class FermentationControll(object):
def __init__(self, process):
self.process = process
self.freezer_temperature = self.process.recipe.fermentation_temperature
self.serial_comunication = SerialCalls()
self.serial_comunication.activate_alarm()
def handle_states(self):
state = self.process.state
if state == STATES.get('chill_must'):
logger.info("[Fermentation] Function defined: chill_must")
self.chill_must()
elif state == STATES.get('maintain_temperature'):
logger.info("[Fermentation] Function defined: "
"maintain_temperature")
self.maintain_temperature()
def chill_must(self):
self.serial_comunication.turn_on_freezer(self.freezer_temperature)
logger.info('[Fermentation] Cooling must on the freezer')
temperature = ThermalSensor.get_current_temperature()
if temperature > self.freezer_temperature:
logger.info("[Fermentation] Fermentation temperature not reached")
self.process.state = STATES.get('chill_must')
# Decrease temperature
pass
else:
logger.info("[Fermentation] Temperature reached!")
self.process.state = STATES.get('maintain_temperature')
logger.info("[Fermentation] State changed! "
"New state: maintain_temperature")
self.process.save()
def maintain_temperature(self):
temperature = ThermalSensor.get_current_temperature()
if self.freezer_temperature - 2 <= temperature \
<= self.freezer_temperature + 2:
logger.info("[Fermentation] Temperature on range")
self.process.state = STATES.get('process_end')
logger.info("[Fermentation] State changed! "
"New state: process_end")
else:
logger.info("[Fermentation] Temperature not on range")
self.process.state = STATES.get('chill_must')
pass
self.process.save()
