Changer la declinaison par défaut quand hors stock sur la fiche produit Prestashop

Article écrit le 16 October 2024

id_product = (int) Tools::getValue('id_product');
        $this->id_product_attribute = (int) Tools::getValue('id_product_attribute', null);

        // START CODE myShop
        // On veux savoir s il y a encore du stock dans cette declinaison
        $stock = StockAvailable::getQuantityAvailableByProduct($this->id_product, $this->id_product_attribute);
        
        // If the product is not available in desired attributes, change the default id_product_attribute
        if ($stock <=0) {
            // on regarde si d'autre declinaison existe et on du stock
            $product_attribute_ids = Product::getProductAttributesIds($this->id_product);
            foreach ($product_attribute_ids as $product_attribute_data) {
                // Access "id_product_attribute" from the associative array
                $product_attribute_id = $product_attribute_data['id_product_attribute'];
        
                // Get the stock for each product attribute
                $product_attribute_stock[$product_attribute_id] = StockAvailable::getQuantityAvailableByProduct($this->id_product, $product_attribute_id);
            }

           // Find the first attribute with stock > 0 and set it as the default
            foreach ($product_attribute_stock as $product_attribute_id => $available_stock) {
                if ($available_stock > 0) {
                    // Set the default id_product_attribute to this attribute
                    $this->id_product_attribute = $product_attribute_id;

                    // Optionally, break the loop if you want to stop at the first available attribute
                    break;
                }
            }
            
        }
        //END CODE myShop


        // Load viewing modes
        if ('1' === Tools::getValue('quickview')) {
            $this->setQuickViewMode();
        }

        // We are in a preview mode only if proper admin token was also provided in the URL
        if ('1' === Tools::getValue('preview') && Tools::getValue('adtoken') == Tools::getAdminToken(
            'AdminProducts'
            . (int) Tab::getIdFromClassName('AdminProducts')
            . (int) Tools::getValue('id_employee')
        )) {
            $this->setPreviewMode();
        }

        // Try to load product object, otherwise immediately redirect to 404
        if ($this->id_product) {
            $this->product = new Product($this->id_product, true, $this->context->language->id, $this->context->shop->id);
        }
        if (!Validate::isLoadedObject($this->product)) {
            header('HTTP/1.1 404 Not Found');
            header('Status: 404 Not Found');
            $this->errors[] = $this->trans('This product is no longer available.', [], 'Shop.Notifications.Error');
            $this->setTemplate('errors/404');

            return;
        }

        // Check if the user is on correct URL and redirect if needed
        $this->canonicalRedirection();

        // Set proper template to product
        $this->setTemplate('catalog/product', [
            'entity' => 'product',
            'id' => $this->id_product,
        ]);

        // Performs multiple checks and redirects user to error page if needed
        $this->checkPermissionsToViewProduct();

        // Load product category
        $this->initializeCategory();
    }
}