/**
  * Attaches the "Active Alerts" menu to WordPress's admin toolbar.
  *
  * @global $wp_admin_bar
  *
  * @return void
  */
 public static function addAlertsMenu()
 {
     global $wp_admin_bar;
     $alerts = array('my_alerts' => array(), 'my_responses' => array(), 'my_scheduled_alerts' => array());
     foreach (self::getActiveAlerts() as $post) {
         $alert = new WP_Buoy_Alert($post->ID);
         if (get_current_user_id() == $post->post_author) {
             $alerts['my_alerts'][] = $post;
         } else {
             if (in_array(get_current_user_id(), $alert->get_responders())) {
                 $alerts['my_responses'][] = $post;
             }
         }
     }
     foreach (self::getScheduledAlerts(get_current_user_id()) as $post) {
         if (get_current_user_id() == $post->post_author) {
             $alerts['my_scheduled_alerts'][] = $post;
         }
     }
     if (!empty($alerts['my_alerts']) || !empty($alerts['my_responses']) || !empty($alerts['my_scheduled_alerts'])) {
         $wp_admin_bar->add_menu(array('id' => self::$prefix . '-alerts-menu', 'title' => __('Active alerts', 'buoy')));
     }
     // TODO: Each of these nodes have similar HTML, reuse some code between these?
     // Add group nodes to WP Toolbar
     foreach ($alerts as $group_name => $posts) {
         $wp_admin_bar->add_group(array('id' => self::$prefix . '_' . $group_name, 'parent' => self::$prefix . '-alerts-menu'));
     }
     $dtfmt = get_option('date_format') . ' ' . get_option('time_format');
     foreach ($alerts['my_alerts'] as $post) {
         $alert = new WP_Buoy_Alert($post->ID);
         $author = get_userdata($post->post_author);
         $url = wp_nonce_url(admin_url('?page=' . self::$prefix . '_chat&' . self::$prefix . '_hash=' . $alert->get_hash()), self::$prefix . '_chat', self::$prefix . '_nonce');
         $wp_admin_bar->add_node(array('id' => self::$prefix . '-alert-' . $alert->get_hash(), 'title' => sprintf(__('My alert on %2$s', 'buoy'), $author->display_name, date($dtfmt, strtotime($post->post_date))), 'parent' => self::$prefix . '_my_alerts', 'href' => $url));
     }
     foreach ($alerts['my_responses'] as $post) {
         $alert = new WP_Buoy_Alert($post->ID);
         $author = get_userdata($post->post_author);
         $url = wp_nonce_url(admin_url('?page=' . self::$prefix . '_chat&' . self::$prefix . '_hash=' . $alert->get_hash()), self::$prefix . '_chat', self::$prefix . '_nonce');
         $wp_admin_bar->add_node(array('id' => self::$prefix . '-alert-' . $alert->get_hash(), 'title' => sprintf(__('Alert issued by %1$s on %2$s', 'buoy'), $author->display_name, date($dtfmt, strtotime($post->post_date))), 'parent' => self::$prefix . '_my_responses', 'href' => $url));
     }
     foreach ($alerts['my_scheduled_alerts'] as $post) {
         $alert = new WP_Buoy_Alert($post->ID);
         $url = wp_nonce_url(admin_url('admin-ajax.php?action=' . self::$prefix . '_unschedule_alert&' . self::$prefix . '_hash=' . $alert->get_hash() . '&r=' . esc_url($_SERVER['REQUEST_URI'])), self::$prefix . '_unschedule_alert', self::$prefix . '_nonce');
         $wp_admin_bar->add_node(array('id' => self::$prefix . '-alert-' . $alert->get_hash(), 'title' => sprintf(__('Cancel scheduled alert for %1$s', 'buoy'), date($dtfmt, strtotime($post->post_date))), 'meta' => array('title' => __('Cancel this alert', 'buoy')), 'parent' => self::$prefix . '_my_scheduled_alerts', 'href' => $url));
     }
 }