public void AddRisk(Risk risk, DateTime validFrom)
{
if (policy.InsuredRisks.Any(r => r.Name.ToLowerInvariant() == risk.Name.ToLowerInvariant()))
{
throw new ExistingRiskException("Risk with such name is already insured");
}
var insurancePeriod = new NewInsurancePeriod(validFrom, policy.ValidTill);
var newRiskInsurancePeriod = new RiskInsurancePeriod(insurancePeriod, risk);
var addedPremiumForNewRisk = newRiskInsurancePeriod.CalculatePremium();
policy.Premium += addedPremiumForNewRisk;
policy.InsuredRisks.Add(risk);
}
public void RemoveRisk(Risk risk, DateTime validTill)
{
if (!policy.InsuredRisks.Any(r => r.Name.ToLowerInvariant() == risk.Name.ToLowerInvariant()))
{
throw new InvalidRiskException("Risk with such name is not insured");
}
var calculateReturnedPremiumFrom = validTill.AddMonths(1);
if (calculateReturnedPremiumFrom > policy.ValidTill)
{
throw new InvalidRiskRemovePeriodException("Can not remove risk as it's insurance period ends at the same month with policy");
}
var insurancePeriod = new InsurancePeriod(calculateReturnedPremiumFrom, policy.ValidTill);
var nonInsuredRiskPeriod = new RiskInsurancePeriod(insurancePeriod, risk);
var returnedPremiumForRemovedRisk = nonInsuredRiskPeriod.CalculatePremium();
policy.Premium -= returnedPremiumForRemovedRisk;
policy.InsuredRisks.Remove(risk);
}
