Add support for grouped products.

app/code/Meta/Catalog/Model/Product/Feed/Builder/Tools.php

@@ -190,9 +190,16 @@ public function replaceLocalUrlWithDummyUrl($url)
      */
     public function getProductPrice(Product $product)
     {
+        $price = $product->getPrice();
+        // Prevent zero prices from configurable or grouped products.
+        if ($product->getTypeId() != Product\Type::TYPE_SIMPLE) {
+            $price = $product->getPriceInfo()->getPrice('final_price')->getAmount()->getValue();
+        }
+
         $price = $this->systemConfig->isPriceInclTax()
-            ? $this->catalogHelper->getTaxPrice($product, $product->getPrice(), true)
-            : $product->getPrice();
+            ? $this->catalogHelper->getTaxPrice($product, $price, true)
+            : $price;
+
         return $this->formatPrice($price, $product->getStoreId());
     }
 

app/code/Meta/Catalog/Model/Product/Feed/Method/BatchApi.php

@@ -25,6 +25,7 @@
 use Meta\BusinessExtension\Model\System\Config as SystemConfig;
 use Meta\Catalog\Model\Product\Feed\Builder;
 use Meta\Catalog\Model\Product\Feed\ProductRetriever\Configurable as ConfigurableProductRetriever;
+use Meta\Catalog\Model\Product\Feed\ProductRetriever\Grouped as GroupedProductRetriever;
 use Meta\Catalog\Model\Product\Feed\ProductRetriever\Simple as SimpleProductRetriever;
 use Meta\Catalog\Model\Product\Feed\ProductRetriever\Other as OtherProductRetriever;
 use Meta\Catalog\Model\Product\Feed\ProductRetrieverInterface;
@@ -38,26 +39,6 @@ class BatchApi
     private const ATTR_DELETE = 'DELETE';
     private const ATTR_DATA = 'data';
 
-    /**
-     * @var FBEHelper
-     */
-    private $fbeHelper;
-
-    /**
-     * @var GraphAPIAdapter
-     */
-    private $graphApiAdapter;
-
-    /**
-     * @var SystemConfig
-     */
-    private $systemConfig;
-
-    /**
-     * @var ProductRetrieverInterface[]
-     */
-    private $productRetrievers;
-
     /**
      * @var Builder
      */
@@ -77,6 +58,7 @@ public function __construct(
         GraphAPIAdapter $graphApiAdapter,
         SystemConfig $systemConfig,
         SimpleProductRetriever $simpleProductRetriever,
+        GroupedProductRetriever $groupedProductRetriever,
         ConfigurableProductRetriever $configurableProductRetriever,
         OtherProductRetriever $otherProductRetriever,
         Builder $builder
@@ -86,6 +68,7 @@ public function __construct(
         $this->systemConfig = $systemConfig;
         $this->productRetrievers = [
             $simpleProductRetriever,
+            $groupedProductRetriever,
             $configurableProductRetriever,
             $otherProductRetriever
         ];

app/code/Meta/Catalog/Model/Product/Feed/ProductRetriever/Grouped.php

@@ -0,0 +1,155 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Meta\Catalog\Model\Product\Feed\ProductRetriever;
+
+use Magento\Catalog\Api\ProductRepositoryInterface;
+use Magento\Catalog\Model\Product\Visibility;
+use Magento\Framework\Api\SearchCriteriaBuilder;
+use Meta\BusinessExtension\Helper\FBEHelper;
+use Meta\Catalog\Model\Product\Feed\ProductRetrieverInterface;
+use Magento\Catalog\Model\Product;
+use Magento\Catalog\Model\ResourceModel\Product\CollectionFactory;
+use Magento\GroupedProduct\Model\Product\Type\Grouped as GroupedType;
+use Magento\Framework\Exception\LocalizedException;
+use Meta\Catalog\Model\ProductRepository;
+
+class Grouped implements ProductRetrieverInterface
+{
+    private const LIMIT = 200;
+
+    /**
+     * @var ProductRepositoryInterface
+     */
+    private $productRepo;
+
+    /**
+     * @var SearchCriteriaBuilder
+     */
+    private $searchCriteriaBuilder;
+
+    /**
+     * @var int
+     */
+    private $storeId;
+
+    /**
+     * @var FBEHelper
+     */
+    private $fbeHelper;
+
+    /**
+     * @var CollectionFactory
+     */
+    private $productCollectionFactory;
+
+    /**
+     * Constructor
+     *
+     * @param FBEHelper $fbeHelper
+     * @param CollectionFactory $productCollectionFactory
+     * @param ProductRepositoryInterface $productRepo
+     * @param SearchCriteriaBuilder $searchCriteriaBuilder
+     */
+    public function __construct(
+        FBEHelper $fbeHelper,
+        CollectionFactory $productCollectionFactory,
+        ProductRepositoryInterface $productRepo,
+        SearchCriteriaBuilder $searchCriteriaBuilder
+    ) {
+        $this->fbeHelper = $fbeHelper;
+        $this->productCollectionFactory = $productCollectionFactory;
+        $this->productRepo = $productRepo;
+        $this->searchCriteriaBuilder = $searchCriteriaBuilder;
+    }
+
+    /**
+     * Set store id
+     *
+     * @param int $storeId
+     * @return ProductRetrieverInterface
+     */
+    public function setStoreId($storeId): ProductRetrieverInterface
+    {
+        $this->storeId = $storeId;
+        return $this;
+    }
+
+    /**
+     * @inheritDoc
+     *
+     * @throws LocalizedException
+     * @SuppressWarnings(PHPMD.CyclomaticComplexity)
+     */
+    public function retrieve($offset = 1, $limit = self::LIMIT): array
+    {
+        $storeId = $this->storeId ?? $this->fbeHelper->getStore()->getId();
+
+        $configurableCollection = $this->productCollectionFactory->create();
+        $configurableCollection->addAttributeToSelect('*')
+            ->addAttributeToFilter('visibility', ['neq' => Visibility::VISIBILITY_NOT_VISIBLE])
+            ->addAttributeToFilter([
+                [
+                    'attribute' => 'send_to_facebook',
+                    'neq' => \Magento\Eav\Model\Entity\Attribute\Source\Boolean::VALUE_NO
+                ],
+                [
+                    'attribute' => 'send_to_facebook',
+                    'null' => true
+                ]
+            ], null, 'left')
+            ->addAttributeToFilter('type_id', GroupedType::TYPE_CODE)
+            ->addStoreFilter($storeId)
+            ->setStoreId($storeId);
+
+        $configurableCollection->getSelect()->limit($limit, $offset);
+
+        $search = $this
+            ->searchCriteriaBuilder
+            ->addFilter('entity_id', array_keys($configurableCollection->getItems()), 'in')
+            ->create();
+
+        $products = $this->productRepo->getList($search)->getItems();
+
+        $simpleProducts = [];
+        foreach ($products as $product) {
+            /** @var Product $product */
+            /** @var GroupedType $groupedType */
+            $groupedType = $product->getTypeInstance();
+            $groupedProduct = ['item_group_id' => $product->getId()];
+            foreach ($groupedType->getAssociatedProducts($product) as $childProduct) {
+                /** @var Product $childProduct */
+                $childProduct->setConfigurableSettings($groupedProduct);
+                $childProduct->setParentProductUrl($product->getProductUrl());
+                $simpleProducts[] = $childProduct;
+            }
+        }
+
+        return $simpleProducts;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function getLimit()
+    {
+        return self::LIMIT;
+    }
+}