static function saveDataFromArray($tableauData, $dataWindPrev, $entityManager)
 {
     // $tableauData
     // 2011-12-05 -> 13=>17.5 | 19=>12 | 22=>10
     // 2011-12-06 -> 01=>14.5 | 04=>15 ...
     $now = new \DateTime("now");
     foreach ($tableauData as $date => $lineWindData) {
         $prevDate = new PrevisionDate();
         $prevDate->setCreated($now);
         $prevDate->setDatePrev(new \DateTime($date));
         $windCalculate = array("max" => 0, "min" => 0, "cumul" => 0, "nbPrev" => 0);
         foreach ($lineWindData as $heure => $wind) {
             $prev = new Prevision();
             $prev->setOrientation('?');
             $prev->setWind($wind);
             $hour = new \DateTime();
             $hour->setTime($heure, "00");
             $prev->setTime($hour);
             WindguruGetData::calculateWind($windCalculate, $prev);
             $prev->setPrevisionDate($prevDate);
             $prevDate->addListPrevision($prev);
             $entityManager->persist($prev);
         }
         //TODO: calculate average etc...
         $prevDate->setWindAverage(0);
         if ($windCalculate["nbPrev"] > 0) {
             $prevDate->setWindAverage($windCalculate["max"] / $windCalculate["nbPrev"]);
         }
         $prevDate->setWindMax($windCalculate["max"]);
         $prevDate->setWindMin($windCalculate["min"]);
         $prevDate->setWindGauss(0);
         $prevDate->setWindMiddle(0);
         $prevDate->setDataWindPrev($dataWindPrev);
         $dataWindPrev->addListPrevisionDate($prevDate);
         $entityManager->persist($prevDate);
     }
     $entityManager->persist($dataWindPrev);
     $entityManager->flush();
 }