protected function writeRawCsv($data, Sheet $sheet)
 {
     $fileName = $sheet->getGoogleId() . "_" . $sheet->getSheetId() . "_" . date('Y-m-d') . '-' . uniqid() . ".csv";
     /** @var SplFileInfo $fileInfo */
     $fileInfo = $this->temp->createFile($fileName);
     $fh = fopen($fileInfo->getPathname(), 'w+');
     if (!$fh) {
         throw new \Exception("Can't write to file " . $fileInfo->getPathname());
     }
     /* @var Stream $data */
     fwrite($fh, $data->getContents());
     fclose($fh);
     return $fileInfo->getPathname();
 }
 public function addSheet(Sheet $sheet)
 {
     $origSheet = $this->getSheet($sheet->getGoogleId(), $sheet->getSheetId());
     if (null == $origSheet) {
         $sheet->setAccount($this);
         $fileIds = array();
         /** @var Sheet $savedSheet */
         foreach ($this->sheets as $savedSheet) {
             $gid = $savedSheet->getGoogleId();
             if (!isset($fileIds[$gid])) {
                 $fileIds[$gid] = $savedSheet->getFileId();
             }
         }
         $nextFileId = 0;
         if (!empty($fileIds)) {
             if (isset($fileIds[$sheet->getGoogleId()])) {
                 $nextFileId = $fileIds[$sheet->getGoogleId()];
             } else {
                 $nextFileId = max($fileIds) + 1;
             }
         }
         $tableName = $nextFileId . '-' . $this->removeSpecialChars($sheet->getSheetTitle());
         $sheet->setFileId($nextFileId);
         if ($sheet->getConfig() == null) {
             $sheet->setConfig(array('header' => array('rows' => 1), 'db' => array('table' => $this->getInBucketId() . '.' . $tableName)));
         }
     } else {
         // Update Sheet
         $this->removeSheet($origSheet->getFileId(), $origSheet->getSheetId());
         $origSheet->fromArray($sheet->toArray());
         $sheet = $origSheet;
     }
     $this->sheets[] = $sheet;
 }