Answer Posted / testndl002
BusinessLayer --> QuoteEngine.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using TravelInsuranceQuote.DataLayer;
namespace TravelInsuranceQuote.BusinessLayer
{
public class QuoteEngine
{
public double GetBasePremium(TripType tripType)
{
double basePremium = 0;
switch (tripType)
{
case TripType.Single:
basePremium = 20.00;
break;
case TripType.Annual:
basePremium = 80.00;
break;
}
return basePremium;
}
public double GetAgeRating(int age)
{
if (age <= 18)
{
return 1.2;
}
else if (age <= 45)
{
return 1.0;
}
else if (age <= 55)
{
return 1.2;
}
else if (age <= 65)
{
return 1.8;
}
else if (age <= 70)
{
return 2.0;
}
return 0;
}
public double GetSexRating(Sex sex)
{
double sexRating = 0;
switch (sex)
{
case Sex.Male:
sexRating = 1.2;
break;
case Sex.Female:
sexRating = 0.9;
break;
}
return sexRating;
}
public double GetDestinationRating(Destination destination)
{
double destinationRating = 0;
switch (destination)
{
case Destination.UK:
destinationRating = 0.6;
break;
case Destination.Europe:
destinationRating = 1.0;
break;
case Destination.Worldwide:
destinationRating = 1.4;
break;
}
return destinationRating;
}
public double GetTravelPeriodRating(int days)
{
if (days <= 7)
{
return 0.5;
}
else if (days <= 14)
{
return 0.9;
}
else if (days <= 30)
{
return 1.2;
}
return 0;
}
public double[] GetUpdatedPremium(double premium, double rate)
{
var updatedPremium = new double[2];
updatedPremium[0] = Math.Round((premium * rate), 2);
updatedPremium[1] = Math.Round((updatedPremium[0] - premium), 2);
return updatedPremium;
}
public CustomerPremium GetPremium(Customer customer, out string reason)
{
var customerPremium = new CustomerPremium();
customerPremium.Base = GetBasePremium(customer.TripType);
var ageRating = GetAgeRating(customer.Age);
if (ageRating == 0)
{
reason = "Age";
return null;
}
customerPremium.Age = GetUpdatedPremium(customerPremium.Base, ageRating);
var sexRating = GetSexRating(customer.Sex);
customerPremium.Sex = GetUpdatedPremium(customerPremium.Age[0], sexRating);
var destinationRating = GetDestinationRating(customer.Destination);
customerPremium.Destination = GetUpdatedPremium(customerPremium.Sex[0], destinationRating);
var travelPeriodRating = GetTravelPeriodRating(customer.TravelPeriod);
if (travelPeriodRating == 0)
{
reason = "TravelPeriod";
return null;
}
customerPremium.TravelPeriod = GetUpdatedPremium(customerPremium.Destination[0], travelPeriodRating);
customerPremium.Tax = GetUpdatedPremium(customerPremium.TravelPeriod[0], 1.05);
customerPremium.Total = customerPremium.Tax[0];
reason = string.Empty;
return customerPremium;
}
}
}
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