MAGE-787 Fixed issue with cookies not cleared when customer logs out

Author: mohitalgolia

Observer/Insights/CustomerLogout.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace Algolia\AlgoliaSearch\Observer\Insights;
+
+use Algolia\AlgoliaSearch\Helper\InsightsHelper;
+use Magento\Customer\Model\Customer;
+use Magento\Framework\Event\Observer;
+use Magento\Framework\Event\ObserverInterface;
+
+class CustomerLogout implements ObserverInterface
+{
+
+    /** @var InsightsHelper */
+    protected $insightsHelper;
+
+    /**
+     * @param InsightsHelper $insightsHelper
+     */
+    public function __construct(
+        InsightsHelper $insightsHelper
+    )
+    {
+        $this->insightsHelper = $insightsHelper;
+    }
+
+    /**
+     * @param Observer $observer
+     * ['customer' => $customer]
+     */
+    public function execute(Observer $observer)
+    {
+        /** @var Customer $customer */
+        $customer = $observer->getEvent()->getCustomer();
+
+        if ($this->insightsHelper->getConfigHelper()->isClickConversionAnalyticsEnabled($customer->getStoreId()) || $this->insightsHelper->getPersonalizationHelper()->isPersoEnabled($customer->getStoreId())) {
+            $this->insightsHelper->unsetUserToken($customer);
+        }
+    }
+}

etc/frontend/events.xml

@@ -23,4 +23,7 @@
     <event name="checkout_onepage_controller_success_action">
         <observer name="algoliasearch_insights_place_order_event" instance="Algolia\AlgoliaSearch\Observer\Insights\CheckoutOnepageControllerSuccessAction" />
     </event>
+    <event name="customer_logout">
+        <observer name="algoliasearch_personalization_unset_user_token" instance="Algolia\AlgoliaSearch\Observer\Insights\CustomerLogout" />
+    </event>
 </config>