woocommerce/includes/data-stores/class-wc-order-item-coupon-...

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<?php
/**
* Class WC_Order_Item_Coupon_Data_Store file.
*
* @package WooCommerce\DataStores
*/
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if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* WC Order Item Coupon Data Store
*
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* @version 3.0.0
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*/
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class WC_Order_Item_Coupon_Data_Store extends Abstract_WC_Order_Item_Type_Data_Store implements WC_Object_Data_Store_Interface, WC_Order_Item_Type_Data_Store_Interface {
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/**
* Data stored in meta keys.
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*
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* @since 3.0.0
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* @var array
*/
protected $internal_meta_keys = array( 'discount_amount', 'discount_amount_tax' );
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/**
* Read/populate data properties specific to this order item.
*
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* @since 3.0.0
* @param WC_Order_Item_Coupon $item Coupon order item.
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*/
public function read( &$item ) {
parent::read( $item );
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$id = $item->get_id();
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$item->set_props(
array(
'discount' => get_metadata( 'order_item', $id, 'discount_amount', true ),
'discount_tax' => get_metadata( 'order_item', $id, 'discount_amount_tax', true ),
)
);
$item->set_object_read( true );
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}
/**
* Saves an item's data to the database / item meta.
* Ran after both create and update, so $item->get_id() will be set.
*
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* @since 3.0.0
* @param WC_Order_Item_Coupon $item Coupon order item.
*/
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public function save_item_data( &$item ) {
$id = $item->get_id();
$save_values = array(
'discount_amount' => $item->get_discount( 'edit' ),
'discount_amount_tax' => $item->get_discount_tax( 'edit' ),
);
foreach ( $save_values as $key => $value ) {
update_metadata( 'order_item', $id, $key, $value );
}
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}
}