153 lines
6.4 KiB
Python
153 lines
6.4 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 django.core.cache import cache
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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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LogHistorySerializer,
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DeviceLogHistorySerializer,
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)
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from ..mixins.role import RoleMixin, DeviceListMixin
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from ..models import DeviceCount, DeviceInfo
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from mosquito.models import MosqPostStatistic, DevicePostStatistic
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class DeviceLogListAPIView(ListAPIView, RoleMixin, DeviceListMixin):
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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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def get_queryset(self, *args, **kwargs):
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user_roles = self.get_role()
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queryset = DeviceCount.objects.get_queryset().order_by('-data_time')
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if 'staff' in user_roles or 'manager' in user_roles:
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device_list = self.get_device_list()
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device_ids = [query.device_id for query in device_list if query.org == self.request.user.org]
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queryset = queryset.filter(device_id__in=device_ids)
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device_id = self.request.GET.get('device_id')
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if device_id:
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queryset = queryset.filter(device_id__icontains=device_id)
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return queryset
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class DeviceInfoListAPIView(ListAPIView, RoleMixin):
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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', 'online']
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def get_queryset(self, *args, **kwargs):
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user_roles = self.get_role()
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queryset = DeviceInfo.objects.get_queryset().order_by('-online')
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if 'staff' in user_roles or 'manager' in user_roles:
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device_ids = [query.device_id for query in queryset if query.org == self.request.user.org]
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queryset = queryset.filter(device_id__in=device_ids)
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device_id = self.request.GET.get('device_id')
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status = self.request.GET.get('status')
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if device_id:
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queryset = queryset.filter(device_id__icontains=device_id)
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if status:
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queryset = queryset.filter(online=int(status))
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return queryset
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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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# calc total count, no cache
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total_count_queryset = [DeviceCount.objects.filter(device_id=x['device_id'],
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data_time=x['max_time']).order_by('-count')[0]
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for x in DeviceCount.objects.values('device_id').annotate(max_time=Max('data_time'))]
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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, put it in redis as cache.
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if cache.has_key('daily_count'):
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daily_count = cache.get('daily_count')
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else:
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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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one_day_ago_queryset = [DeviceCount.objects.filter(device_id=x['device_id'], data_time=x['max_time']).order_by('-count')[0]
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for x in DeviceCount.objects.filter(
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data_time__lt=midnight).values('device_id').annotate(max_time=Max('data_time'))]
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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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cache.set('daily_count', daily_count, 60 * 60)
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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, RoleMixin):
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permission_classes = [IsAuthenticated]
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def get(self, request, *args, **kwargs):
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user_roles = self.get_role()
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online_devices = DeviceInfo.objects.filter(online=1)
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offline_devices = DeviceInfo.objects.filter(online=0)
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if 'staff' in user_roles or 'admin' in user_roles:
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online_ids = [query.device_id for query in online_devices if query.org == self.request.user.org]
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offline_ids = [query.device_id for query in offline_devices if query.org == self.request.user.org]
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online_devices = online_devices.filter(device_id__in=online_ids)
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offline_devices = offline_devices.filter(device_id__in=offline_ids)
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online_count = online_devices.count()
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offline_count = offline_devices.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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class LogHistoryListAPIView(ListAPIView):
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serializer_class = LogHistorySerializer
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permission_classes = [IsAuthenticated]
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filter_backends = [SearchFilter, OrderingFilter]
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pagination_class = PostLimitOffsetPagination
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search_fields = ['date']
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queryset = MosqPostStatistic.objects.all().order_by('-date')
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class DeviceLogHistoryListAPIView(ListAPIView, RoleMixin, DeviceListMixin):
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serializer_class = DeviceLogHistorySerializer
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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', 'date']
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def get_queryset(self, *args, **kwargs):
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user_roles = self.get_role()
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device_id = self.request.GET.get('device_id')
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queryset = DevicePostStatistic.objects.get_queryset().order_by('-date')
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if 'staff' in user_roles or 'manager' in user_roles:
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devices = self.get_device_list()
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device_ids = [device.device_id for device in devices if device.org == self.request.user.org]
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queryset = queryset.filter(device_id__in=device_ids)
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if device_id:
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queryset = queryset.filter(device_id__icontains=device_id)
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return queryset
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