664 lines
17 KiB
PHP
664 lines
17 KiB
PHP
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<?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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* Order/cart totals calculation class.
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*
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* @author Automattic
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* @package WooCommerce/Classes
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* @version 3.2.0
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* @since 3.2.0
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*/
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class WC_Totals {
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/**
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* Line items to calculate.
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*
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* @var array
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*/
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protected $items = array();
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/**
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* Coupons to calculate.
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*
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* @var array
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*/
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protected $coupons = array();
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/**
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* Fees to calculate.
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*
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* @var array
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*/
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protected $fees = array();
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/**
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* Shipping to calculate.
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*
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* @var array
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*/
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protected $shipping_lines = array();
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/**
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* Stores totals.
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*
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* @var array
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*/
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protected $totals = null;
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/**
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* Precision so we can work in cents.
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*
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* @var int
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*/
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protected $precision = 1;
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/**
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* Constructor.
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*/
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public function __construct() {
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$this->precision = pow( 10, wc_get_price_decimals() );
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$this->set_totals( $this->get_default_totals() );
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}
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/**
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* Remove precision from a price.
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*
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* @param int $value
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* @return float
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*/
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protected function remove_precision( $value ) {
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return wc_format_decimal( $value / $this->precision, wc_get_price_decimals() );
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}
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/**
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* Get default totals.
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* @return array
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*/
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protected function get_default_totals() {
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return array(
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'fees_total' => 0,
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'fees_total_tax' => 0,
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'items_subtotal' => 0,
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'items_subtotal_tax' => 0,
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'items_total' => 0,
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'items_total_tax' => 0,
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'item_totals' => array(),
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'total' => 0,
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'taxes' => array(),
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'tax_total' => 0,
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'shipping_total' => 0,
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'shipping_tax_total' => 0,
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);
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}
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/**
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* Get default blank set of props used per item.
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* @return array
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*/
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protected function get_default_item_props() {
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return (object) array(
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'price_includes_tax' => wc_prices_include_tax(),
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'subtotal' => 0,
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'subtotal_tax' => 0,
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'subtotal_taxes' => array(),
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'total' => 0,
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'total_tax' => 0,
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'taxes' => array(),
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'discounted_price' => 0,
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);
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}
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/**
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* Get default blank set of props used per coupon.
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* @return array
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*/
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protected function get_default_coupon_props() {
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return (object) array(
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'count' => 0,
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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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/**
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* Get default blank set of props used per fee.
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* @return array
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*/
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protected function get_default_fee_props() {
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return (object) array(
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'total_tax' => 0,
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'taxes' => array(),
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);
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}
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/**
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* Get default blank set of props used per shipping row.
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* @return array
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*/
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protected function get_default_shipping_props() {
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return (object) array(
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'total' => 0,
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'total_tax' => 0,
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'taxes' => array(),
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);
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}
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/**
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* Sort items by the subtotal.
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*
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* @param object $a
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* @param object $b
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* @return int
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*/
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protected function sort_items_callback( $a, $b ) {
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$b->subtotal = isset( $a->subtotal ) ? $a->subtotal : 0;
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$b->subtotal = isset( $b->subtotal ) ? $b->subtotal : 0;
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return $b->subtotal === $b->subtotal ? 0 : ( $b->subtotal < $b->subtotal ? 1 : -1 );
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}
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/**
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* Only ran if woocommerce_adjust_non_base_location_prices is true.
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*
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* If the customer is outside of the base location, this removes the base
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* taxes. This is off by default unless the filter is used.
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*/
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protected function adjust_non_base_location_price( $item ) {
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$base_tax_rates = WC_Tax::get_base_tax_rates( $item->product->tax_class );
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$item_tax_rates = $this->get_item_tax_rates( $item );
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if ( $item_tax_rates !== $base_tax_rates ) {
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// Work out a new base price without the shop's base tax
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$taxes = WC_Tax::calc_tax( $item->price, $base_tax_rates, true, true );
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// Now we have a new item price (excluding TAX)
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$item->price = $item->price - array_sum( $taxes );
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$item->price_includes_tax = false;
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}
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return $item;
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}
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/*
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|--------------------------------------------------------------------------
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| Calculation methods.
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|--------------------------------------------------------------------------
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*/
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/**
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* Run all calculations methods on the given items.
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*/
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public function calculate() {
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$this->calculate_item_subtotals();
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$this->calculate_item_totals();
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$this->calculate_fee_totals();
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$this->calculate_shipping_totals();
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$this->calculate_totals();
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}
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/**
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* Subtotals are costs before discounts.
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*
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* To prevent rounding issues we need to work with the inclusive price where possible.
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* otherwise we'll see errors such as when working with a 9.99 inc price, 20% VAT which would.
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* be 8.325 leading to totals being 1p off.
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*
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* Pre tax coupons come off the price the customer thinks they are paying - tax is calculated.
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* afterwards.
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*
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* e.g. $100 bike with $10 coupon = customer pays $90 and tax worked backwards from that.
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*/
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protected function calculate_item_subtotals() {
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foreach ( $this->items as $item ) {
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$item->subtotal = $item->price * $item->quantity;
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$item->subtotal_tax = 0;
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if ( $item->price_includes_tax && apply_filters( 'woocommerce_adjust_non_base_location_prices', true ) ) {
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$item = $this->adjust_non_base_location_price( $item );
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$item->subtotal = $item->price * $item->quantity;
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}
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if ( $this->wc_tax_enabled() && $item->product->is_taxable() ) {
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$item->subtotal_taxes = WC_Tax::calc_tax( $item->subtotal, $this->get_item_tax_rates( $item ), $item->price_includes_tax );
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$item->subtotal_tax = array_sum( $item->subtotal_taxes );
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if ( $item->price_includes_tax ) {
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$item->subtotal = $item->subtotal - $item->subtotal_tax;
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}
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}
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}
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uasort( $this->items, array( $this, 'sort_items_callback' ) );
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$this->set_items_subtotal( array_sum( array_values( wp_list_pluck( $this->items, 'subtotal' ) ) ) );
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$this->set_items_subtotal_tax( array_sum( array_values( wp_list_pluck( $this->items, 'subtotal_tax' ) ) ) );
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}
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/**
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* Totals are costs after discounts.
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*/
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public function calculate_item_totals() {
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foreach ( $this->items as $item ) {
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// ! @todo
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//$item->discounted_price = $this->get_discounted_price( $item );
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$item->total = $item->discounted_price * $item->quantity;
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$item->total_tax = 0;
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if ( $this->wc_tax_enabled() && $item->product->is_taxable() ) {
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$item->taxes = WC_Tax::calc_tax( $item->total, $this->get_item_tax_rates( $item ), $item->price_includes_tax );
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$item->total_tax = array_sum( $item->taxes );
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if ( $item->price_includes_tax ) {
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$item->total = $item->total - $item->total_tax;
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} else {
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$item->total = $item->total;
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}
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}
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}
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$this->set_items_total( array_sum( array_values( wp_list_pluck( $this->items, 'total' ) ) ) );
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$this->set_items_total_tax( array_sum( array_values( wp_list_pluck( $this->items, 'total_tax' ) ) ) );
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//$this->set_coupon_totals( wp_list_pluck( $this->coupons, 'total' ) );
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//$this->set_coupon_tax_totals( wp_list_pluck( $this->coupons, 'total_tax' ) );
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//$this->set_coupon_counts( wp_list_pluck( $this->coupons, 'count' ) );
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//$this->set_item_totals( $this->items );
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}
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/**
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* Calculate any fees taxes.
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*/
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protected function calculate_fee_totals() {
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if ( ! empty( $this->fees ) ) {
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foreach ( $this->fees as $fee_key => $fee ) {
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if ( $this->wc_tax_enabled() && $fee->taxable ) {
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$fee->taxes = WC_Tax::calc_tax( $fee->total, $tax_rates, false );
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$fee->total_tax = array_sum( $fee->taxes );
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}
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}
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}
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$this->set_fees_total( array_sum( array_values( wp_list_pluck( $this->fees, 'total' ) ) ) );
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$this->set_fees_total_tax( array_sum( array_values( wp_list_pluck( $this->fees, 'total_tax' ) ) ) );
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}
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/**
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* Calculate any shipping taxes.
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*/
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protected function calculate_shipping_totals() {
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}
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/**
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* Main cart totals.
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*/
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public function calculate_totals() {
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$this->set_shipping_total( array_sum( array_values( wp_list_pluck( $this->shipping_lines, 'total' ) ) ) );
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$this->set_taxes( $this->get_merged_taxes() );
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// Total up/round taxes and shipping taxes
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if ( 'yes' === get_option( 'woocommerce_tax_round_at_subtotal' ) ) {
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$this->set_tax_total( WC_Tax::get_tax_total( wc_list_pluck( $this->get_taxes(), 'get_tax_total' ) ) );
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$this->set_shipping_tax_total( WC_Tax::get_tax_total( wc_list_pluck( $this->get_taxes(), 'get_shipping_tax_total' ) ) );
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} else {
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$this->set_tax_total( array_sum( wc_list_pluck( $this->get_taxes(), 'get_tax_total' ) ) );
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$this->set_shipping_tax_total( array_sum( wc_list_pluck( $this->get_taxes(), 'get_shipping_tax_total' ) ) );
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}
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// Allow plugins to hook and alter totals before final total is calculated
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do_action( 'woocommerce_calculate_totals', WC()->cart );
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// Grand Total - Discounted product prices, discounted tax, shipping cost + tax
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$this->set_total( apply_filters( 'woocommerce_calculated_total', round( $this->get_items_total() + $this->get_fees_total() + $this->get_shipping_total() + $this->get_tax_total() + $this->get_shipping_tax_total(), wc_get_price_decimals() ), WC()->cart ) );
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}
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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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*/
|
||
|
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/**
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* Set all totals.
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* @param array $value
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*/
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public function set_totals( $value ) {
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$value = wp_parse_args( $value, $this->get_default_totals() );
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$this->totals = $value;
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}
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/**
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* Set cart/order items which will be discounted.
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*
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* @since 3.2.0
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* @param array $raw_items List of raw cart or order items.
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*/
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public function set_items( $raw_items ) {
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$this->items = array();
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if ( ! empty( $raw_items ) && is_array( $raw_items ) ) {
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foreach ( $raw_items as $raw_item ) {
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$item = (object) array(
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'price' => 0, // Line price without discounts, in cents.
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'quantity' => 0, // Line qty.
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'product' => false,
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);
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if ( is_a( $raw_item, 'WC_Cart_Item' ) ) {
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//$item->quantity = $raw_item->get_quantity();
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//$item->price = $raw_item->get_price() * $raw_item->get_quantity();
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//$item->is_taxable = $raw_item->is_taxable();
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//$item->tax_class = $raw_item->get_tax_class();
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// @todo
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} elseif ( is_a( $raw_item, 'WC_Order_Item_Product' ) ) {
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$item->key = $raw_item->get_id();
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$item->quantity = $raw_item->get_quantity();
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$item->price = $raw_item->get_subtotal() * $this->precision;
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$item->product = $raw_item->get_product();
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||
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} else {
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$item->key = $raw_item['key'];
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$item->quantity = $raw_item['quantity'];
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||
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$item->price = $raw_item['data']->get_price() * $this->precision * $raw_item['quantity'];
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||
|
|
$item->product = $raw_item['data'];
|
||
|
|
}
|
||
|
|
$this->items[ $item->key ] = $item;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set coupons.
|
||
|
|
* @param array $coupons
|
||
|
|
*/
|
||
|
|
public function set_coupons( $coupons ) {
|
||
|
|
foreach ( $coupons as $code => $coupon_object ) {
|
||
|
|
$coupon = $this->get_default_coupon_props();
|
||
|
|
$coupon->coupon = $coupon_object;
|
||
|
|
$this->coupons[ $code ] = $coupon;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set fees.
|
||
|
|
* @param array $fees
|
||
|
|
*/
|
||
|
|
public function set_fees( $fees ) {
|
||
|
|
foreach ( $fees as $fee_key => $fee_object ) {
|
||
|
|
$fee = $this->get_default_fee_props();
|
||
|
|
$fee->total = $fee_object->amount;
|
||
|
|
$fee->taxable = $fee_object->taxable;
|
||
|
|
$fee->tax_class = $fee_object->tax_class;
|
||
|
|
$this->fees[ $fee_key ] = $fee;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set shipping lines.
|
||
|
|
* @param array
|
||
|
|
*/
|
||
|
|
public function set_shipping( $shipping_objects ) {
|
||
|
|
$this->shipping_lines = array();
|
||
|
|
|
||
|
|
if ( is_array( $shipping_objects ) ) {
|
||
|
|
foreach ( $shipping_objects as $key => $shipping_object ) {
|
||
|
|
$shipping = $this->get_default_shipping_props();
|
||
|
|
$shipping->total = $shipping_object->cost;
|
||
|
|
$shipping->taxes = $shipping_object->taxes;
|
||
|
|
$shipping->total_tax = array_sum( $shipping_object->taxes );
|
||
|
|
$this->shipping_lines[ $key ] = $shipping;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set taxes.
|
||
|
|
* @param array $value
|
||
|
|
*/
|
||
|
|
protected function set_taxes( $value ) {
|
||
|
|
$this->totals['taxes'] = $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set tax total.
|
||
|
|
* @param float $value
|
||
|
|
*/
|
||
|
|
protected function set_tax_total( $value ) {
|
||
|
|
$this->totals['tax_total'] = $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set shipping total.
|
||
|
|
* @param float $value
|
||
|
|
*/
|
||
|
|
protected function set_shipping_total( $value ) {
|
||
|
|
$this->totals['shipping_total'] = $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set shipping tax total.
|
||
|
|
* @param float $value
|
||
|
|
*/
|
||
|
|
protected function set_shipping_tax_total( $value ) {
|
||
|
|
$this->totals['shipping_tax_total'] = $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set item totals.
|
||
|
|
* @param array $value
|
||
|
|
*/
|
||
|
|
protected function set_item_totals( $value ) {
|
||
|
|
$this->totals['item_totals'] = $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set items subtotal.
|
||
|
|
* @param float $value
|
||
|
|
*/
|
||
|
|
protected function set_items_subtotal( $value ) {
|
||
|
|
$this->totals['items_subtotal'] = $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set items subtotal tax.
|
||
|
|
* @param float $value
|
||
|
|
*/
|
||
|
|
protected function set_items_subtotal_tax( $value ) {
|
||
|
|
$this->totals['items_subtotal_tax'] = $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set items total.
|
||
|
|
* @param float $value
|
||
|
|
*/
|
||
|
|
protected function set_items_total( $value ) {
|
||
|
|
$this->totals['items_total'] = $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set items total tax.
|
||
|
|
* @param float $value
|
||
|
|
*/
|
||
|
|
protected function set_items_total_tax( $value ) {
|
||
|
|
$this->totals['items_total_tax'] = $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set fees total.
|
||
|
|
* @param float $value
|
||
|
|
*/
|
||
|
|
protected function set_fees_total( $value ) {
|
||
|
|
$this->totals['fees_total'] = $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set fees total tax.
|
||
|
|
* @param float $value
|
||
|
|
*/
|
||
|
|
protected function set_fees_total_tax( $value ) {
|
||
|
|
$this->totals['fees_total_tax'] = $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set total.
|
||
|
|
* @param float $value
|
||
|
|
*/
|
||
|
|
protected function set_total( $value ) {
|
||
|
|
$this->totals['total'] = max( 0, $value );
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
|--------------------------------------------------------------------------
|
||
|
|
| Getters.
|
||
|
|
|--------------------------------------------------------------------------
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get all totals.
|
||
|
|
* @return array.
|
||
|
|
*/
|
||
|
|
public function get_totals() {
|
||
|
|
return $this->totals;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get shipping and item taxes.
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function get_taxes() {
|
||
|
|
return $this->totals['taxes'];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get tax total.
|
||
|
|
* @return float
|
||
|
|
*/
|
||
|
|
public function get_tax_total() {
|
||
|
|
return $this->totals['tax_total'];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get shipping total.
|
||
|
|
* @return float
|
||
|
|
*/
|
||
|
|
public function get_shipping_total() {
|
||
|
|
return $this->totals['shipping_total'];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get shipping tax total.
|
||
|
|
* @return float
|
||
|
|
*/
|
||
|
|
public function get_shipping_tax_total() {
|
||
|
|
return $this->totals['shipping_tax_total'];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the items subtotal.
|
||
|
|
* @return float
|
||
|
|
*/
|
||
|
|
public function get_items_subtotal() {
|
||
|
|
return $this->totals['items_subtotal'];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the items subtotal tax.
|
||
|
|
* @return float
|
||
|
|
*/
|
||
|
|
public function get_items_subtotal_tax() {
|
||
|
|
return $this->totals['items_subtotal_tax'];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the items total.
|
||
|
|
* @return float
|
||
|
|
*/
|
||
|
|
public function get_items_total() {
|
||
|
|
return $this->totals['items_total'];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the items total tax.
|
||
|
|
* @return float
|
||
|
|
*/
|
||
|
|
public function get_items_total_tax() {
|
||
|
|
return $this->totals['items_total_tax'];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the total fees amount.
|
||
|
|
* @return float
|
||
|
|
*/
|
||
|
|
public function get_fees_total() {
|
||
|
|
return $this->totals['fees_total'];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the total fee tax amount.
|
||
|
|
* @return float
|
||
|
|
*/
|
||
|
|
public function get_fees_total_tax() {
|
||
|
|
return $this->totals['fees_total_tax'];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the total.
|
||
|
|
* @return float
|
||
|
|
*/
|
||
|
|
public function get_total() {
|
||
|
|
return $this->totals['total'];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns an array of item totals.
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function get_item_totals() {
|
||
|
|
return $this->totals['item_totals'];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get tax rates for an item. Caches rates in class to avoid multiple look ups.
|
||
|
|
* @param object $item
|
||
|
|
* @return array of taxes
|
||
|
|
*/
|
||
|
|
protected function get_item_tax_rates( $item ) {
|
||
|
|
$tax_class = $item->product->get_tax_class();
|
||
|
|
return isset( $this->item_tax_rates[ $tax_class ] ) ? $this->item_tax_rates[ $tax_class ] : $this->item_tax_rates[ $tax_class ] = WC_Tax::get_rates( $item->product->get_tax_class() );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get all tax rows for a set of items and shipping methods.
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
protected function get_merged_taxes() {
|
||
|
|
$taxes = array();
|
||
|
|
|
||
|
|
foreach ( $this->items as $item ) {
|
||
|
|
foreach ( $item->taxes as $rate_id => $rate ) {
|
||
|
|
if ( ! isset( $taxes[ $rate_id ] ) ) {
|
||
|
|
$taxes[ $rate_id ] = new WC_Item_Tax();
|
||
|
|
}
|
||
|
|
$taxes[ $rate_id ]->set_rate( $rate_id );
|
||
|
|
$taxes[ $rate_id ]->set_tax_total( $taxes[ $rate_id ]->get_tax_total() + $rate );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach ( $this->shipping_lines as $item ) {
|
||
|
|
foreach ( $item->taxes as $rate_id => $rate ) {
|
||
|
|
if ( ! isset( $taxes[ $rate_id ] ) ) {
|
||
|
|
$taxes[ $rate_id ] = new WC_Item_Tax();
|
||
|
|
}
|
||
|
|
$taxes[ $rate_id ]->set_rate( $rate_id );
|
||
|
|
$taxes[ $rate_id ]->set_shipping_tax_total( $taxes[ $rate_id ]->get_shipping_tax_total() + $rate );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $taxes;
|
||
|
|
}
|
||
|
|
}
|