Overriding the getProvider method of taxjar (#525)

* Overriding the getProvider method of taxjar in facebook plugin

* Updating the License information

* added check for fb orders

---------

Co-authored-by: Palak Anand <[email protected]>

Author: palak-ana

app/code/Meta/Sales/Plugin/TransactionUpdatePlugin.php

@@ -0,0 +1,54 @@
+<?php
+declare(strict_types=1);
+
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Meta\Sales\Plugin;
+
+use Taxjar\SalesTax\Model\Transaction;
+use Meta\Sales\Api\Data\FacebookOrderInterfaceFactory;
+
+class TransactionUpdatePlugin {
+
+    /**
+     * @var FacebookOrderInterfaceFactory
+     */
+    private FacebookOrderInterfaceFactory $facebookOrderFactory;
+
+    /**
+     * @param FacebookOrderInterfaceFactory $facebookOrderFactory
+     */
+    public function __construct(
+        FacebookOrderInterfaceFactory $facebookOrderFactory
+    ) {
+        $this->facebookOrderFactory = $facebookOrderFactory;
+    }
+
+    /**
+     * Overriding the GetProvider method of Taxjar to return Facebook to exempt the order in
+     * Taxjar plugin with marketplace exemption
+     */
+    public function afterGetProvider(Transaction $subject, $result, $order): string
+    {
+        $facebookOrder = $this->facebookOrderFactory->create();
+        $facebookOrder->load($order->getId(), 'magento_order_id');
+        if ($facebookOrder->getFacebookOrderId()) {
+            return 'facebook';
+        }
+        return $result;
+    }
+}

app/code/Meta/Sales/etc/di.xml

@@ -553,4 +553,7 @@
         <plugin name="facebookSalesOrderGrid"
                 type="Meta\Sales\Plugin\FacebookSalesOrderGridPlugin"/>
     </type>
+    <type name="Taxjar\SalesTax\Model\Transaction">
+        <plugin name="meta_taxjar" type="Meta\Sales\Plugin\TransactionUpdatePlugin"/>
+    </type>
 </config>

app/code/Meta/Sales/etc/module.xml

@@ -18,6 +18,7 @@
             <module name="Meta_BusinessExtension"/>
             <module name="Meta_Catalog"/>
             <module name="Magento_OfflineShipping"/>
+            <module name="Taxjar_SalesTax"/>
         </sequence>
     </module>
 </config>