// GET api/<controller>
public Taxcard Get(string id)
{
var taxcard = new Taxcard {
TaxPercentage = 34M, TaxcardId = id
};
return(taxcard);
//GetEmployerQuery query = new GetEmployerQuery("foo");
//return query.Execute();
}
public SalaryCalculationResults CalculateSalary(Taxcard taxCard, decimal grossSalary)
{
if (taxCard == null)
{
throw new SalaryCalculationException("Salary calculation requires a valid tax card.");
}
decimal taxPercentage = taxCard.TaxPercentage;
decimal tax = grossSalary * (taxPercentage / 100);
decimal netSalary = grossSalary - tax;
var results = new SalaryCalculationResults();
results.NetSalary = netSalary;
results.Tax = tax;
return(results);
}
public override void Execute()
{
//The BL is not allowed to run any queries, it can not even reference this assembly containing the
//queries because that would be a cyclical reference. We need to give all data to the BL.
IQueryable <SalaryCalculation> previousSalaries =
QueryRunner.ExecuteQuery(new GetSalaryCalculationsForAnEmployee(db, _employeeId));
var validation = new SalaryCalculationValidation();
validation.ValidateSalaryCalculationPreConditions(_periodStartDate, _periodEndDate, previousSalaries);
string idString = _employeeId;
Taxcard taxCard = db.Taxcards.SingleOrDefault(card => card.EmployeeId == idString);
var calculator = new SalaryCalculator();
SalaryCalculationResults res = calculator.CalculateSalary(taxCard, _grossSalary);
//Saving the new calculation is not BL, that's why it is here.
var salaryCalc = new SalaryCalculation
{
//EmployeeId = _employeeId,
//GrossAmount = _grossSalary,
//NetAmount = res.NetSalary,
//PeriodStartDate = _periodStartDate,
//PeriodEndDate = _periodEndDate,
//Tax = res.Tax,
SalaryCalculationId = Guid.NewGuid().ToString()
};
db.SalaryCalculations.Add(salaryCalc);
db.SaveChanges();
//You could argue that sending this event could be BL. Or you can say it is an infrastructural concern, like using
//a transaction (if that was required here). However, it can not really exist in the salary calculation core because
//the core only calculates and the whole process is not done until the result is persisted. So I would say this is
//the right place after all.
MessageBus.Send(new SalaryCalculationDoneEvent());
}
// POST api/<controller>
public void Post([FromBody] Taxcard value)
{
}
