from rest_framework.renderers import JSONRenderer
from rest_framework.response import Response
from rest_framework.views import APIView

from library.models import Article
from library.serializers import ArticleSerializer, ArticleDetailSerializer


class LibraryListView(APIView):
    renderer_classes = (JSONRenderer,)
    status_code = 200

    def get(self, request):
        return Response([ArticleSerializer(i).data for i in Article.objects.filter(public=True)], self.status_code)


class LibraryDetailView(APIView):
    renderer_classes = (JSONRenderer,)
    status_code = 200

    def get(self, request, slug):
        try:
            article = Article.objects.get(slug=slug)
            if not article.public:
                return Response('Article not published', 403)
            return Response(ArticleDetailSerializer(article).data, self.status_code)
        except Article.DoesNotExist:
            return Response("Article doesn't exist", status=404)