public function is_coupon_valid( $coupon ) {
		try {
			$this->validate_coupon_exists( $coupon );
			$this->validate_coupon_usage_limit( $coupon );
			$this->validate_coupon_user_usage_limit( $coupon );
			$this->validate_coupon_expiry_date( $coupon );
			$this->validate_coupon_minimum_amount( $coupon );
			$this->validate_coupon_maximum_amount( $coupon );
			$this->validate_coupon_product_ids( $coupon );
			$this->validate_coupon_product_categories( $coupon );
			$this->validate_coupon_excluded_items( $coupon );
			$this->validate_coupon_eligible_items( $coupon );

			if ( ! apply_filters( 'woocommerce_coupon_is_valid', true, $coupon, $this ) ) {
				throw new Exception( __( 'Coupon is not valid.', 'woocommerce' ), 100 );
			}
		} catch ( Exception $e ) {
			/**
			 * Filter the coupon error message.
			 *
			 * @param string    $error_message Error message.
			 * @param int       $error_code    Error code.
			 * @param WC_Coupon $coupon        Coupon data.
			 */
			$message = apply_filters( 'woocommerce_coupon_error', is_numeric( $e->getMessage() ) ? $coupon->get_coupon_error( $e->getMessage() ) : $e->getMessage(), $e->getCode(), $coupon );

			return new WP_Error(
				'invalid_coupon',
				$message,
				array(
					'status' => 400,
				)
			);
		}
		return true;
	}