Update deprecated registry for current product

Author: mohitalgolia

Observer/RegisterCurrentProductObserver.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace Algolia\AlgoliaSearch\Observer;
+
+use Magento\Catalog\Api\Data\ProductInterface;
+use Magento\Framework\Event\Observer as Event;
+use Magento\Framework\Event\ObserverInterface;
+use Algolia\AlgoliaSearch\Registry\CurrentProduct;
+
+/**
+ * Class RegisterCurrentProductObserver
+ *
+ * Current product observer
+ */
+class RegisterCurrentProductObserver implements ObserverInterface
+{
+    /**
+     * @var CurrentProduct
+     */
+    private $currentProduct;
+
+    /**
+     * RegisterCurrentProductObserver constructor.
+     *
+     * @param CurrentProduct $currentProduct
+     */
+    public function __construct(
+        CurrentProduct $currentProduct
+    ) {
+        $this->currentProduct = $currentProduct;
+    }
+
+    /**
+     * Trigger event
+     *
+     * @param Event $event
+     */
+    public function execute(Event $event)
+    {
+        /** @var ProductInterface $product */
+        $product = $event->getData('product');
+        $this->currentProduct->set($product);
+    }
+}

Registry/CurrentProduct.php

@@ -0,0 +1,66 @@
+<?php
+
+namespace Algolia\AlgoliaSearch\Registry;
+
+use Magento\Catalog\Api\Data\ProductInterface;
+use Magento\Catalog\Api\Data\ProductInterfaceFactory;
+
+/**
+ * Class CurrentProduct
+ *
+ * Get current product without registry
+ */
+class CurrentProduct
+{
+    /**
+     * @var ProductInterface
+     */
+    private $product;
+
+    /**
+     * @var ProductInterfaceFactory
+     */
+    private $productFactory;
+
+    /**
+     * CurrentProduct constructor.
+     *
+     * @param ProductInterfaceFactory $productFactory
+     */
+    public function __construct(
+        ProductInterfaceFactory $productFactory
+    )
+    {
+        $this->productFactory = $productFactory;
+    }
+
+    /**
+     * Setter
+     *
+     * @param ProductInterface $product
+     */
+    public function set(ProductInterface $product): void
+    {
+        $this->product = $product;
+    }
+
+    /**
+     * Getter
+     *
+     * @return ProductInterface
+     */
+    public function get(): ProductInterface
+    {
+        return $this->product ?? $this->createProduct();
+    }
+
+    /**
+     * Product factory
+     *
+     * @return ProductInterface
+     */
+    private function createProduct(): ProductInterface
+    {
+        return $this->productFactory->create();
+    }
+}

ViewModel/Recommend/ProductView.php

@@ -4,7 +4,7 @@
 
 use Magento\Catalog\Model\Product;
 use Algolia\AlgoliaSearch\Helper\ConfigHelper;
-use Magento\Framework\Registry;
+use Algolia\AlgoliaSearch\Registry\CurrentProduct;
 use Magento\Framework\View\Element\Block\ArgumentInterface;
 
 class ProductView implements ArgumentInterface
@@ -15,26 +15,24 @@ class ProductView implements ArgumentInterface
     protected $product = null;
 
     /**
-     * Core registry
-     *
-     * @var Registry
+     * @var CurrentProduct
      */
-    protected $coreRegistry = null;
+    protected $currentProduct;
 
     /**
      * @var ConfigHelper
      */
     protected $configHelper;
 
     /**
-     * @param Registry $registry
+     * @param CurrentProduct $currentProduct
      * @param ConfigHelper $configHelper
      */
     public function __construct(
-        Registry     $registry,
+        CurrentProduct $currentProduct,
         ConfigHelper $configHelper
     ) {
-        $this->coreRegistry = $registry;
+        $this->currentProduct = $currentProduct;
         $this->configHelper = $configHelper;
     }
     /**
@@ -45,11 +43,22 @@ public function __construct(
     public function getProduct()
     {
         if (!$this->product) {
-            $this->product = $this->coreRegistry->registry('product');
+            $this->product = $this->getCurrentProduct();
         }
         return $this->product;
     }
 
+    /**
+     * Get product
+     *
+     * @return array
+     * @throws \Magento\Framework\Exception\NoSuchEntityException
+     */
+    public function getCurrentProduct()
+    {
+        return $this->currentProduct->get();
+    }
+
     /**
      * @return array
      */

etc/frontend/events.xml

@@ -32,4 +32,7 @@
     <event name="persistent_session_expired">
         <observer name="refresh_customer_data" instance="Algolia\AlgoliaSearch\Observer\Insights\CustomerLogout" />
     </event>
+    <event name="catalog_controller_product_init_after">
+        <observer name="algoliasearch_current_product" instance="Algolia\AlgoliaSearch\Observer\RegisterCurrentProductObserver"/>
+    </event>
 </config>