512 lines
16 KiB
PHP
512 lines
16 KiB
PHP
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<?php
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/**
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* Refund Validator
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*
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* @package easy-digital-downloads
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* @copyright Copyright (c) 2021, Sandhills Development, LLC
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* @license GPL2+
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* @since 3.0
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*/
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namespace EDD\Orders;
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use EDD\Utils\Exception;
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use EDD\Utils\Exceptions\Invalid_Argument;
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class Refund_Validator {
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/**
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* Original order being refunded.
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*
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* @var Order
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*/
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protected $order;
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/**
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* All fees and credits associated with the original order. Includes both order-level and order-item-level.
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*
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* @var Order_Adjustment[]
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*/
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protected $order_adjustments;
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/**
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* Array of order item IDs and amounts to refund. If empty, then all items will be refunded.
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*
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* @var array
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*/
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protected $order_items_to_refund;
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/**
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* Array of adjustment IDs and amounts to refund. If empty, then no adjustments are refunded.
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*
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* @var array
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*/
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protected $adjustments_to_refund;
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/**
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* Final subtotal for the refund. Includes all selected order items and adjustments.
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*
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* @var float
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*/
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public $subtotal = 0.00;
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/**
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* Final tax amount to refund. Includes all selected order items and adjustments.
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*
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* @var float
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*/
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public $tax = 0.00;
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/**
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* Final total for the refund (subtotal + tax). Includes all selected order items and adjustments.
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*
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* @var float
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*/
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public $total = 0.00;
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/**
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* Refund_Validator constructor.
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*
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* @param Order $order
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* @param array|string $order_items
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* @param array|string $adjustments
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*
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* @throws \Exception
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*/
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public function __construct( Order $order, $order_items = 'all', $adjustments = 'all' ) {
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$this->order = $order;
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$this->order_adjustments = $this->get_order_adjustments();
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$this->order_items_to_refund = $this->validate_and_format_order_items( $order_items );
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$this->adjustments_to_refund = $this->validate_and_format_adjustments( $adjustments );
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}
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/**
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* Returns all refund-eligible adjustments associated with the order.
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* Note that this doesn't exclude items that have already reached their refund max; it just
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* returns all objects that could possibly be refunded. (Essentially `discount` adjustments
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* are excluded.)
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*
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* @since 3.0
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* @return Order_Adjustment[]
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*/
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private function get_order_adjustments() {
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$fees = $this->order->get_fees();
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$credits = edd_get_order_adjustments( array(
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'object_id' => $this->order->id,
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'object_type' => 'order',
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'type' => 'credit'
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) );
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return array_merge( $fees, $credits );
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}
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/**
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* Validates the supplied order items and does a little formatting.
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* If `all` is supplied, then all items eligible for refund are included.
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*
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* @param array|string $order_items
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*
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* @return array
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* @throws Invalid_Argument
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*/
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private function validate_and_format_order_items( $order_items ) {
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$keyed_order_items = array();
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if ( 'all' === $order_items ) {
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$order_items = $this->get_all_refundable_order_items();
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}
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if ( ! empty( $order_items ) && is_array( $order_items ) ) {
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$order_item_ids = wp_list_pluck( $this->order->items, 'id' );
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foreach ( $order_items as $order_item_data ) {
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// order_item_id must be supplied and in the list attached to the original order.
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if ( empty( $order_item_data['order_item_id'] ) || ! in_array( $order_item_data['order_item_id'], $order_item_ids ) ) {
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throw Invalid_Argument::from( 'order_item_id', __METHOD__ );
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}
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$this->validate_required_fields( $order_item_data, __METHOD__ );
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if ( ! isset( $order_item_data['total'] ) ) {
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$order_item_data['total'] = $order_item_data['subtotal'] + $order_item_data['tax'];
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}
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// Set the array key to be the order item ID for easier lookups as we go.
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$keyed_order_items[ intval( $order_item_data['order_item_id'] ) ] = $order_item_data;
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}
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}
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return $keyed_order_items;
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}
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/**
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* Returns an array of all order items that can be refunded.
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* This is used if `all` is supplied for order items.
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*
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* @since 3.0
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* @return array
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*/
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private function get_all_refundable_order_items() {
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$order_items_to_refund = array();
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foreach ( $this->order->items as $item ) {
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if ( 'refunded' !== $item->status ) {
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$order_items_to_refund[] = array_merge( array(
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'order_item_id' => $item->id,
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'quantity' => $item->quantity,
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), $item->get_refundable_amounts() );
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}
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}
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return $order_items_to_refund;
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}
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/**
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* Validates the supplied adjustments and does a little formatting.
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* If `all` is supplied, then all adjustments eligible for refund are included.
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*
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* @param array|string $adjustments
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*
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* @return array
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* @throws Invalid_Argument
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*/
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private function validate_and_format_adjustments( $adjustments ) {
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$keyed_adjustments = array();
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if ( 'all' === $adjustments ) {
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$adjustments = $this->get_all_refundable_adjustments();
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}
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if ( ! empty( $adjustments ) && is_array( $adjustments ) ) {
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$adjustment_ids = wp_list_pluck( $this->order_adjustments, 'id' );
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foreach ( $adjustments as $adjustment_data ) {
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// adjustment_id must be supplied and in the list attached to the original order/items.
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if ( empty( $adjustment_data['adjustment_id'] ) || ! in_array( $adjustment_data['adjustment_id'], $adjustment_ids ) ) {
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throw Invalid_Argument::from( 'adjustment_id', __METHOD__ );
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}
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$this->validate_required_fields( $adjustment_data, __METHOD__ );
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if ( ! isset( $adjustment_data['total'] ) ) {
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$adjustment_data['total'] = $adjustment_data['subtotal'] + $adjustment_data['tax'];
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}
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// Set the array key to be the adjustment ID for easier lookups as we go.
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$keyed_adjustments[ intval( $adjustment_data['adjustment_id'] ) ] = $adjustment_data;
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}
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}
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return $keyed_adjustments;
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}
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/**
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* Returns an array of all adjustments that can be refunded.
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* This is used if `all` is supplied for adjustments.
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*
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* @since 3.0
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* @return array
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*/
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private function get_all_refundable_adjustments() {
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$adjustments_to_refund = array();
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foreach ( $this->order_adjustments as $adjustment ) {
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if ( 'refunded' !== $adjustment->status ) {
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$adjustments_to_refund[] = array_merge( array(
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'adjustment_id' => $adjustment->id
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), $adjustment->get_refundable_amounts() );
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}
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}
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return $adjustments_to_refund;
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}
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/**
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* Validates required fields for both order items and taxes.
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*
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* @param array $input Input to be validated.
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* @param string $context Context, for error message.
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*
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* @since 3.0
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* @throws Invalid_Argument
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*/
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private function validate_required_fields( $input, $context ) {
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// subtotal and total are both required.
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$required_fields = array( 'subtotal' );
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if ( edd_use_taxes() ) {
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$required_fields[] = 'tax';
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}
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foreach ( $required_fields as $required_field ) {
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if ( ! isset( $input[ $required_field ] ) ) {
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throw Invalid_Argument::from( $required_field, $context );
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}
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}
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}
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/**
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* Validates final amounts and calculates refund total.
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*
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* @throws \Exception
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*/
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public function validate_and_calculate_totals() {
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$this->validate_order_item_amounts();
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$this->validate_adjustment_amounts();
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// Some items or adjustments have to be selected to refund.
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if ( empty( $this->order_items_to_refund ) && empty( $this->adjustments_to_refund ) ) {
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throw new Exception(
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__( 'No items have been selected to refund.', 'easy-digital-downloads' )
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);
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}
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// Refund amount cannot be 0
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if ( $this->total <= 0 ) {
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throw new Exception( sprintf(
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/* Translators: %s - 0.00 formatted in store currency */
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__( 'The refund amount must be greater than %s.', 'easy-digital-downloads' ),
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edd_currency_filter( edd_format_amount( 0.00 ) )
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) );
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}
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// Overall refund total cannot be over total refundable amount.
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$order_total = edd_get_order_total( $this->order->id );
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if ( $this->is_over_refund_amount( $this->total, $order_total ) ) {
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throw new Exception( sprintf(
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/* Translators: %s - maximum refund amount as formatted currency */
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__( 'The maximum refund amount is %s.', 'easy-digital-downloads' ),
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edd_currency_filter( edd_format_amount( $order_total ) )
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) );
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}
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}
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/**
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* Validates the order item amounts.
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*
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* @throws \Exception
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*/
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private function validate_order_item_amounts() {
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foreach ( $this->order->items as $item ) {
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if ( ! array_key_exists( $item->id, $this->order_items_to_refund ) ) {
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continue;
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}
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$amount_to_refund = wp_parse_args( $this->order_items_to_refund[ $item->id ], array(
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'subtotal' => $item->subtotal,
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'tax' => $item->tax,
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'total' => $item->total
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) );
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$this->order_items_to_refund[ $item->id ]['original_item_status'] = $this->validate_item_and_add_totals( $item, $amount_to_refund );
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}
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}
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/**
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* Validates the adjustment amounts.
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*
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* @throws \Exception
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*/
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private function validate_adjustment_amounts() {
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foreach ( $this->order_adjustments as $adjustment ) {
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if ( ! array_key_exists( $adjustment->id, $this->adjustments_to_refund ) ) {
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continue;
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}
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$amount_to_refund = wp_parse_args( $this->adjustments_to_refund[ $adjustment->id ], array(
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'subtotal' => $adjustment->subtotal,
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'tax' => $adjustment->tax,
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'total' => $adjustment->total
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) );
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$this->adjustments_to_refund[ $adjustment->id ]['original_item_status'] = $this->validate_item_and_add_totals( $adjustment, $amount_to_refund );
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}
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}
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/**
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* Validates the amount attempting to be refunded against the total that can be refunded.
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*
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* The refund amount for each item cannot exceed the original amount minus what's already been refunded.
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* Note: quantity is not checked because you might process multiple partial refunds for the same order item.
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*
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* @param Order_Item|Order_Adjustment $original_item Original item being refunded.
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* @param array $amounts_to_refund Amounts *attempting* to be refunded. These will be
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* matched against the maximums.
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*
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* @return string Either `refunded` if this is a complete refund, or `partially_refunded` if it's a partial.
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* This should be the new status for the original item.
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* @throws Exception
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*/
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private function validate_item_and_add_totals( $original_item, $amounts_to_refund ) {
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$item_status = 'refunded';
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$maximum_refundable_amounts = $original_item->get_refundable_amounts();
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foreach ( array( 'subtotal', 'tax', 'total' ) as $column_name ) {
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// Hopefully this should never happen, but just in case!
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if ( ! array_key_exists( $column_name, $maximum_refundable_amounts ) ) {
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throw new Exception( sprintf(
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/* Translators: %s is the type of amount being refunded (e.g. "subtotal" or "tax"). Not translatable at this time. */
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__( 'An unexpected error occurred while validating the maximum %s amount.', 'easy-digital-downloads' ),
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$column_name
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) );
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}
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// This is our fallback.
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$attempted_amount = isset( $original_item->{$column_name} ) ? $original_item->{$column_name} : 0.00;
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$maximum_amount = $maximum_refundable_amounts[ $column_name ];
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// Only order items are included in the subtotal.
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if ( ! $original_item instanceof Order_Item && 'subtotal' === $column_name ) {
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continue;
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}
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// But grab from specified amounts if available. It should always be available.
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if ( isset( $amounts_to_refund[ $column_name ] ) ) {
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$attempted_amount = $amounts_to_refund[ $column_name ];
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}
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if ( $this->is_over_refund_amount( $attempted_amount, $maximum_amount ) ) {
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if ( $original_item instanceof Order_Item ) {
|
||
|
|
$error_message = sprintf(
|
||
|
|
/*
|
||
|
|
* Translators:
|
||
|
|
* %1$s - type of amount being refunded (subtotal, tax, or total);
|
||
|
|
* %1$s - product name;
|
||
|
|
* %3$s - maximum amount allowed for refund
|
||
|
|
*/
|
||
|
|
__( 'The maximum refund %1$s for the product "%2$s" is %3$s.', 'easy-digital-downloads' ),
|
||
|
|
$column_name,
|
||
|
|
$original_item->product_name,
|
||
|
|
edd_currency_filter( $maximum_refundable_amounts[ $column_name ] )
|
||
|
|
);
|
||
|
|
} else {
|
||
|
|
$error_message = sprintf(
|
||
|
|
/*
|
||
|
|
* Translators:
|
||
|
|
* %1$s - type of amount being refunded (subtotal, tax, or total);
|
||
|
|
* %1$s - adjustment description;
|
||
|
|
* %3$s - maximum amount allowed for refund
|
||
|
|
*/
|
||
|
|
__( 'The maximum refund %s for the adjustment "%s" is %s.', 'easy-digital-downloads' ),
|
||
|
|
$column_name,
|
||
|
|
$original_item->description,
|
||
|
|
edd_currency_filter( $maximum_refundable_amounts[ $column_name ] )
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
throw new Exception( $error_message );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( 'total' === $column_name && $attempted_amount < $maximum_refundable_amounts['total'] ) {
|
||
|
|
$item_status = 'partially_refunded';
|
||
|
|
}
|
||
|
|
|
||
|
|
// If this is an adjustment, and it's _credit_, negate the amount because credit _reduces_ the total.
|
||
|
|
if ( $original_item instanceof Order_Adjustment && 'credit' === $original_item->type ) {
|
||
|
|
$attempted_amount = edd_negate_amount( $attempted_amount );
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->{$column_name} += $attempted_amount;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $item_status;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns an array of order items to refund.
|
||
|
|
*
|
||
|
|
* @since 3.0
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function get_refunded_order_items() {
|
||
|
|
$order_items = array();
|
||
|
|
|
||
|
|
foreach ( $this->order->items as $item ) {
|
||
|
|
if ( array_key_exists( $item->id, $this->order_items_to_refund ) ) {
|
||
|
|
$defaults = $allowed_keys = $item->to_array();
|
||
|
|
|
||
|
|
if ( array_key_exists( 'original_item_status', $this->order_items_to_refund[ $item->id ] ) ) {
|
||
|
|
$allowed_keys['original_item_status'] = $this->order_items_to_refund[ $item->id ]['original_item_status'];
|
||
|
|
}
|
||
|
|
|
||
|
|
$args = array_intersect_key( $this->order_items_to_refund[ $item->id ], $allowed_keys );
|
||
|
|
$order_items[] = $this->set_common_item_args( wp_parse_args( $args, $defaults ) );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $order_items;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns an array of all adjustments to refund.
|
||
|
|
*
|
||
|
|
* @since 3.0
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function get_refunded_adjustments() {
|
||
|
|
$order_item_adjustments = array();
|
||
|
|
|
||
|
|
foreach ( $this->order_adjustments as $adjustment ) {
|
||
|
|
if ( array_key_exists( $adjustment->id, $this->adjustments_to_refund ) ) {
|
||
|
|
$defaults = $allowed_keys = $adjustment->to_array();
|
||
|
|
|
||
|
|
if ( array_key_exists( 'original_item_status', $this->adjustments_to_refund[ $adjustment->id ] ) ) {
|
||
|
|
$allowed_keys['original_item_status'] = $this->adjustments_to_refund[ $adjustment->id ]['original_item_status'];
|
||
|
|
}
|
||
|
|
|
||
|
|
$args = array_intersect_key( $this->adjustments_to_refund[ $adjustment->id ], $defaults );
|
||
|
|
$order_item_adjustments[] = $this->set_common_item_args( wp_parse_args( $args, $defaults ) );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $order_item_adjustments;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sets common arguments for refunded order items and adjustments.
|
||
|
|
*
|
||
|
|
* @param array $new_args
|
||
|
|
*
|
||
|
|
* @since 3.0
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
private function set_common_item_args( $new_args ) {
|
||
|
|
// Set the `parent` to the original item ID.
|
||
|
|
if ( isset( $new_args['id'] ) ) {
|
||
|
|
$new_args['parent'] = $new_args['id'];
|
||
|
|
}
|
||
|
|
|
||
|
|
// Negate amounts.
|
||
|
|
if ( array_key_exists( 'quantity', $new_args ) ) {
|
||
|
|
$new_args['quantity'] = edd_negate_int( $new_args['quantity'] );
|
||
|
|
}
|
||
|
|
foreach ( array( 'subtotal', 'tax', 'total' ) as $field_to_negate ) {
|
||
|
|
if ( array_key_exists( $field_to_negate, $new_args ) ) {
|
||
|
|
$new_args[ $field_to_negate ] = edd_negate_amount( $new_args[ $field_to_negate ] );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Strip out the keys we don't want.
|
||
|
|
$keys_to_remove = array( 'id', 'order_id', 'discount', 'date_created', 'date_modified', 'uuid' );
|
||
|
|
$new_args = array_diff_key( $new_args, array_flip( $keys_to_remove ) );
|
||
|
|
|
||
|
|
// Status is always `complete`.
|
||
|
|
$new_args['status'] = 'complete';
|
||
|
|
|
||
|
|
return $new_args;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Checks if the attempted refund amount is over the maximum allowed refund amount.
|
||
|
|
*
|
||
|
|
* @since 3.0
|
||
|
|
* @param float $attempted_amount The amount to refund.
|
||
|
|
* @param float $maximum_amount The maximum amount which can be refunded.
|
||
|
|
* @return boolean
|
||
|
|
*/
|
||
|
|
private function is_over_refund_amount( $attempted_amount, $maximum_amount ) {
|
||
|
|
return edd_sanitize_amount( $attempted_amount ) > edd_sanitize_amount( $maximum_amount );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|