Call to undefined method Magento\Bundle\Model\Product\Type::getConfigurableAttributeCollection() is Fixed as per code

Block/Adminhtml/System/Config/CategoryFeed.php

@@ -0,0 +1,60 @@
+<?php
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved
+ */
+
+namespace Facebook\BusinessExtension\Block\Adminhtml\System\Config;
+
+use Magento\Backend\Block\Widget\Button;
+use Magento\Config\Block\System\Config\Form\Field;
+use Magento\Framework\Data\Form\Element\AbstractElement;
+
+class CategoryFeed extends Field
+{
+    /**
+     * @var string
+     */
+    protected $_template = 'Facebook_BusinessExtension::system/config/category_feed.phtml';
+
+    /**
+     * Remove scope label
+     *
+     * @param  AbstractElement $element
+     * @return string
+     */
+    public function render(AbstractElement $element)
+    {
+        $element->unsScope()->unsCanUseWebsiteValue()->unsCanUseDefaultValue();
+        return parent::render($element);
+    }
+
+    /**
+     * @todo move to helper
+     * @return string
+     */
+    public function getAjaxUrl()
+    {
+        return $this->getUrl('fbeadmin/ajax/categoryUpload');
+    }
+
+    /**
+     * @param AbstractElement $element
+     * @return string
+     */
+    protected function _getElementHtml(AbstractElement $element)
+    {
+        return $this->_toHtml();
+    }
+
+    /**
+     * @return string
+     * @throws \Magento\Framework\Exception\LocalizedException
+     */
+    public function getButtonHtml()
+    {
+        /** @var Button $button */
+        $button = $this->getLayout()->createBlock(Button::class);
+        return $button->setData(['id' => 'fb_category_upload_btn', 'label' => __('Upload to Facebook')])
+            ->toHtml();
+    }
+}

Block/Pixel/InitiateCheckout.php

@@ -15,9 +15,8 @@ public function getContentIDs()
         $productIds = [];
         $cart = $this->fbeHelper->getObject(\Magento\Checkout\Model\Cart::class);
         $items = $cart->getQuote()->getAllVisibleItems();
-        $productModel = $this->fbeHelper->getObject(\Magento\Catalog\Model\Product::class);
         foreach ($items as $item) {
-            $product = $productModel->load($item->getProductId());
+            $product = $item->getProduct();
             $productIds[] = $product->getId();
         }
         return $this->arrayToCommaSeparatedStringValues($productIds);
@@ -49,10 +48,9 @@ public function getContents()
         }
         $contents = [];
         $items = $cart->getQuote()->getAllVisibleItems();
-        $productModel = $this->fbeHelper->getObject(\Magento\Catalog\Model\Product::class);
         $priceHelper = $this->objectManager->get(\Magento\Framework\Pricing\Helper\Data::class);
         foreach ($items as $item) {
-            $product = $productModel->load($item->getProductId());
+            $product = $item->getProduct();
             $price = $priceHelper->currency($product->getFinalPrice(), false, false);
             $content = '{id:"' . $product->getId() . '",quantity:' . (int)$item->getQty()
                     . ',item_price:' . $price . "}";

Block/Pixel/Purchase.php

@@ -20,10 +20,8 @@ public function getContentIDs()
         $order = $this->fbeHelper->getObject(\Magento\Checkout\Model\Session::class)->getLastRealOrder();
         if ($order) {
             $items = $order->getItemsCollection();
-            $productModel = $this->fbeHelper->getObject(Product::class);
             foreach ($items as $item) {
-                // @todo do not load product model in loop - this can be a performance killer, use product collection
-                $product = $productModel->load($item->getProductId());
+                $product = $item->getProduct();
                 $productIds[] = $product->getId();
             }
         }
@@ -53,11 +51,10 @@ public function getContents()
         if ($order) {
             $priceHelper = $this->objectManager->get(\Magento\Framework\Pricing\Helper\Data::class);
             $items = $order->getItemsCollection();
-            $productModel = $this->fbeHelper->getObject(Product::class);
             foreach ($items as $item) {
                 /** @var Product $product */
                 // @todo reuse results from self::getContentIDs()
-                $product = $productModel->load($item->getProductId());
+                $product = $item->getProduct();
                 $price = $priceHelper->currency($product->getFinalPrice(), false, false);
                 $content = '{id:"' . $product->getId() . '",quantity:' . (int)$item->getQtyOrdered()
                         . ',item_price:' . $price . '}';

Controller/Adminhtml/Ajax/CategoryUpload.php

@@ -0,0 +1,52 @@
+<?php
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved
+ */
+
+namespace Facebook\BusinessExtension\Controller\Adminhtml\Ajax;
+
+use Exception;
+use Facebook\BusinessExtension\Helper\FBEHelper;
+use Facebook\BusinessExtension\Model\Feed\CategoryCollection;
+
+use Magento\Backend\App\Action\Context;
+use Magento\Framework\Controller\Result\JsonFactory;
+
+class CategoryUpload extends AbstractAjax
+{
+    /**
+     * @var CategoryCollection
+     */
+    protected $categoryCollection;
+
+    public function __construct(
+        Context $context,
+        JsonFactory $resultJsonFactory,
+        FBEHelper $fbeHelper,
+        CategoryCollection $categoryCollection
+    ) {
+        parent::__construct($context, $resultJsonFactory, $fbeHelper);
+        $this->categoryCollection = $categoryCollection;
+    }
+
+    public function executeForJson()
+    {
+        $response = [];
+
+        if (!$this->_fbeHelper->getAccessToken()) {
+            $response['success'] = false;
+            $response['message'] = __('Set up the extension before uploading category.');
+            return $response;
+        }
+
+        try {
+            $feedPushResponse = $this->categoryCollection->pushAllCategoriesToFbCollections();
+            $response['success'] = true;
+            $response['feed_push_response'] = $feedPushResponse;
+        } catch (Exception $e) {
+            $response['success'] = false;
+            $response['message'] = $e->getMessage();
+        }
+        return $response;
+    }
+}

Controller/Pixel/ProductInfoForAddToCart.php

@@ -14,23 +14,23 @@ class ProductInfoForAddToCart extends \Magento\Framework\App\Action\Action
     protected $_resultJsonFactory;
     protected $_productFactory;
     protected $_fbeHelper;
-    protected $_eventManager;
     protected $_formKeyValidator;
+    protected $_magentoDataHelper;
 
     public function __construct(
         \Magento\Framework\App\Action\Context $context,
         \Magento\Framework\Controller\Result\JsonFactory $resultJsonFactory,
         \Magento\Catalog\Model\ProductFactory $productFactory,
         FBEHelper $helper,
-        \Magento\Framework\Event\ManagerInterface $eventManager,
-        \Magento\Framework\Data\Form\FormKey\Validator $formKeyValidator
+        \Magento\Framework\Data\Form\FormKey\Validator $formKeyValidator,
+        \Facebook\BusinessExtension\Helper\MagentoDataHelper $magentoDataHelper
     ) {
         parent::__construct($context);
         $this->_resultJsonFactory = $resultJsonFactory;
         $this->_productFactory = $productFactory;
         $this->_fbeHelper = $helper;
-        $this->_eventManager = $eventManager;
         $this->_formKeyValidator = $formKeyValidator;
+        $this->_magentoDataHelper = $magentoDataHelper;
     }
 
     private function getCategory($product)
@@ -63,8 +63,7 @@ private function getValue($product)
     private function getProductInfo($product_sku)
     {
         $response_data = [];
-        $product = $this->_productFactory->create();
-        $product->load($product->getIdBySku($product_sku));
+        $product = $this->_magentoDataHelper->getProductWithSku($product_sku);
         if ($product->getId()) {
             $response_data['id'] = $product->getId();
             $response_data['name'] = $product->getName();

Helper/MagentoDataHelper.php

@@ -39,6 +39,11 @@ class MagentoDataHelper extends AbstractHelper
      */
     protected $customerMetadata;
 
+    /**
+     * @var \Magento\Catalog\Api\ProductRepositoryInterface
+     */
+    protected $productRepository;
+
     /**
      * MagentoDataHelper constructor
      *
@@ -55,14 +60,16 @@ public function __construct(
         \Facebook\BusinessExtension\Logger\Logger $logger,
         \Magento\Catalog\Model\ProductFactory $productFactory,
         \Magento\Store\Model\StoreManagerInterface $storeManager,
-        \Magento\Customer\Api\CustomerMetadataInterface $customerMetadata
+        \Magento\Customer\Api\CustomerMetadataInterface $customerMetadata,
+        \Magento\Catalog\Api\ProductRepositoryInterface $productRepository
     ) {
         parent::__construct($context);
         $this->objectManager = $objectManager;
         $this->logger = $logger;
         $this->productFactory = $productFactory;
         $this->storeManager = $storeManager;
         $this->customerMetadata = $customerMetadata;
+        $this->productRepository = $productRepository;
     }
 
     /**
@@ -121,8 +128,7 @@ public function getDateOfBirth()
      */
     public function getProductWithSku($productSku)
     {
-        $product = $this->productFactory->create();
-        $product->load($product->getIdBySku($productSku));
+        $product = $this->productRepository->get($productSku);
         return $product;
     }
 
@@ -184,9 +190,8 @@ public function getCartContentIds()
             return null;
         }
         $items = $cart->getQuote()->getAllVisibleItems();
-        $productModel = $this->objectManager->get(\Magento\Catalog\Model\Product::class);
         foreach ($items as $item) {
-            $product = $productModel->load($item->getProductId());
+            $product = $item->getProduct();
             $productIds[] = $product->getId();
         }
         return $productIds;
@@ -241,10 +246,9 @@ public function getCartContents()
         }
         $contents = [];
         $items = $cart->getQuote()->getAllVisibleItems();
-        $productModel = $this->objectManager->get(\Magento\Catalog\Model\Product::class);
         $priceHelper = $this->objectManager->get(\Magento\Framework\Pricing\Helper\Data::class);
         foreach ($items as $item) {
-            $product = $productModel->load($item->getProductId());
+            $product = $item->getProduct();
             $contents[] = [
                 'product_id' => $product->getId(),
                 'quantity' => $item->getQty(),
@@ -266,9 +270,8 @@ public function getOrderContentIds()
         }
         $productIds = [];
         $items = $order->getAllVisibleItems();
-        $productModel = $this->objectManager->get(\Magento\Catalog\Model\Product::class);
         foreach ($items as $item) {
-            $product = $productModel->load($item->getProductId());
+            $product = $item->getProduct();
             $productIds[] = $product->getId();
         }
         return $productIds;
@@ -306,10 +309,9 @@ public function getOrderContents()
         }
         $contents = [];
         $items = $order->getAllVisibleItems();
-        $productModel = $this->objectManager->get(\Magento\Catalog\Model\Product::class);
         $priceHelper = $this->objectManager->get(\Magento\Framework\Pricing\Helper\Data::class);
         foreach ($items as $item) {
-            $product = $productModel->load($item->getProductId());
+            $product = $item->getProduct();
             $contents[] = [
                 'product_id' => $product->getId(),
                 'quantity' => (int)$item->getQtyOrdered(),

Logger/Handler.php

@@ -19,5 +19,5 @@ class Handler extends \Magento\Framework\Logger\Handler\Base
    * File name
    * @var string
    */
-    protected $fileName = 'var/log/facebook-business-extension.log';
+    protected $fileName = '/var/log/facebook-business-extension.log';
 }