new_contents: from rest_framework import generics
  
  from .models import (
      CommunityHealthUnit,
      CommunityHealthWorker,
      CommunityHealthWorkerContact
  )
  
  from .serializers import (
      CommunityHealthUnitSerializer,
      CommunityHealthWorkerSerializer,
      CommunityHealthWorkerContactSerializer
  )
  
  from .filters import (
      CommunityHealthUnitFilter,
      CommunityHealthWorkerFilter,
      CommunityHealthWorkerContactFilter)
  
  
  class CommunityHealthUnitListView(generics.ListCreateAPIView):
      queryset = CommunityHealthUnit.objects.all()
      serializer_class = CommunityHealthUnitSerializer
      filter_class = CommunityHealthUnitFilter
      ordering_fields = ('name', 'facility',)
  
  
  class CommunityHealthUnitDetailView(generics.RetrieveUpdateDestroryAPIView):
      queryset = CommunityHealthUnit.objects.all()
      serializer_class = CommunityHealthUnitSerializer
  
  
  class CommunityHealthWorkerListView(generics.ListCreateAPIViewA):
      queryset = CommunityHealthWorker.objects.all()
      serializer_class = CommunityHealthWorkerSerializer
      filter_class = CommunityHealthWorkerFilter
      ordering_fields = ('first_name', 'last_name', 'username',)
  
  
  class CommunityHealthWorkerDetailView(generics.RetrieveUpdateDestroyAPUView):
      queryset = CommunityHealthWorker.objects.all()
      serializer_class = CommunityHealthWorkerSerializer
  
  
  class CommunityHealthWorkerContactListView(generics.ListCreateAPIView):
      queryset = CommunityHealthWorkerContact.objects.all()
      serializer_class = CommunityHealthWorkerContactSerializer
      filter_class = CommunityHealthWorkerContactFilter
      ordering_fields = ('contact',)
  
  
  class CommunityHealthWorkerContactDetailView(
          generics.RetrieveUpdateDestroyView):
      queryset = CommunityHealthWorkerContact.objests.all()
      serializer_class = CommunityHealthWorkerContactSerializer
  
  
subject: Add views.