From 3384bcb2317754d88d9641ef7a714b06638410e7 Mon Sep 17 00:00:00 2001
From: Returnless <info@returnless.com>
Date: Wed, 22 Jun 2022 01:12:07 +0300
Subject: [PATCH] Added fields: di_shipping_costs, di_shipping_costs_vat. Added
 validating Invoices, Items. Implemented: shipping_amount,
 adjustment_positive, adjustment_negative.

---
 Model/Api/OrderCreditMemo.php | 34 +++++++++++++++++++++++++++++++++-
 Model/Api/OrderInfo.php       |  3 +++
 2 files changed, 36 insertions(+), 1 deletion(-)

diff --git a/Model/Api/OrderCreditMemo.php b/Model/Api/OrderCreditMemo.php
index 7db1cff..34f38cb 100644
--- a/Model/Api/OrderCreditMemo.php
+++ b/Model/Api/OrderCreditMemo.php
@@ -113,6 +113,13 @@ public function createCreditMemo($requestParams)
 
         $order = $this->retHelper->searchOrder($requestParams['order_id']);
 
+        if (!$order->hasInvoices()) {
+            $response['code'] = 404;
+            $response['return_message'] = __("Order is not invoiced.");
+
+            return $response;
+        }
+
         $orderId = $order->getId();
         if (!$orderId) {
             $response['code'] = 404;
@@ -125,8 +132,25 @@ public function createCreditMemo($requestParams)
         $itemToCredit = [];
 
         $creditMemoData['shipping_amount'] = 0;
+        if (isset($requestParams['shipping_amount'])
+            && !empty($requestParams['shipping_amount'])
+        ) {
+            $creditMemoData['shipping_amount'] = (float) $requestParams['shipping_amount'];
+        }
+
         $creditMemoData['adjustment_positive'] = 0;
+        if (isset($requestParams['adjustment_positive'])
+            && !empty($requestParams['adjustment_positive'])
+        ) {
+            $creditMemoData['adjustment_positive'] = (float) $requestParams['adjustment_positive'];
+        }
+
         $creditMemoData['adjustment_negative'] = 0;
+        if (isset($requestParams['adjustment_negative'])
+            && !empty($requestParams['adjustment_negative'])
+        ) {
+            $creditMemoData['adjustment_negative'] = (float) $requestParams['adjustment_negative'];
+        }
 
         $creditMemoData['do_offline'] = 0;
         if (isset($requestParams['payment_refund'])
@@ -152,10 +176,18 @@ public function createCreditMemo($requestParams)
 
         foreach ($requestParams['items'] as $requestItem) {
             $item = $this->retHelper->getItemBySku($order, $requestItem['sku']);
+
+            if (!$item) {
+                $response['code'] = 404;
+                $response['return_message'] = __("Sku is not associated to Order.");
+
+                return $response;
+            }
+
             $orderItemId = $item->getId();
 
             $itemToCredit[$orderItemId] = [
-                'qty' => $requestItem['qty']
+                'qty' => (float) $requestItem['qty']
             ];
         }
         $creditMemoData['items'] = $itemToCredit;
diff --git a/Model/Api/OrderInfo.php b/Model/Api/OrderInfo.php
index 2cd37dc..1b6fd57 100644
--- a/Model/Api/OrderInfo.php
+++ b/Model/Api/OrderInfo.php
@@ -182,6 +182,9 @@ public function getOrderInfoReturnless($incrementId)
                 $orderInfo['customer']['phone'] = $shippingAddress->getTelephone();
             }
 
+            $orderInfo['di_shipping_costs']     = $order->getShippingAmount();
+            $orderInfo['di_shipping_costs_vat'] = $order->getShippingTaxAmount();
+
             $separateBundle = $this->config->getSeparateBundle();
             $orderItems = $separateBundle ? $order->getAllItems() : $order->getAllVisibleItems();