protected function getGroupedProductValue(Product $product)
{
$value = 0;
/** @var $productTypeInstance \Magento\GroupedProduct\Model\Product\Type\Grouped */
$productTypeInstance = $product->getTypeInstance();
foreach ($productTypeInstance->getAssociatedProducts($product->getProduct()) as $childProduct) {
/** @var $childProduct Product */
$childProduct = $this->modelFactory->getObject('Magento\\Product')->setProduct($childProduct);
$variationValue = (double) $childProduct->getSpecialPrice();
$variationValue <= 0 && ($variationValue = (double) $childProduct->getPrice());
if ($variationValue < $value || $value == 0) {
$value = $variationValue;
}
}
return $this->convertValueFromStoreToMarketplace($value);
}
