public static function enforce_non_guest_orders($post_id, $post)
 {
     // must be shop order
     if ($post->post_type != 'shop_order') {
         return;
     }
     // if guest checkout is active, this does not apply
     if (get_option('woocommerce_enable_guest_checkout', 'no') == 'yes') {
         return;
     }
     // restrict for everyone except those who can manage woocommerce settings (ie: administrators)
     if (current_user_can('manage_woocommerce')) {
         return;
     }
     // if the guest checkout is disabled and the admin is attempting to use a guest user, then flag the order, which is later used to limit payment and pop an error
     if (isset($_POST['customer_user'])) {
         $current = get_post_meta($post_id, '_customer_user', true);
         if (empty($current)) {
             update_post_meta($post_id, '_use_guest_attempted', 1);
             self::_remove_recursive_filters();
             self::_disable_emails();
             do_action('qsot-before-guest-check-update-order-status', $post);
             if (QSOT::is_wc_latest()) {
                 $order = wc_get_order($post_id);
                 $ostatus = $order->get_status();
             } else {
                 $order = new WC_Order($post_id);
                 $stati = wp_get_object_terms(array($post_id), array('shop_order_status'), 'slugs');
                 $ostatus = substr($ostatus = current($stati), 0, 3) == 'wc-' ? substr($ostatus, 3) : $ostatus;
             }
             if ($ostatus != 'pending') {
                 $order->update_status('pending', __('You cannot use "Guest" as the owner of the order, due to current Woocommerce settings.', 'opentickets-community-edition'));
             } else {
                 $order->add_order_note(__('You cannot use "Guest" as the owner of the order, due to current Woocommerce settings.', 'opentickets-community-edition'));
             }
             self::_enable_emails();
         } else {
             update_post_meta($post_id, '_use_guest_attempted', 0);
         }
     }
 }
 public static function aaj_ts_update_order_items($resp, $data)
 {
     $resp['s'] = false;
     $resp['e'] = array();
     $oid = $data['order_id'];
     if ($oid > 0) {
         $order = new WC_Order($oid);
         $resp['i'] = array();
         $resp['s'] = true;
         foreach ($order->get_items(array('line_item', 'fee')) as $item_id => $item) {
             $out = '';
             ob_start();
             $class = apply_filters('woocommerce_admin_order_items_class', 'new_row', $item, $order);
             switch ($item['type']) {
                 case 'line_item':
                     $_product = $order->get_product_from_item($item);
                     $template = QSOT::is_wc_latest() ? 'meta-boxes/views/html-order-item.php' : 'post-types/meta-boxes/views/html-order-item.php';
                     include apply_filters('qsot-woo-template', $template, 'admin');
                     break;
                 case 'fee':
                     $template = QSOT::is_wc_latest() ? 'meta-boxes/views/html-order-fee.php' : 'post-types/meta-boxes/views/html-order-fee.php';
                     include apply_filters('qsot-woo-template', $template, 'admin');
                     break;
                 case 'shipping':
                     $template = QSOT::is_wc_latest() ? 'meta-boxes/views/html-order-shipping.php' : 'post-types/meta-boxes/views/html-order-shipping.php';
                     include apply_filters('qsot-woo-template', $template, 'admin');
                     break;
             }
             do_action('woocommerce_order_item_' . $item['type'] . '_html');
             $out = trim(ob_get_contents());
             ob_end_clean();
             $resp['i'][] = $out;
         }
     } else {
         $resp['e'][] = __('Invalid order number.', 'opentickets-community-edition');
     }
     return $resp;
 }
 protected static function _order_item_order_status($item_id)
 {
     global $wpdb;
     $q = $wpdb->prepare('select order_id from ' . $wpdb->prefix . 'woocommerce_order_items where order_item_id = %d', $item_id);
     $order_id = (int) $wpdb->get_var($q);
     if ($order_id <= 0) {
         return 'does-not-exist';
     }
     if (QSOT::is_wc_latest()) {
         $status = preg_replace('#^wc-#', '', get_post_status($order_id));
     } else {
         $status = wp_get_object_terms(array($order_id), array('shop_order_status'), 'slugs');
         $status = is_array($status) ? in_array('completed', $status) ? 'completed' : current($status) : 'does-no-exist';
     }
     return $status;
 }
<?php

if (QSOT::is_wc_latest()) {
    _deprecated_file(__FILE__, 'OTv1.5', dirname(dirname(dirname(dirname(__FILE__)))) . '/meta-boxes/views/html-order-item.php', __('OpenTickets WC template override has moved location.', 'opentickets-community-edition'));
}
include dirname(dirname(dirname(dirname(__FILE__)))) . '/meta-boxes/views/html-order-item.php';