Update for storefront controller related to issue #18

Allow to generate tab for any product (event not visible on storefront).

Author: tangar76

Controller/Index/Index.php

@@ -6,23 +6,34 @@
 use Magento\Framework\UrlInterface;
 use Magento\Framework\App\Action\Context;
 use Magento\Framework\Url\DecoderInterface;
+use Magento\Catalog\Controller\Product\View\ViewInterface;
+use Magento\Catalog\Model\Product as ModelProduct;
+use Swissup\Easytabs\Helper\Product as HelperProduct;
 
-class Index extends \Magento\Catalog\Controller\Product
+class Index extends \Magento\Framework\App\Action\Action implements ViewInterface
 {
     /**
      * @var DecoderInterface
      */
     private $decoder;
 
     /**
-     * @param DecoderInterface $decode
-     * @param Context $context
+     * @var HelperProduct
+     */
+    private $helper;
+
+    /**
+     * @param DecoderInterface $decoder
+     * @param HelperProduct    $helper
+     * @param Context          $context
      */
     public function __construct(
         DecoderInterface $decoder,
+        HelperProduct $helper,
         Context $context
     ) {
         $this->decoder = $decoder;
+        $this->helper = $helper;
         parent::__construct($context);
     }
 
@@ -39,4 +50,20 @@ public function execute()
 
         return $this->resultFactory->create(ResultFactory::TYPE_LAYOUT);
     }
+
+    /**
+     * Initialize requested product object
+     *
+     * @return ModelProduct
+     */
+    protected function _initProduct()
+    {
+        $categoryId = (int)$this->getRequest()->getParam('category', false);
+        $productId = (int)$this->getRequest()->getParam('id');
+
+        $params = new \Magento\Framework\DataObject();
+        $params->setCategoryId($categoryId);
+
+        return $this->helper->initProduct($productId, $this, $params);
+    }
 }

Helper/Product.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace Swissup\Easytabs\Helper;
+
+class Product extends \Magento\Catalog\Helper\Product
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function canShow($product, $where = 'catalog')
+    {
+        $canShow = parent::canShow($product, $where);
+
+        if (!$canShow) {
+            $parentId = (int)$this->_request->getParam('parent_id');
+
+            if ($parentId) {
+                $canShow = parent::canShow($parentId, $where);
+            }
+        }
+
+        return $canShow;
+    }
+}