Added Include Shipping In Purchase Value option

Author: ihorvansach

Model/Config.php

@@ -47,6 +47,7 @@ class Config
      * Events config
      */
     public const XML_PATH_EVENTS_PURCHASE_TAX_ENABLED = 'mfgoogletagmanager/events/purchase/tax_enabled';
+    public const XML_PATH_EVENTS_PURCHASE_SHIPPING_ENABLED = 'mfgoogletagmanager/events/purchase/shipping_enabled';
 
     /**
      * Customer data protection regulation config
@@ -190,6 +191,15 @@ public function isPurchaseTaxEnabled(string $storeId = null): bool
         return (bool)$this->getConfig(self::XML_PATH_EVENTS_PURCHASE_TAX_ENABLED, $storeId);
     }
 
+    /**
+     * @param string|null $storeId
+     * @return bool
+     */
+    public function isPurchaseShippingEnabled(string $storeId = null): bool
+    {
+        return (bool)$this->getConfig(self::XML_PATH_EVENTS_PURCHASE_SHIPPING_ENABLED, $storeId);
+    }
+
     /**
      * Retrieve Magento product attribute
      *

Model/DataLayer/Purchase.php

@@ -90,6 +90,10 @@ protected function getOrderValue($order): float
             $orderValue -= $order->getTaxAmount();
         }
 
+        if (!$this->config->isPurchaseShippingEnabled()) {
+            $orderValue -= $order->getShippingAmount();
+        }
+
         return $this->formatPrice($orderValue);
     }
 }

etc/adminhtml/system.xml

@@ -350,9 +350,14 @@ To create a new secret, navigate in the
                 <label>Events</label>
                 <group id="purchase" translate="label" type="text" sortOrder="10" showInDefault="1" showInWebsite="1" showInStore="1">
                     <label>Purchase</label>
+                    <field id="shipping_enabled" translate="label comment" type="select" sortOrder="10" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
+                        <label>Include Shipping In Purchase Value</label>
+                        <comment>If enabled, shipping amount will be included into purchase value (the monetary value of the event).</comment>
+                        <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
+                    </field>
                     <field id="tax_enabled" translate="label comment" type="select" sortOrder="10" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
-                        <label>Include Tax</label>
-                        <comment>If enabled, tax will be sent to Google Tag Manager and GA4.</comment>
+                        <label>Include Tax In Purchase Value</label>
+                        <comment>If enabled, TAX price amount will be included into purchase value (the monetary value of the event).</comment>
                         <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
                     </field>
                 </group>

etc/config.xml

@@ -64,6 +64,7 @@
             </attributes>
             <events>
                 <purchase>
+                    <shipping_enabled>1</shipping_enabled>
                     <tax_enabled>1</tax_enabled>
                 </purchase>
             </events>