1960 lines
58 KiB
PHP
1960 lines
58 KiB
PHP
<?php
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/**
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* WooCommerce cart
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*
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* The WooCommerce cart class stores cart data and active coupons as well as handling customer sessions and some cart related urls.
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* The cart class also has a price calculation function which calls upon other classes to calculate totals.
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*
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* @package WooCommerce/Classes
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* @version 2.1.0
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*/
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defined( 'ABSPATH' ) || exit;
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require_once WC_ABSPATH . 'includes/legacy/class-wc-legacy-cart.php';
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require_once WC_ABSPATH . 'includes/class-wc-cart-fees.php';
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require_once WC_ABSPATH . 'includes/class-wc-cart-session.php';
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/**
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* WC_Cart class.
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*/
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class WC_Cart extends WC_Legacy_Cart {
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/**
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* Contains an array of cart items.
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*
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* @var array
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*/
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public $cart_contents = array();
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/**
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* Contains an array of removed cart items so we can restore them if needed.
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*
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* @var array
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*/
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public $removed_cart_contents = array();
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/**
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* Contains an array of coupon codes applied to the cart.
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*
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* @var array
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*/
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public $applied_coupons = array();
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/**
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* This stores the chosen shipping methods for the cart item packages.
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*
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* @var array
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*/
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protected $shipping_methods;
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/**
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* Total defaults used to reset.
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*
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* @var array
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*/
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protected $default_totals = array(
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'subtotal' => 0,
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'subtotal_tax' => 0,
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'shipping_total' => 0,
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'shipping_tax' => 0,
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'shipping_taxes' => array(),
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'discount_total' => 0,
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'discount_tax' => 0,
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'cart_contents_total' => 0,
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'cart_contents_tax' => 0,
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'cart_contents_taxes' => array(),
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'fee_total' => 0,
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'fee_tax' => 0,
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'fee_taxes' => array(),
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'total' => 0,
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'total_tax' => 0,
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);
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/**
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* Store calculated totals.
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*
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* @var array
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*/
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protected $totals = array();
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/**
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* Reference to the cart session handling class.
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*
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* @var WC_Cart_Session
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*/
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protected $session;
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/**
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* Reference to the cart fees API class.
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*
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* @var WC_Cart_Fees
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*/
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protected $fees_api;
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/**
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* Constructor for the cart class. Loads options and hooks in the init method.
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*/
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public function __construct() {
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$this->session = new WC_Cart_Session( $this );
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$this->fees_api = new WC_Cart_Fees( $this );
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// Register hooks for the objects.
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$this->session->init();
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add_action( 'woocommerce_add_to_cart', array( $this, 'calculate_totals' ), 20, 0 );
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add_action( 'woocommerce_applied_coupon', array( $this, 'calculate_totals' ), 20, 0 );
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add_action( 'woocommerce_cart_item_removed', array( $this, 'calculate_totals' ), 20, 0 );
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add_action( 'woocommerce_cart_item_restored', array( $this, 'calculate_totals' ), 20, 0 );
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add_action( 'woocommerce_check_cart_items', array( $this, 'check_cart_items' ), 1 );
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add_action( 'woocommerce_check_cart_items', array( $this, 'check_cart_coupons' ), 1 );
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add_action( 'woocommerce_after_checkout_validation', array( $this, 'check_customer_coupons' ), 1, 2 );
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}
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/**
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* When cloning, ensure object properties are handled.
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*
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* These properties store a reference to the cart, so we use new instead of clone.
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*/
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public function __clone() {
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$this->session = clone $this->session;
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$this->fees_api = clone $this->fees_api;
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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 to retrieve class properties and avoid direct access.
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*/
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/**
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* Gets cart contents.
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*
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* @since 3.2.0
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* @return array of cart items
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*/
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public function get_cart_contents() {
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return apply_filters( 'woocommerce_get_cart_contents', (array) $this->cart_contents );
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}
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/**
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* Return items removed from the cart.
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*
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* @since 3.2.0
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* @return array
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*/
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public function get_removed_cart_contents() {
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return (array) $this->removed_cart_contents;
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}
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/**
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* Gets the array of applied coupon codes.
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*
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* @return array of applied coupons
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*/
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public function get_applied_coupons() {
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return (array) $this->applied_coupons;
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}
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/**
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* Return all calculated coupon totals.
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*
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* @since 3.2.0
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* @return array
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*/
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public function get_coupon_discount_totals() {
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return (array) $this->coupon_discount_totals;
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}
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/**
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* Return all calculated coupon tax totals.
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*
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* @since 3.2.0
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* @return array
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*/
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public function get_coupon_discount_tax_totals() {
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return (array) $this->coupon_discount_tax_totals;
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}
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/**
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* Return all calculated totals.
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*
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* @since 3.2.0
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* @return array
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*/
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public function get_totals() {
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return empty( $this->totals ) ? $this->default_totals : $this->totals;
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}
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/**
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* Get a total.
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*
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* @since 3.2.0
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* @param string $key Key of element in $totals array.
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* @return mixed
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*/
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protected function get_totals_var( $key ) {
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return isset( $this->totals[ $key ] ) ? $this->totals[ $key ] : $this->default_totals[ $key ];
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}
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/**
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* Get subtotal.
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*
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* @since 3.2.0
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* @return float
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*/
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public function get_subtotal() {
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return apply_filters( 'woocommerce_cart_' . __FUNCTION__, $this->get_totals_var( 'subtotal' ) );
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}
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/**
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* Get subtotal.
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*
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* @since 3.2.0
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* @return float
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*/
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public function get_subtotal_tax() {
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return apply_filters( 'woocommerce_cart_' . __FUNCTION__, $this->get_totals_var( 'subtotal_tax' ) );
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}
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/**
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* Get discount_total.
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*
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* @since 3.2.0
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* @return float
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*/
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public function get_discount_total() {
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return apply_filters( 'woocommerce_cart_' . __FUNCTION__, $this->get_totals_var( 'discount_total' ) );
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}
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/**
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* Get discount_tax.
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*
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* @since 3.2.0
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* @return float
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*/
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public function get_discount_tax() {
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return apply_filters( 'woocommerce_cart_' . __FUNCTION__, $this->get_totals_var( 'discount_tax' ) );
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}
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/**
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* Get shipping_total.
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*
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* @since 3.2.0
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* @return float
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*/
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public function get_shipping_total() {
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return apply_filters( 'woocommerce_cart_' . __FUNCTION__, $this->get_totals_var( 'shipping_total' ) );
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}
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/**
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* Get shipping_tax.
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*
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* @since 3.2.0
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* @return float
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*/
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public function get_shipping_tax() {
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return apply_filters( 'woocommerce_cart_' . __FUNCTION__, $this->get_totals_var( 'shipping_tax' ) );
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}
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/**
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* Gets cart total. This is the total of items in the cart, but after discounts. Subtotal is before discounts.
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*
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* @since 3.2.0
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* @return float
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*/
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public function get_cart_contents_total() {
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return apply_filters( 'woocommerce_cart_' . __FUNCTION__, $this->get_totals_var( 'cart_contents_total' ) );
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}
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/**
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* Gets cart tax amount.
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*
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* @since 3.2.0
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* @return float
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*/
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public function get_cart_contents_tax() {
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return apply_filters( 'woocommerce_cart_' . __FUNCTION__, $this->get_totals_var( 'cart_contents_tax' ) );
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}
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/**
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* Gets cart total after calculation.
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*
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* @since 3.2.0
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* @param string $context If the context is view, the value will be formatted for display. This keeps it compatible with pre-3.2 versions.
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* @return float
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*/
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public function get_total( $context = 'view' ) {
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$total = apply_filters( 'woocommerce_cart_' . __FUNCTION__, $this->get_totals_var( 'total' ) );
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return 'view' === $context ? apply_filters( 'woocommerce_cart_total', wc_price( $total ) ) : $total;
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}
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/**
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* Get total tax amount.
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*
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* @since 3.2.0
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* @return float
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*/
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public function get_total_tax() {
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return apply_filters( 'woocommerce_cart_' . __FUNCTION__, $this->get_totals_var( 'total_tax' ) );
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}
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/**
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* Get total fee amount.
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*
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* @since 3.2.0
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* @return float
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*/
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public function get_fee_total() {
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return apply_filters( 'woocommerce_cart_' . __FUNCTION__, $this->get_totals_var( 'fee_total' ) );
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}
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/**
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* Get total fee tax amount.
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*
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* @since 3.2.0
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* @return float
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*/
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public function get_fee_tax() {
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return apply_filters( 'woocommerce_cart_' . __FUNCTION__, $this->get_totals_var( 'fee_tax' ) );
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}
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/**
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* Get taxes.
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*
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* @since 3.2.0
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*/
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public function get_shipping_taxes() {
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return apply_filters( 'woocommerce_cart_' . __FUNCTION__, $this->get_totals_var( 'shipping_taxes' ) );
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}
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/**
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* Get taxes.
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*
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* @since 3.2.0
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*/
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public function get_cart_contents_taxes() {
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return apply_filters( 'woocommerce_cart_' . __FUNCTION__, $this->get_totals_var( 'cart_contents_taxes' ) );
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}
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/**
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* Get taxes.
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*
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* @since 3.2.0
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*/
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public function get_fee_taxes() {
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return apply_filters( 'woocommerce_cart_' . __FUNCTION__, $this->get_totals_var( 'fee_taxes' ) );
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}
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/**
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* Return whether or not the cart is displaying prices including tax, rather than excluding tax.
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*
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* @since 3.3.0
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* @return bool
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*/
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public function display_prices_including_tax() {
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$customer_exempt = $this->get_customer() && $this->get_customer()->get_is_vat_exempt();
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return apply_filters( 'woocommerce_cart_' . __FUNCTION__, 'incl' === $this->is_tax_displayed() && ! $customer_exempt );
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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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| Methods to set class properties and avoid direct access.
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*/
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/**
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* Sets the contents of the cart.
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*
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* @param array $value Cart array.
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*/
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public function set_cart_contents( $value ) {
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$this->cart_contents = (array) $value;
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}
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/**
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* Set items removed from the cart.
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*
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* @since 3.2.0
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* @param array $value Item array.
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*/
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public function set_removed_cart_contents( $value = array() ) {
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$this->removed_cart_contents = (array) $value;
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}
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/**
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* Sets the array of applied coupon codes.
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*
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* @param array $value List of applied coupon codes.
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*/
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public function set_applied_coupons( $value = array() ) {
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$this->applied_coupons = (array) $value;
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}
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/**
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* Sets the array of calculated coupon totals.
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*
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* @since 3.2.0
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* @param array $value Value to set.
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*/
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public function set_coupon_discount_totals( $value = array() ) {
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$this->coupon_discount_totals = (array) $value;
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}
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/**
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* Sets the array of calculated coupon tax totals.
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*
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* @since 3.2.0
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* @param array $value Value to set.
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*/
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public function set_coupon_discount_tax_totals( $value = array() ) {
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$this->coupon_discount_tax_totals = (array) $value;
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}
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/**
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* Set all calculated totals.
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*
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* @since 3.2.0
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* @param array $value Value to set.
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*/
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public function set_totals( $value = array() ) {
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$this->totals = wp_parse_args( $value, $this->default_totals );
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}
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/**
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* Set subtotal.
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*
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* @since 3.2.0
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* @param string $value Value to set.
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*/
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public function set_subtotal( $value ) {
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$this->totals['subtotal'] = wc_format_decimal( $value, wc_get_price_decimals() );
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}
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/**
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* Set subtotal.
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*
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* @since 3.2.0
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* @param string $value Value to set.
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*/
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public function set_subtotal_tax( $value ) {
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$this->totals['subtotal_tax'] = $value;
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}
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/**
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* Set discount_total.
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*
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* @since 3.2.0
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* @param string $value Value to set.
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*/
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public function set_discount_total( $value ) {
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$this->totals['discount_total'] = $value;
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}
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/**
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* Set discount_tax.
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*
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* @since 3.2.0
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* @param string $value Value to set.
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*/
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public function set_discount_tax( $value ) {
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$this->totals['discount_tax'] = $value;
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}
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/**
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* Set shipping_total.
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*
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* @since 3.2.0
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* @param string $value Value to set.
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*/
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public function set_shipping_total( $value ) {
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$this->totals['shipping_total'] = wc_format_decimal( $value, wc_get_price_decimals() );
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}
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/**
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* Set shipping_tax.
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*
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* @since 3.2.0
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* @param string $value Value to set.
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*/
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public function set_shipping_tax( $value ) {
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$this->totals['shipping_tax'] = $value;
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}
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/**
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* Set cart_contents_total.
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*
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* @since 3.2.0
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* @param string $value Value to set.
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*/
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public function set_cart_contents_total( $value ) {
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$this->totals['cart_contents_total'] = wc_format_decimal( $value, wc_get_price_decimals() );
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}
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/**
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* Set cart tax amount.
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*
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* @since 3.2.0
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* @param string $value Value to set.
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*/
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public function set_cart_contents_tax( $value ) {
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$this->totals['cart_contents_tax'] = $value;
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}
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/**
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* Set cart total.
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*
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* @since 3.2.0
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* @param string $value Value to set.
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*/
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public function set_total( $value ) {
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$this->totals['total'] = wc_format_decimal( $value, wc_get_price_decimals() );
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}
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/**
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* Set total tax amount.
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*
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* @since 3.2.0
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* @param string $value Value to set.
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*/
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public function set_total_tax( $value ) {
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// We round here because this is a total entry, as opposed to line items in other setters.
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$this->totals['total_tax'] = wc_round_tax_total( $value );
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}
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/**
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* Set fee amount.
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*
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* @since 3.2.0
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* @param string $value Value to set.
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*/
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public function set_fee_total( $value ) {
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$this->totals['fee_total'] = wc_format_decimal( $value, wc_get_price_decimals() );
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}
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/**
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* Set fee tax.
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*
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* @since 3.2.0
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* @param string $value Value to set.
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*/
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public function set_fee_tax( $value ) {
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$this->totals['fee_tax'] = $value;
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}
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/**
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* Set taxes.
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*
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* @since 3.2.0
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* @param array $value Tax values.
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*/
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public function set_shipping_taxes( $value ) {
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$this->totals['shipping_taxes'] = (array) $value;
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}
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/**
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* Set taxes.
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*
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* @since 3.2.0
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* @param array $value Tax values.
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*/
|
|
public function set_cart_contents_taxes( $value ) {
|
|
$this->totals['cart_contents_taxes'] = (array) $value;
|
|
}
|
|
|
|
/**
|
|
* Set taxes.
|
|
*
|
|
* @since 3.2.0
|
|
* @param array $value Tax values.
|
|
*/
|
|
public function set_fee_taxes( $value ) {
|
|
$this->totals['fee_taxes'] = (array) $value;
|
|
}
|
|
|
|
/*
|
|
|--------------------------------------------------------------------------
|
|
| Helper methods.
|
|
|--------------------------------------------------------------------------
|
|
*/
|
|
|
|
/**
|
|
* Returns the cart and shipping taxes, merged.
|
|
*
|
|
* @return array merged taxes
|
|
*/
|
|
public function get_taxes() {
|
|
return apply_filters( 'woocommerce_cart_get_taxes', wc_array_merge_recursive_numeric( $this->get_shipping_taxes(), $this->get_cart_contents_taxes(), $this->get_fee_taxes() ), $this );
|
|
}
|
|
|
|
/**
|
|
* Returns the contents of the cart in an array.
|
|
*
|
|
* @return array contents of the cart
|
|
*/
|
|
public function get_cart() {
|
|
if ( ! did_action( 'wp_loaded' ) ) {
|
|
wc_doing_it_wrong( __FUNCTION__, __( 'Get cart should not be called before the wp_loaded action.', 'woocommerce' ), '2.3' );
|
|
}
|
|
if ( ! did_action( 'woocommerce_load_cart_from_session' ) ) {
|
|
$this->session->get_cart_from_session();
|
|
}
|
|
return array_filter( $this->get_cart_contents() );
|
|
}
|
|
|
|
/**
|
|
* Returns a specific item in the cart.
|
|
*
|
|
* @param string $item_key Cart item key.
|
|
* @return array Item data
|
|
*/
|
|
public function get_cart_item( $item_key ) {
|
|
return isset( $this->cart_contents[ $item_key ] ) ? $this->cart_contents[ $item_key ] : array();
|
|
}
|
|
|
|
/**
|
|
* Checks if the cart is empty.
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function is_empty() {
|
|
return 0 === count( $this->get_cart() );
|
|
}
|
|
|
|
/**
|
|
* Empties the cart and optionally the persistent cart too.
|
|
*
|
|
* @param bool $clear_persistent_cart Should the persistant cart be cleared too. Defaults to true.
|
|
*/
|
|
public function empty_cart( $clear_persistent_cart = true ) {
|
|
|
|
do_action( 'woocommerce_before_cart_emptied', $clear_persistent_cart );
|
|
|
|
$this->cart_contents = array();
|
|
$this->removed_cart_contents = array();
|
|
$this->shipping_methods = array();
|
|
$this->coupon_discount_totals = array();
|
|
$this->coupon_discount_tax_totals = array();
|
|
$this->applied_coupons = array();
|
|
$this->totals = $this->default_totals;
|
|
|
|
if ( $clear_persistent_cart ) {
|
|
$this->session->persistent_cart_destroy();
|
|
}
|
|
|
|
$this->fees_api->remove_all_fees();
|
|
|
|
do_action( 'woocommerce_cart_emptied', $clear_persistent_cart );
|
|
}
|
|
|
|
/**
|
|
* Get number of items in the cart.
|
|
*
|
|
* @return int
|
|
*/
|
|
public function get_cart_contents_count() {
|
|
return apply_filters( 'woocommerce_cart_contents_count', array_sum( wp_list_pluck( $this->get_cart(), 'quantity' ) ) );
|
|
}
|
|
|
|
/**
|
|
* Get weight of items in the cart.
|
|
*
|
|
* @since 2.5.0
|
|
* @return int
|
|
*/
|
|
public function get_cart_contents_weight() {
|
|
$weight = 0;
|
|
|
|
foreach ( $this->get_cart() as $cart_item_key => $values ) {
|
|
if ( $values['data']->has_weight() ) {
|
|
$weight += (float) $values['data']->get_weight() * $values['quantity'];
|
|
}
|
|
}
|
|
|
|
return apply_filters( 'woocommerce_cart_contents_weight', $weight );
|
|
}
|
|
|
|
/**
|
|
* Get cart items quantities - merged so we can do accurate stock checks on items across multiple lines.
|
|
*
|
|
* @return array
|
|
*/
|
|
public function get_cart_item_quantities() {
|
|
$quantities = array();
|
|
|
|
foreach ( $this->get_cart() as $cart_item_key => $values ) {
|
|
$product = $values['data'];
|
|
$quantities[ $product->get_stock_managed_by_id() ] = isset( $quantities[ $product->get_stock_managed_by_id() ] ) ? $quantities[ $product->get_stock_managed_by_id() ] + $values['quantity'] : $values['quantity'];
|
|
}
|
|
|
|
return $quantities;
|
|
}
|
|
|
|
/**
|
|
* Check all cart items for errors.
|
|
*/
|
|
public function check_cart_items() {
|
|
$return = true;
|
|
$result = $this->check_cart_item_validity();
|
|
|
|
if ( is_wp_error( $result ) ) {
|
|
wc_add_notice( $result->get_error_message(), 'error' );
|
|
$return = false;
|
|
}
|
|
|
|
$result = $this->check_cart_item_stock();
|
|
|
|
if ( is_wp_error( $result ) ) {
|
|
wc_add_notice( $result->get_error_message(), 'error' );
|
|
$return = false;
|
|
}
|
|
|
|
return $return;
|
|
|
|
}
|
|
|
|
/**
|
|
* Check cart coupons for errors.
|
|
*/
|
|
public function check_cart_coupons() {
|
|
foreach ( $this->get_applied_coupons() as $code ) {
|
|
$coupon = new WC_Coupon( $code );
|
|
|
|
if ( ! $coupon->is_valid() ) {
|
|
$coupon->add_coupon_message( WC_Coupon::E_WC_COUPON_INVALID_REMOVED );
|
|
$this->remove_coupon( $code );
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Looks through cart items and checks the posts are not trashed or deleted.
|
|
*
|
|
* @return bool|WP_Error
|
|
*/
|
|
public function check_cart_item_validity() {
|
|
$return = true;
|
|
|
|
foreach ( $this->get_cart() as $cart_item_key => $values ) {
|
|
$product = $values['data'];
|
|
|
|
if ( ! $product || ! $product->exists() || 'trash' === $product->get_status() ) {
|
|
$this->set_quantity( $cart_item_key, 0 );
|
|
$return = new WP_Error( 'invalid', __( 'An item which is no longer available was removed from your cart.', 'woocommerce' ) );
|
|
}
|
|
}
|
|
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Looks through the cart to check each item is in stock. If not, add an error.
|
|
*
|
|
* @return bool|WP_Error
|
|
*/
|
|
public function check_cart_item_stock() {
|
|
$error = new WP_Error();
|
|
$product_qty_in_cart = $this->get_cart_item_quantities();
|
|
$current_session_order_id = isset( WC()->session->order_awaiting_payment ) ? absint( WC()->session->order_awaiting_payment ) : 0;
|
|
|
|
foreach ( $this->get_cart() as $cart_item_key => $values ) {
|
|
$product = $values['data'];
|
|
|
|
// Check stock based on stock-status.
|
|
if ( ! $product->is_in_stock() ) {
|
|
/* translators: %s: product name */
|
|
$error->add( 'out-of-stock', sprintf( __( 'Sorry, "%s" is not in stock. Please edit your cart and try again. We apologize for any inconvenience caused.', 'woocommerce' ), $product->get_name() ) );
|
|
return $error;
|
|
}
|
|
|
|
// We only need to check products managing stock, with a limited stock qty.
|
|
if ( ! $product->managing_stock() || $product->backorders_allowed() ) {
|
|
continue;
|
|
}
|
|
|
|
// Check stock based on all items in the cart and consider any held stock within pending orders.
|
|
$held_stock = wc_get_held_stock_quantity( $product, $current_session_order_id );
|
|
$required_stock = $product_qty_in_cart[ $product->get_stock_managed_by_id() ];
|
|
|
|
if ( $product->get_stock_quantity() < ( $held_stock + $required_stock ) ) {
|
|
/* translators: 1: product name 2: quantity in stock */
|
|
$error->add( 'out-of-stock', sprintf( __( 'Sorry, we do not have enough "%1$s" in stock to fulfill your order (%2$s available). We apologize for any inconvenience caused.', 'woocommerce' ), $product->get_name(), wc_format_stock_quantity_for_display( $product->get_stock_quantity() - $held_stock, $product ) ) );
|
|
return $error;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Gets and formats a list of cart item data + variations for display on the frontend.
|
|
*
|
|
* @param array $cart_item Cart item object.
|
|
* @param bool $flat Should the data be returned flat or in a list.
|
|
* @return string
|
|
*/
|
|
public function get_item_data( $cart_item, $flat = false ) {
|
|
wc_deprecated_function( 'WC_Cart::get_item_data', '3.3', 'wc_get_formatted_cart_item_data' );
|
|
|
|
return wc_get_formatted_cart_item_data( $cart_item, $flat );
|
|
}
|
|
|
|
/**
|
|
* Gets cross sells based on the items in the cart.
|
|
*
|
|
* @return array cross_sells (item ids)
|
|
*/
|
|
public function get_cross_sells() {
|
|
$cross_sells = array();
|
|
$in_cart = array();
|
|
if ( ! $this->is_empty() ) {
|
|
foreach ( $this->get_cart() as $cart_item_key => $values ) {
|
|
if ( $values['quantity'] > 0 ) {
|
|
$cross_sells = array_merge( $values['data']->get_cross_sell_ids(), $cross_sells );
|
|
$in_cart[] = $values['product_id'];
|
|
}
|
|
}
|
|
}
|
|
$cross_sells = array_diff( $cross_sells, $in_cart );
|
|
return apply_filters( 'woocommerce_cart_crosssell_ids', wp_parse_id_list( $cross_sells ), $this );
|
|
}
|
|
|
|
/**
|
|
* Gets the url to remove an item from the cart.
|
|
*
|
|
* @param string $cart_item_key contains the id of the cart item.
|
|
* @return string url to page
|
|
*/
|
|
public function get_remove_url( $cart_item_key ) {
|
|
wc_deprecated_function( 'WC_Cart::get_remove_url', '3.3', 'wc_get_cart_remove_url' );
|
|
|
|
return wc_get_cart_remove_url( $cart_item_key );
|
|
}
|
|
|
|
/**
|
|
* Gets the url to re-add an item into the cart.
|
|
*
|
|
* @param string $cart_item_key Cart item key to undo.
|
|
* @return string url to page
|
|
*/
|
|
public function get_undo_url( $cart_item_key ) {
|
|
wc_deprecated_function( 'WC_Cart::get_undo_url', '3.3', 'wc_get_cart_undo_url' );
|
|
|
|
return wc_get_cart_undo_url( $cart_item_key );
|
|
}
|
|
|
|
/**
|
|
* Get taxes, merged by code, formatted ready for output.
|
|
*
|
|
* @return array
|
|
*/
|
|
public function get_tax_totals() {
|
|
$taxes = $this->get_taxes();
|
|
$tax_totals = array();
|
|
|
|
foreach ( $taxes as $key => $tax ) {
|
|
$code = WC_Tax::get_rate_code( $key );
|
|
|
|
if ( $code || apply_filters( 'woocommerce_cart_remove_taxes_zero_rate_id', 'zero-rated' ) === $key ) {
|
|
if ( ! isset( $tax_totals[ $code ] ) ) {
|
|
$tax_totals[ $code ] = new stdClass();
|
|
$tax_totals[ $code ]->amount = 0;
|
|
}
|
|
$tax_totals[ $code ]->tax_rate_id = $key;
|
|
$tax_totals[ $code ]->is_compound = WC_Tax::is_compound( $key );
|
|
$tax_totals[ $code ]->label = WC_Tax::get_rate_label( $key );
|
|
$tax_totals[ $code ]->amount += wc_round_tax_total( $tax );
|
|
$tax_totals[ $code ]->formatted_amount = wc_price( $tax_totals[ $code ]->amount );
|
|
}
|
|
}
|
|
|
|
if ( apply_filters( 'woocommerce_cart_hide_zero_taxes', true ) ) {
|
|
$amounts = array_filter( wp_list_pluck( $tax_totals, 'amount' ) );
|
|
$tax_totals = array_intersect_key( $tax_totals, $amounts );
|
|
}
|
|
|
|
return apply_filters( 'woocommerce_cart_tax_totals', $tax_totals, $this );
|
|
}
|
|
|
|
/**
|
|
* Get all tax classes for items in the cart.
|
|
*
|
|
* @return array
|
|
*/
|
|
public function get_cart_item_tax_classes() {
|
|
$found_tax_classes = array();
|
|
|
|
foreach ( WC()->cart->get_cart() as $item ) {
|
|
if ( $item['data'] && ( $item['data']->is_taxable() || $item['data']->is_shipping_taxable() ) ) {
|
|
$found_tax_classes[] = $item['data']->get_tax_class();
|
|
}
|
|
}
|
|
|
|
return array_unique( $found_tax_classes );
|
|
}
|
|
|
|
/**
|
|
* Get all tax classes for shipping based on the items in the cart.
|
|
*
|
|
* @return array
|
|
*/
|
|
public function get_cart_item_tax_classes_for_shipping() {
|
|
$found_tax_classes = array();
|
|
|
|
foreach ( WC()->cart->get_cart() as $item ) {
|
|
if ( $item['data'] && ( $item['data']->is_shipping_taxable() ) ) {
|
|
$found_tax_classes[] = $item['data']->get_tax_class();
|
|
}
|
|
}
|
|
|
|
return array_unique( $found_tax_classes );
|
|
}
|
|
|
|
/**
|
|
* Determines the value that the customer spent and the subtotal
|
|
* displayed, used for things like coupon validation.
|
|
*
|
|
* Since the coupon lines are displayed based on the TAX DISPLAY value
|
|
* of cart, this is used to determine the spend.
|
|
*
|
|
* If cart totals are shown including tax, use the subtotal.
|
|
* If cart totals are shown excluding tax, use the subtotal ex tax
|
|
* (tax is shown after coupons).
|
|
*
|
|
* @since 2.6.0
|
|
* @return string
|
|
*/
|
|
public function get_displayed_subtotal() {
|
|
return $this->display_prices_including_tax() ? $this->get_subtotal() + $this->get_subtotal_tax() : $this->get_subtotal();
|
|
}
|
|
|
|
/**
|
|
* Check if product is in the cart and return cart item key.
|
|
*
|
|
* Cart item key will be unique based on the item and its properties, such as variations.
|
|
*
|
|
* @param mixed $cart_id id of product to find in the cart.
|
|
* @return string cart item key
|
|
*/
|
|
public function find_product_in_cart( $cart_id = false ) {
|
|
if ( false !== $cart_id ) {
|
|
if ( is_array( $this->cart_contents ) && isset( $this->cart_contents[ $cart_id ] ) ) {
|
|
return $cart_id;
|
|
}
|
|
}
|
|
return '';
|
|
}
|
|
|
|
/**
|
|
* Generate a unique ID for the cart item being added.
|
|
*
|
|
* @param int $product_id - id of the product the key is being generated for.
|
|
* @param int $variation_id of the product the key is being generated for.
|
|
* @param array $variation data for the cart item.
|
|
* @param array $cart_item_data other cart item data passed which affects this items uniqueness in the cart.
|
|
* @return string cart item key
|
|
*/
|
|
public function generate_cart_id( $product_id, $variation_id = 0, $variation = array(), $cart_item_data = array() ) {
|
|
$id_parts = array( $product_id );
|
|
|
|
if ( $variation_id && 0 !== $variation_id ) {
|
|
$id_parts[] = $variation_id;
|
|
}
|
|
|
|
if ( is_array( $variation ) && ! empty( $variation ) ) {
|
|
$variation_key = '';
|
|
foreach ( $variation as $key => $value ) {
|
|
$variation_key .= trim( $key ) . trim( $value );
|
|
}
|
|
$id_parts[] = $variation_key;
|
|
}
|
|
|
|
if ( is_array( $cart_item_data ) && ! empty( $cart_item_data ) ) {
|
|
$cart_item_data_key = '';
|
|
foreach ( $cart_item_data as $key => $value ) {
|
|
if ( is_array( $value ) || is_object( $value ) ) {
|
|
$value = http_build_query( $value );
|
|
}
|
|
$cart_item_data_key .= trim( $key ) . trim( $value );
|
|
|
|
}
|
|
$id_parts[] = $cart_item_data_key;
|
|
}
|
|
|
|
return apply_filters( 'woocommerce_cart_id', md5( implode( '_', $id_parts ) ), $product_id, $variation_id, $variation, $cart_item_data );
|
|
}
|
|
|
|
/**
|
|
* Add a product to the cart.
|
|
*
|
|
* @throws Exception Plugins can throw an exception to prevent adding to cart.
|
|
* @param int $product_id contains the id of the product to add to the cart.
|
|
* @param int $quantity contains the quantity of the item to add.
|
|
* @param int $variation_id ID of the variation being added to the cart.
|
|
* @param array $variation attribute values.
|
|
* @param array $cart_item_data extra cart item data we want to pass into the item.
|
|
* @return string|bool $cart_item_key
|
|
*/
|
|
public function add_to_cart( $product_id = 0, $quantity = 1, $variation_id = 0, $variation = array(), $cart_item_data = array() ) {
|
|
try {
|
|
$product_id = absint( $product_id );
|
|
$variation_id = absint( $variation_id );
|
|
|
|
// Ensure we don't add a variation to the cart directly by variation ID.
|
|
if ( 'product_variation' === get_post_type( $product_id ) ) {
|
|
$variation_id = $product_id;
|
|
$product_id = wp_get_post_parent_id( $variation_id );
|
|
}
|
|
|
|
$product_data = wc_get_product( $variation_id ? $variation_id : $product_id );
|
|
$quantity = apply_filters( 'woocommerce_add_to_cart_quantity', $quantity, $product_id );
|
|
|
|
if ( $quantity <= 0 || ! $product_data || 'trash' === $product_data->get_status() ) {
|
|
return false;
|
|
}
|
|
|
|
// Load cart item data - may be added by other plugins.
|
|
$cart_item_data = (array) apply_filters( 'woocommerce_add_cart_item_data', $cart_item_data, $product_id, $variation_id, $quantity );
|
|
|
|
// Generate a ID based on product ID, variation ID, variation data, and other cart item data.
|
|
$cart_id = $this->generate_cart_id( $product_id, $variation_id, $variation, $cart_item_data );
|
|
|
|
// Find the cart item key in the existing cart.
|
|
$cart_item_key = $this->find_product_in_cart( $cart_id );
|
|
|
|
// Force quantity to 1 if sold individually and check for existing item in cart.
|
|
if ( $product_data->is_sold_individually() ) {
|
|
$quantity = apply_filters( 'woocommerce_add_to_cart_sold_individually_quantity', 1, $quantity, $product_id, $variation_id, $cart_item_data );
|
|
$found_in_cart = apply_filters( 'woocommerce_add_to_cart_sold_individually_found_in_cart', $cart_item_key && $this->cart_contents[ $cart_item_key ]['quantity'] > 0, $product_id, $variation_id, $cart_item_data, $cart_id );
|
|
|
|
if ( $found_in_cart ) {
|
|
/* translators: %s: product name */
|
|
throw new Exception( sprintf( '<a href="%s" class="button wc-forward">%s</a> %s', wc_get_cart_url(), __( 'View cart', 'woocommerce' ), sprintf( __( 'You cannot add another "%s" to your cart.', 'woocommerce' ), $product_data->get_name() ) ) );
|
|
}
|
|
}
|
|
|
|
if ( ! $product_data->is_purchasable() ) {
|
|
$message = __( 'Sorry, this product cannot be purchased.', 'woocommerce' );
|
|
/**
|
|
* Filters message about product unable to be purchased.
|
|
*
|
|
* @since 3.8.0
|
|
* @param string $message Message.
|
|
* @param WC_Product $product_data Product data.
|
|
*/
|
|
$message = apply_filters( 'woocommerce_cart_product_cannot_be_purchased_message', $message, $product_data );
|
|
throw new Exception( $message );
|
|
}
|
|
|
|
// Stock check - only check if we're managing stock and backorders are not allowed.
|
|
if ( ! $product_data->is_in_stock() ) {
|
|
/* translators: %s: product name */
|
|
throw new Exception( sprintf( __( 'You cannot add "%s" to the cart because the product is out of stock.', 'woocommerce' ), $product_data->get_name() ) );
|
|
}
|
|
|
|
if ( ! $product_data->has_enough_stock( $quantity ) ) {
|
|
/* translators: 1: product name 2: quantity in stock */
|
|
throw new Exception( sprintf( __( 'You cannot add that amount of "%1$s" to the cart because there is not enough stock (%2$s remaining).', 'woocommerce' ), $product_data->get_name(), wc_format_stock_quantity_for_display( $product_data->get_stock_quantity(), $product_data ) ) );
|
|
}
|
|
|
|
// Stock check - this time accounting for whats already in-cart.
|
|
if ( $product_data->managing_stock() ) {
|
|
$products_qty_in_cart = $this->get_cart_item_quantities();
|
|
|
|
if ( isset( $products_qty_in_cart[ $product_data->get_stock_managed_by_id() ] ) && ! $product_data->has_enough_stock( $products_qty_in_cart[ $product_data->get_stock_managed_by_id() ] + $quantity ) ) {
|
|
throw new Exception(
|
|
sprintf(
|
|
'<a href="%s" class="button wc-forward">%s</a> %s',
|
|
wc_get_cart_url(),
|
|
__( 'View cart', 'woocommerce' ),
|
|
/* translators: 1: quantity in stock 2: current quantity */
|
|
sprintf( __( 'You cannot add that amount to the cart — we have %1$s in stock and you already have %2$s in your cart.', 'woocommerce' ), wc_format_stock_quantity_for_display( $product_data->get_stock_quantity(), $product_data ), wc_format_stock_quantity_for_display( $products_qty_in_cart[ $product_data->get_stock_managed_by_id() ], $product_data ) )
|
|
)
|
|
);
|
|
}
|
|
}
|
|
|
|
// If cart_item_key is set, the item is already in the cart.
|
|
if ( $cart_item_key ) {
|
|
$new_quantity = $quantity + $this->cart_contents[ $cart_item_key ]['quantity'];
|
|
$this->set_quantity( $cart_item_key, $new_quantity, false );
|
|
} else {
|
|
$cart_item_key = $cart_id;
|
|
|
|
// Add item after merging with $cart_item_data - hook to allow plugins to modify cart item.
|
|
$this->cart_contents[ $cart_item_key ] = apply_filters(
|
|
'woocommerce_add_cart_item',
|
|
array_merge(
|
|
$cart_item_data,
|
|
array(
|
|
'key' => $cart_item_key,
|
|
'product_id' => $product_id,
|
|
'variation_id' => $variation_id,
|
|
'variation' => $variation,
|
|
'quantity' => $quantity,
|
|
'data' => $product_data,
|
|
'data_hash' => wc_get_cart_item_data_hash( $product_data ),
|
|
)
|
|
),
|
|
$cart_item_key
|
|
);
|
|
}
|
|
|
|
$this->cart_contents = apply_filters( 'woocommerce_cart_contents_changed', $this->cart_contents );
|
|
|
|
do_action( 'woocommerce_add_to_cart', $cart_item_key, $product_id, $quantity, $variation_id, $variation, $cart_item_data );
|
|
|
|
return $cart_item_key;
|
|
|
|
} catch ( Exception $e ) {
|
|
if ( $e->getMessage() ) {
|
|
wc_add_notice( $e->getMessage(), 'error' );
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Remove a cart item.
|
|
*
|
|
* @since 2.3.0
|
|
* @param string $cart_item_key Cart item key to remove from the cart.
|
|
* @return bool
|
|
*/
|
|
public function remove_cart_item( $cart_item_key ) {
|
|
if ( isset( $this->cart_contents[ $cart_item_key ] ) ) {
|
|
$this->removed_cart_contents[ $cart_item_key ] = $this->cart_contents[ $cart_item_key ];
|
|
|
|
unset( $this->removed_cart_contents[ $cart_item_key ]['data'] );
|
|
|
|
do_action( 'woocommerce_remove_cart_item', $cart_item_key, $this );
|
|
|
|
unset( $this->cart_contents[ $cart_item_key ] );
|
|
|
|
do_action( 'woocommerce_cart_item_removed', $cart_item_key, $this );
|
|
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Restore a cart item.
|
|
*
|
|
* @param string $cart_item_key Cart item key to restore to the cart.
|
|
* @return bool
|
|
*/
|
|
public function restore_cart_item( $cart_item_key ) {
|
|
if ( isset( $this->removed_cart_contents[ $cart_item_key ] ) ) {
|
|
$restore_item = $this->removed_cart_contents[ $cart_item_key ];
|
|
$this->cart_contents[ $cart_item_key ] = $restore_item;
|
|
$this->cart_contents[ $cart_item_key ]['data'] = wc_get_product( $restore_item['variation_id'] ? $restore_item['variation_id'] : $restore_item['product_id'] );
|
|
|
|
do_action( 'woocommerce_restore_cart_item', $cart_item_key, $this );
|
|
|
|
unset( $this->removed_cart_contents[ $cart_item_key ] );
|
|
|
|
do_action( 'woocommerce_cart_item_restored', $cart_item_key, $this );
|
|
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Set the quantity for an item in the cart using it's key.
|
|
*
|
|
* @param string $cart_item_key contains the id of the cart item.
|
|
* @param int $quantity contains the quantity of the item.
|
|
* @param bool $refresh_totals whether or not to calculate totals after setting the new qty. Can be used to defer calculations if setting quantities in bulk.
|
|
* @return bool
|
|
*/
|
|
public function set_quantity( $cart_item_key, $quantity = 1, $refresh_totals = true ) {
|
|
if ( 0 === $quantity || $quantity < 0 ) {
|
|
wc_do_deprecated_action( 'woocommerce_before_cart_item_quantity_zero', array( $cart_item_key, $this ), '3.7.0', 'woocommerce_remove_cart_item' );
|
|
// If we're setting qty to 0 we're removing the item from the cart.
|
|
return $this->remove_cart_item( $cart_item_key );
|
|
}
|
|
|
|
// Update qty.
|
|
$old_quantity = $this->cart_contents[ $cart_item_key ]['quantity'];
|
|
$this->cart_contents[ $cart_item_key ]['quantity'] = $quantity;
|
|
|
|
do_action( 'woocommerce_after_cart_item_quantity_update', $cart_item_key, $quantity, $old_quantity, $this );
|
|
|
|
if ( $refresh_totals ) {
|
|
$this->calculate_totals();
|
|
}
|
|
|
|
/**
|
|
* Fired after qty has been changed.
|
|
*
|
|
* @since 3.6.0
|
|
* @param string $cart_item_key contains the id of the cart item. This may be empty if the cart item does not exist any more.
|
|
* @param int $quantity contains the quantity of the item.
|
|
* @param WC_Cart $this Cart class.
|
|
*/
|
|
do_action( 'woocommerce_cart_item_set_quantity', $cart_item_key, $quantity, $this );
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Get cart's owner.
|
|
*
|
|
* @since 3.2.0
|
|
* @return WC_Customer
|
|
*/
|
|
public function get_customer() {
|
|
return WC()->customer;
|
|
}
|
|
|
|
/**
|
|
* Calculate totals for the items in the cart.
|
|
*
|
|
* @uses WC_Cart_Totals
|
|
*/
|
|
public function calculate_totals() {
|
|
$this->reset_totals();
|
|
|
|
if ( $this->is_empty() ) {
|
|
$this->session->set_session();
|
|
return;
|
|
}
|
|
|
|
do_action( 'woocommerce_before_calculate_totals', $this );
|
|
|
|
new WC_Cart_Totals( $this );
|
|
|
|
do_action( 'woocommerce_after_calculate_totals', $this );
|
|
}
|
|
|
|
/**
|
|
* Looks at the totals to see if payment is actually required.
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function needs_payment() {
|
|
return apply_filters( 'woocommerce_cart_needs_payment', 0 < $this->get_total( 'edit' ), $this );
|
|
}
|
|
|
|
/*
|
|
* Shipping related functions.
|
|
*/
|
|
|
|
/**
|
|
* Uses the shipping class to calculate shipping then gets the totals when its finished.
|
|
*/
|
|
public function calculate_shipping() {
|
|
$this->shipping_methods = $this->needs_shipping() ? $this->get_chosen_shipping_methods( WC()->shipping()->calculate_shipping( $this->get_shipping_packages() ) ) : array();
|
|
|
|
$shipping_taxes = wp_list_pluck( $this->shipping_methods, 'taxes' );
|
|
$merged_taxes = array();
|
|
foreach ( $shipping_taxes as $taxes ) {
|
|
foreach ( $taxes as $tax_id => $tax_amount ) {
|
|
if ( ! isset( $merged_taxes[ $tax_id ] ) ) {
|
|
$merged_taxes[ $tax_id ] = 0;
|
|
}
|
|
$merged_taxes[ $tax_id ] += $tax_amount;
|
|
}
|
|
}
|
|
|
|
$this->set_shipping_total( array_sum( wp_list_pluck( $this->shipping_methods, 'cost' ) ) );
|
|
$this->set_shipping_tax( array_sum( $merged_taxes ) );
|
|
$this->set_shipping_taxes( $merged_taxes );
|
|
|
|
return $this->shipping_methods;
|
|
}
|
|
|
|
/**
|
|
* Given a set of packages with rates, get the chosen ones only.
|
|
*
|
|
* @since 3.2.0
|
|
* @param array $calculated_shipping_packages Array of packages.
|
|
* @return array
|
|
*/
|
|
protected function get_chosen_shipping_methods( $calculated_shipping_packages = array() ) {
|
|
$chosen_methods = array();
|
|
// Get chosen methods for each package to get our totals.
|
|
foreach ( $calculated_shipping_packages as $key => $package ) {
|
|
$chosen_method = wc_get_chosen_shipping_method_for_package( $key, $package );
|
|
if ( $chosen_method ) {
|
|
$chosen_methods[ $key ] = $package['rates'][ $chosen_method ];
|
|
}
|
|
}
|
|
return $chosen_methods;
|
|
}
|
|
|
|
/**
|
|
* Filter items needing shipping callback.
|
|
*
|
|
* @since 3.0.0
|
|
* @param array $item Item to check for shipping.
|
|
* @return bool
|
|
*/
|
|
protected function filter_items_needing_shipping( $item ) {
|
|
$product = $item['data'];
|
|
return $product && $product->needs_shipping();
|
|
}
|
|
|
|
/**
|
|
* Get only items that need shipping.
|
|
*
|
|
* @since 3.0.0
|
|
* @return array
|
|
*/
|
|
protected function get_items_needing_shipping() {
|
|
return array_filter( $this->get_cart(), array( $this, 'filter_items_needing_shipping' ) );
|
|
}
|
|
|
|
/**
|
|
* Get packages to calculate shipping for.
|
|
*
|
|
* This lets us calculate costs for carts that are shipped to multiple locations.
|
|
*
|
|
* Shipping methods are responsible for looping through these packages.
|
|
*
|
|
* By default we pass the cart itself as a package - plugins can change this.
|
|
* through the filter and break it up.
|
|
*
|
|
* @since 1.5.4
|
|
* @return array of cart items
|
|
*/
|
|
public function get_shipping_packages() {
|
|
return apply_filters(
|
|
'woocommerce_cart_shipping_packages',
|
|
array(
|
|
array(
|
|
'contents' => $this->get_items_needing_shipping(),
|
|
'contents_cost' => array_sum( wp_list_pluck( $this->get_items_needing_shipping(), 'line_total' ) ),
|
|
'applied_coupons' => $this->get_applied_coupons(),
|
|
'user' => array(
|
|
'ID' => get_current_user_id(),
|
|
),
|
|
'destination' => array(
|
|
'country' => $this->get_customer()->get_shipping_country(),
|
|
'state' => $this->get_customer()->get_shipping_state(),
|
|
'postcode' => $this->get_customer()->get_shipping_postcode(),
|
|
'city' => $this->get_customer()->get_shipping_city(),
|
|
'address' => $this->get_customer()->get_shipping_address(),
|
|
'address_1' => $this->get_customer()->get_shipping_address(), // Provide both address and address_1 for backwards compatibility.
|
|
'address_2' => $this->get_customer()->get_shipping_address_2(),
|
|
),
|
|
'cart_subtotal' => $this->get_displayed_subtotal(),
|
|
),
|
|
)
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Looks through the cart to see if shipping is actually required.
|
|
*
|
|
* @return bool whether or not the cart needs shipping
|
|
*/
|
|
public function needs_shipping() {
|
|
if ( ! wc_shipping_enabled() || 0 === wc_get_shipping_method_count( true ) ) {
|
|
return false;
|
|
}
|
|
$needs_shipping = false;
|
|
|
|
foreach ( $this->get_cart_contents() as $cart_item_key => $values ) {
|
|
if ( $values['data']->needs_shipping() ) {
|
|
$needs_shipping = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return apply_filters( 'woocommerce_cart_needs_shipping', $needs_shipping );
|
|
}
|
|
|
|
/**
|
|
* Should the shipping address form be shown.
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function needs_shipping_address() {
|
|
return apply_filters( 'woocommerce_cart_needs_shipping_address', true === $this->needs_shipping() && ! wc_ship_to_billing_address_only() );
|
|
}
|
|
|
|
/**
|
|
* Sees if the customer has entered enough data to calc the shipping yet.
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function show_shipping() {
|
|
if ( ! wc_shipping_enabled() || ! $this->get_cart_contents() ) {
|
|
return false;
|
|
}
|
|
|
|
if ( 'yes' === get_option( 'woocommerce_shipping_cost_requires_address' ) ) {
|
|
if ( ! $this->get_customer()->has_calculated_shipping() ) {
|
|
if ( ! $this->get_customer()->get_shipping_country() || ( ! $this->get_customer()->get_shipping_state() && ! $this->get_customer()->get_shipping_postcode() ) ) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
return apply_filters( 'woocommerce_cart_ready_to_calc_shipping', true );
|
|
}
|
|
|
|
/**
|
|
* Gets the shipping total (after calculation).
|
|
*
|
|
* @return string price or string for the shipping total
|
|
*/
|
|
public function get_cart_shipping_total() {
|
|
|
|
// Default total assumes Free shipping.
|
|
$total = __( 'Free!', 'woocommerce' );
|
|
|
|
if ( 0 < $this->get_shipping_total() ) {
|
|
|
|
if ( $this->display_prices_including_tax() ) {
|
|
$total = wc_price( $this->shipping_total + $this->shipping_tax_total );
|
|
|
|
if ( $this->shipping_tax_total > 0 && ! wc_prices_include_tax() ) {
|
|
$total .= ' <small class="tax_label">' . WC()->countries->inc_tax_or_vat() . '</small>';
|
|
}
|
|
} else {
|
|
$total = wc_price( $this->shipping_total );
|
|
|
|
if ( $this->shipping_tax_total > 0 && wc_prices_include_tax() ) {
|
|
$total .= ' <small class="tax_label">' . WC()->countries->ex_tax_or_vat() . '</small>';
|
|
}
|
|
}
|
|
}
|
|
return apply_filters( 'woocommerce_cart_shipping_total', $total, $this );
|
|
}
|
|
|
|
/**
|
|
* Check for user coupons (now that we have billing email). If a coupon is invalid, add an error.
|
|
*
|
|
* Checks two types of coupons:
|
|
* 1. Where a list of customer emails are set (limits coupon usage to those defined).
|
|
* 2. Where a usage_limit_per_user is set (limits coupon usage to a number based on user ID and email).
|
|
*
|
|
* @param array $posted Post data.
|
|
*/
|
|
public function check_customer_coupons( $posted ) {
|
|
foreach ( $this->get_applied_coupons() as $code ) {
|
|
$coupon = new WC_Coupon( $code );
|
|
|
|
if ( $coupon->is_valid() ) {
|
|
|
|
// Get user and posted emails to compare.
|
|
$current_user = wp_get_current_user();
|
|
$billing_email = isset( $posted['billing_email'] ) ? $posted['billing_email'] : '';
|
|
$check_emails = array_unique(
|
|
array_filter(
|
|
array_map(
|
|
'strtolower',
|
|
array_map(
|
|
'sanitize_email',
|
|
array(
|
|
$billing_email,
|
|
$current_user->user_email,
|
|
)
|
|
)
|
|
)
|
|
)
|
|
);
|
|
|
|
// Limit to defined email addresses.
|
|
$restrictions = $coupon->get_email_restrictions();
|
|
|
|
if ( is_array( $restrictions ) && 0 < count( $restrictions ) && ! $this->is_coupon_emails_allowed( $check_emails, $restrictions ) ) {
|
|
$coupon->add_coupon_message( WC_Coupon::E_WC_COUPON_NOT_YOURS_REMOVED );
|
|
$this->remove_coupon( $code );
|
|
}
|
|
|
|
$coupon_usage_limit = $coupon->get_usage_limit_per_user();
|
|
if ( 0 < $coupon_usage_limit && 0 === get_current_user_id() ) {
|
|
// For guest, usage per user has not been enforced yet. Enforce it now.
|
|
$coupon_data_store = $coupon->get_data_store();
|
|
$billing_email = strtolower( sanitize_email( $billing_email ) );
|
|
if ( $coupon_data_store && $coupon_data_store->get_usage_by_email( $coupon, $billing_email ) >= $coupon_usage_limit ) {
|
|
$coupon->add_coupon_message( WC_Coupon::E_WC_COUPON_USAGE_LIMIT_REACHED );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Checks if the given email address(es) matches the ones specified on the coupon.
|
|
*
|
|
* @param array $check_emails Array of customer email addresses.
|
|
* @param array $restrictions Array of allowed email addresses.
|
|
* @return bool
|
|
*/
|
|
public function is_coupon_emails_allowed( $check_emails, $restrictions ) {
|
|
|
|
foreach ( $check_emails as $check_email ) {
|
|
// With a direct match we return true.
|
|
if ( in_array( $check_email, $restrictions, true ) ) {
|
|
return true;
|
|
}
|
|
|
|
// Go through the allowed emails and return true if the email matches a wildcard.
|
|
foreach ( $restrictions as $restriction ) {
|
|
// Convert to PHP-regex syntax.
|
|
$regex = '/^' . str_replace( '*', '(.+)?', $restriction ) . '$/';
|
|
preg_match( $regex, $check_email, $match );
|
|
if ( ! empty( $match ) ) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
// No matches, this one isn't allowed.
|
|
return false;
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns whether or not a discount has been applied.
|
|
*
|
|
* @param string $coupon_code Coupon code to check.
|
|
* @return bool
|
|
*/
|
|
public function has_discount( $coupon_code = '' ) {
|
|
return $coupon_code ? in_array( wc_format_coupon_code( $coupon_code ), $this->applied_coupons, true ) : count( $this->applied_coupons ) > 0;
|
|
}
|
|
|
|
/**
|
|
* 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 apply_coupon( $coupon_code ) {
|
|
// Coupons are globally disabled.
|
|
if ( ! wc_coupons_enabled() ) {
|
|
return false;
|
|
}
|
|
|
|
// Sanitize coupon code.
|
|
$coupon_code = wc_format_coupon_code( $coupon_code );
|
|
|
|
// Get the coupon.
|
|
$the_coupon = new WC_Coupon( $coupon_code );
|
|
|
|
// Prevent adding coupons by post ID.
|
|
if ( $the_coupon->get_code() !== $coupon_code ) {
|
|
$the_coupon->set_code( $coupon_code );
|
|
$the_coupon->add_coupon_message( WC_Coupon::E_WC_COUPON_NOT_EXIST );
|
|
return false;
|
|
}
|
|
|
|
// 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() ) {
|
|
$coupons_to_keep = apply_filters( 'woocommerce_apply_individual_use_coupon', array(), $the_coupon, $this->applied_coupons );
|
|
|
|
foreach ( $this->applied_coupons as $applied_coupon ) {
|
|
$keep_key = array_search( $applied_coupon, $coupons_to_keep, true );
|
|
if ( false === $keep_key ) {
|
|
$this->remove_coupon( $applied_coupon );
|
|
} else {
|
|
unset( $coupons_to_keep[ $keep_key ] );
|
|
}
|
|
}
|
|
|
|
if ( ! empty( $coupons_to_keep ) ) {
|
|
$this->applied_coupons += $coupons_to_keep;
|
|
}
|
|
}
|
|
|
|
// Check to see if an individual use coupon is set.
|
|
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;
|
|
}
|
|
|
|
/**
|
|
* Get array of applied coupon objects and codes.
|
|
*
|
|
* @param null $deprecated No longer used.
|
|
* @return array of applied coupons
|
|
*/
|
|
public function get_coupons( $deprecated = null ) {
|
|
$coupons = array();
|
|
|
|
if ( 'order' === $deprecated ) {
|
|
return $coupons;
|
|
}
|
|
|
|
foreach ( $this->get_applied_coupons() as $code ) {
|
|
$coupon = new WC_Coupon( $code );
|
|
$coupons[ $code ] = $coupon;
|
|
}
|
|
|
|
return $coupons;
|
|
}
|
|
|
|
/**
|
|
* Get the discount amount for a used coupon.
|
|
*
|
|
* @param string $code coupon code.
|
|
* @param bool $ex_tax inc or ex tax.
|
|
* @return float discount amount
|
|
*/
|
|
public function get_coupon_discount_amount( $code, $ex_tax = true ) {
|
|
$totals = $this->get_coupon_discount_totals();
|
|
$discount_amount = isset( $totals[ $code ] ) ? $totals[ $code ] : 0;
|
|
|
|
if ( ! $ex_tax ) {
|
|
$discount_amount += $this->get_coupon_discount_tax_amount( $code );
|
|
}
|
|
|
|
return wc_cart_round_discount( $discount_amount, wc_get_price_decimals() );
|
|
}
|
|
|
|
/**
|
|
* Get the discount tax amount for a used coupon (for tax inclusive prices).
|
|
*
|
|
* @param string $code coupon code.
|
|
* @return float discount amount
|
|
*/
|
|
public function get_coupon_discount_tax_amount( $code ) {
|
|
$totals = $this->get_coupon_discount_tax_totals();
|
|
return wc_cart_round_discount( isset( $totals[ $code ] ) ? $totals[ $code ] : 0, wc_get_price_decimals() );
|
|
}
|
|
|
|
/**
|
|
* Remove coupons from the cart of a defined type. Type 1 is before tax, type 2 is after tax.
|
|
*
|
|
* @param null $deprecated No longer used.
|
|
*/
|
|
public function remove_coupons( $deprecated = null ) {
|
|
$this->set_coupon_discount_totals( array() );
|
|
$this->set_coupon_discount_tax_totals( array() );
|
|
$this->set_applied_coupons( array() );
|
|
$this->session->set_session();
|
|
}
|
|
|
|
/**
|
|
* Remove a single coupon by code.
|
|
*
|
|
* @param string $coupon_code Code of the coupon to remove.
|
|
* @return bool
|
|
*/
|
|
public function remove_coupon( $coupon_code ) {
|
|
$coupon_code = wc_format_coupon_code( $coupon_code );
|
|
$position = array_search( $coupon_code, $this->get_applied_coupons(), true );
|
|
|
|
if ( false !== $position ) {
|
|
unset( $this->applied_coupons[ $position ] );
|
|
}
|
|
|
|
WC()->session->set( 'refresh_totals', true );
|
|
|
|
do_action( 'woocommerce_removed_coupon', $coupon_code );
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Trigger an action so 3rd parties can add custom fees.
|
|
*
|
|
* @since 2.0.0
|
|
*/
|
|
public function calculate_fees() {
|
|
do_action( 'woocommerce_cart_calculate_fees', $this );
|
|
}
|
|
|
|
/**
|
|
* Return reference to fees API.
|
|
*
|
|
* @since 3.2.0
|
|
* @return WC_Cart_Fees
|
|
*/
|
|
public function fees_api() {
|
|
return $this->fees_api;
|
|
}
|
|
|
|
/**
|
|
* Add additional fee to the cart.
|
|
*
|
|
* This method should be called on a callback attached to the
|
|
* woocommerce_cart_calculate_fees action during cart/checkout. Fees do not
|
|
* persist.
|
|
*
|
|
* @uses WC_Cart_Fees::add_fee
|
|
* @param string $name Unique name for the fee. Multiple fees of the same name cannot be added.
|
|
* @param float $amount Fee amount (do not enter negative amounts).
|
|
* @param bool $taxable Is the fee taxable? (default: false).
|
|
* @param string $tax_class The tax class for the fee if taxable. A blank string is standard tax class. (default: '').
|
|
*/
|
|
public function add_fee( $name, $amount, $taxable = false, $tax_class = '' ) {
|
|
$this->fees_api()->add_fee(
|
|
array(
|
|
'name' => $name,
|
|
'amount' => (float) $amount,
|
|
'taxable' => $taxable,
|
|
'tax_class' => $tax_class,
|
|
)
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Return all added fees from the Fees API.
|
|
*
|
|
* @uses WC_Cart_Fees::get_fees
|
|
* @return array
|
|
*/
|
|
public function get_fees() {
|
|
$fees = $this->fees_api()->get_fees();
|
|
|
|
if ( property_exists( $this, 'fees' ) ) {
|
|
$fees = $fees + (array) $this->fees;
|
|
}
|
|
return $fees;
|
|
}
|
|
|
|
/**
|
|
* Gets the total excluding taxes.
|
|
*
|
|
* @return string formatted price
|
|
*/
|
|
public function get_total_ex_tax() {
|
|
return apply_filters( 'woocommerce_cart_total_ex_tax', wc_price( max( 0, $this->get_total( 'edit' ) - $this->get_total_tax() ) ) );
|
|
}
|
|
|
|
/**
|
|
* Gets the cart contents total (after calculation).
|
|
*
|
|
* @return string formatted price
|
|
*/
|
|
public function get_cart_total() {
|
|
return apply_filters( 'woocommerce_cart_contents_total', wc_price( wc_prices_include_tax() ? $this->get_cart_contents_total() + $this->get_cart_contents_tax() : $this->get_cart_contents_total() ) );
|
|
}
|
|
|
|
/**
|
|
* Gets the sub total (after calculation).
|
|
*
|
|
* @param bool $compound whether to include compound taxes.
|
|
* @return string formatted price
|
|
*/
|
|
public function get_cart_subtotal( $compound = false ) {
|
|
/**
|
|
* If the cart has compound tax, we want to show the subtotal as cart + shipping + non-compound taxes (after discount).
|
|
*/
|
|
if ( $compound ) {
|
|
$cart_subtotal = wc_price( $this->get_cart_contents_total() + $this->get_shipping_total() + $this->get_taxes_total( false, false ) );
|
|
|
|
} elseif ( $this->display_prices_including_tax() ) {
|
|
$cart_subtotal = wc_price( $this->get_subtotal() + $this->get_subtotal_tax() );
|
|
|
|
if ( $this->get_subtotal_tax() > 0 && ! wc_prices_include_tax() ) {
|
|
$cart_subtotal .= ' <small class="tax_label">' . WC()->countries->inc_tax_or_vat() . '</small>';
|
|
}
|
|
} else {
|
|
$cart_subtotal = wc_price( $this->get_subtotal() );
|
|
|
|
if ( $this->get_subtotal_tax() > 0 && wc_prices_include_tax() ) {
|
|
$cart_subtotal .= ' <small class="tax_label">' . WC()->countries->ex_tax_or_vat() . '</small>';
|
|
}
|
|
}
|
|
|
|
return apply_filters( 'woocommerce_cart_subtotal', $cart_subtotal, $compound, $this );
|
|
}
|
|
|
|
/**
|
|
* Get the product row price per item.
|
|
*
|
|
* @param WC_Product $product Product object.
|
|
* @return string formatted price
|
|
*/
|
|
public function get_product_price( $product ) {
|
|
if ( $this->display_prices_including_tax() ) {
|
|
$product_price = wc_get_price_including_tax( $product );
|
|
} else {
|
|
$product_price = wc_get_price_excluding_tax( $product );
|
|
}
|
|
return apply_filters( 'woocommerce_cart_product_price', wc_price( $product_price ), $product );
|
|
}
|
|
|
|
/**
|
|
* Get the product row subtotal.
|
|
*
|
|
* Gets the tax etc to avoid rounding issues.
|
|
*
|
|
* When on the checkout (review order), this will get the subtotal based on the customer's tax rate rather than the base rate.
|
|
*
|
|
* @param WC_Product $product Product object.
|
|
* @param int $quantity Quantity being purchased.
|
|
* @return string formatted price
|
|
*/
|
|
public function get_product_subtotal( $product, $quantity ) {
|
|
$price = $product->get_price();
|
|
|
|
if ( $product->is_taxable() ) {
|
|
|
|
if ( $this->display_prices_including_tax() ) {
|
|
$row_price = wc_get_price_including_tax( $product, array( 'qty' => $quantity ) );
|
|
$product_subtotal = wc_price( $row_price );
|
|
|
|
if ( ! wc_prices_include_tax() && $this->get_subtotal_tax() > 0 ) {
|
|
$product_subtotal .= ' <small class="tax_label">' . WC()->countries->inc_tax_or_vat() . '</small>';
|
|
}
|
|
} else {
|
|
$row_price = wc_get_price_excluding_tax( $product, array( 'qty' => $quantity ) );
|
|
$product_subtotal = wc_price( $row_price );
|
|
|
|
if ( wc_prices_include_tax() && $this->get_subtotal_tax() > 0 ) {
|
|
$product_subtotal .= ' <small class="tax_label">' . WC()->countries->ex_tax_or_vat() . '</small>';
|
|
}
|
|
}
|
|
} else {
|
|
$row_price = $price * $quantity;
|
|
$product_subtotal = wc_price( $row_price );
|
|
}
|
|
|
|
return apply_filters( 'woocommerce_cart_product_subtotal', $product_subtotal, $product, $quantity, $this );
|
|
}
|
|
|
|
/**
|
|
* Gets the cart tax (after calculation).
|
|
*
|
|
* @return string formatted price
|
|
*/
|
|
public function get_cart_tax() {
|
|
$cart_total_tax = wc_round_tax_total( $this->get_cart_contents_tax() + $this->get_shipping_tax() + $this->get_fee_tax() );
|
|
|
|
return apply_filters( 'woocommerce_get_cart_tax', $cart_total_tax ? wc_price( $cart_total_tax ) : '' );
|
|
}
|
|
|
|
/**
|
|
* Get a tax amount.
|
|
*
|
|
* @param string $tax_rate_id ID of the tax rate to get taxes for.
|
|
* @return float amount
|
|
*/
|
|
public function get_tax_amount( $tax_rate_id ) {
|
|
$taxes = wc_array_merge_recursive_numeric( $this->get_cart_contents_taxes(), $this->get_fee_taxes() );
|
|
return isset( $taxes[ $tax_rate_id ] ) ? $taxes[ $tax_rate_id ] : 0;
|
|
}
|
|
|
|
/**
|
|
* Get a tax amount.
|
|
*
|
|
* @param string $tax_rate_id ID of the tax rate to get taxes for.
|
|
* @return float amount
|
|
*/
|
|
public function get_shipping_tax_amount( $tax_rate_id ) {
|
|
$taxes = $this->get_shipping_taxes();
|
|
return isset( $taxes[ $tax_rate_id ] ) ? $taxes[ $tax_rate_id ] : 0;
|
|
}
|
|
|
|
/**
|
|
* Get tax row amounts with or without compound taxes includes.
|
|
*
|
|
* @param bool $compound True if getting compound taxes.
|
|
* @param bool $display True if getting total to display.
|
|
* @return float price
|
|
*/
|
|
public function get_taxes_total( $compound = true, $display = true ) {
|
|
$total = 0;
|
|
$taxes = $this->get_taxes();
|
|
foreach ( $taxes as $key => $tax ) {
|
|
if ( ! $compound && WC_Tax::is_compound( $key ) ) {
|
|
continue;
|
|
}
|
|
$total += wc_round_tax_total( $tax );
|
|
}
|
|
if ( $display ) {
|
|
$total = wc_format_decimal( $total, wc_get_price_decimals() );
|
|
}
|
|
return apply_filters( 'woocommerce_cart_taxes_total', $total, $compound, $display, $this );
|
|
}
|
|
|
|
/**
|
|
* Gets the total discount amount.
|
|
*
|
|
* @return mixed formatted price or false if there are none
|
|
*/
|
|
public function get_total_discount() {
|
|
return apply_filters( 'woocommerce_cart_total_discount', $this->get_discount_total() ? wc_price( $this->get_discount_total() ) : false, $this );
|
|
}
|
|
|
|
/**
|
|
* Reset cart totals to the defaults. Useful before running calculations.
|
|
*/
|
|
private function reset_totals() {
|
|
$this->totals = $this->default_totals;
|
|
$this->fees_api->remove_all_fees();
|
|
do_action( 'woocommerce_cart_reset', $this, false );
|
|
}
|
|
|
|
/**
|
|
* Returns 'incl' if tax should be included in cart, otherwise returns 'excl'.
|
|
*
|
|
* @return string
|
|
*/
|
|
private function is_tax_displayed() {
|
|
if ( $this->get_customer() && $this->get_customer()->get_is_vat_exempt() ) {
|
|
return 'excl';
|
|
}
|
|
|
|
return get_option( 'woocommerce_tax_display_cart' );
|
|
}
|
|
|
|
/**
|
|
* Returns the hash based on cart contents.
|
|
*
|
|
* @since 3.6.0
|
|
* @return string hash for cart content
|
|
*/
|
|
public function get_cart_hash() {
|
|
$cart_session = $this->session->get_cart_for_session();
|
|
$hash = $cart_session ? md5( wp_json_encode( $cart_session ) . $this->get_total( 'edit' ) ) : '';
|
|
$hash = apply_filters_deprecated( 'woocommerce_add_to_cart_hash', array( $hash, $cart_session ), '3.6.0', 'woocommerce_cart_hash' );
|
|
|
|
return apply_filters( 'woocommerce_cart_hash', $hash, $cart_session );
|
|
}
|
|
}
|