Current File : /home/t/r/a/tradesc/www/relax/wp-content/plugins/woocommerce/includes/class-wc-brands-coupons.php
<?php
declare( strict_types = 1);
/**
* WC_Brands_Coupons class.
*
* Important: For internal use only by the Automattic\WooCommerce\Internal\Brands package.
*
* @version 9.4.0
*/
class WC_Brands_Coupons {
const E_WC_COUPON_EXCLUDED_BRANDS = 301;
/**
* Constructor
*/
public function __construct() {
// Coupon validation and error handling.
add_filter( 'woocommerce_coupon_is_valid', array( $this, 'is_coupon_valid' ), 10, 3 );
add_filter( 'woocommerce_coupon_is_valid_for_product', array( $this, 'is_valid_for_product' ), 10, 3 );
add_filter( 'woocommerce_coupon_error', array( $this, 'brand_exclusion_error' ), 10, 2 );
}
/**
* Validate the coupon based on included and/or excluded product brands.
*
* If one of the following conditions are met, an exception will be thrown and
* displayed as an error notice on the cart page:
*
* 1) Coupon has a brand requirement but no products in the cart have the brand.
* 2) All products in the cart match the brand exclusion rule.
* 3) For a cart discount, there is at least one product in cart that matches exclusion rule.
*
* @throws Exception Throws Exception for invalid coupons.
* @param bool $valid Whether the coupon is valid.
* @param WC_Coupon $coupon Coupon object.
* @param WC_Discounts $discounts Discounts object.
* @return bool $valid True if coupon is valid, otherwise Exception will be thrown.
*/
public function is_coupon_valid( $valid, $coupon, $discounts = null ) {
$this->set_brand_settings_on_coupon( $coupon );
// Only check if coupon has brand restrictions on it.
$brand_coupon_settings = WC_Brands_Brand_Settings_Manager::get_brand_settings_on_coupon( $coupon );
$brand_restrictions = ! empty( $brand_coupon_settings['included_brands'] ) || ! empty( $brand_coupon_settings['excluded_brands'] );
if ( ! $brand_restrictions ) {
return $valid;
}
$included_brands_match = false;
$excluded_brands_matches = 0;
$items = $discounts->get_items();
foreach ( $items as $item ) {
$product_brands = $this->get_product_brands( $this->get_product_id( $item->product ) );
if ( ! empty( array_intersect( $product_brands, $brand_coupon_settings['included_brands'] ) ) ) {
$included_brands_match = true;
}
if ( ! empty( array_intersect( $product_brands, $brand_coupon_settings['excluded_brands'] ) ) ) {
++$excluded_brands_matches;
}
}
// 1) Coupon has a brand requirement but no products in the cart have the brand.
if ( ! $included_brands_match && ! empty( $brand_coupon_settings['included_brands'] ) ) {
throw new Exception( $coupon->get_coupon_error( WC_Coupon::E_WC_COUPON_NOT_APPLICABLE ), WC_Coupon::E_WC_COUPON_NOT_APPLICABLE ); // phpcs:ignore WordPress.Security.EscapeOutput.ExceptionNotEscaped
}
// 2) All products in the cart match brand exclusion rule.
if ( count( $items ) === $excluded_brands_matches ) {
throw new Exception( __( 'Sorry, this coupon is not applicable to the brands of selected products.', 'woocommerce' ), self::E_WC_COUPON_EXCLUDED_BRANDS ); // phpcs:ignore WordPress.Security.EscapeOutput.ExceptionNotEscaped
}
// 3) For a cart discount, there is at least one product in cart that matches exclusion rule.
if ( $coupon->is_type( 'fixed_cart' ) && $excluded_brands_matches > 0 ) {
throw new Exception( __( 'Sorry, this coupon is not applicable to the brands of selected products.', 'woocommerce' ), self::E_WC_COUPON_EXCLUDED_BRANDS ); // phpcs:ignore WordPress.Security.EscapeOutput.ExceptionNotEscaped
}
return $valid;
}
/**
* Check if a coupon is valid for a product.
*
* This allows percentage and product discounts to apply to only
* the correct products in the cart.
*
* @param bool $valid Whether the product should get the coupon's discounts.
* @param WC_Product $product WC Product Object.
* @param WC_Coupon $coupon Coupon object.
* @return bool $valid
*/
public function is_valid_for_product( $valid, $product, $coupon ) {
if ( ! is_a( $product, 'WC_Product' ) ) {
return $valid;
}
$this->set_brand_settings_on_coupon( $coupon );
$product_id = $this->get_product_id( $product );
$product_brands = $this->get_product_brands( $product_id );
// Check if coupon has a brand requirement and if this product has that brand attached.
$brand_coupon_settings = WC_Brands_Brand_Settings_Manager::get_brand_settings_on_coupon( $coupon );
if ( ! empty( $brand_coupon_settings['included_brands'] ) && empty( array_intersect( $product_brands, $brand_coupon_settings['included_brands'] ) ) ) {
return false;
}
// Check if coupon has a brand exclusion and if this product has that brand attached.
if ( ! empty( $brand_coupon_settings['excluded_brands'] ) && ! empty( array_intersect( $product_brands, $brand_coupon_settings['excluded_brands'] ) ) ) {
return false;
}
return $valid;
}
/**
* Display a custom error message when a cart discount coupon does not validate
* because an excluded brand was found in the cart.
*
* @param string $err The error message.
* @param string $err_code The error code.
* @return string
*/
public function brand_exclusion_error( $err, $err_code ) {
if ( self::E_WC_COUPON_EXCLUDED_BRANDS !== $err_code ) {
return $err;
}
return __( 'Sorry, this coupon is not applicable to the brands of selected products.', 'woocommerce' );
}
/**
* Get a list of brands that are assigned to a specific product
*
* @param int $product_id Product id.
* @return array brands
*/
private function get_product_brands( $product_id ) {
return wp_get_post_terms( $product_id, 'product_brand', array( 'fields' => 'ids' ) );
}
/**
* Set brand settings as properties on coupon object. These properties are
* lists of included product brand IDs and list of excluded brand IDs.
*
* @param WC_Coupon $coupon Coupon object.
*
* @return void
*/
private function set_brand_settings_on_coupon( $coupon ) {
$brand_coupon_settings = WC_Brands_Brand_Settings_Manager::get_brand_settings_on_coupon( $coupon );
if ( ! empty( $brand_coupon_settings['included_brands'] ) && ! empty( $brand_coupon_settings['excluded_brands'] ) ) {
return;
}
$included_brands = get_post_meta( $coupon->get_id(), 'product_brands', true );
if ( empty( $included_brands ) ) {
$included_brands = array();
}
$excluded_brands = get_post_meta( $coupon->get_id(), 'exclude_product_brands', true );
if ( empty( $excluded_brands ) ) {
$excluded_brands = array();
}
// Store these for later to avoid multiple look-ups.
WC_Brands_Brand_Settings_Manager::set_brand_settings_on_coupon( $coupon );
}
/**
* Returns the product (or variant) ID.
*
* @param WC_Product $product WC Product Object.
* @return int Product ID
*/
private function get_product_id( $product ) {
return $product->is_type( 'variation' ) ? $product->get_parent_id() : $product->get_id();
}
}
new WC_Brands_Coupons();
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