Added support for grouped products

Model/Plugin/AfterPrice.php

@@ -108,18 +108,28 @@ protected function _getAfterPriceHtml()
         // check if product is available
         if (!$product) return '';
 
+        // if a grouped product is given we need the current child
+        if ($product->getTypeId() == 'grouped') {
+            $product = $product->getPriceInfo()
+                ->getPrice(\Magento\Catalog\Pricing\Price\FinalPrice::PRICE_CODE)
+                ->getMinProduct();
+        }
+
         // check if price for current product has been rendered before
         if (!array_key_exists($product->getId(), $this->_afterPriceHtml)) {
             $afterPriceBlock = $this->_layout->createBlock(
                 'Magenerds\BasePrice\Block\AfterPrice',
                 'baseprice_afterprice_' . $product->getId(),
                 ['product' => $product]
             );
+
+            // use different templates for configurables and other product types
             if ($product->getTypeId() == 'configurable') {
                 $templateFile = 'Magenerds_BasePrice::configurable/afterprice.phtml';
             } else {
                 $templateFile = 'Magenerds_BasePrice::afterprice.phtml';
             }
+
             $afterPriceBlock->setTemplate($templateFile);
             $this->_afterPriceHtml[$product->getId()] = $afterPriceBlock->toHtml();
         }

Model/Plugin/Grouped.php

@@ -0,0 +1,67 @@
+<?php
+/**
+ * Magenerds\BasePrice\Model\Plugin\Grouped
+ *
+ * Copyright (c) 2016 TechDivision GmbH
+ * All rights reserved
+ *
+ * This product includes proprietary software developed at TechDivision GmbH, Germany
+ * For more information see http://www.techdivision.com/
+ *
+ * To obtain a valid license for using this software please contact us at
+ * [email protected]
+ */
+
+/**
+ * @category   Magenerds
+ * @package    Magenerds_BasePrice
+ * @subpackage Model
+ * @copyright  Copyright (c) 2016 TechDivision GmbH (http://www.techdivision.com)
+ * @version    ${release.version}
+ * @link       http://www.techdivision.com/
+ * @author     Florian Sydekum <[email protected]>
+ */
+namespace Magenerds\BasePrice\Model\Plugin;
+
+use Magento\GroupedProduct\Model\Product\Type\Grouped as CoreGrouped;
+
+/**
+ * Class AfterPrice
+ * @package Magenerds\BasePrice\Model\Plugin
+ */
+class Grouped extends CoreGrouped
+{
+    /**
+     * @inheritdoc
+     * overwritten in order to add base price attributes to select
+     */
+    public function getAssociatedProducts($product)
+    {
+        if (!$product->hasData($this->_keyAssociatedProducts)) {
+            $associatedProducts = [];
+
+            $this->setSaleableStatus($product);
+
+            $collection = $this->getAssociatedProductCollection(
+                $product
+            )->addAttributeToSelect(
+                [
+                    'name', 'price',  'special_price', 'special_from_date', 'special_to_date',
+                    'baseprice_reference_amount', 'baseprice_product_amount', 'baseprice_product_unit', 'baseprice_reference_unit', 'baseprice_reference_amount'
+                ]
+            )->addFilterByRequiredOptions()->setPositionOrder()->addStoreFilter(
+                $this->getStoreFilter($product)
+            )->addAttributeToFilter(
+                'status',
+                ['in' => $this->getStatusFilters($product)]
+            );
+
+            foreach ($collection as $item) {
+                $associatedProducts[] = $item;
+            }
+
+            $product->setData($this->_keyAssociatedProducts, $associatedProducts);
+        }
+        return $product->getData($this->_keyAssociatedProducts);
+    }
+}

etc/di.xml

@@ -28,4 +28,5 @@
     <type name="Magento\ConfigurableProduct\Block\Product\View\Type\Configurable">
         <plugin name="magenerds_baseprice_configurablePriceRender" type="Magenerds\BasePrice\Model\Plugin\ConfigurablePrice" />
     </type>
+    <preference for="Magento\GroupedProduct\Model\Product\Type\Grouped" type="Magenerds\BasePrice\Model\Plugin\Grouped"/>
 </config>