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<?php
/**
* WC Admin Order Trait
*
* WC Admin Order Trait class that houses shared functionality across order and refund classes.
*/
namespace Automattic\WooCommerce\Admin\Overrides;
defined( 'ABSPATH' ) || exit;
/**
* OrderTraits class.
*/
trait OrderTraits {
/**
* Calculate shipping amount for line item/product as a total shipping amount ratio based on quantity.
*
* @param WC_Order_Item $item Line item from order.
* @param int $order_items_count (optional) The number of order items in an order. This could be the remaining items left to refund.
* @param float $shipping_amount (optional) The shipping fee amount in an order. This could be the remaining shipping amount left to refund.
*
* @return float|int
*/
public function get_item_shipping_amount( $item, $order_items_count = null, $shipping_amount = null ) {
// Shipping amount loosely based on woocommerce code in includes/admin/meta-boxes/views/html-order-item(s).php
// distributed simply based on number of line items.
$product_qty = $item->get_quantity( 'edit' );
// Use the passed order_items_count if provided, otherwise get the total number of items in the order.
// This is useful when calculating refunds for partial items in an order.
// For example, if 2 items are refunded from an order with 4 items. The remaining 2 items should have the shipping fee of the refunded items distributed to them.
$order_items = null !== $order_items_count ? $order_items_count : $this->get_item_count();
if ( 0 === $order_items ) {
return 0;
}
// Use the passed shipping_amount if provided, otherwise get the total shipping amount in the order.
// This is useful when calculating refunds for partial shipping in an order.
// For example, if $10 shipping is refunded from an order with $30 shipping, the remaining $20 should be distributed to the remaining items.
$total_shipping_amount = null !== $shipping_amount ? $shipping_amount : (float) $this->get_shipping_total();
return $total_shipping_amount / $order_items * $product_qty;
}
/**
* Calculate shipping tax amount for line item/product as a total shipping tax amount ratio based on quantity.
*
* Loosely based on code in includes/admin/meta-boxes/views/html-order-item(s).php.
*
* @todo If WC is currently not tax enabled, but it was before (or vice versa), would this work correctly?
*
* @param WC_Order_Item $item Line item from order.
* @param int $order_items_count (optional) The number of order items in an order. This could be the remaining items left to refund.
* @param float $shipping_tax_amount (optional) The shipping tax amount in an order. This could be the remaining shipping tax amount left to refund.
*
* @return float|int
*/
public function get_item_shipping_tax_amount( $item, $order_items_count = null, $shipping_tax_amount = null ) {
// Use the passed order_items_count if provided, otherwise get the total number of items in the order.
// This is useful when calculating refunds for partial items in an order.
// For example, if 2 items are refunded from an order with 4 items. The remaining 2 items should have the shipping tax of the refunded items distributed to them.
$order_items = null !== $order_items_count ? $order_items_count : $this->get_item_count();
if ( 0 === $order_items ) {
return 0;
}
// Use the passed shipping_tax_amount if provided, otherwise initialize it to 0 and calculate the total shipping tax amount in the order.
// This is useful when calculating refunds for partial shipping tax in an order.
// For example, if $1 shipping tax is refunded from an order with $3 shipping tax, the remaining $2 should be distributed to the remaining items.
$total_shipping_tax_amount = $shipping_tax_amount ? $shipping_tax_amount : 0;
if ( null === $shipping_tax_amount ) {
$order_taxes = $this->get_taxes();
$line_items_shipping = $this->get_items( 'shipping' );
foreach ( $line_items_shipping as $item_id => $shipping_item ) {
$tax_data = $shipping_item->get_taxes();
if ( $tax_data ) {
foreach ( $order_taxes as $tax_item ) {
$tax_item_id = $tax_item->get_rate_id();
$tax_item_total = isset( $tax_data['total'][ $tax_item_id ] ) ? (float) $tax_data['total'][ $tax_item_id ] : 0;
$total_shipping_tax_amount += $tax_item_total;
}
}
}
}
$product_qty = $item->get_quantity( 'edit' );
return $total_shipping_tax_amount / $order_items * $product_qty;
}
/**
* Calculates coupon amount for specified line item/product.
*
* Coupon calculation based on woocommerce code in includes/admin/meta-boxes/views/html-order-item.php.
*
* @param WC_Order_Item $item Line item from order.
*
* @return float
*/
public function get_item_coupon_amount( $item ) {
return floatval( $item->get_subtotal( 'edit' ) - $item->get_total( 'edit' ) );
}
/**
* Calculate cart tax amount for line item/product.
*
* @param WC_Order_Item $item Line item from order.
*
* @return float
*/
public function get_item_cart_tax_amount( $item ) {
$order_taxes = $this->get_taxes();
$tax_data = $item->get_taxes();
$cart_tax_amount = 0.0;
foreach ( $order_taxes as $tax_item ) {
$tax_item_id = $tax_item->get_rate_id();
$cart_tax_amount += isset( $tax_data['total'][ $tax_item_id ] ) ? (float) $tax_data['total'][ $tax_item_id ] : 0;
}
return $cart_tax_amount;
}
}
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