public async Task <string> GenerateTransactionCode()
{
var lastGeneratedCode = await _transRepo.GetLastGeneratedCode();
if (string.IsNullOrWhiteSpace(lastGeneratedCode))
{
return("YOU0000001");
}
var stringDigit = lastGeneratedCode.Substring(3);
var nextDigit = (Int64.Parse(stringDigit) + 1).ToString().PadLeft(7, '0');
return("YOU" + nextDigit);
}
