// checks the database which chalets are occupied in the specified period and returns a list of available chalets
public static List <int> AvailableChalets(DateTime arrivalDate, DateTime departureDate, int chaletId)
{
List <int> availableChalets = new List <int> {
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
};
if (DatabaseCalls.OccupiedChalets(arrivalDate, departureDate, chaletId) != null)
{
foreach (int item in DatabaseCalls.OccupiedChalets(arrivalDate, departureDate, chaletId))
{
availableChalets.Remove(item);
}
}
return(availableChalets);
}