public IPackage PickUpPackage(string code)
{
if (!FilledLockers.ContainsKey(code))
{
throw new Exception("Code is not exist");
}
ILocker locker = FilledLockers[code];
locker.Open();
IPackage package = locker.RetrievePackage();
locker.Close();
FilledLockers.Remove(code);
AddLocker(locker);
return(package);
}
public void PutPackage(IPackage package, User user)
{
ILocker locker = GetAvailableLocker(package.Size);
locker.Open();
locker.PutPackage(package, user);
locker.Close();
string code = GenerateCode(CodeLen);
while (!FilledLockers.ContainsKey(code))
{
code = GenerateCode(CodeLen);
}
FilledLockers[code] = locker;
Notification notification = new Notification(code, package, user, locker);
SendNotification(notification);
}