75 lines
2.7 KiB
Python
75 lines
2.7 KiB
Python
import pytz
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from datetime import datetime, time
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from django.db.models import Sum, Max
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from rest_framework.generics import (
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ListAPIView,
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RetrieveAPIView,
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CreateAPIView
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)
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from rest_framework.views import APIView
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from rest_framework.response import Response
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from rest_framework.permissions import IsAuthenticated
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from rest_framework.filters import SearchFilter, OrderingFilter
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from mosquito.api.pagination import PostLimitOffsetPagination, PostPageNumberPagination
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from .serializers import (
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DeviceCountSerializer,
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DeviceInfoSerializer,
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)
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from ..models import DeviceCount, DeviceInfo
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class DeviceLogListAPIView(ListAPIView):
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serializer_class = DeviceCountSerializer
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permission_classes = [IsAuthenticated]
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filter_backends = [SearchFilter, OrderingFilter]
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pagination_class = PostPageNumberPagination
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search_fields = ['device_id']
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queryset = DeviceCount.objects.get_queryset().order_by('-data_time')
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class DeviceInfoListAPIView(ListAPIView):
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serializer_class = DeviceInfoSerializer
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permission_classes = [IsAuthenticated]
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filter_backends = [SearchFilter, OrderingFilter]
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pagination_class = PostPageNumberPagination
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search_fields = ['device_id', 'device_name', 'chip_type', 'chip_id']
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queryset = DeviceInfo.objects.all()
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class DeviceLogStatisticAPIView(APIView):
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permission_classes = [IsAuthenticated]
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def get(self, request, *args, **kwargs):
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tz = pytz.timezone("UTC")
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today = datetime.now(tz).date()
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midnight = tz.localize(datetime.combine(today, time(0, 0)), is_dst=None)
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# calc total count
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total_count_queryset = DeviceCount.objects.values('device_id').annotate(count=Max('count'))
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if total_count_queryset:
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total_count = sum(map(lambda x: int(x['count']), total_count_queryset))
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else:
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total_count = 0
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# calc daily count
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one_day_ago_queryset = DeviceCount.objects.filter(
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data_time__gt=midnight).values('device_id').annotate(count=Max('count'))
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if one_day_ago_queryset:
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one_day_ago_count = sum(map(lambda x: int(x['count']), one_day_ago_queryset))
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daily_count = total_count - one_day_ago_count
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else:
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daily_count = 0
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data = {'total_count': total_count, 'daily_count': daily_count}
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return Response(data)
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class DeviceInfoStatisticAPIView(APIView):
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permission_classes = [IsAuthenticated]
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def get(self, request, *args, **kwargs):
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online_count = DeviceInfo.objects.filter(online=1).count()
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offline_count = DeviceInfo.objects.filter(online=0).count()
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data = {'online_count': online_count, 'offline_count': offline_count}
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return Response(data)
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