private bool AddNewRecurringReservation(ReservationCollection reservations, ReservationData data)
{
// [2013-05-16 jg] We need find any existing, unended and uncancelled reservations in the
// same time slot. This can happen if there are overlapping recurring reservation patterns.
// To determine if two reservations overlap I'm using this logic: (StartA < EndB) and(EndA > StartB)
// [2019-06-10 jg] Can also overlap if the RecurrenceID and time slots are the same,
// regardless of IsActive. This will prevent previously cancelled recurrences from being
// created again.
// Step 1. Get any overlapping by resource and date range.
var overlapping = reservations.Where(x => x.ResourceID == data.ResourceID &&
(x.BeginDateTime <data.Duration.EndDateTime && x.EndDateTime> data.Duration.BeginDateTime)).ToList();
// Step 2. Check for any active (uncancelled) or a reservation with the same RecurrenceID (cancelled or uncancelled).
// The idea here is a recurrence should be created if the time slot is unused or there is a cancelled reservation unless
// the cancelled reservation is the same recurrence, in which case we do not want to create the recurrence again.
var isOverlapped = overlapping.Any(x => x.IsActive || x.RecurrenceID == data.RecurrenceID);
//var overlapping = reservations.Any(x =>
// (x.IsActive || x.RecurrenceID == data.RecurrenceID)
// && x.ResourceID == data.ResourceID
// && (x.BeginDateTime < data.Duration.EndDateTime && x.EndDateTime > data.Duration.BeginDateTime)
// && x.ActualEndDateTime == null); <-- this was causing a problem when an existing cancelled recurrence was present because in this case ActualEndDateTime was not null so the recurrence was created again.
if (!isOverlapped)
{
var util = Reservations.Create(Provider, DateTime.Now);
var rsv = util.CreateReservation(data);
reservations.Add(rsv);
return(true);
}
return(false);
}
/// <summary>
/// Returns true if a new reservation is created.
/// </summary>
public bool AddRegularFromRecurring(ReservationCollection reservations, IReservationRecurrence rr, DateTime d)
{
// reservations should contain cancelled reservations
// first, find out the pattern type
if (rr.PatternID == (int)PatternType.Weekly)
{
if (rr.PatternParam1 == (int)d.DayOfWeek)
{
if ((d >= rr.BeginDate && rr.EndDate == null) || (d >= rr.BeginDate && d <= rr.EndDate.Value))
{
return(AddNewRecurringReservation(reservations, GetReservationData(rr, d)));
}
}
}
else if (rr.PatternID == (int)PatternType.Monthly)
{
if ((d >= rr.BeginDate && rr.EndDate == null) || (d >= rr.BeginDate && d <= rr.EndDate))
{
DateTime dayOfMonth = GetDate(new DateTime(d.Year, d.Month, 1), rr.PatternParam1, (DayOfWeek)rr.PatternParam2);
if (d.Date == dayOfMonth)
{
return(AddNewRecurringReservation(reservations, GetReservationData(rr, d)));
}
}
}
// currently only supports two types
return(false);
}
