/// <summary>
/// Update an existing Guest in the databse.
/// </summary>
/// <param name="p_guest">New Guest-Object.</param>
/// <returns>The updated Guest-Object. NULL, or Exception if an error occurs.</returns>
public Guest Update(Guest p_guest)
{
using (var context = new FhdwHotelContext())
{
using (var transaction = context.Database.BeginTransaction())
{
try
{
p_guest.ContactAddress = context.Address.SingleOrDefault(a => a.ID == p_guest.ContactAddress.ID);
p_guest.BillingAddress = context.Address.SingleOrDefault(a => a.ID == p_guest.BillingAddress.ID);
context.Guest.Add(p_guest);
context.SaveChanges();
transaction.Commit();
return p_guest;
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
transaction.Rollback();
return null;
}
}
}
}
/// <summary>
/// Add, or Update a Guest.
/// </summary>
/// <param name="p_guest">Guestobject</param>
/// <returns>Updated, or added Guest.</returns>
public Guest SaveGuest(Guest p_guest)
{
if (p_guest == null) return null;
p_guest.Password = Convert.ToBase64String(SHA256.Create().ComputeHash(Encoding.UTF8.GetBytes(p_guest.Password)));
return p_guest.ID == 0 ? _guestRepository.Insert(p_guest) : _guestRepository.Update(p_guest);
}