from rest_framework import viewsets
from rest_framework import mixins
from django_filters.rest_framework import DjangoFilterBackend
from django_filters import rest_framework
from rest_framework import filters
from rest_framework_extensions.cache.mixins import CacheResponseMixin

from apps.goods.models import Goods
from apps.goods.serializers import GoodsSerializers
from common.mypagination import MyPagination
from common.myfilter import MyFilter
from common.mymodelviewset import MyModelViewSet

from rest_framework import permissions
from rest_framework.authentication import TokenAuthentication
# from common


class GoodsViewSet(mixins.ListModelMixin,
                   mixins.RetrieveModelMixin,
                   mixins.CreateModelMixin,
                   mixins.UpdateModelMixin,
                   mixins.DestroyModelMixin,
                   viewsets.GenericViewSet):
    queryset = Goods.objects.all()
    serializer_class = GoodsSerializers
    # 分页
    # pagination_class = MyPagination  #针对viewset的分页设置，也可以走全局
    # 筛选
    filter_backends = (DjangoFilterBackend, filters.SearchFilter, filters.OrderingFilter)
    # filter_backends = (DjangoFilterBackend,)
    filterset_class = MyFilter
    # 搜索
    search_fields = ('name', 'price')
    # 排序
    ordering_fields = ('id', 'name', 'price')
    permission_classes = (permissions.IsAuthenticated,)


class GoodsDetailViewSet(viewsets.ReadOnlyModelViewSet):
    queryset = Goods.objects.all()
    serializer_class = GoodsSerializers


class GoodsViewSetCustom(MyModelViewSet, viewsets.GenericViewSet):
    queryset = Goods.objects.all()
    serializer_class = GoodsSerializers
    pagination_class = MyPagination
    filter_backends = (DjangoFilterBackend, filters.SearchFilter, filters.OrderingFilter)
    filterset_class = MyFilter
    search_fields = ('name', 'price')
    ordering_fields = ('id', 'name', 'price')