/**
  * @return \hipanel\modules\finance\models\Calculation[]
  * @throws UnprocessableEntityHttpException
  */
 public function execute()
 {
     $data = $this->collectData();
     if (empty($data)) {
         return [];
     }
     try {
         $rows = Calculation::perform('CalcValue', $data, true);
     } catch (\Exception $e) {
         throw new UnprocessableEntityHttpException('Failed to calculate value: ' . $e->getMessage(), 0, $e);
     }
     $this->calculations = $this->createCalculations($rows);
     return $this->calculations;
 }