private ShiftOutput ProcessShift(Shift shift, List <WageLevel> wageLevels)
{
ShiftDTO shiftDTO = new ShiftDTO(shift);
WageLevel wageLevel = wageLevels.FirstOrDefault(wl => wl.Key == shiftDTO.WageLevel);
if (wageLevel == null)
{
throw new ArgumentNullException($"wageLevel in shift started at: [{shift.StartedAt}] cannot be found.");
}
decimal wageBase = wageLevel.Value;
//init shiftDTO
shiftDTO.InitWageBaseRate(wageBase).CalculateHoursWorked().CalculateEarning();
//map to output
ShiftOutput shiftOutput = PayslipMapper.MapFromShiftDTOToShiftOutput(shiftDTO);
return(shiftOutput);
}
PayslipOutput IPayslipService.GeneratePayslip(PayslipInput input)
{
List <WageLevel> wageLevels = PayslipMapper.MapFromDictionaryToWageLevelModel(input.WageLevels);
PayslipOutput payslipOutput = new PayslipOutput
{
EmployeeName = input.Employee?.Name,
ShiftOutputs = new List <ShiftOutput>()
};
foreach (var shift in input.Shifts)
{
var shiftOutput = ProcessShift(shift, wageLevels);
payslipOutput.ShiftOutputs.Add(shiftOutput);
}
payslipOutput.TotalHoursWorked = payslipOutput.ShiftOutputs.Sum(so => so.TotalHoursWorked);
payslipOutput.TotalNormalHoursWorked = payslipOutput.ShiftOutputs.Sum(so => so.NormalHoursWorked);
payslipOutput.TotalOvertimeHoursWorked = payslipOutput.ShiftOutputs.Sum(so => so.OvertimeHoursWorked);
payslipOutput.TotalEarning = payslipOutput.ShiftOutputs.Sum(so => so.Earning);
//init response properties
payslipOutput.Message = "payslip has been successfully generated";
payslipOutput.IsSuccessful = true;
return(payslipOutput);
}
