public Task <OperationResult> AddRows(IFormFile file) =>
Task.Factory.StartNew(() =>
{
OperationResult result = _excelValidator.ValidateExcelDocument(file);
if (result.Success)
{
WorkSheet worksheet = WorkBookHelper.ConvertFileToWorkbook(file).DefaultWorkSheet;
LinkedList <Row> rowList = worksheet.ToRowEntityList();
int effectedRowCount = _spreadsheetRepository.AddRange(rowList);
if (effectedRowCount < 1)
{
result.Success = false;
result.AddMessage(ResponseMessages.AddFailed);
}
}
return(result);
});