public bool CanBeReserved(DateTimeSpan requestedDates, int numberOfDaysGap)
{
// Find the booking dates before and after our current
var firstPastReservation = Reservations.Where(kvp => kvp.Key <= requestedDates.EndDate).Select(kvp => kvp.Value).LastOrDefault();
var firstFutureReservation = Reservations.Where(kvp => kvp.Key >= requestedDates.EndDate).Select(kvp => kvp.Value).FirstOrDefault();
if (firstPastReservation != null && requestedDates.Overlaps(firstPastReservation.Span))
{
// The reservation overlaps with the previous reservation
return(false);
}
else if (firstFutureReservation != null && requestedDates.Overlaps(firstFutureReservation.Span))
{
// The reservation overlaps with the next reservation
return(false);
}
else if (firstPastReservation != null && firstPastReservation.EndDate.WillCreateGap(requestedDates.StartDate, numberOfDaysGap))
{
// The reservation would create a gap
return(false);
}
else if (firstFutureReservation != null && firstFutureReservation.StartDate.WillCreateGap(requestedDates.EndDate, numberOfDaysGap))
{
// The reservation would create a gap
return(false);
}
// Nothing disqualifies this site, so we can book it
return(true);
}
public void CanFindOverlap(int startA, int endA, int startB, int endB, bool shouldOverlap)
{
// Setup
var a = new DateTimeSpan(new DateTime(startA), new DateTime(endA));
var b = new DateTimeSpan(new DateTime(startB), new DateTime(endB));
// Test
var overlap = a.Overlaps(b);
// Assert
Assert.Equal(overlap, shouldOverlap);
}
