/**
* Generates child products for configurable product
*
* @param \Magento\Catalog\Api\Data\ProductAttributeInterface $configurableAttribute
* @return array
* @throws \Exception
*/
protected function createConfigurableChildren($configurableAttribute)
{
$availableOptions = $configurableAttribute->getOptions();
/* Not sure why the zero index has no value for all attributes. Maybe will be fixed
in next Magento versions */
unset($availableOptions[0]);
if (!count($availableOptions) > 0) {
throw new \Exception('The selected configurable attribute has no values');
}
// Create child simple products
$availableProductsCount = $this->getCount() - $this->processedProducts - 1;
if ($availableProductsCount >= self::CONFIGURABLE_CHILD_LIMIT) {
$childrenLimit = self::CONFIGURABLE_CHILD_LIMIT;
} else {
$childrenLimit = $availableProductsCount;
}
if ($childrenLimit > count($availableOptions)) {
$childrenLimit = count($availableOptions);
}
$childrenCount = rand(1, $childrenLimit);
$childProductsIds = $configurableOptionsValues = [];
for ($optCount = 0; $optCount < $childrenCount; $optCount++) {
$product = $this->createSimpleProduct(true, true);
$currentOptionId = array_rand($availableOptions);
$optValueId = $availableOptions[$currentOptionId]->getValue();
unset($availableOptions[$currentOptionId]);
$product->setCustomAttribute($configurableAttribute->getAttributeCode(), $optValueId);
$optionValue = $this->optionValue;
$optionValue->setValueIndex($optValueId);
$configurableOptionsValues[] = $optionValue;
$product = $this->productRepository->save($product);
$childProductsIds[] = $product->getId();
}
return ['child_products_ids' => $childProductsIds, 'configurable_options_values' => $configurableOptionsValues];
}
