with same name as archives, that should take precedence as it can easily be deleted wp admin side
$em_query = new WP_Query(array('pagename' => EM_POST_TYPE_LOCATION_SLUG));
if ($em_query->have_posts()) {
$em_rules[trim(EM_POST_TYPE_LOCATION_SLUG, '/') . '/?$'] = 'index.php?pagename=' . trim(EM_POST_TYPE_LOCATION_SLUG, '/');
wp_reset_postdata();
}
//If in MS global mode and locations are linked on same site
if (EM_MS_GLOBAL && !get_site_option('dbem_ms_global_locations_links', true)) {
$locations_page_id = get_option('dbem_locations_page');
$locations_page = get_post($locations_page_id);
if (is_object($locations_page)) {
$locations_slug = preg_replace('/\\/$/', '', str_replace(trailingslashit(home_url()), '', get_permalink($locations_page_id)));
$locations_slug_slashed = !empty($locations_slug) ? trailingslashit($locations_slug) : $locations_slug;
$em_rules[$locations_slug . '/' . get_site_option('dbem_ms_locations_slug', EM_LOCATION_SLUG) . '/(.+)$'] = 'index.php?pagename=' . $locations_slug_slashed . '&location_slug=$matches[1]';
//single event booking form with slug
}
}
//add ical CPT endpoints
$em_rules[EM_POST_TYPE_EVENT_SLUG . "/([^/]+)/ical/?\$"] = 'index.php?' . EM_POST_TYPE_EVENT . '=$matches[1]&ical=1';
if (get_option('dbem_locations_enabled')) {
$em_rules[EM_POST_TYPE_LOCATION_SLUG . "/([^/]+)/ical/?\$"] = 'index.php?' . EM_POST_TYPE_LOCATION . '=$matches[1]&ical=1';
}
//add ical taxonomy endpoints
$taxonomies = EM_Object::get_taxonomies();
foreach ($taxonomies as $tax_arg => $taxonomy_info) {
//set the dynamic rule for this taxonomy
$em_rules[$taxonomy_info['slug'] . "/([^/]+)/ical/?\$"] = 'index.php?' . $taxonomy_info['query_var'] . '=$matches[1]&ical=1';
}
//add RSS location CPT endpoint
if (get_option('dbem_locations_enabled')) {
$em_rules[EM_POST_TYPE_LOCATION_SLUG . "/([^/]+)/rss/?\$"] = 'index.php?' . EM_POST_TYPE_LOCATION . '=$matches[1]&rss=1';
}
return $em_rules + $rules;
}
