class CoolingControll(object):
def __init__(self, process):
self.process = process
self.serial_comunication = SerialCalls()
def handle_states(self):
state = self.process.state
if state == STATES.get('turn_on_chiller'):
logger.info("[Cooling] Function defined: turn_on_chiller")
self.turn_on_chiller()
elif state == STATES.get('check_temperature'):
logger.info("[Cooling] Function defined: check_temperature")
self.check_temperature()
def turn_on_chiller(self):
self.serial_comunication.turn_on_chiller()
logger.info('[Cooling] Turning on water on chiller')
self.process.state = STATES.get('check_temperature')
self.process.save()
logger.info("[Cooling] State changed! New state: check_temperature")
def check_temperature(self):
temperature = ThermalSensor.get_current_temperature()
logger.info("[Cooling] Temperature: %.2f" % temperature)
if temperature < 2:
logger.info("[Cooling] Temperature is lower than 20 degrees")
self.serial_comunication.turn_off_chiller()
logger.info("[Cooling] Turning off water on chiller")
self.process.state = fermentation.STATES.get('chill_must')
self.process.save()
logger.info("[Cooling] Cooling stage completed! "
"New state: chill_must")
