Merge pull request #3044 from Smile-SA/add-attr-for-proper-virt-cat-load

Add observer to load mandatory attributes on category collections

Author: rbayet

src/module-elasticsuite-virtual-category/Observer/AddCategoryAttributesToSelect.php

@@ -0,0 +1,40 @@
+<?php
+/**
+ * DISCLAIMER
+ *
+ * Do not edit or add to this file if you wish to upgrade Smile ElasticSuite to newer
+ * versions in the future.
+ *
+ * @category  Smile
+ * @package   Smile\ElasticsuiteVirtualCategory
+ * @author    Romain Ruaud <romain.ruaud@smile.fr>
+ * @copyright 2020 Smile
+ * @license   Open Software License ("OSL") v. 3.0
+ */
+namespace Smile\ElasticsuiteVirtualCategory\Observer;
+
+/**
+ * Observer that selects mandatory attributes on category collections
+ * to correctly process product loading on 'Virtual Categories'
+ *
+ * @category Smile
+ * @package  Smile\ElasticsuiteVirtualCategory
+ * @author   Romain Ruaud <romain.ruaud@smile.fr>
+ * @author   Nicolas Graeter <info@graeter-it.de>
+ */
+class AddCategoryAttributesToSelect implements \Magento\Framework\Event\ObserverInterface
+{
+    /**
+     * Observer listening to catalog_category_collection_load_before
+     *
+     * @param \Magento\Framework\Event\Observer $observer The Observer
+     *
+     * @return void
+     */
+    public function execute(\Magento\Framework\Event\Observer $observer)
+    {
+        /** @var \Magento\Catalog\Model\ResourceModel\Category\Collection $categoryCollection */
+        $categoryCollection = $observer->getCategoryCollection();
+        $categoryCollection->addAttributeToSelect(['virtual_category_root', 'is_virtual_category', 'virtual_rule']);
+    }
+}

src/module-elasticsuite-virtual-category/etc/events.xml

@@ -16,6 +16,10 @@
  */
  -->
 <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Event/etc/events.xsd">
+    <event name="catalog_category_collection_load_before">
+        <observer name="smile_elasticsuite_virtual_categories_collection_load_before" instance="Smile\ElasticsuiteVirtualCategory\Observer\AddCategoryAttributesToSelect"/>
+    </event>
+
     <event name="catalog_category_move_before">
         <observer name="smile_elasticsuite_virtual_categories_move_before" instance="Smile\ElasticsuiteVirtualCategory\Observer\MoveVirtualCategoryRoot"/>
     </event>