/**
* Helper function that adds a FilterGroup to the collection.
*
* @param FilterGroup $filterGroup
* @param Collection $collection
* @return void
* @throws \Magento\Framework\Exception\InputException
*/
protected function addFilterGroupToCollection(FilterGroup $filterGroup, Collection $collection)
{
$fields = [];
$conditions = [];
foreach ($filterGroup->getFilters() as $filter) {
$condition = $filter->getConditionType() ? $filter->getConditionType() : 'eq';
$field = $this->translateField($filter->getField());
$fields[] = $field;
$conditions[] = [$condition => $filter->getValue()];
switch ($field) {
case 'rate.tax_calculation_rate_id':
$collection->joinCalculationData('rate');
break;
case 'ctc.customer_tax_class_id':
$collection->joinCalculationData('ctc');
break;
case 'ptc.product_tax_class_id':
$collection->joinCalculationData('ptc');
break;
}
}
if ($fields) {
$collection->addFieldToFilter($fields, $conditions);
}
}
