1227 lines
37 KiB
PHP
1227 lines
37 KiB
PHP
<?php
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include_once( 'legacy/class-wc-legacy-coupon.php' );
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* WooCommerce coupons.
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*
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* The WooCommerce coupons class gets coupon data from storage and checks coupon validity.
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*
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* @class WC_Coupon
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* @version 3.0.0
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* @package WooCommerce/Classes
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* @category Class
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* @author WooThemes
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*/
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class WC_Coupon extends WC_Legacy_Coupon {
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/**
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* Data array, with defaults.
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* @since 3.0.0
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* @var array
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*/
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protected $data = array(
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'code' => '',
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'amount' => 0,
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'date_created' => null,
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'date_modified' => null,
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'date_expires' => null,
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'discount_type' => 'fixed_cart',
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'description' => '',
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'usage_count' => 0,
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'individual_use' => false,
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'product_ids' => array(),
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'excluded_product_ids' => array(),
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'usage_limit' => 0,
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'usage_limit_per_user' => 0,
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'limit_usage_to_x_items' => null,
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'free_shipping' => false,
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'product_categories' => array(),
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'excluded_product_categories' => array(),
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'exclude_sale_items' => false,
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'minimum_amount' => '',
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'maximum_amount' => '',
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'email_restrictions' => array(),
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'used_by' => array(),
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);
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// Coupon message codes
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const E_WC_COUPON_INVALID_FILTERED = 100;
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const E_WC_COUPON_INVALID_REMOVED = 101;
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const E_WC_COUPON_NOT_YOURS_REMOVED = 102;
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const E_WC_COUPON_ALREADY_APPLIED = 103;
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const E_WC_COUPON_ALREADY_APPLIED_INDIV_USE_ONLY = 104;
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const E_WC_COUPON_NOT_EXIST = 105;
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const E_WC_COUPON_USAGE_LIMIT_REACHED = 106;
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const E_WC_COUPON_EXPIRED = 107;
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const E_WC_COUPON_MIN_SPEND_LIMIT_NOT_MET = 108;
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const E_WC_COUPON_NOT_APPLICABLE = 109;
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const E_WC_COUPON_NOT_VALID_SALE_ITEMS = 110;
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const E_WC_COUPON_PLEASE_ENTER = 111;
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const E_WC_COUPON_MAX_SPEND_LIMIT_MET = 112;
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const E_WC_COUPON_EXCLUDED_PRODUCTS = 113;
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const E_WC_COUPON_EXCLUDED_CATEGORIES = 114;
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const WC_COUPON_SUCCESS = 200;
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const WC_COUPON_REMOVED = 201;
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/**
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* Cache group.
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* @var string
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*/
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protected $cache_group = 'coupons';
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/**
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* Coupon constructor. Loads coupon data.
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* @param mixed $data Coupon data, object, ID or code.
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*/
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public function __construct( $data = '' ) {
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parent::__construct( $data );
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if ( $data instanceof WC_Coupon ) {
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$this->set_id( absint( $data->get_id() ) );
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} elseif ( $coupon = apply_filters( 'woocommerce_get_shop_coupon_data', false, $data ) ) {
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$this->read_manual_coupon( $data, $coupon );
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return;
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} elseif ( is_numeric( $data ) && 'shop_coupon' === get_post_type( $data ) ) {
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$this->set_id( $data );
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} elseif ( ! empty( $data ) ) {
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$this->set_id( wc_get_coupon_id_by_code( $data ) );
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$this->set_code( $data );
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} else {
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$this->set_object_read( true );
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}
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$this->data_store = WC_Data_Store::load( 'coupon' );
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if ( $this->get_id() > 0 ) {
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$this->data_store->read( $this );
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}
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}
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/**
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* Checks the coupon type.
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* @param string $type Array or string of types
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* @return bool
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*/
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public function is_type( $type ) {
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return ( $this->get_discount_type() === $type || ( is_array( $type ) && in_array( $this->get_discount_type(), $type ) ) );
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}
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/**
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* Prefix for action and filter hooks on data.
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*
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* @since 3.0.0
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* @return string
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*/
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protected function get_hook_prefix() {
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return 'woocommerce_coupon_get_';
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}
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/*
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|--------------------------------------------------------------------------
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| Getters
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|--------------------------------------------------------------------------
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| Methods for getting data from the coupon object.
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*/
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/**
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* Get coupon code.
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* @since 3.0.0
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* @param string $context
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* @return string
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*/
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public function get_code( $context = 'view' ) {
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return $this->get_prop( 'code', $context );
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}
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/**
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* Get coupon description.
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* @since 3.0.0
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* @param string $context
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* @return string
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*/
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public function get_description( $context = 'view' ) {
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return $this->get_prop( 'description', $context );
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}
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/**
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* Get discount type.
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* @since 3.0.0
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* @param string $context
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* @return string
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*/
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public function get_discount_type( $context = 'view' ) {
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return $this->get_prop( 'discount_type', $context );
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}
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/**
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* Get coupon amount.
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* @since 3.0.0
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* @param string $context
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* @return float
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*/
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public function get_amount( $context = 'view' ) {
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return $this->get_prop( 'amount', $context );
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}
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/**
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* Get coupon expiration date.
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* @since 3.0.0
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* @param string $context
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* @return WC_DateTime|NULL object if the date is set or null if there is no date.
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*/
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public function get_date_expires( $context = 'view' ) {
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return $this->get_prop( 'date_expires', $context );
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}
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/**
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* Get date_created
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* @since 3.0.0
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* @param string $context
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* @return WC_DateTime|NULL object if the date is set or null if there is no date.
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*/
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public function get_date_created( $context = 'view' ) {
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return $this->get_prop( 'date_created', $context );
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}
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/**
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* Get date_modified
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* @since 3.0.0
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* @param string $context
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* @return WC_DateTime|NULL object if the date is set or null if there is no date.
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*/
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public function get_date_modified( $context = 'view' ) {
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return $this->get_prop( 'date_modified', $context );
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}
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/**
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* Get coupon usage count.
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* @since 3.0.0
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* @param string $context
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* @return integer
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*/
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public function get_usage_count( $context = 'view' ) {
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return $this->get_prop( 'usage_count', $context );
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}
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/**
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* Get the "indvidual use" checkbox status.
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* @since 3.0.0
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* @param string $context
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* @return bool
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*/
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public function get_individual_use( $context = 'view' ) {
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return $this->get_prop( 'individual_use', $context );
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}
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/**
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* Get product IDs this coupon can apply to.
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* @since 3.0.0
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* @param string $context
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* @return array
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*/
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public function get_product_ids( $context = 'view' ) {
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return $this->get_prop( 'product_ids', $context );
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}
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/**
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* Get product IDs that this coupon should not apply to.
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* @since 3.0.0
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* @param string $context
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* @return array
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*/
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public function get_excluded_product_ids( $context = 'view' ) {
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return $this->get_prop( 'excluded_product_ids', $context );
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}
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/**
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* Get coupon usage limit.
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* @since 3.0.0
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* @param string $context
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* @return integer
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*/
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public function get_usage_limit( $context = 'view' ) {
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return $this->get_prop( 'usage_limit', $context );
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}
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/**
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* Get coupon usage limit per customer (for a single customer)
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* @since 3.0.0
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* @param string $context
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* @return integer
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*/
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public function get_usage_limit_per_user( $context = 'view' ) {
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return $this->get_prop( 'usage_limit_per_user', $context );
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}
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/**
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* Usage limited to certain amount of items
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* @since 3.0.0
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* @param string $context
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* @return integer|null
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*/
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public function get_limit_usage_to_x_items( $context = 'view' ) {
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return $this->get_prop( 'limit_usage_to_x_items', $context );
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}
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/**
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* If this coupon grants free shipping or not.
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* @since 3.0.0
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* @param string $context
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* @return bool
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*/
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public function get_free_shipping( $context = 'view' ) {
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return $this->get_prop( 'free_shipping', $context );
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}
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/**
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* Get product categories this coupon can apply to.
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* @since 3.0.0
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* @param string $context
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* @return array
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*/
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public function get_product_categories( $context = 'view' ) {
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return $this->get_prop( 'product_categories', $context );
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}
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/**
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* Get product categories this coupon cannot not apply to.
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* @since 3.0.0
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* @param string $context
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* @return array
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*/
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public function get_excluded_product_categories( $context = 'view' ) {
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return $this->get_prop( 'excluded_product_categories', $context );
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}
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/**
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* If this coupon should exclude items on sale.
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* @since 3.0.0
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* @param string $context
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* @return bool
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*/
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public function get_exclude_sale_items( $context = 'view' ) {
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return $this->get_prop( 'exclude_sale_items', $context );
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}
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/**
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* Get minium spend amount.
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* @since 3.0.0
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* @param string $context
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* @return float
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*/
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public function get_minimum_amount( $context = 'view' ) {
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return $this->get_prop( 'minimum_amount', $context );
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}
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/**
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* Get maximum spend amount.
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* @since 3.0.0
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* @param string $context
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* @return float
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*/
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public function get_maximum_amount( $context = 'view' ) {
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return $this->get_prop( 'maximum_amount', $context );
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}
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/**
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* Get emails to check customer usage restrictions.
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* @since 3.0.0
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* @param string $context
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* @return array
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*/
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public function get_email_restrictions( $context = 'view' ) {
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return $this->get_prop( 'email_restrictions', $context );
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}
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/**
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* Get records of all users who have used the current coupon.
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* @since 3.0.0
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* @param string $context
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* @return array
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*/
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public function get_used_by( $context = 'view' ) {
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return $this->get_prop( 'used_by', $context );
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}
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/**
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* Get discount amount for a cart item.
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*
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* @param float $discounting_amount Amount the coupon is being applied to
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* @param array|null $cart_item Cart item being discounted if applicable
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* @param boolean $single True if discounting a single qty item, false if its the line
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* @return float Amount this coupon has discounted
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*/
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public function get_discount_amount( $discounting_amount, $cart_item = null, $single = false ) {
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$discount = 0;
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$cart_item_qty = is_null( $cart_item ) ? 1 : $cart_item['quantity'];
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if ( $this->is_type( array( 'percent' ) ) ) {
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$discount = (float) $this->get_amount() * ( $discounting_amount / 100 );
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} elseif ( $this->is_type( 'fixed_cart' ) && ! is_null( $cart_item ) && WC()->cart->subtotal_ex_tax ) {
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/**
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* This is the most complex discount - we need to divide the discount between rows based on their price in.
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* proportion to the subtotal. This is so rows with different tax rates get a fair discount, and so rows.
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* with no price (free) don't get discounted.
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*
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* Get item discount by dividing item cost by subtotal to get a %.
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*
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* Uses price inc tax if prices include tax to work around https://github.com/woocommerce/woocommerce/issues/7669 and https://github.com/woocommerce/woocommerce/issues/8074.
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*/
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if ( wc_prices_include_tax() ) {
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$discount_percent = ( wc_get_price_including_tax( $cart_item['data'] ) * $cart_item_qty ) / WC()->cart->subtotal;
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} else {
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$discount_percent = ( wc_get_price_excluding_tax( $cart_item['data'] ) * $cart_item_qty ) / WC()->cart->subtotal_ex_tax;
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}
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$discount = ( (float) $this->get_amount() * $discount_percent ) / $cart_item_qty;
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} elseif ( $this->is_type( 'fixed_product' ) ) {
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$discount = min( $this->get_amount(), $discounting_amount );
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$discount = $single ? $discount : $discount * $cart_item_qty;
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}
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$discount = (float) min( $discount, $discounting_amount );
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// Handle the limit_usage_to_x_items option
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if ( ! $this->is_type( array( 'fixed_cart' ) ) ) {
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if ( $discounting_amount ) {
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if ( null === $this->get_limit_usage_to_x_items() ) {
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$limit_usage_qty = $cart_item_qty;
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} else {
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$limit_usage_qty = min( $this->get_limit_usage_to_x_items(), $cart_item_qty );
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$this->set_limit_usage_to_x_items( max( 0, ( $this->get_limit_usage_to_x_items() - $limit_usage_qty ) ) );
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}
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if ( $single ) {
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$discount = ( $discount * $limit_usage_qty ) / $cart_item_qty;
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} else {
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$discount = ( $discount / $cart_item_qty ) * $limit_usage_qty;
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}
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}
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}
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$discount = round( $discount, wc_get_rounding_precision() );
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return apply_filters( 'woocommerce_coupon_get_discount_amount', $discount, $discounting_amount, $cart_item, $single, $this );
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}
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/*
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|--------------------------------------------------------------------------
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| Setters
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|--------------------------------------------------------------------------
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|
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| Functions for setting coupon data. These should not update anything in the
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| database itself and should only change what is stored in the class
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| object.
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*/
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/**
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* Set coupon code.
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* @since 3.0.0
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* @param string $code
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* @throws WC_Data_Exception
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*/
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public function set_code( $code ) {
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$this->set_prop( 'code', wc_format_coupon_code( $code ) );
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}
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/**
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* Set coupon description.
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* @since 3.0.0
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* @param string $description
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* @throws WC_Data_Exception
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*/
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public function set_description( $description ) {
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$this->set_prop( 'description', $description );
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}
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/**
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* Set discount type.
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* @since 3.0.0
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* @param string $discount_type
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* @throws WC_Data_Exception
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*/
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public function set_discount_type( $discount_type ) {
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if ( 'percent_product' === $discount_type ) {
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$discount_type = 'percent'; // Backwards compatibility.
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}
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if ( ! in_array( $discount_type, array_keys( wc_get_coupon_types() ) ) ) {
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$this->error( 'coupon_invalid_discount_type', __( 'Invalid discount type', 'woocommerce' ) );
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}
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$this->set_prop( 'discount_type', $discount_type );
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}
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/**
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* Set amount.
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* @since 3.0.0
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* @param float $amount
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* @throws WC_Data_Exception
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*/
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public function set_amount( $amount ) {
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$this->set_prop( 'amount', wc_format_decimal( $amount ) );
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}
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/**
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* Set expiration date.
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* @since 3.0.0
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* @param string|integer|null $date UTC timestamp, or ISO 8601 DateTime. If the DateTime string has no timezone or offset, WordPress site timezone will be assumed. Null if there is no date.
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* @throws WC_Data_Exception
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*/
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public function set_date_expires( $date ) {
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$this->set_date_prop( 'date_expires', $date );
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}
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/**
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* Set date_created
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* @since 3.0.0
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* @param string|integer|null $date UTC timestamp, or ISO 8601 DateTime. If the DateTime string has no timezone or offset, WordPress site timezone will be assumed. Null if there is no date.
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* @throws WC_Data_Exception
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*/
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public function set_date_created( $date ) {
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$this->set_date_prop( 'date_created', $date );
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}
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/**
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* Set date_modified
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* @since 3.0.0
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* @param string|integer|null $date UTC timestamp, or ISO 8601 DateTime. If the DateTime string has no timezone or offset, WordPress site timezone will be assumed. Null if there is no date.
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* @throws WC_Data_Exception
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*/
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public function set_date_modified( $date ) {
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$this->set_date_prop( 'date_modified', $date );
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}
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/**
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* Set how many times this coupon has been used.
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* @since 3.0.0
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* @param int $usage_count
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* @throws WC_Data_Exception
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*/
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public function set_usage_count( $usage_count ) {
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$this->set_prop( 'usage_count', absint( $usage_count ) );
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}
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/**
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* Set if this coupon can only be used once.
|
|
* @since 3.0.0
|
|
* @param bool $is_individual_use
|
|
* @throws WC_Data_Exception
|
|
*/
|
|
public function set_individual_use( $is_individual_use ) {
|
|
$this->set_prop( 'individual_use', (bool) $is_individual_use );
|
|
}
|
|
|
|
/**
|
|
* Set the product IDs this coupon can be used with.
|
|
* @since 3.0.0
|
|
* @param array $product_ids
|
|
* @throws WC_Data_Exception
|
|
*/
|
|
public function set_product_ids( $product_ids ) {
|
|
$this->set_prop( 'product_ids', array_filter( wp_parse_id_list( (array) $product_ids ) ) );
|
|
}
|
|
|
|
/**
|
|
* Set the product IDs this coupon cannot be used with.
|
|
* @since 3.0.0
|
|
* @param array $excluded_product_ids
|
|
* @throws WC_Data_Exception
|
|
*/
|
|
public function set_excluded_product_ids( $excluded_product_ids ) {
|
|
$this->set_prop( 'excluded_product_ids', array_filter( wp_parse_id_list( (array) $excluded_product_ids ) ) );
|
|
}
|
|
|
|
/**
|
|
* Set the amount of times this coupon can be used.
|
|
* @since 3.0.0
|
|
* @param int $usage_limit
|
|
* @throws WC_Data_Exception
|
|
*/
|
|
public function set_usage_limit( $usage_limit ) {
|
|
$this->set_prop( 'usage_limit', absint( $usage_limit ) );
|
|
}
|
|
|
|
/**
|
|
* Set the amount of times this coupon can be used per user.
|
|
* @since 3.0.0
|
|
* @param int $usage_limit
|
|
* @throws WC_Data_Exception
|
|
*/
|
|
public function set_usage_limit_per_user( $usage_limit ) {
|
|
$this->set_prop( 'usage_limit_per_user', absint( $usage_limit ) );
|
|
}
|
|
|
|
/**
|
|
* Set usage limit to x number of items.
|
|
* @since 3.0.0
|
|
* @param int|null $limit_usage_to_x_items
|
|
* @throws WC_Data_Exception
|
|
*/
|
|
public function set_limit_usage_to_x_items( $limit_usage_to_x_items ) {
|
|
$this->set_prop( 'limit_usage_to_x_items', is_null( $limit_usage_to_x_items ) ? null : absint( $limit_usage_to_x_items ) );
|
|
}
|
|
|
|
/**
|
|
* Set if this coupon enables free shipping or not.
|
|
* @since 3.0.0
|
|
* @param bool $free_shipping
|
|
* @throws WC_Data_Exception
|
|
*/
|
|
public function set_free_shipping( $free_shipping ) {
|
|
$this->set_prop( 'free_shipping', (bool) $free_shipping );
|
|
}
|
|
|
|
/**
|
|
* Set the product category IDs this coupon can be used with.
|
|
* @since 3.0.0
|
|
* @param array $product_categories
|
|
* @throws WC_Data_Exception
|
|
*/
|
|
public function set_product_categories( $product_categories ) {
|
|
$this->set_prop( 'product_categories', array_filter( wp_parse_id_list( (array) $product_categories ) ) );
|
|
}
|
|
|
|
/**
|
|
* Set the product category IDs this coupon cannot be used with.
|
|
* @since 3.0.0
|
|
* @param array $excluded_product_categories
|
|
* @throws WC_Data_Exception
|
|
*/
|
|
public function set_excluded_product_categories( $excluded_product_categories ) {
|
|
$this->set_prop( 'excluded_product_categories', array_filter( wp_parse_id_list( (array) $excluded_product_categories ) ) );
|
|
}
|
|
|
|
/**
|
|
* Set if this coupon should excluded sale items or not.
|
|
* @since 3.0.0
|
|
* @param bool $exclude_sale_items
|
|
* @throws WC_Data_Exception
|
|
*/
|
|
public function set_exclude_sale_items( $exclude_sale_items ) {
|
|
$this->set_prop( 'exclude_sale_items', (bool) $exclude_sale_items );
|
|
}
|
|
|
|
/**
|
|
* Set the minimum spend amount.
|
|
* @since 3.0.0
|
|
* @param float $amount
|
|
* @throws WC_Data_Exception
|
|
*/
|
|
public function set_minimum_amount( $amount ) {
|
|
$this->set_prop( 'minimum_amount', wc_format_decimal( $amount ) );
|
|
}
|
|
|
|
/**
|
|
* Set the maximum spend amount.
|
|
* @since 3.0.0
|
|
* @param float $amount
|
|
* @throws WC_Data_Exception
|
|
*/
|
|
public function set_maximum_amount( $amount ) {
|
|
$this->set_prop( 'maximum_amount', wc_format_decimal( $amount ) );
|
|
}
|
|
|
|
/**
|
|
* Set email restrictions.
|
|
* @since 3.0.0
|
|
* @param array $emails
|
|
* @throws WC_Data_Exception
|
|
*/
|
|
public function set_email_restrictions( $emails = array() ) {
|
|
$emails = array_filter( array_map( 'sanitize_email', (array) $emails ) );
|
|
foreach ( $emails as $email ) {
|
|
if ( ! is_email( $email ) ) {
|
|
$this->error( 'coupon_invalid_email_address', __( 'Invalid email address restriction', 'woocommerce' ) );
|
|
}
|
|
}
|
|
$this->set_prop( 'email_restrictions', $emails );
|
|
}
|
|
|
|
/**
|
|
* Set which users have used this coupon.
|
|
* @since 3.0.0
|
|
* @param array $used_by
|
|
* @throws WC_Data_Exception
|
|
*/
|
|
public function set_used_by( $used_by ) {
|
|
$this->set_prop( 'used_by', array_filter( $used_by ) );
|
|
}
|
|
|
|
/*
|
|
|--------------------------------------------------------------------------
|
|
| Other Actions
|
|
|--------------------------------------------------------------------------
|
|
*/
|
|
|
|
/**
|
|
* Developers can programically return coupons. This function will read those values into our WC_Coupon class.
|
|
* @since 3.0.0
|
|
* @param string $code Coupon code
|
|
* @param array $coupon Array of coupon properties
|
|
*/
|
|
public function read_manual_coupon( $code, $coupon ) {
|
|
foreach ( $coupon as $key => $value ) {
|
|
switch ( $key ) {
|
|
case 'excluded_product_ids' :
|
|
case 'exclude_product_ids' :
|
|
if ( ! is_array( $coupon[ $key ] ) ) {
|
|
wc_doing_it_wrong( $key, $key . ' should be an array instead of a string.', '3.0' );
|
|
$coupon['excluded_product_ids'] = wc_string_to_array( $value );
|
|
}
|
|
break;
|
|
case 'exclude_product_categories' :
|
|
case 'excluded_product_categories' :
|
|
if ( ! is_array( $coupon[ $key ] ) ) {
|
|
wc_doing_it_wrong( $key, $key . ' should be an array instead of a string.', '3.0' );
|
|
$coupon['excluded_product_categories'] = wc_string_to_array( $value );
|
|
}
|
|
break;
|
|
case 'product_ids' :
|
|
if ( ! is_array( $coupon[ $key ] ) ) {
|
|
wc_doing_it_wrong( $key, $key . ' should be an array instead of a string.', '3.0' );
|
|
$coupon[ $key ] = wc_string_to_array( $value );
|
|
}
|
|
break;
|
|
case 'individual_use' :
|
|
case 'free_shipping' :
|
|
case 'exclude_sale_items' :
|
|
if ( ! is_bool( $coupon[ $key ] ) ) {
|
|
wc_doing_it_wrong( $key, $key . ' should be true or false instead of yes or no.', '3.0' );
|
|
$coupon[ $key ] = wc_string_to_bool( $value );
|
|
}
|
|
break;
|
|
case 'expiry_date' :
|
|
$coupon['date_expires'] = $value;
|
|
break;
|
|
}
|
|
}
|
|
$this->set_code( $code );
|
|
$this->set_props( $coupon );
|
|
}
|
|
|
|
/**
|
|
* Increase usage count for current coupon.
|
|
*
|
|
* @param string $used_by Either user ID or billing email
|
|
*/
|
|
public function increase_usage_count( $used_by = '' ) {
|
|
if ( $this->get_id() && $this->data_store ) {
|
|
$new_count = $this->data_store->increase_usage_count( $this, $used_by );
|
|
|
|
// Bypass set_prop and remove pending changes since the data store saves the count already.
|
|
$this->data['usage_count'] = $new_count;
|
|
if ( isset( $this->changes['usage_count'] ) ) {
|
|
unset( $this->changes['usage_count'] );
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Decrease usage count for current coupon.
|
|
*
|
|
* @param string $used_by Either user ID or billing email
|
|
*/
|
|
public function decrease_usage_count( $used_by = '' ) {
|
|
if ( $this->get_id() && $this->get_usage_count() > 0 && $this->data_store ) {
|
|
$new_count = $this->data_store->decrease_usage_count( $this, $used_by );
|
|
|
|
// Bypass set_prop and remove pending changes since the data store saves the count already.
|
|
$this->data['usage_count'] = $new_count;
|
|
if ( isset( $this->changes['usage_count'] ) ) {
|
|
unset( $this->changes['usage_count'] );
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
|--------------------------------------------------------------------------
|
|
| Validation & Error Handling
|
|
|--------------------------------------------------------------------------
|
|
*/
|
|
|
|
/**
|
|
* Returns the error_message string.
|
|
*
|
|
* @access public
|
|
* @return string
|
|
*/
|
|
public function get_error_message() {
|
|
return $this->error_message;
|
|
}
|
|
|
|
/**
|
|
* Ensure coupon exists or throw exception.
|
|
*
|
|
* @throws Exception
|
|
*/
|
|
private function validate_exists() {
|
|
if ( ! $this->get_id() ) {
|
|
throw new Exception( self::E_WC_COUPON_NOT_EXIST );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Ensure coupon usage limit is valid or throw exception.
|
|
*
|
|
* @throws Exception
|
|
*/
|
|
private function validate_usage_limit() {
|
|
if ( $this->get_usage_limit() > 0 && $this->get_usage_count() >= $this->get_usage_limit() ) {
|
|
throw new Exception( self::E_WC_COUPON_USAGE_LIMIT_REACHED );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Ensure coupon user usage limit is valid or throw exception.
|
|
*
|
|
* Per user usage limit - check here if user is logged in (against user IDs).
|
|
* Checked again for emails later on in WC_Cart::check_customer_coupons().
|
|
*
|
|
* @param int $user_id
|
|
* @throws Exception
|
|
*/
|
|
private function validate_user_usage_limit( $user_id = 0 ) {
|
|
if ( empty( $user_id ) ) {
|
|
$user_id = get_current_user_id();
|
|
}
|
|
if ( $this->get_usage_limit_per_user() > 0 && is_user_logged_in() && $this->get_id() && $this->data_store ) {
|
|
global $wpdb;
|
|
$usage_count = $this->data_store->get_usage_by_user_id( $this, $user_id );
|
|
if ( $usage_count >= $this->get_usage_limit_per_user() ) {
|
|
throw new Exception( self::E_WC_COUPON_USAGE_LIMIT_REACHED );
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Ensure coupon date is valid or throw exception.
|
|
*
|
|
* @throws Exception
|
|
*/
|
|
private function validate_expiry_date() {
|
|
if ( $this->get_date_expires() && current_time( 'timestamp', true ) > $this->get_date_expires()->getTimestamp() ) {
|
|
throw new Exception( $error_code = self::E_WC_COUPON_EXPIRED );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Ensure coupon amount is valid or throw exception.
|
|
*
|
|
* @throws Exception
|
|
*/
|
|
private function validate_minimum_amount() {
|
|
if ( $this->get_minimum_amount() > 0 && apply_filters( 'woocommerce_coupon_validate_minimum_amount', $this->get_minimum_amount() > WC()->cart->get_displayed_subtotal(), $this ) ) {
|
|
throw new Exception( self::E_WC_COUPON_MIN_SPEND_LIMIT_NOT_MET );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Ensure coupon amount is valid or throw exception.
|
|
*
|
|
* @throws Exception
|
|
*/
|
|
private function validate_maximum_amount() {
|
|
if ( $this->get_maximum_amount() > 0 && apply_filters( 'woocommerce_coupon_validate_maximum_amount', $this->get_maximum_amount() < WC()->cart->get_displayed_subtotal(), $this ) ) {
|
|
throw new Exception( self::E_WC_COUPON_MAX_SPEND_LIMIT_MET );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Ensure coupon is valid for products in the cart is valid or throw exception.
|
|
*
|
|
* @throws Exception
|
|
*/
|
|
private function validate_product_ids() {
|
|
if ( sizeof( $this->get_product_ids() ) > 0 ) {
|
|
$valid_for_cart = false;
|
|
if ( ! WC()->cart->is_empty() ) {
|
|
foreach ( WC()->cart->get_cart() as $cart_item_key => $cart_item ) {
|
|
if ( in_array( $cart_item['product_id'], $this->get_product_ids() ) || in_array( $cart_item['variation_id'], $this->get_product_ids() ) || in_array( $cart_item['data']->get_parent_id(), $this->get_product_ids() ) ) {
|
|
$valid_for_cart = true;
|
|
}
|
|
}
|
|
}
|
|
if ( ! $valid_for_cart ) {
|
|
throw new Exception( self::E_WC_COUPON_NOT_APPLICABLE );
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Ensure coupon is valid for product categories in the cart is valid or throw exception.
|
|
*
|
|
* @throws Exception
|
|
*/
|
|
private function validate_product_categories() {
|
|
if ( sizeof( $this->get_product_categories() ) > 0 ) {
|
|
$valid_for_cart = false;
|
|
if ( ! WC()->cart->is_empty() ) {
|
|
foreach ( WC()->cart->get_cart() as $cart_item_key => $cart_item ) {
|
|
$product_cats = wc_get_product_cat_ids( $cart_item['product_id'] );
|
|
|
|
// If we find an item with a cat in our allowed cat list, the coupon is valid
|
|
if ( sizeof( array_intersect( $product_cats, $this->get_product_categories() ) ) > 0 ) {
|
|
$valid_for_cart = true;
|
|
}
|
|
}
|
|
}
|
|
if ( ! $valid_for_cart ) {
|
|
throw new Exception( self::E_WC_COUPON_NOT_APPLICABLE );
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Ensure coupon is valid for sale items in the cart is valid or throw exception.
|
|
*
|
|
* @throws Exception
|
|
*/
|
|
private function validate_sale_items() {
|
|
if ( $this->get_exclude_sale_items() ) {
|
|
$valid_for_cart = false;
|
|
$product_ids_on_sale = wc_get_product_ids_on_sale();
|
|
|
|
if ( ! WC()->cart->is_empty() ) {
|
|
foreach ( WC()->cart->get_cart() as $cart_item_key => $cart_item ) {
|
|
if ( ! empty( $cart_item['variation_id'] ) ) {
|
|
if ( ! in_array( $cart_item['variation_id'], $product_ids_on_sale, true ) ) {
|
|
$valid_for_cart = true;
|
|
}
|
|
} elseif ( ! in_array( $cart_item['product_id'], $product_ids_on_sale, true ) ) {
|
|
$valid_for_cart = true;
|
|
}
|
|
}
|
|
}
|
|
if ( ! $valid_for_cart ) {
|
|
throw new Exception( self::E_WC_COUPON_NOT_VALID_SALE_ITEMS );
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* All exclusion rules must pass at the same time for a product coupon to be valid.
|
|
*/
|
|
private function validate_excluded_items() {
|
|
if ( ! WC()->cart->is_empty() && $this->is_type( wc_get_product_coupon_types() ) ) {
|
|
$valid = false;
|
|
|
|
foreach ( WC()->cart->get_cart() as $cart_item_key => $cart_item ) {
|
|
if ( $this->is_valid_for_product( $cart_item['data'], $cart_item ) ) {
|
|
$valid = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( ! $valid ) {
|
|
throw new Exception( self::E_WC_COUPON_NOT_APPLICABLE );
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Cart discounts cannot be added if non-eligble product is found in cart.
|
|
*/
|
|
private function validate_cart_excluded_items() {
|
|
if ( ! $this->is_type( wc_get_product_coupon_types() ) ) {
|
|
$this->validate_cart_excluded_product_ids();
|
|
$this->validate_cart_excluded_product_categories();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Exclude products from cart.
|
|
*
|
|
* @throws Exception
|
|
*/
|
|
private function validate_cart_excluded_product_ids() {
|
|
// Exclude Products
|
|
if ( sizeof( $this->get_excluded_product_ids() ) > 0 ) {
|
|
$valid_for_cart = true;
|
|
if ( ! WC()->cart->is_empty() ) {
|
|
foreach ( WC()->cart->get_cart() as $cart_item_key => $cart_item ) {
|
|
if ( in_array( $cart_item['product_id'], $this->get_excluded_product_ids() ) || in_array( $cart_item['variation_id'], $this->get_excluded_product_ids() ) || in_array( $cart_item['data']->get_parent_id(), $this->get_excluded_product_ids() ) ) {
|
|
$valid_for_cart = false;
|
|
}
|
|
}
|
|
}
|
|
if ( ! $valid_for_cart ) {
|
|
throw new Exception( self::E_WC_COUPON_EXCLUDED_PRODUCTS );
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Exclude categories from cart.
|
|
*
|
|
* @throws Exception
|
|
*/
|
|
private function validate_cart_excluded_product_categories() {
|
|
if ( sizeof( $this->get_excluded_product_categories() ) > 0 ) {
|
|
$valid_for_cart = true;
|
|
if ( ! WC()->cart->is_empty() ) {
|
|
foreach ( WC()->cart->get_cart() as $cart_item_key => $cart_item ) {
|
|
$product_cats = wc_get_product_cat_ids( $cart_item['product_id'] );
|
|
if ( sizeof( array_intersect( $product_cats, $this->get_excluded_product_categories() ) ) > 0 ) {
|
|
$valid_for_cart = false;
|
|
}
|
|
}
|
|
}
|
|
if ( ! $valid_for_cart ) {
|
|
throw new Exception( self::E_WC_COUPON_EXCLUDED_CATEGORIES );
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check if a coupon is valid.
|
|
*
|
|
* @return boolean validity
|
|
* @throws Exception
|
|
*/
|
|
public function is_valid() {
|
|
try {
|
|
$this->validate_exists();
|
|
$this->validate_usage_limit();
|
|
$this->validate_user_usage_limit();
|
|
$this->validate_expiry_date();
|
|
$this->validate_minimum_amount();
|
|
$this->validate_maximum_amount();
|
|
$this->validate_product_ids();
|
|
$this->validate_product_categories();
|
|
$this->validate_sale_items();
|
|
$this->validate_excluded_items();
|
|
$this->validate_cart_excluded_items();
|
|
|
|
if ( ! apply_filters( 'woocommerce_coupon_is_valid', true, $this ) ) {
|
|
throw new Exception( self::E_WC_COUPON_INVALID_FILTERED );
|
|
}
|
|
} catch ( Exception $e ) {
|
|
$this->error_message = $this->get_coupon_error( $e->getMessage() );
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Check if a coupon is valid.
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function is_valid_for_cart() {
|
|
return apply_filters( 'woocommerce_coupon_is_valid_for_cart', $this->is_type( wc_get_cart_coupon_types() ), $this );
|
|
}
|
|
|
|
/**
|
|
* Check if a coupon is valid for a product.
|
|
*
|
|
* @param WC_Product $product
|
|
* @return boolean
|
|
*/
|
|
public function is_valid_for_product( $product, $values = array() ) {
|
|
if ( ! $this->is_type( wc_get_product_coupon_types() ) ) {
|
|
return apply_filters( 'woocommerce_coupon_is_valid_for_product', false, $product, $this, $values );
|
|
}
|
|
|
|
$valid = false;
|
|
$product_cats = wc_get_product_cat_ids( $product->is_type( 'variation' ) ? $product->get_parent_id() : $product->get_id() );
|
|
$product_ids = array( $product->get_id(), $product->get_parent_id() );
|
|
|
|
// Specific products get the discount
|
|
if ( sizeof( $this->get_product_ids() ) && sizeof( array_intersect( $product_ids, $this->get_product_ids() ) ) ) {
|
|
$valid = true;
|
|
}
|
|
|
|
// Category discounts
|
|
if ( sizeof( $this->get_product_categories() ) && sizeof( array_intersect( $product_cats, $this->get_product_categories() ) ) ) {
|
|
$valid = true;
|
|
}
|
|
|
|
// No product ids - all items discounted
|
|
if ( ! sizeof( $this->get_product_ids() ) && ! sizeof( $this->get_product_categories() ) ) {
|
|
$valid = true;
|
|
}
|
|
|
|
// Specific product IDs excluded from the discount
|
|
if ( sizeof( $this->get_excluded_product_ids() ) && sizeof( array_intersect( $product_ids, $this->get_excluded_product_ids() ) ) ) {
|
|
$valid = false;
|
|
}
|
|
|
|
// Specific categories excluded from the discount
|
|
if ( sizeof( $this->get_excluded_product_categories() ) && sizeof( array_intersect( $product_cats, $this->get_excluded_product_categories() ) ) ) {
|
|
$valid = false;
|
|
}
|
|
|
|
// Sale Items excluded from discount
|
|
if ( $this->get_exclude_sale_items() ) {
|
|
$product_ids_on_sale = wc_get_product_ids_on_sale();
|
|
|
|
if ( in_array( $product->get_id(), $product_ids_on_sale, true ) ) {
|
|
$valid = false;
|
|
}
|
|
}
|
|
|
|
return apply_filters( 'woocommerce_coupon_is_valid_for_product', $valid, $product, $this, $values );
|
|
}
|
|
|
|
/**
|
|
* Converts one of the WC_Coupon message/error codes to a message string and.
|
|
* displays the message/error.
|
|
*
|
|
* @param int $msg_code Message/error code.
|
|
*/
|
|
public function add_coupon_message( $msg_code ) {
|
|
$msg = $msg_code < 200 ? $this->get_coupon_error( $msg_code ) : $this->get_coupon_message( $msg_code );
|
|
|
|
if ( ! $msg ) {
|
|
return;
|
|
}
|
|
|
|
if ( $msg_code < 200 ) {
|
|
wc_add_notice( $msg, 'error' );
|
|
} else {
|
|
wc_add_notice( $msg );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Map one of the WC_Coupon message codes to a message string.
|
|
*
|
|
* @param integer $msg_code
|
|
* @return string| Message/error string
|
|
*/
|
|
public function get_coupon_message( $msg_code ) {
|
|
switch ( $msg_code ) {
|
|
case self::WC_COUPON_SUCCESS :
|
|
$msg = __( 'Coupon code applied successfully.', 'woocommerce' );
|
|
break;
|
|
case self::WC_COUPON_REMOVED :
|
|
$msg = __( 'Coupon code removed successfully.', 'woocommerce' );
|
|
break;
|
|
default:
|
|
$msg = '';
|
|
break;
|
|
}
|
|
return apply_filters( 'woocommerce_coupon_message', $msg, $msg_code, $this );
|
|
}
|
|
|
|
/**
|
|
* Map one of the WC_Coupon error codes to a message string.
|
|
*
|
|
* @param int $err_code Message/error code.
|
|
* @return string| Message/error string
|
|
*/
|
|
public function get_coupon_error( $err_code ) {
|
|
switch ( $err_code ) {
|
|
case self::E_WC_COUPON_INVALID_FILTERED:
|
|
$err = __( 'Coupon is not valid.', 'woocommerce' );
|
|
break;
|
|
case self::E_WC_COUPON_NOT_EXIST:
|
|
/* translators: %s: coupon code */
|
|
$err = sprintf( __( 'Coupon "%s" does not exist!', 'woocommerce' ), $this->get_code() );
|
|
break;
|
|
case self::E_WC_COUPON_INVALID_REMOVED:
|
|
/* translators: %s: coupon code */
|
|
$err = sprintf( __( 'Sorry, it seems the coupon "%s" is invalid - it has now been removed from your order.', 'woocommerce' ), $this->get_code() );
|
|
break;
|
|
case self::E_WC_COUPON_NOT_YOURS_REMOVED:
|
|
/* translators: %s: coupon code */
|
|
$err = sprintf( __( 'Sorry, it seems the coupon "%s" is not yours - it has now been removed from your order.', 'woocommerce' ), $this->get_code() );
|
|
break;
|
|
case self::E_WC_COUPON_ALREADY_APPLIED:
|
|
$err = __( 'Coupon code already applied!', 'woocommerce' );
|
|
break;
|
|
case self::E_WC_COUPON_ALREADY_APPLIED_INDIV_USE_ONLY:
|
|
/* translators: %s: coupon code */
|
|
$err = sprintf( __( 'Sorry, coupon "%s" has already been applied and cannot be used in conjunction with other coupons.', 'woocommerce' ), $this->get_code() );
|
|
break;
|
|
case self::E_WC_COUPON_USAGE_LIMIT_REACHED:
|
|
$err = __( 'Coupon usage limit has been reached.', 'woocommerce' );
|
|
break;
|
|
case self::E_WC_COUPON_EXPIRED:
|
|
$err = __( 'This coupon has expired.', 'woocommerce' );
|
|
break;
|
|
case self::E_WC_COUPON_MIN_SPEND_LIMIT_NOT_MET:
|
|
/* translators: %s: coupon minimum amount */
|
|
$err = sprintf( __( 'The minimum spend for this coupon is %s.', 'woocommerce' ), wc_price( $this->get_minimum_amount() ) );
|
|
break;
|
|
case self::E_WC_COUPON_MAX_SPEND_LIMIT_MET:
|
|
/* translators: %s: coupon maximum amount */
|
|
$err = sprintf( __( 'The maximum spend for this coupon is %s.', 'woocommerce' ), wc_price( $this->get_maximum_amount() ) );
|
|
break;
|
|
case self::E_WC_COUPON_NOT_APPLICABLE:
|
|
$err = __( 'Sorry, this coupon is not applicable to your cart contents.', 'woocommerce' );
|
|
break;
|
|
case self::E_WC_COUPON_EXCLUDED_PRODUCTS:
|
|
// Store excluded products that are in cart in $products
|
|
$products = array();
|
|
if ( ! WC()->cart->is_empty() ) {
|
|
foreach ( WC()->cart->get_cart() as $cart_item_key => $cart_item ) {
|
|
if ( in_array( $cart_item['product_id'], $this->get_excluded_product_ids() ) || in_array( $cart_item['variation_id'], $this->get_excluded_product_ids() ) || in_array( $cart_item['data']->get_parent_id(), $this->get_excluded_product_ids() ) ) {
|
|
$products[] = $cart_item['data']->get_name();
|
|
}
|
|
}
|
|
}
|
|
|
|
/* translators: %s: products list */
|
|
$err = sprintf( __( 'Sorry, this coupon is not applicable to the products: %s.', 'woocommerce' ), implode( ', ', $products ) );
|
|
break;
|
|
case self::E_WC_COUPON_EXCLUDED_CATEGORIES:
|
|
// Store excluded categories that are in cart in $categories
|
|
$categories = array();
|
|
if ( ! WC()->cart->is_empty() ) {
|
|
foreach ( WC()->cart->get_cart() as $cart_item_key => $cart_item ) {
|
|
$product_cats = wc_get_product_cat_ids( $cart_item['product_id'] );
|
|
|
|
if ( sizeof( $intersect = array_intersect( $product_cats, $this->get_excluded_product_categories() ) ) > 0 ) {
|
|
|
|
foreach ( $intersect as $cat_id ) {
|
|
$cat = get_term( $cat_id, 'product_cat' );
|
|
$categories[] = $cat->name;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* translators: %s: categories list */
|
|
$err = sprintf( __( 'Sorry, this coupon is not applicable to the categories: %s.', 'woocommerce' ), implode( ', ', array_unique( $categories ) ) );
|
|
break;
|
|
case self::E_WC_COUPON_NOT_VALID_SALE_ITEMS:
|
|
$err = __( 'Sorry, this coupon is not valid for sale items.', 'woocommerce' );
|
|
break;
|
|
default:
|
|
$err = '';
|
|
break;
|
|
}
|
|
return apply_filters( 'woocommerce_coupon_error', $err, $err_code, $this );
|
|
}
|
|
|
|
/**
|
|
* Map one of the WC_Coupon error codes to an error string.
|
|
* No coupon instance will be available where a coupon does not exist,
|
|
* so this static method exists.
|
|
*
|
|
* @param int $err_code Error code
|
|
* @return string| Error string
|
|
*/
|
|
public static function get_generic_coupon_error( $err_code ) {
|
|
switch ( $err_code ) {
|
|
case self::E_WC_COUPON_NOT_EXIST:
|
|
$err = __( 'Coupon does not exist!', 'woocommerce' );
|
|
break;
|
|
case self::E_WC_COUPON_PLEASE_ENTER:
|
|
$err = __( 'Please enter a coupon code.', 'woocommerce' );
|
|
break;
|
|
default:
|
|
$err = '';
|
|
break;
|
|
}
|
|
// When using this static method, there is no $this to pass to filter
|
|
return apply_filters( 'woocommerce_coupon_error', $err, $err_code, null );
|
|
}
|
|
}
|