public IEnumerable <Payslip> GeneratePayslips(IFormFile file)
{
var payslips = new List <Payslip>();
using (var reader = new StreamReader(file.OpenReadStream()))
{
while (!reader.EndOfStream)
{
var line = reader.ReadLine();
var cells = line.Split(',');
decimal annualSalary;
decimal superRate;
if (this.IsFormFileDataValid(cells, out annualSalary, out superRate))
{
var firstName = cells[0];
var lastName = cells[1];
var paymentStartDate = cells[4];
var payslip = new Payslip();
payslip.Name = _taxCalculatorService.GetFullName(firstName, lastName);
payslip.PayPeriod = paymentStartDate;
payslip.GrossIncome = _taxCalculatorService.CalculateGrossIncome(annualSalary);
payslip.IncomeTax = _taxCalculatorService.CalculateIncomeTax(annualSalary);
payslip.NetIncome = _taxCalculatorService.CalculateNetIncome(payslip.GrossIncome, payslip.IncomeTax);
payslip.Super = _taxCalculatorService.CalculateSuper(payslip.GrossIncome, superRate);
payslips.Add(payslip);
}
}
}
return(payslips);
}
public void CalculateIncomeTax_ForZeroSalary_ReturnsZero()
{
//Arrange
//Act
var tax = _taxCalculator.CalculateIncomeTax(0, CalculationFrequency.Monthly);
//Assert
Assert.AreEqual(0, tax);
}
public PayslipInfo GeneratePayslipForEmployee(EmployeeInformation data)
{
if (!data.IsModelValid())
{
return null;
}
var payslip = new PayslipInfo
{
Name = string.Concat(data.EmployeeFirstName, " ", data.EmployeeLastName),
GrossIncome = ((decimal)(data.AnnualSalary / (int)data.PayslipFrequency)).RoundToNearestInt(),
IncomeTax = _taxCalculator.CalculateIncomeTax(data.AnnualSalary, data.PayslipFrequency),
PayPeriod = data.PayPeriod
};
payslip.Super = ((decimal)(payslip.GrossIncome * data.SuperRate / 100)).RoundToNearestInt();
return payslip;
}
public PaySlip GeneratePaySlip(Employee employee)
{
if (employee == null)
{
throw new Exception("Employee details is not setup");
}
var paySlip = new PaySlip
{
Name = string.Concat(employee.FirstName, " ", employee.LastName),
GrossIncome = Math.Round((decimal)employee.AnnualSalary / 12, MidpointRounding.AwayFromZero),
IncomeTax = _taxCalculatorService.CalculateIncomeTax(employee.AnnualSalary),
PayPeriod = employee.PayPeriod
};
paySlip.Super = Math.Round(paySlip.GrossIncome * employee.SuperRate);
paySlip.NetIncome = paySlip.GrossIncome - paySlip.IncomeTax;
return(paySlip);
}
public Payslip GeneratePaySlip(Employee employee)
{
ValidateEmployeeDetails(employee);
var result = new Payslip()
{
FirstName = employee.FirstName,
LastName = employee.LastName,
AnnualSalary = employee.AnnualSalary,
SuperRate = employee.SuperRate,
PayPeriod = employee.PayPeriod
};
result.IncomeTax = _taxCalculatorService.CalculateIncomeTax(employee.AnnualSalary);
result.NetIncome = result.GrossIncome - result.IncomeTax;
result.Super = Math.Round(result.GrossIncome * decimal.Parse(result.SuperRate.Substring(0, result.SuperRate.IndexOf('%'))) / 100);
return(result);
}
public IActionResult CalculateIncomeTax(IncomeTaxVM incomeTaxVM)
{
if (!ModelState.IsValid)
{
TempData["SaveResult"] = "Error";
return(Redirect("Home/Index"));
}
var result = _taxCalculatorService.CalculateIncomeTax(incomeTaxVM.Map());
if (result == true)
{
TempData["SaveResult"] = "Success";
}
else
{
TempData["SaveResult"] = "Error";
}
return(Redirect("Home/Index"));
}
