woothemes/woocommerce

<?php
/**
 * WC Order Item Shipping Data Store
 *
 * @version 3.0.0
 * @package WooCommerce\DataStores
 */

if ( ! defined( 'ABSPATH' ) ) {
    exit;
}

/**
 * WC_Order_Item_Shipping_Data_Store class.
 */
class WC_Order_Item_Shipping_Data_Store extends Abstract_WC_Order_Item_Type_Data_Store implements WC_Object_Data_Store_Interface, WC_Order_Item_Type_Data_Store_Interface {

    /**
     * Data stored in meta keys.
     *
     * @since 3.0.0
     * @var array
     */
    protected $internal_meta_keys = array( 'method_id', 'instance_id', 'cost', 'total_tax', 'taxes' );

    /**
     * Read/populate data properties specific to this order item.
     *
     * @since 3.0.0
     * @param WC_Order_Item_Shipping $item Item to read to.
     * @throws Exception If invalid shipping order item.
     */
    public function read( &$item ) {
        parent::read( $item );
        $id = $item->get_id();
        $item->set_props(
            array(
                'method_id'   => get_metadata( 'order_item', $id, 'method_id', true ),
                'instance_id' => get_metadata( 'order_item', $id, 'instance_id', true ),
                'total'       => get_metadata( 'order_item', $id, 'cost', true ),
                'taxes'       => get_metadata( 'order_item', $id, 'taxes', true ),
            )
        );

        // BW compat.
        if ( '' === $item->get_instance_id() && strstr( $item->get_method_id(), ':' ) ) {
            $legacy_method_id = explode( ':', $item->get_method_id() );
            $item->set_method_id( $legacy_method_id[0] );
            $item->set_instance_id( $legacy_method_id[1] );
        }

        $item->set_object_read( true );
    }

    /**
     * Saves an item's data to the database / item meta.
     * Ran after both create and update, so $id will be set.
     *
     * @since 3.0.0
     * @param WC_Order_Item_Shipping $item Item to save.
     */
    public function save_item_data( &$item ) {
        $id                = $item->get_id();
        $changes           = $item->get_changes();
        $meta_key_to_props = array(
            'method_id'   => 'method_id',
            'instance_id' => 'instance_id',
            'cost'        => 'total',
            'total_tax'   => 'total_tax',
            'taxes'       => 'taxes',
        );
        $props_to_update   = $this->get_props_to_update( $item, $meta_key_to_props, 'order_item' );

        foreach ( $props_to_update as $meta_key => $prop ) {
            update_metadata( 'order_item', $id, $meta_key, $item->{"get_$prop"}( 'edit' ) );
        }
    }
}