/**
* Prepare a single coupon for create or update.
*
* @param WP_REST_Request $request Request object.
* @return WP_Error|stdClass $data Post object.
*/
protected function prepare_item_for_database($request)
{
global $wpdb;
$id = isset($request['id']) ? absint($request['id']) : 0;
$coupon = new WC_Coupon($id);
$schema = $this->get_item_schema();
$data_keys = array_keys(array_filter($schema['properties'], array($this, 'filter_writable_props')));
// BW compat
if ($request['exclude_product_ids']) {
$request['excluded_product_ids'] = $request['exclude_product_ids'];
}
if ($request['expiry_date']) {
$request['date_expires'] = $request['expiry_date'];
}
// Validate required POST fields.
if ('POST' === $request->get_method() && 0 === $coupon->get_id()) {
if (empty($request['code'])) {
return new WP_Error('woocommerce_rest_empty_coupon_code', sprintf(__('The coupon code cannot be empty.', 'woocommerce'), 'code'), array('status' => 400));
}
}
// Handle all writable props
foreach ($data_keys as $key) {
$value = $request[$key];
if (!is_null($value)) {
switch ($key) {
case 'code':
$coupon_code = apply_filters('woocommerce_coupon_code', $value);
$id = $coupon->get_id() ? $coupon->get_id() : 0;
$id_from_code = wc_get_coupon_id_by_code($coupon_code, $id);
if ($id_from_code) {
return new WP_Error('woocommerce_rest_coupon_code_already_exists', __('The coupon code already exists', 'woocommerce'), array('status' => 400));
}
$coupon->set_code($coupon_code);
break;
case 'meta_data':
if (is_array($value)) {
foreach ($value as $meta) {
$coupon->update_meta_data($meta['key'], $meta['value'], $meta['id']);
}
}
break;
case 'description':
$coupon->set_description(wp_filter_post_kses($value));
break;
default:
if (is_callable(array($coupon, "set_{$key}"))) {
$coupon->{"set_{$key}"}($value);
}
break;
}
}
}
/**
* Filter the query_vars used in `get_items` for the constructed query.
*
* The dynamic portion of the hook name, $this->post_type, refers to post_type of the post being
* prepared for insertion.
*
* @param WC_Coupon $coupon The coupon object.
* @param WP_REST_Request $request Request object.
*/
return apply_filters("woocommerce_rest_pre_insert_{$this->post_type}", $coupon, $request);
}
