108 lines
3.0 KiB
Python
108 lines
3.0 KiB
Python
from django.utils import timezone
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from django.db.models import Sum
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from rest_framework import serializers
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from counter.models import DeviceCount, DeviceInfo
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class DeviceCountSerializer(serializers.ModelSerializer):
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mosq_count = serializers.SerializerMethodField()
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signal = serializers.SerializerMethodField()
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energy = serializers.SerializerMethodField()
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calc_time = serializers.SerializerMethodField()
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class Meta:
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model = DeviceCount
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fields = [
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'id',
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'device_id',
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'signal',
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'mosq_count',
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'energy',
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'calc_time',
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'longitude',
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'latitude'
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]
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def get_mosq_count(self, obj):
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return obj.count
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def get_signal(self, obj):
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return obj.csq
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def get_energy(self, obj):
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return obj.vol
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def get_calc_time(self, obj):
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return obj.data_time.strftime('%Y-%m-%d %H:%M:%S')
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class DeviceInfoSerializer(serializers.ModelSerializer):
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compile_time = serializers.SerializerMethodField()
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last_connect = serializers.SerializerMethodField()
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last_offline_time = serializers.SerializerMethodField()
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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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'chip_type',
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'chip_id',
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'compile_time',
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'online',
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'last_connect',
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'last_offline_time'
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]
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def get_compile_time(self, obj):
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if obj.compile_time:
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return obj.compile_time.strftime('%Y-%m-%d %H:%M:%S')
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return None
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def get_last_connect(self, obj):
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if obj.last_connect:
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return obj.last_connect.strftime('%Y-%m-%d %H:%M:%S')
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return None
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def get_last_offline_time(self, obj):
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if obj.last_offline_time:
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return obj.last_offline_time.strftime('%Y-%m-%d %H:%M:%S')
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return None
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class DeviceLogStatisticSerializer(serializers.ModelSerializer):
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total_count = serializers.SerializerMethodField()
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daily_count = serializers.SerializerMethodField()
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class Meta:
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model = DeviceCount
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fields = [
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'total_count',
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'daily_count',
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]
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def get_total_count(self, obj):
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return obj.objects.aggregate(total=Sum('count'))['total']
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def get_daily_count(self, obj):
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today = timezone.datetime.now().date()
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return obj.objects.filter(data_time__gt=today).aggregate(total=Sum('count'))['total']
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class DeviceInfoStatisticSerializer(serializers.ModelSerializer):
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online_count = serializers.SerializerMethodField()
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offline_count = serializers.SerializerMethodField()
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class Meta:
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model = DeviceInfo
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fields = [
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'online_count',
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'offline_count'
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]
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def get_online_count(self, obj):
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return obj.objects.filter(online=1).count()['total']
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def get_offline_count(self, obj):
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return obj.objects.filter(online=0).count()['total']
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