from django_filters import rest_framework as filters
from .models import Post


class PostFilter(filters.FilterSet):
    date_from = filters.DateRangeFilter(field_name="pub_date", lookup_expr='gte')
    date_to = filters.DateRangeFilter(field_name="pub_date", lookup_expr='lte')

    class Meta:
            model = Post
            fields = ['date_from', 'date_to']



from rest_framework import generics, permissions
from .models import Post
from .serializers import PostSerializer
from .filters import PostFilter
from django_filters import rest_framework as filters

class PostList(generics.ListCreateAPIView):
    queryset = Post.objects.all()
    serializer_class = PostSerializer
    permission_classes = (permissions.IsAuthenticatedOrReadOnly,)
    filter_backends = (filters.DjangoFilterBackend,)
    filterset_class = PostFilter

    def perform_create(self, serializer):
        serializer.save(author=self.request.user)


class PostDetail(generics.RetrieveUpdateDestroyAPIView):
    queryset = Post.objects.all()
    serializer_class = PostSerializer
    permission_classes = (permissions.IsAuthenticatedOrReadOnly,)