planetstack/core/xoslib/methods/sliceplus.py

   1 from rest_framework.decorators import api_view
   2 from rest_framework.response import Response\r
   3 from rest_framework.reverse import reverse\r
   4 from rest_framework import serializers\r
   5 from rest_framework import generics\r
   6 from core.models import *\r
   7 from django.forms import widgets
   8 from core.xoslib.objects.sliceplus import SlicePlus
   9 from plus import PlusSerializerMixin, PlusRetrieveUpdateDestroyAPIView, PlusListCreateAPIView
  10
  11 if hasattr(serializers, "ReadOnlyField"):
  12     # rest_framework 3.x
  13     IdField = serializers.ReadOnlyField
  14 else:
  15     # rest_framework 2.x
  16     IdField = serializers.Field
  17
  18 class NetworkPortsField(serializers.WritableField):   # note: maybe just Field in rest_framework 3.x instead of WritableField
  19     def to_representation(self, obj):
  20         return obj
  21
  22     def to_internal_value(self, data):
  23         return data
  24
  25 class DictionaryField(serializers.WritableField):   # note: maybe just Field in rest_framework 3.x instead of WritableField
  26     def to_representation(self, obj):
  27         return json.dumps(obj)
  28
  29     def to_internal_value(self, data):
  30         return json.loads(data)
  31
  32 class ListField(serializers.WritableField):   # note: maybe just Field in rest_framework 3.x instead of WritableField
  33     def to_representation(self, obj):
  34         return json.dumps(obj)
  35
  36     def to_internal_value(self, data):
  37         return json.loads(data)
  38
  39 class SlicePlusIdSerializer(serializers.ModelSerializer, PlusSerializerMixin):
  40         id = IdField()
  41 \r
  42         sliceInfo = serializers.SerializerMethodField("getSliceInfo")\r
  43         humanReadableName = serializers.SerializerMethodField("getHumanReadableName")\r
  44         network_ports = NetworkPortsField(required=False)\r
  45         site_allocation = DictionaryField(required=False)\r
  46         users = ListField(required=False)\r
  47         user_names = ListField(required=False) # readonly = True ?\r
  48 \r
  49         def getSliceInfo(self, slice):\r
  50             return slice.getSliceInfo(user=self.context['request'].user)\r
  51 \r
  52         def getHumanReadableName(self, obj):\r
  53             return str(obj)\r
  54 \r
  55         networks = serializers.PrimaryKeyRelatedField(many=True, read_only=True)\r
  56 \r
  57         class Meta:\r
  58             model = SlicePlus\r
  59             fields = ('humanReadableName', 'id','created','updated','enacted','name','enabled','omf_friendly','description','slice_url','site','max_slivers','service','network','mount_data_sets',
  60                       'default_image', 'default_flavor',
  61                       'serviceClass','creator','networks','sliceInfo','network_ports','backendIcon','backendHtml','site_allocation','users',"user_names")
  62
  63 class SlicePlusList(PlusListCreateAPIView): #generics.ListCreateAPIView):
  64     queryset = SlicePlus.objects.select_related().all()
  65     serializer_class = SlicePlusIdSerializer
  66
  67     method_kind = "list"
  68     method_name = "slicesplus"
  69
  70     def get_queryset(self):
  71         return SlicePlus.select_by_user(self.request.user)
  72
  73 class SlicePlusDetail(PlusRetrieveUpdateDestroyAPIView):
  74     queryset = SlicePlus.objects.select_related().all()
  75     serializer_class = SlicePlusIdSerializer
  76
  77     method_kind = "detail"
  78     method_name = "slicesplus"
  79
  80     def get_queryset(self):
  81         return SlicePlus.select_by_user(self.request.user)
  82
  83     def update(self, request, *args, **kwargs):
  84         obj = self.get_object()
  85         if obj.can_update(request.user):
  86             return super(SlicePlusDetail, self).update(request, *args, **kwargs)
  87         else:
  88             return Response(status=status.HTTP_400_BAD_REQUEST)
  89
  90     def destroy(self, request, *args, **kwargs):
  91         obj = self.get_object()
  92         if obj.can_update(request.user):
  93             return super(SlicePlusDetail, self).destroy(request, *args, **kwargs)
  94         else:
  95             return Response(status=status.HTTP_400_BAD_REQUEST)