def slave_machine_power_on(self, room_id: str,
current_temp: float) -> Tuple[float, int]:
"""
开启指定从机
Returns:
要创建的服务的目标温度, 目标风速
"""
if current_temp is None:
logger.error('当前温度不合法')
raise RuntimeError('当前温度不合法')
room = self.__master_machine.get_room(room_id)
room.current_temp = current_temp
if room.status == room_status.CLOSED:
# 按照默认温度风速创建服务
room.target_temp = self.__master_machine.default_target_temp
room.current_speed = self.__master_machine.default_speed
target_temp, speed = self.__master_machine.default_target_temp, self.__master_machine.default_speed
elif room.status == room_status.STANDBY:
# 按照先前温度和风速创建服务
target_temp, speed = room.target_temp, room.current_speed
else:
logger.error('房间已开机或未入住')
raise RuntimeError('房间已开机或入住')
room.power_on(current_temp)
DBFacade.exec(Log.objects.create,
room_id=room_id,
operation=operations.POWER_ON,
op_time=datetime.datetime.now())
return target_temp, speed
def get_report(self, room_id: str, start_time: datetime.datetime,
finish_time: datetime.datetime):
"""获取指定房间的报表"""
details = DBFacade.exec(DetailModel.objects.filter,
room_id=room_id,
start_time__gte=start_time,
finish_time__lte=finish_time)
logs = DBFacade.exec(Log.objects.filter,
room_id=room_id,
op_time__gte=start_time,
op_time__lte=finish_time)
duration = 0
fee = 0.0
for d in details:
duration += (d.finish_time - d.start_time).seconds
fee += d.fee
times_of_on_off = 0
times_of_dispatch = 0
times_of_change_temp = 0
times_of_change_speed = 0
for l in logs:
times_of_on_off += 1 if l.operation == operations.POWER_ON or l.operation == operations.POWER_OFF else 0
times_of_dispatch += 1 if l.operation == operations.DISPATCH else 0
times_of_change_temp += 1 if l.operation == operations.CHANGE_TEMP else 0
times_of_change_speed += 1 if l.operation == operations.CHANGE_SPEED else 0
return Report(room_id, start_time, finish_time, duration,
times_of_on_off, times_of_dispatch, times_of_change_temp,
times_of_change_speed, len(details), round(fee, 2))
def slave_machine_power_off(self, room_id):
"""关闭指定从机"""
room = self.__master_machine.get_room(room_id)
if room.status == room_status.CLOSED:
logger.error('房间已关机')
raise RuntimeError('房间已关机')
self.__service_queue.remove(room_id)
self.__wait_queue.remove(room_id)
room.close_up()
DBFacade.exec(Log.objects.create,
room_id=room_id,
operation=operations.POWER_OFF,
op_time=datetime.datetime.now())
def finish(self):
"""服务结束"""
detail = Detail(
None, self.room.room_id, self.start_time,
self.start_time + datetime.timedelta(seconds=self.duration),
self.target_speed, self.fee_rate, self.fee_since_start)
DBFacade.exec(DetailModel.objects.create,
room_id=detail.room_id,
start_time=detail.start_time,
finish_time=detail.finish_time,
speed=detail.target_speed,
fee_rate=detail.fee_rate,
fee=detail.fee)
self.__start_time = ...
logger.info('房间' + self.room.room_id + '停止服务')
def change_speed(self, room_id: str, target_speed: int):
"""
改变目标风速
Args:
room_id: 房间号
target_speed: 目标风速
"""
if target_speed not in (fan_speed.LOW, fan_speed.NORMAL,
fan_speed.HIGH):
logger.error('目标风速不合法')
raise RuntimeError('目标风速不合法')
room = self.__master_machine.get_room(room_id)
if room.status == room_status.CLOSED or room.status == room_status.AVAILABLE:
logger.error('未入住或未开机')
raise RuntimeError('未入住或未开机')
room.current_speed = target_speed
air_conditioner_service = self.__service_queue.get_service(room_id)
if air_conditioner_service is not None: # 在服务队列中
self.__service_queue.remove(room_id)
air_conditioner_service.target_speed = target_speed
air_conditioner_service.fee_rate = self.__master_machine.fee_rate[
target_speed]
while air_conditioner_service.target_speed < self.__wait_queue.max_speed:
service_to_serve = self.__wait_queue.pop()
if service_to_serve is not None:
self.__update_service.push_service(service_to_serve)
else:
break
self.__update_service.push_service(air_conditioner_service)
else:
air_conditioner_service = self.__wait_queue.get_service(room_id)
if air_conditioner_service is not None: # 在等待队列中
self.__wait_queue.remove(room_id)
air_conditioner_service.target_speed = target_speed
air_conditioner_service.fee_rate = self.__master_machine.fee_rate[
target_speed]
self.__update_service.push_service(air_conditioner_service)
DBFacade.exec(Log.objects.create,
room_id=room_id,
operation=operations.CHANGE_SPEED,
op_time=datetime.datetime.now())
logger.info('房间' + room_id + '改变目标风速为' + str(target_speed))
def change_temp(self, room_id: str, target_temp: float):
"""
改变目标温度
Args:
room_id: 房间号
target_temp: 目标温度
"""
if not self.__master_machine.temp_low_limit <= target_temp <= self.__master_machine.temp_high_limit:
logger.error('目标温度不合法')
raise RuntimeError('目标温度不合法')
room = self.__master_machine.get_room(room_id)
if room.status == room_status.CLOSED or room.status == room_status.AVAILABLE:
logger.error('未入住或未开机')
raise RuntimeError('未入住或未开机')
room.target_temp = target_temp
DBFacade.exec(Log.objects.create,
room_id=room_id,
operation=operations.CHANGE_TEMP,
op_time=datetime.datetime.now())
logger.info('房间' + room_id + '改变目标温度为' + str(target_temp))
def _task(self):
"""周期定时任务"""
reach_temp_services = self.__service_queue.update(
self.__master_machine.mode)
for service in reach_temp_services:
self.__service_queue.remove(service.room.room_id)
logger.info('房间' + service.room.room_id + '到达设定温度')
service.room.status = room_status.STANDBY
timeout_services = self.__wait_queue.update(self.__master_machine.mode)
for service in timeout_services:
if self.push_service(service) is True:
DBFacade.exec(Log.objects.create,
room_id=service.room.room_id,
operation=operations.DISPATCH,
op_time=datetime.datetime.now())
while self.__service_queue.has_space():
service = self.__wait_queue.pop()
if service is not None:
self.push_service(service)
else:
break
def push(
self, service: AirConditionerService
) -> Tuple[bool, Optional[AirConditionerService]]:
"""
将服务对象加入服务队列
Returns:
如果房间能被加入服务队列, 则返回(True, 被换出的服务对象)
如果房间不能被加入服务队列, 则返回(False, service)
"""
if len(self.queue) < self.__MAX_NUM:
self.queue[service.room.room_id] = service
self.__update_max_min_speed()
service.start()
return True, None
elif service.target_speed > self.__min_speed:
services = [
s for s in list(self.queue.values())
if s.target_speed == self.__min_speed
]
if len(services) == 1:
service_to_pop = services[0]
else:
service_to_pop = max(services, key=lambda x: x.duration)
self.queue.pop(service_to_pop.room.room_id)
self.queue[service.room.room_id] = service
service_to_pop.finish()
self.__update_max_min_speed()
service.start()
DBFacade.exec(Log.objects.create,
room_id=service.room.room_id,
operation=operations.DISPATCH,
op_time=datetime.datetime.now())
return True, service_to_pop
elif service.target_speed == self.__min_speed and service.target_speed == self.__max_speed:
service.wait_time = 120
else:
service.wait_time = 86400 # 无限等待
return False, service
def get_detail(self, room_id: str):
"""获取指定房间的详单"""
room = self.get_room(room_id)
if room.status != room_status.AVAILABLE:
logger.error('需先退房')
raise RuntimeError('需先退房')
details = DBFacade.exec(DetailModel.objects.filter,
room_id=room_id,
start_time__gte=room.check_in_time,
finish_time__lte=room.check_out_time)
return room.check_in_time, [
Detail(d.detail_id, d.room_id, d.start_time, d.finish_time,
d.speed, d.fee_rate, d.fee) for d in details
]