M2 Import

<?php
use Magento\Framework\App\Bootstrap;

include( 'app/bootstrap.php' );
$bootstrap = Bootstrap::create( BP, $_SERVER );

error_reporting( E_ALL );
ini_set( 'display_errors', 'On' );

$objectManager = $bootstrap->getObjectManager();

$state = $objectManager->get( 'Magento\Framework\App\State' );
$state->setAreaCode( 'adminhtml' );

$file        = dirname( __FILE__ ) . "/Produkty.xml";
$xml_content = file_get_contents( $file );
$xml_content = str_replace( array( "stk:", "lStk:", "rsp:", "typ:" ), array( "", "", "", "" ), $xml_content );
$xml         = simplexml_load_string( $xml_content );

# Quick switch between interface method and model method
$update_using_interface = true;

while ( @ob_end_flush() ) {
    ;
}

echo '<table style="max-width: 900px;min-width:900px;width:900px;font-size:13px;font-family:monospace;" border="1" cellpadding="5" cellspacing="5"><thead><tr><th>EAN</th><th>Nazov</th><th>Status</th></tr></thead><tbody>';

foreach ( $xml as $item ):

    $_internet = property_exists($item, "Internet") ? (intval($item->Internet->__toString()) == 1) : false;
    $_ean    = property_exists($item, "EAN") ? $item->EAN : false;
    $_price  = floatval( $item->KonecnaCena->__toString() );
    $_name   = $item->Nazov->__toString();
    $_status = "";
    $_stock_qty = property_exists($item, "StavZasoby") ? floatval($item->StavZasoby->__toString()) : 0;

    if(!$_internet) {
        continue;
    }

    echo '<tr>';
    echo '<td>' . $_ean . '</td>';
    echo '<td>' . $_name . '</td>';

    if ( $_ean ):

        /** @var \Magento\Catalog\Model\ProductFactory $productFactory */
        $productFactory = $objectManager->get( '\Magento\Catalog\Model\ProductFactory' );

        /** @var \Magento\Catalog\Model\Product $productModel */
        $productModel = $productFactory->create();

        /** @var \Magento\Catalog\Model\Product $product */
        $product = $productModel->loadByAttribute( "ean", $item->EAN->__toString() );

        if ( $product ):
            /** @var \Magento\Catalog\Model\ProductRepository $productRepository */
            $productRepository = $objectManager->get( '\Magento\Catalog\Model\ProductRepository' );
            $product           = $productRepository->getById( $product->getId() );

            # Update name and price
            $product->setName( $item->Nazov->__toString() );
            $product->setPrice( floatval( $item->KonecnaCena->__toString() ) );
            $product->setSpecialPrice(null); // Reset special price

            $product->setStockData(['qty' => $_stock_qty, 'is_in_stock' => true]);
            $product->setQuantityAndStockStatus(['qty' => $_stock_qty, 'is_in_stock' => true]);

            # Save changes on product
            $productRepository->save($product);

            $_status = "UPDATED";

        else:
            $_status = "NOT FOUND";
        endif;

    else:
        $_status = "NO EAN";
    endif;

    echo '<td>' . $_status . '</td>';
    echo '</tr>';
    @flush();
endforeach;

echo '</tbody></table>';