public void addDevice(DeviceListItem i)
{
OwnerListItem l = deviceOwnerProvider.getOwner(dataOwnerID);
l.lastDeviceID = deviceProvider.addDevice(dataOwnerID, l.lastDeviceID, i);
if (l.firstDeviceID == 0)
{
l.firstDeviceID = l.lastDeviceID;
}
deviceOwnerProvider.updateOwner(dataOwnerID, l);
}
public void deleteDevice(int ID)
{
OwnerListItem l = deviceOwnerProvider.getOwner(dataOwnerID);
if (l.firstDeviceID == ID)
{
l.firstDeviceID = deviceProvider.getNextDevice(dataOwnerID, ID);
}
if (l.lastDeviceID == ID)
{
l.lastDeviceID = deviceProvider.getPrevDevice(dataOwnerID, ID);
}
DeletedDevicePosition r = deviceProvider.deleteDevice(dataOwnerID, ID);
if (r == DeletedDevicePosition.first || r == DeletedDevicePosition.last)
{
deviceOwnerProvider.updateOwner(dataOwnerID, l);
}
}