/**
* Save configurable product relations
*
* @param \Magento\Catalog\Model\Product $mainProduct the parent id
* @param array $productIds the children id array
* @return $this
*/
public function saveProducts($mainProduct, $productIds)
{
$isProductInstance = false;
if ($mainProduct instanceof \Magento\Catalog\Model\Product) {
$mainProductId = $mainProduct->getId();
$isProductInstance = true;
}
$old = [];
if (!$mainProduct->getIsDuplicate()) {
$old = $mainProduct->getTypeInstance()->getUsedProductIds($mainProduct);
}
$insert = array_diff($productIds, $old);
$delete = array_diff($old, $productIds);
if ((!empty($insert) || !empty($delete)) && $isProductInstance) {
$mainProduct->setIsRelationsChanged(true);
}
if (!empty($delete)) {
$where = ['parent_id = ?' => $mainProductId, 'product_id IN(?)' => $delete];
$this->_getWriteAdapter()->delete($this->getMainTable(), $where);
}
if (!empty($insert)) {
$data = [];
foreach ($insert as $childId) {
$data[] = ['product_id' => (int) $childId, 'parent_id' => (int) $mainProductId];
}
$this->_getWriteAdapter()->insertMultiple($this->getMainTable(), $data);
}
// configurable product relations should be added to relation table
$this->_catalogProductRelation->processRelations($mainProductId, $productIds);
return $this;
}
/**
* Save product relations
*
* @param int $parentId
* @param array $childIds
* @return $this
*/
public function saveProductRelations($parentId, $childIds)
{
$this->_productRelation->processRelations($parentId, $childIds);
return $this;
}