/// <summary>
/// Adds/inserts a new reservation for the given user for the given media.
/// </summary>
/// <param name="mediaId">The ID of the media</param>
/// <param name="userId">The ID of the user</param>
/// <exception cref="ConditionException">ConditionException thrown
/// when user has already to many open reservations</exception>
public void CreateReservation(int mediaId, int userId)
{
// check if max. reservation limit reached
string limitStr = GetSetting(Constants.SettingMaxOpenReservations);
int limit;
if (!int.TryParse(limitStr, out limit))
{
limit = 10; // set default
}
int openReservations = OpenReservations(userId);
if (openReservations < limit)
{
if (!IsReservationOpen(mediaId, userId))
{
using (MediathekEntities context = new MediathekEntities())
{
Reservation res = new Reservation();
res.CreationDate = DateTime.Now;
//res.Media = new Media() { MediaId = mediaId };
//res.User = new User() { UserId = userId };
res.Media = context.MediaSet.FirstOrDefault(m => m.MediaId == mediaId);
res.User = context.Users.FirstOrDefault(u => u.UserId == userId);
context.AddToReservations(res);
context.SaveChanges();
}
}
}
else
{
throw new ConditionException("Es existieren bereits zu viele offene Reservationen");
}
}
/// <summary>
/// Mass creation of reservations for a given user ID.
/// The reservation limit is ignored.
/// If a reservation already exists, new new reservation will created.
/// </summary>
/// <param name="listMediaIds">List with media IDs</param>
/// <param name="userId">The user ID that gets the reservations</param>
public void CreateReservation(List<int> listMediaIds, int userId)
{
using (MediathekEntities context = new MediathekEntities())
{
foreach (int mediaId in listMediaIds)
{
if (!IsReservationOpen(mediaId, userId))
{
Reservation res = new Reservation();
res.CreationDate = DateTime.Now;
//res.Media = new Media() { MediaId = mediaId };
//res.User = new User() { UserId = userId };
res.Media = context.MediaSet.FirstOrDefault(m => m.MediaId == mediaId);
res.User = context.Users.FirstOrDefault(u => u.UserId == userId);
context.AddToReservations(res);
context.SaveChanges();
}
}
}
}