public int RevokeFrequentFlyerMiles(int travelerId, int milesToRevoke)
{
int actualMilesToRevoke = 0;
using (FrequentFlyerRepository repository = new FrequentFlyerRepository(ConnectionName))
{
FrequentFlyer member = repository.GetSingle(travelerId);
//the traveler is not a BB member - 0 miles revoked
if (member == null)
{
return(0);
}
//if the number of miles to revoke exceeds the accumulated miles, just set the accumulated miles to zero
actualMilesToRevoke = Math.Min(member.Miles, milesToRevoke);
member.Miles -= actualMilesToRevoke;
repository.Edit(member);
repository.Save();
}
return(actualMilesToRevoke);
}
public int GetAccumulatedMiles(int travelerId)
{
using (FrequentFlyerRepository repository = new FrequentFlyerRepository(ConnectionName))
{
FrequentFlyer member = repository.GetSingle(travelerId);
if (member == null)
{
return(0);
}
else
{
return(member.Miles);
}
}
}
public int AddFrequentFlyerMiles(int travelerId, int miles)
{
using (FrequentFlyerRepository repository = new FrequentFlyerRepository(ConnectionName))
{
FrequentFlyer member = repository.GetSingle(travelerId);
if (member == null)
{
member = new FrequentFlyer {
TravelerId = travelerId, Miles = miles
};
repository.Add(member);
}
else
{
member.Miles += miles;
repository.Edit(member);
}
repository.Save();
}
return(miles);
}