247 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			247 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Python
		
	
	
	
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from threading import Thread
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from django.db import transaction
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from django.db.models import Count, F
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from django.utils import timezone
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from rest_framework import serializers
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from rest_framework.decorators import action
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from rest_framework.exceptions import PermissionDenied
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from rest_framework.mixins import (CreateModelMixin, DestroyModelMixin,
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                                   ListModelMixin, RetrieveModelMixin,
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                                   UpdateModelMixin)
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from rest_framework.response import Response
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from rest_framework.exceptions import ParseError
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from apps.ecm.filters import EventFilterSet
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from apps.ecm.models import (AlgoChannel, Event, EventCate, Eventdo,
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                             NotifySetting, Remind)
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from apps.ecm.serializers import (AlgoChannelCreateSerializer,
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                                  AlgoChannelCreatesSerializer,
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                                  AlgoChannelSerializer, EventAggSerializer,
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                                  EventCateCreateUpdateSerializer,
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                                  EventCateListSerializer, EventDetailSerializer,
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                                  EventHandleSerializer, EventSerializer, EventSimpleSerializer,
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                                  NotifySettingsSerializer, RemindSerializer)
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from apps.ecm.service import update_remind_read
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from apps.utils.viewsets import CustomGenericViewSet, CustomModelViewSet
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from apps.utils.export import export_excel_img
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from apps.ecm.tasks import monitor_check
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from apps.utils.mixins import BulkDestroyModelMixin
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obj_cate_dict = {'people': '人员', 'opl': '作业', 'other': '其他'}
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mark_dict = {10: '正常', 20: '误报'}
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# Create your views here.
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class EventCateViewSet(CreateModelMixin, UpdateModelMixin, ListModelMixin, CustomGenericViewSet):
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    perms_map = {'get': '*', 'put': 'event_cate.update', 'post': 'event_cate.create'}
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    queryset = EventCate.objects.all()
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    list_serializer_class = EventCateListSerializer
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    create_serializer_class = EventCateCreateUpdateSerializer
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    update_serializer_class = EventCateCreateUpdateSerializer
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    serializer_class = EventCateListSerializer
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    filterset_fields = ['self_algo', 'trigger']
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    ordering = ['priority', 'create_time']
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class AlgoChannelViewSet(CreateModelMixin, DestroyModelMixin, ListModelMixin, CustomGenericViewSet):
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    perms_map = {'get': '*', 'post': 'event_cate.update', 'delete': 'event_cate.update'}
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    queryset = AlgoChannel.objects.all()
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    create_serializer_class = AlgoChannelCreateSerializer
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    serializer_class = AlgoChannelSerializer
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    filterset_fields = ['algo']
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    @transaction.atomic
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    @action(methods=['post'], detail=False, perms_map={'post': 'event_cate.update'},
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            serializer_class=AlgoChannelCreatesSerializer)
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    def creates(self, request, pk=None):
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        """批量添加摄像头
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        批量添加摄像头
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        """
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        serializer = AlgoChannelCreatesSerializer(data=request.data)
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        serializer.is_valid(raise_exception=True)
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        vdata = serializer.validated_data
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        for i in vdata['vchannels']:
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            AlgoChannel.objects.get_or_create(algo=vdata['algo'], vchannel=i,
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                                              defaults={
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                "algo": vdata['algo'],
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                "vchannel": i
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            })
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        return Response()
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    def perform_create(self, serializer):
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        ins = serializer.save()
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        if ins.always_on:
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            monitor_check([ins.vchannel.id])
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    def perform_destroy(self, instance):
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        vid = instance.vchannel.id
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        instance.delete()
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        monitor_check([vid])
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class NotifySettingViewSet(CustomModelViewSet):
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    queryset = NotifySetting.objects.all()
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    serializer_class = NotifySettingsSerializer
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    filterset_fields = ['event_cate', 'obj_cate', 'post', 'user']
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    ordering = ['sort', 'create_time']
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class EventViewSet(ListModelMixin, RetrieveModelMixin, BulkDestroyModelMixin, CustomGenericViewSet):
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    perms_map = {'get': '*', 'delete': 'event.delete'}
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    queryset = Event.objects.all()
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    serializer_class = EventSerializer
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    retrieve_serializer_class = EventDetailSerializer
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    select_related_fields = ['area', 'employee', 'handle_user', 'vchannel', 'opl']
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    prefetch_related_fields = ['cates']
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    filterset_class = EventFilterSet
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    @transaction.atomic
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    @action(methods=['post'], detail=True, perms_map={'post': 'event.handle'},
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            serializer_class=EventHandleSerializer)
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    def handle(self, request, pk=None):
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        """处理事件
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        处理事件
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        """
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        obj = self.get_object()
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        # 判断当前用户有无处理权限(废弃, 通过控权实现即可)
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        # if (not Remind.objects.filter(event=obj, recipient=request.user, can_handle=True).exists()) and (
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        #         not request.user.is_superuser):
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        #     raise PermissionDenied('您无权处理该事件')
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        data = request.data
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        sr = EventHandleSerializer(instance=obj, data=data)
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        sr.is_valid(raise_exception=True)
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        sr.save(handle_user=request.user, handle_time=timezone.now())
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        Thread(target=update_remind_read, args=(obj, request.user), daemon=True).start()
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        return Response()
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    def retrieve(self, request, *args, **kwargs):
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        obj = self.get_object()
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        Thread(target=update_remind_read, args=(obj, request.user), daemon=True).start()
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        return super().retrieve(request, *args, **kwargs)
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    @transaction.atomic
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    @action(methods=['post'], detail=False, perms_map={'post': '*'},
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            serializer_class=EventAggSerializer, logging_methods=[])
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    def cate_agg(self, request, pk=None):
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        """按事件分类聚合
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        按事件分类聚合
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        """
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        slr = EventAggSerializer(data=request.data)
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        slr.is_valid(raise_exception=True)
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        vdata = slr.validated_data
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        ret = {}
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        queryset = Eventdo.objects.all()
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        if vdata.get('start_create', None):
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            queryset = queryset.filter(event__create_time__gte=vdata['start_create'])
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        if vdata.get('end_create', None):
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            queryset = queryset.filter(event__create_time__lte=vdata['end_create'])
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        if vdata.get('is_handled', None):
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            if vdata['is_handled']:
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                queryset = queryset.exclude(event__handle_user=None)
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            else:
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                queryset = queryset.filter(event__handle_user=None)
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        ret['total_count'] = queryset.count()
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        if vdata.get('completed', True):
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            ret['details'] = list(EventCate.objects.order_by('priority', 'create_time').annotate(cate=F('id'),
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                                  cate__name=F('name'), cate__trigger=F('trigger')).values('cate', 'cate__name'))
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            for i in ret['details']:
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                i['count'] = queryset.filter(cate__id=i['cate']).count()
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        else:
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            ret['details'] = list(queryset.order_by('cate__priority', 'cate__create_time').values(
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                'cate', 'cate__name', 'cate__trigger').annotate(count=Count('cate')))
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        return Response(ret)
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    @action(methods=['get'], detail=False, perms_map={'get': '*'},
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            serializer_class=serializers.Serializer)
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    def export_excel(self, request, pk=None):
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        """导出excel
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        导出excel
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        """
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        field_data = [
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            {"name": "事件种类", "type": "str"},
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            {"name": "发生区域", "type": "str"},
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            {"name": "事件类型", "type": "str"},
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            {"name": "当事人", "type": "str"},
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            {"name": "所属作业", "type": "str"},
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            {"name": "发生时间", "type": "str"},
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            {"name": "处理人", "type": "str"},
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            {"name": "事件标记", "type": "str"},
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            {"name": "抓拍图", "type": "img"},
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            {"name": "人脸图", "type": "img"},
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        ]
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        queryset = self.filter_queryset(self.get_queryset())
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        if queryset.count() > 15000:
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            raise ParseError('数量超过15000,请筛选后导出')
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        odata = EventSerializer(queryset, many=True).data
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        # 处理数据
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        data = []
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        for i in odata:
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            cates_str = ''
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            for m in i['cates_']:
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                cates_str = cates_str + m['name'] + '/'
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            data.append(
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                [
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                    cates_str,
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                    i.get('area_name', None),
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                    obj_cate_dict[i['obj_cate']],
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                    i.get('employee_name', None),
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                    i.get('operation_name', None),
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                    i['create_time'],
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                    i.get('handle_user_name', None),
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                    mark_dict.get(i['mark'], '正常'),
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                    i['global_img_compressed'],
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                    i['face_img']
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                ]
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            )
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        return Response({'path': export_excel_img(field_data, data, '事件记录')})
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class RemindViewSet(ListModelMixin, CustomGenericViewSet):
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    perms_map = {'get': '*'}
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    queryset = Remind.objects.all()
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    serializer_class = RemindSerializer
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    select_related_fields = ['recipient', 'event']
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    prefetch_related_fields = ['event__cates']
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    filterset_fields = ['event', 'event__cates', 'is_read']
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    @action(methods=['get'], detail=False, perms_map={'get': '*'})
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    def my(self, request, *args, **kwargs):
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        """推送给我的
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        推送给我的
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        """
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        user = self.request.user
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        queryset = self.filter_queryset(self.get_queryset().filter(recipient=user))
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        page = self.paginate_queryset(queryset)
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        if page is not None:
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            serializer = self.get_serializer(page, many=True)
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            return self.get_paginated_response(serializer.data)
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        serializer = self.get_serializer(queryset, many=True)
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        return Response(serializer.data)
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# class MyRemindViewSet(ListModelMixin, CustomGenericViewSet):
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#     perms_map = {'get': '*'}
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#     serializer_class = RemindSerializer
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#     select_related_fields = ['recipient', 'event']
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#     prefetch_related_fields = ['event__cates']
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#     def get_queryset(self):
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#         return Remind.objects.filter(recipient=self.request.user)
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#     @action(methods=['post'], detail=True, perms_map={'post': '*'})
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#     def label_read(self, request, *args, **kwargs):
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#         """标记已读
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#         标记已读
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#         """
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