public static function importFile($file, $add)
{
$error = 0;
$biobank_id = $file->metadata['biobank_id'];
$file_imported_id = $file->_id;
$bytes = CommonTools::toCsv($file);
$error = CommonTools::analyzeCsv($bytes, $biobank_id, $file_imported_id, $add);
if ($error == 0) {
Yii::app()->user->setFlash('success', Yii::app()->user->getFlash('success') . '<br>All samples where successfully imported');
} else {
Yii::app()->user->setFlash('notice', Yii::app()->user->getFlash('success') . "<br>{$error} elements were not correctly imported. Please ask admin for more details");
Yii::app()->user->setFlash('success', null);
}
}