planetstack/core/views/slices.py

   1 from django.http import Http404
   2 from rest_framework.views import APIView
   3 from rest_framework.response import Response
   4 from rest_framework import status
   5
   6 from core.api.slices import add_slice, delete_slice, get_slices, update_slice
   7 from core.serializers import SliceSerializer
   8 from util.request import parse_request
   9
  10
  11 class SliceListCreate(APIView):
  12     """
  13     List all slices or create a new slice.
  14     """
  15
  16     def post(self, request, format = None):
  17         data = parse_request(request.DATA)
  18         if 'auth' not in data:
  19             return Response(status=status.HTTP_400_BAD_REQUEST)
  20         elif 'slice' in data:
  21             slice = add_slice(data['auth'], data['slice'])
  22             serializer = SliceSerializer(slice)
  23             return Response(serializer.data, status=status.HTTP_201_CREATED)
  24         else:
  25             slices = get_slices(data['auth'])
  26             serializer = SliceSerializer(slices, many=True)
  27             return Response(serializer.data)
  28
  29
  30 class SliceRetrieveUpdateDestroy(APIView):
  31     """
  32     Retrieve, update or delete a slice
  33     """
  34
  35     def post(self, request, pk, format=None):
  36         """Retrieve a slice"""
  37         data = parse_request(request.DATA)
  38         if 'auth' not in data:
  39             return Response(status=status.HTTP_400_BAD_REQUEST)
  40         slices = get_slices(data['auth'],  pk)
  41         if not slices:
  42             return Response(status=status.HTTP_404_NOT_FOUND)
  43         serializer = SliceSerializer(slices[0])
  44         return Response(serializer.data)
  45
  46     def put(self, request, pk, format=None):
  47         """update a slice"""
  48         data = parse_request(request.DATA)
  49         if 'auth' not in data:
  50             return Response(status=status.HTTP_400_BAD_REQUEST)
  51         elif 'slice' not in data:
  52             return Response(status=status.HTTP_400_BAD_REQUEST)
  53
  54         slice = update_slice(pk, data['slice'])
  55         serializer = SliceSerializer(slice)
  56         return Response(serializer.data)
  57
  58     def delete(self, request, pk, format=None):
  59         data = parse_request(request.DATA)
  60         if 'auth' not in data:
  61             return Response(status=status.HTTP_400_BAD_REQUEST)
  62         delete_slice(data['auth'],  pk)
  63         return Response(status=status.HTTP_204_NO_CONTENT)
  64
  65
  66