# 设备日志统计api初步完成

apps/counter/api/serializers.py

@@ -68,3 +68,40 @@ class DeviceInfoSerializer(serializers.ModelSerializer):
         if obj.last_offline_time:
             return obj.last_offline_time.strftime('%Y-%m-%d %H:%M:%S')
         return None
+
+
+class DeviceLogStatisticSerializer(serializers.ModelSerializer):
+    total_count = serializers.SerializerMethodField()
+    daily_count = serializers.SerializerMethodField()
+
+    class Meta:
+        model = DeviceCount
+        fields = [
+            'total_count',
+            'daily_count',
+        ]
+
+    def get_total_count(self, obj):
+        return obj.objects.aggregate(total=Sum('count'))['total']
+
+    def get_daily_count(self, obj):
+        today = timezone.datetime.now().date()
+        return obj.objects.filter(data_time__gt=today).aggregate(total=Sum('count'))['total']
+
+
+class DeviceInfoStatisticSerializer(serializers.ModelSerializer):
+    online_count = serializers.SerializerMethodField()
+    offline_count = serializers.SerializerMethodField()
+
+    class Meta:
+        model = DeviceInfo
+        fields = [
+            'online_count',
+            'offline_count'
+        ]
+
+    def get_online_count(self, obj):
+        return obj.objects.filter(online=1).count()['total']
+
+    def get_offline_count(self, obj):
+        return obj.objects.filter(online=0).count()['total']

apps/counter/api/urls.py

@@ -1,9 +1,14 @@
 from django.urls import path
-from .views import DeviceLogListAPIView, DeviceInfoListAPIView
+from .views import (
+    DeviceLogListAPIView,
+    DeviceInfoListAPIView,
+    DeviceLogStatisticAPIView,
+)
 
 
 app_name = 'counter-api'
 urlpatterns = [
     path('logs/', DeviceLogListAPIView.as_view(), name='logs'),
     path('device/', DeviceInfoListAPIView.as_view(), name='device'),
+    path('logs/statistic', DeviceLogStatisticAPIView.as_view(), name='logs-statistic'),
 ]

apps/counter/api/views.py

@@ -4,11 +4,17 @@ from rest_framework.generics import (
     CreateAPIView
 )
 from rest_framework.views import APIView
+from rest_framework.response import Response
 
 from rest_framework.permissions import IsAuthenticated
 from rest_framework.filters import SearchFilter, OrderingFilter
 from mosquito.api.pagination import PostLimitOffsetPagination, PostPageNumberPagination
-from .serializers import DeviceCountSerializer, DeviceInfoSerializer
+from .serializers import (
+    DeviceCountSerializer,
+    DeviceInfoSerializer,
+    DeviceLogStatisticSerializer,
+    DeviceInfoStatisticSerializer
+)
 from ..models import DeviceCount, DeviceInfo
 
 
@@ -30,5 +36,10 @@ class DeviceInfoListAPIView(ListAPIView):
     queryset = DeviceInfo.objects.all()
 
 
-# class DeviceLogStatisticAPIView(APIView):
+class DeviceLogStatisticAPIView(APIView):
-#     pass
+    serializer_class = DeviceLogStatisticSerializer
+    permission_classes = [IsAuthenticated]
+
+    def get(self, request, *args, **kwargs):
+        serializer = self.serializer_class(DeviceCount)
+        return Response(serializer.data)