private static List <MembershipPeriod> GetResultsForPeriod(MembershipPeriod period, DateTime stopPaymentStartDate, DateTime stopPaymentEndDate)
{
List <DateTime> datesToKeep = new List <DateTime>();
for (DateTime date = stopPaymentStartDate.Date; date <= stopPaymentEndDate.Date; date = date.AddDays(1))
{
if (date <= period.StartDate.Date || date >= period.EndDate.Date)
{
datesToKeep.Add(date);
}
}
List <MembershipPeriod> results = new List <MembershipPeriod>();
MembershipPeriod newPeriod = null;
for (int i = 0; i < datesToKeep.Count; i++)
{
if (newPeriod == null)
{
newPeriod = new MembershipPeriod();
newPeriod.MembershipType = period.MembershipType;
newPeriod.StartDate = datesToKeep[i];
}
if (i == datesToKeep.Count - 1 || (datesToKeep[i + 1] - datesToKeep[i]).Days > 1)
{
newPeriod.EndDate = datesToKeep[i];
results.Add(newPeriod);
newPeriod = null;
}
}
return(results);
}
static void Main(string[] args)
{
DateTime stopPaymentStartDate = new DateTime(2011, 08, 1);
DateTime stopPaymentEndDate = new DateTime(2011, 10, 20);
MembershipPeriod gymMembership = new MembershipPeriod
{
MembershipType = MembershipType.Gym,
StartDate = new DateTime(2011, 07, 25),
EndDate = new DateTime(2011, 10, 10)
};
MembershipPeriod magazineMembership = new MembershipPeriod
{
MembershipType = MembershipType.Magazine,
StartDate = new DateTime(2011, 08, 5),
EndDate = new DateTime(2011, 10, 5)
};
MembershipPeriod hotelMembership = new MembershipPeriod
{
MembershipType = MembershipType.Hotel,
StartDate = new DateTime(2011, 08, 20),
EndDate = new DateTime(2011, 11, 8)
};
List <MembershipPeriod> resultsGym = GetResultsForPeriod(gymMembership, stopPaymentStartDate, stopPaymentEndDate);
List <MembershipPeriod> resultsmagazine = GetResultsForPeriod(magazineMembership, stopPaymentStartDate, stopPaymentEndDate);
List <MembershipPeriod> resultshotel = GetResultsForPeriod(hotelMembership, stopPaymentStartDate, stopPaymentEndDate);
}
