public function calculatePerTime($filters = [])
{
$this->queryFields = [\DB::raw('COUNT(*) AS `count`')];
$query = $this->applyFilters(\TestModel::query(), $filters);
$query = $this->applyTimeGroup($query);
$results = $query->get($this->queryFields);
$results = $this->fillDateGaps($results, $filters);
return $this->dataTable;
}