def _set_launch(buoy_id, now):
"""Orders a buoy to start scanning."""
models.change_status(buoy_id, const.BUOY_ACTIVE)
models.set_action_buoy(buoy_id, const.BUOY_AC_LAUNCH, now)
def _set_stop(buoy_id):
"""Orders a buoy to stop scanning."""
models.change_status(buoy_id, const.BUOY_STOPPED)
models.set_action_buoy(buoy_id, const.BUOY_AC_STOP)
