269 lines
8.4 KiB
Python
269 lines
8.4 KiB
Python
import time
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from typing import Optional
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from django.db.models import Q, Min, Max
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from rest_framework import serializers
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from django.core.cache import cache
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from mosquito.models import Mosquito, MosqPost, DeviceTempLog, WeatherLog, WeatherStationInfo, DeviceInfo
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from smart.api.serializers import SmartPushListSerializer
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class MosqListSerializer(serializers.ModelSerializer):
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class Meta:
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model = Mosquito
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fields = [
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'name',
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'device_id',
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'region'
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]
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class MosqPostListSerializer(serializers.ModelSerializer):
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smart_push = SmartPushListSerializer(read_only=True)
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region = serializers.SerializerMethodField()
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class Meta:
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model = MosqPost
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fields = [
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'id',
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'mosq',
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'led',
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'energy',
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'region',
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'smart_push',
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'time',
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]
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def get_region(self, obj):
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return obj.mosq.region
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class DeviceTempLogSerializer(serializers.ModelSerializer):
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last_time = serializers.SerializerMethodField()
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create_time = serializers.SerializerMethodField()
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class Meta:
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model = DeviceTempLog
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fields = ['device_id', 'temperature', 'humidity', 'last_time', 'create_time']
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def get_last_time(self, obj):
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return obj.last_time.strftime('%Y-%m-%d %H:%M:%S')
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def get_create_time(self, obj):
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return obj.last_time.strftime('%Y-%m-%d %H:%M:%S')
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class DeviceSourceException(Exception):
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"""
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source should be counter | mosquito
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"""
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class WeatherLogBaseSerializer(serializers.ModelSerializer):
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class Meta:
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model = WeatherLog
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fields = '__all__'
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class WeatherStationInfoBaseSerializer(serializers.ModelSerializer):
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class Meta:
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model = WeatherStationInfo
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fields = '__all__'
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device_source_map = {
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'counter': WeatherLogBaseSerializer,
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'mosquito': WeatherStationInfoBaseSerializer,
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}
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def get_device(device_id: str, source: str) -> Optional[dict]:
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"""
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Get device data serialized by DeviceCountBaseSerializer (counter) or DeviceInfoBaseSerializer (mosquito),
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For source 'counter', we get device from device_counter table not device_info, because
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the [lon, lat] info is located in device_counter.
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For source 'mosquito', we get device from mosquito/DeviceInfo model,
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due to the [point_x, point_y] is what we want.
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params: device_id,
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params: source, counter | mosquito
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return: dict
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"""
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device_key = 'device_lon_{}'.format(device_id)
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device = cache.get(device_key)
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if device:
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return device
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if source == 'counter':
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qs = WeatherLog.objects.filter(~Q(longitude=0),
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device_id=device_id).order_by('-data_time')
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elif source == 'mosquito':
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qs = WeatherStationInfo.objects.filter(device_id=device_id)
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else:
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raise DeviceSourceException("source should be counter or mosquito")
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if qs.count() == 0:
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return None
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device = qs.first()
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s = device_source_map[source](device)
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data = s.data
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cache.set(device_key, data, 60 * 10)
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print(data)
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return data
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class WeatherLogSerializer(serializers.ModelSerializer):
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power = serializers.SerializerMethodField()
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data_time = serializers.SerializerMethodField()
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create_time = serializers.SerializerMethodField()
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class Meta:
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model = WeatherLog
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fields = [
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'data_time',
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'device_id',
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'device_name',
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'env_temp',
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'temperature1', 'temperature2', 'temperature3', 'temperature4', 'temperature5', 'dew_point_temp',
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'env_humi', 'soil_humi1', 'soil_humi2', 'soil_humi3',
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'co2', 'evaporation', 'air_pressure',
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'total_radiation_1_ins', 'scat_radiation_ins', 'direct_radiation_ins', 'total_radiation_2_ins',
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'net_radiation_ins', 'pho_radiation_ins', 'uv_radiation_ins',
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'wind_direction', 'wind_speed_ins', 'wind_speed_2mins', 'wind_speed_10mins',
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'rainfall_interval_cum', 'sunshine_time_interval_cum', 'total_radiation_1_interval_cum',
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'scat_radiation_interval_cum', 'direct_radiation_interval_cum', 'total_radiation_2_interval_cum',
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'net_radiation_interval_cum', 'pho_radiation_interval_cum', 'uv_radiation_interval_cum',
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'rainfall_daily_cum', 'sunshine_time_daily_cum', 'total_radiation_1_daily_cum',
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'scat_radiation_daily_cum', 'direct_radiation_daily_cum', 'total_radiation_2_daily_cum',
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'net_radiation_daily_cum', 'pho_radiation_daily_cum', 'uv_radiation_daily_cum',
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'light_intensity',
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'power',
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'pm25',
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'create_time',
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]
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def get_power(self, obj):
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# power max 12.6V, min 8.5V
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power = int((float(obj.power) - 8.5) / 4.1 * 100)
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return str(power)
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def get_data_time(self, obj):
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return obj.data_time.strftime('%Y-%m-%d %H:%M:%S')
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def get_create_time(self, obj):
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return obj.data_time.strftime('%Y-%m-%d %H:%M:%S')
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class WeatherLogWithInfoSerializer(WeatherLogSerializer):
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longitude = serializers.SerializerMethodField()
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latitude = serializers.SerializerMethodField()
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location_id = serializers.SerializerMethodField()
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point_x = serializers.SerializerMethodField()
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point_y = serializers.SerializerMethodField()
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class Meta:
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model = WeatherLog
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fields = [
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'data_time',
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'device_id',
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'device_name',
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'env_temp',
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'temperature1', 'temperature2', 'temperature3', 'temperature4', 'temperature5', 'dew_point_temp',
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'env_humi', 'soil_humi1', 'soil_humi2', 'soil_humi3',
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'co2', 'evaporation', 'air_pressure',
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'total_radiation_1_ins', 'scat_radiation_ins', 'direct_radiation_ins', 'total_radiation_2_ins',
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'net_radiation_ins', 'pho_radiation_ins', 'uv_radiation_ins',
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'wind_direction', 'wind_speed_ins', 'wind_speed_2mins', 'wind_speed_10mins',
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'rainfall_interval_cum', 'sunshine_time_interval_cum', 'total_radiation_1_interval_cum',
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'scat_radiation_interval_cum', 'direct_radiation_interval_cum', 'total_radiation_2_interval_cum',
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'net_radiation_interval_cum', 'pho_radiation_interval_cum', 'uv_radiation_interval_cum',
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'rainfall_daily_cum', 'sunshine_time_daily_cum', 'total_radiation_1_daily_cum',
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'scat_radiation_daily_cum', 'direct_radiation_daily_cum', 'total_radiation_2_daily_cum',
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'net_radiation_daily_cum', 'pho_radiation_daily_cum', 'uv_radiation_daily_cum',
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'light_intensity',
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'power',
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'pm25',
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'create_time',
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'longitude',
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'latitude',
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'location_id',
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'point_x',
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'point_y',
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]
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.device = None
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def get_longitude(self, obj):
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device = self.device
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print(device)
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if device:
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if device.longitude:
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return device.longitude
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return None
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def get_latitude(self, obj):
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device = self.device
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print(device)
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if device:
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if device.latitude:
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return device.latitude
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return None
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def get_location_id(self, obj):
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device = self.device
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print(device)
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if device:
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if device.location_id:
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return device.location_id
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return None
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def get_point_x(self, obj):
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device = self.device
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if device:
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if device.point_x:
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return device.point_x
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return None
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def get_point_y(self, obj):
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device = self.device
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if device:
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if device.point_y:
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return device.point_y
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return None
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class WeatherStationInfoSerializer(serializers.ModelSerializer):
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class Meta:
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model = WeatherStationInfo
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fields = [
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'device_id',
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'device_name',
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'longitude',
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'latitude',
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'location_id',
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'point_x',
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'point_y',
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]
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class DeviceInfoSerializer(serializers.ModelSerializer):
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class Meta:
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model = DeviceInfo
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fields = [
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'device_id',
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'device_name',
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'longitude',
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'latitude',
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'weather_device_id',
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'weather_code',
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'location_id',
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'point_x',
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'point_y',
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]
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