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I'm currently working on a module that adds specific products to the cart when the customer adds a normal product. I created an observer for the checkout_cart_product_add_after. The user will select a few options which will be posted and this observer will form a sku with that, get the specific product and add it to the cart.

The problem is that sometimes a product with the formed sku might not exist, so I want to create and then add it to the cart. I've tried a few things, but it doesn't seem to work.

Here is the code I currently have, which adds the specific products to the cart.

Thanks for the help. 

 // Get the custom variations values added through the VariationsInput block. $post = $this->_request->getParam('variations'); // Create the custom sku. $customSku = 'SV'; foreach ($post as $key => $value) { if ($key == '' || $value == '') { continue; } $customSku .= $value; } // Get the current product the user is trying to add to cart. $currentProduct = $observer->getEvent()->getData('product'); // Get the additional product that needs to be added to cart. $productToAdd = $this->_productRepository->get($customSku); // Here is the part where I need to check if the product doesn't exist and then create it. if (empty($productToAdd)) { //Code to create the product and assign it to the $productToAdd variable. } // Enter the id of the prouduct which are required to be added to avoid recurrssion if ($currentProduct->getId() != $productToAdd->getId()) { $params = array( 'product' => $productToAdd->getId(), 'qty' => $currentProduct->getQty() ); $this->_cart->addProduct($productToAdd, $params); $this->_cart->save(); }
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After days of so much researching, and debugging I finally found a solution! It might be too specific, but I hope someday it will save someone hours of work.

I was using the following code to create the product, but it was not creating anything:

$objectManager = \Magento\Framework\App\ObjectManager::getInstance(); // instance of object manager $productToAdd = $objectManager->create('\Magento\Catalog\Model\Product'); $productToAdd->setSku($customSku); // Set your sku here $productToAdd->setName($customSku); // Name of Product $productToAdd->setAttributeSetId(10); // Attribute set id $productToAdd->setStatus(1); // Status on product enabled/ disabled 1/0 $productToAdd->setVisibility(4); // visibilty of product (catalog / search / catalog, search / Not visible individually) $productToAdd->setTypeId('simple'); // type of product (simple/virtual/downloadable/configurable) $productToAdd->setPrice(0); // price of product $productToAdd->setStockData( array( 'use_config_manage_stock' => 0, 'manage_stock' => 1, 'is_in_stock' => 1, 'qty' => 999999999 ) ); $productToAdd->save();

As shown in my question, I was getting the generated sku and trying to create the product object with $this->_productRepository->get($customSku);. In my mind, if the product with the generated sku existed, the object would be generated, and if it didn't exist, it would just return empty. And that's where I was wrong. If I try to retrieve a product with an sku that doesn't exist, it will create something different and skip the code and so the if (empty($productToAdd)) {} will not work.

What I needed to do was to check if a product with the generated sku existed, before trying to retrieve it. If it did, then use $this->_productRepository->get($customSku);, but if not, then use the code to create the product and add it to the cart. In the end it looked like this:

if($this->_product->getIdBySku($customSku)) { $productToAdd = $this->_productRepository->get($customSku); // Get the additional product that needs to be added to cart. } else { $objectManager = \Magento\Framework\App\ObjectManager::getInstance(); // instance of object manager $productToAdd = $objectManager->create('\Magento\Catalog\Model\Product'); $productToAdd->setSku($customSku); // Set your sku here $productToAdd->setName($customSku); // Name of Product $productToAdd->setAttributeSetId(10); // Attribute set id $productToAdd->setStatus(1); // Status on product enabled/ disabled 1/0 $productToAdd->setVisibility(4); // visibilty of product (catalog / search / catalog, search / Not visible individually) $productToAdd->setTypeId('simple'); // type of product (simple/virtual/downloadable/configurable) $productToAdd->setPrice(0); // price of product $productToAdd->setStockData( array( 'use_config_manage_stock' => 0, 'manage_stock' => 1, 'is_in_stock' => 1, 'qty' => 999999999 ) ); $productToAdd->save(); } $params = array( 'form_key' => $this->formKey->getFormKey(), 'product' => $productToAdd->getId(), 'qty' => $currentProduct->getQty() ); $this->_cart->addProduct($productToAdd, $params); // Add the product to cart.
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