Returns the error_message string.
| public get_error_message ( ) : string | ||
| return | string | |
/**
* Applies a coupon code passed to the method.
*
* @param string $coupon_code - The code to apply
* @return bool True if the coupon is applied, false if it does not exist or cannot be applied
*/
public function add_discount($coupon_code)
{
// Coupons are globally disabled
if (!wc_coupons_enabled()) {
return false;
}
// Sanitize coupon code
$coupon_code = apply_filters('woocommerce_coupon_code', $coupon_code);
// Get the coupon
$the_coupon = new WC_Coupon($coupon_code);
// Check it can be used with cart
if (!$the_coupon->is_valid()) {
wc_add_notice($the_coupon->get_error_message(), 'error');
return false;
}
// Check if applied
if ($this->has_discount($coupon_code)) {
$the_coupon->add_coupon_message(WC_Coupon::E_WC_COUPON_ALREADY_APPLIED);
return false;
}
// If its individual use then remove other coupons
if ($the_coupon->get_individual_use()) {
$this->applied_coupons = apply_filters('woocommerce_apply_individual_use_coupon', array(), $the_coupon, $this->applied_coupons);
}
if ($this->applied_coupons) {
foreach ($this->applied_coupons as $code) {
$coupon = new WC_Coupon($code);
if ($coupon->get_individual_use() && false === apply_filters('woocommerce_apply_with_individual_use_coupon', false, $the_coupon, $coupon, $this->applied_coupons)) {
// Reject new coupon
$coupon->add_coupon_message(WC_Coupon::E_WC_COUPON_ALREADY_APPLIED_INDIV_USE_ONLY);
return false;
}
}
}
$this->applied_coupons[] = $coupon_code;
// Choose free shipping
if ($the_coupon->get_free_shipping()) {
$packages = WC()->shipping->get_packages();
$chosen_shipping_methods = WC()->session->get('chosen_shipping_methods');
foreach ($packages as $i => $package) {
$chosen_shipping_methods[$i] = 'free_shipping';
}
WC()->session->set('chosen_shipping_methods', $chosen_shipping_methods);
}
$the_coupon->add_coupon_message(WC_Coupon::WC_COUPON_SUCCESS);
do_action('woocommerce_applied_coupon', $coupon_code);
return true;
}
/**
* Applies a coupon code passed to the method.
*
* @param string $coupon_code - The code to apply
* @return bool True if the coupon is applied, false if it does not exist or cannot be applied
*/
public function add_discount($coupon_code)
{
global $woocommerce;
// Coupons are globally disabled
if (!$woocommerce->cart->coupons_enabled()) {
return false;
}
// Sanitize coupon code
$coupon_code = apply_filters('woocommerce_coupon_code', $coupon_code);
// Get the coupon
$the_coupon = new WC_Coupon($coupon_code);
if ($the_coupon->id) {
// Check it can be used with cart
if (!$the_coupon->is_valid()) {
$woocommerce->add_error($the_coupon->get_error_message());
return false;
}
// Check if applied
if ($woocommerce->cart->has_discount($coupon_code)) {
$the_coupon->add_coupon_message(WC_Coupon::E_WC_COUPON_ALREADY_APPLIED);
return false;
}
// If its individual use then remove other coupons
if ($the_coupon->individual_use == 'yes') {
$this->applied_coupons = apply_filters('woocommerce_apply_individual_use_coupon', array(), $the_coupon, $this->applied_coupons);
}
if ($this->applied_coupons) {
foreach ($this->applied_coupons as $code) {
$existing_coupon = new WC_Coupon($code);
if ($existing_coupon->individual_use == 'yes' && false === apply_filters('woocommerce_apply_with_individual_use_coupon', false, $the_coupon, $existing_coupon, $this->applied_coupons)) {
// Reject new coupon
$existing_coupon->add_coupon_message(WC_Coupon::E_WC_COUPON_ALREADY_APPLIED_INDIV_USE_ONLY);
return false;
}
}
}
$this->applied_coupons[] = $coupon_code;
// Choose free shipping
if ($the_coupon->enable_free_shipping()) {
$woocommerce->session->chosen_shipping_method = 'free_shipping';
}
$this->calculate_totals();
$the_coupon->add_coupon_message(WC_Coupon::WC_COUPON_SUCCESS);
do_action('woocommerce_applied_coupon', $coupon_code);
return true;
} else {
$the_coupon->add_coupon_message(WC_Coupon::E_WC_COUPON_NOT_EXIST);
return false;
}
return false;
}
