public void DeleteTheater(int TheaterID)
{
TheaterDal dal = new TheaterDal();
dal.DeleteEntity(TheaterID);
// Remove the theater from the cache
rwl.AcquireWriterLock(new TimeSpan(1, 0, 0));
if (HallCache[TheaterID.ToString()] != null)
HallCache.Remove(TheaterID.ToString());
rwl.ReleaseWriterLock();
}
/// <summary>
/// Internal implementation of Find theater
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
private Contracts.Theater InternalFindTheater(string key)
{
Contracts.Theater result = null;
// If the theater is in the cache return it from there
rwl.AcquireReaderLock(new TimeSpan(1, 0, 0));
if (HallCache[key] != null)
{
result = (HallCache[key] as Contracts.Theater);
rwl.ReleaseReaderLock();
return result;
}
rwl.ReleaseReaderLock();
//Read the theater info from the DB
TheaterDal dal = new TheaterDal();
int id;
// look in the data access according to the id.
if (int.TryParse(key,out id))
result = dal.GetEntity(id);
// look in the data access according to the name
if (result == null)
result = dal.GetEntity(key);
//Write it to the cache
if (result != null)
{
rwl.AcquireWriterLock(new TimeSpan(1, 0, 0));
HallCache.Add(result.ID.ToString(), result, null, DateTime.Now.AddYears(1),
Cache.NoSlidingExpiration, CacheItemPriority.High, null);
rwl.ReleaseWriterLock();
}
return result;
}
public void UpdateTheater(Contracts.Theater newTheater)
{
TheaterDal dal = new TheaterDal();
// Add the theater to the cache
rwl.AcquireWriterLock(new TimeSpan(1, 0, 0));
if (HallCache[newTheater.ID.ToString()] != null)
HallCache.Remove(newTheater.ID.ToString());
HallCache.Add(newTheater.ID.ToString(), newTheater, null, DateTime.Now.AddYears(1),
Cache.NoSlidingExpiration, CacheItemPriority.High, null);
rwl.ReleaseWriterLock();
dal.UpdateEntity(newTheater);
}
/// <summary>
/// Submit a new reservation
/// </summary>
/// <param name="reservation"></param>
/// <returns></returns>
public Guid CreateResrvation(Contracts.Reservation reservation)
{
// Create the event in the database
ReservationDal reservationDal = new ReservationDal();
TheaterDal theaterDal = new TheaterDal();
//1. validate
foreach (var si in reservation.Seats)
{
if ((si.Row < 0) || (si.Seat < 0))
throw new ArgumentException(StringsResource.InvalidSeatOrRow);
//Check that there is no other reservation for the same seats
var takenSeats = GetHallState(reservation.EventID);
foreach (var item in reservation.Seats)
{
if (takenSeats.Contains(item))
throw new ReservationException(StringsResource.SeatAlreadyTaken);
}
}
//2. Create an ID if needed.
if (reservation.ID == Guid.Empty)
reservation.ID = Guid.NewGuid();
//3. Create the reservation
Guid id = reservationDal.CreateEntity(reservation);
//4. Add it to the cache.
rwl.AcquireWriterLock(new TimeSpan(1,0,0));
if (HallCache[reservation.EventID.ToString()] == null)
HallCache.Add(reservation.EventID.ToString(), new List<Contracts.Reservation>() { reservation },
null,DateTime.Now.AddDays(30),TimeSpan.FromHours(5),CacheItemPriority.Normal,null);
else
(HallCache[reservation.EventID.ToString()] as List<Contracts.Reservation>).Add(reservation);
rwl.ReleaseWriterLock();
return id;
}
