Added the Gift Card Adjustment Resource

Author: whobutsb

README.md

@@ -357,6 +357,7 @@ Some resources are available directly, some resources are only available through
 - FulfillmentOrder -> [FulfillmentRequest](https://shopify.dev/api/admin-rest/2023-01/resources/fulfillmentrequest)
 - FulfillmentOrder -> [Fulfillment](https://shopify.dev/api/admin-rest/2023-01/resources/fulfillment)
 - [GiftCard](https://help.shopify.com/api/reference/gift_card) _(Shopify Plus Only)_
+- [GiftCardAdjustment](https://shopify.dev/docs/api/admin-rest/2023-01/resources/gift-card-adjustment) _(Shopify Plus Only)_
 - [InventoryItem](https://help.shopify.com/api/reference/inventoryitem)
 - [InventoryLevel](https://help.shopify.com/api/reference/inventorylevel)
 - [Location](https://help.shopify.com/api/reference/location/) _(read only)_

lib/GiftCard.php

@@ -45,4 +45,11 @@ public function disable()
 
         return $this->post($dataArray, $url);
     }
-}
+
+    /**
+     * @inheritDoc
+     */
+    protected $childResource = array(
+        'GiftCardAdjustment' => 'Adjustment'
+    );
+}

lib/GiftCardAdjustment.php

@@ -0,0 +1,20 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * @author Tareq Mahmood <tareqtms@yahoo.com>
+ * Created at: 8/21/16 8:39 AM UTC+06:00
+ *
+ * @see https://shopify.dev/docs/api/admin-rest/2023-01/resources/gift-card-adjustment Shopify API Reference for Gift Card Adjustment
+ * @note - requires gift_card_adjustments access scope enabled by Shopify Support
+ */
+
+namespace PHPShopify;
+
+
+class GiftCardAdjustment extends ShopifyResource
+{
+    /**
+     * @inheritDoc
+     */
+    protected $resourceKey = 'adjustment';
+}

lib/ShopifySDK.php

@@ -90,6 +90,7 @@
  * @property-read Fulfillment $Fulfillment
  * @property-read FulfillmentService $FulfillmentService
  * @property-read GiftCard $GiftCard
+ * @property-read GiftCardAdjustment $GiftCardAdjustment
  * @property-read InventoryItem $InventoryItem
  * @property-read InventoryLevel $InventoryLevel
  * @property-read Location $Location
@@ -140,6 +141,7 @@
  * @method FulfillmentService FulfillmentService(integer $id = null)
  * @method FulfillmentOrder FulfillmentOrder(integer $id = null)
  * @method GiftCard GiftCard(integer $id = null)
+ * @method GiftCardAdjustment GiftCardAdjustment(integer $id = null)
  * @method InventoryItem InventoryItem(integer $id = null)
  * @method InventoryLevel InventoryLevel(integer $id = null)
  * @method Location Location(integer $id = null)
@@ -261,6 +263,7 @@ class ShopifySDK
         'Dispute'           => 'ShopifyPayment',
         'Fulfillment'       => 'Order',
         'FulfillmentEvent'  => 'Fulfillment',
+        'GiftCardAdjustment'=> 'GiftCard',
         'OrderRisk'         => 'Order',
         'Payouts'           => 'ShopifyPayment',
         'ProductImage'      => 'Product',