public function build($mapWithGroupedValues, array $years)
{
if (is_array($mapWithGroupedValues)) {
$spreadSheet = new ExcelOutputFile($this->dataToExcel, $this->spreadSheetName);
$this->writeOnWorkSheet($mapWithGroupedValues[0], $spreadSheet, $years);
$this->dataToExcel->clearValues();
$this->writeOnWorkSheet($mapWithGroupedValues[1], $spreadSheet, $years, 1);
return $spreadSheet->getSpreadSheetFilename();
} else {
parent::titles($years);
parent::addValuesToARow($mapWithGroupedValues, $years);
$spreadSheet = new ExcelOutputFile($this->dataToExcel, $this->spreadSheetName);
$spreadSheet->buildSpreadSheet();
return $spreadSheet->getSpreadSheetFilename();
}
}
