planetstack/apigen/api.template.py

   1 from rest_framework.decorators import api_view
   2 from rest_framework.response import Response
   3 from rest_framework.reverse import reverse
   4 from rest_framework import serializers
   5 from core.models import *
   6 from django.forms import widgets
   7
   8 """
   9         Schema of the generator object:
  10                 all: Set of all Model objects
  11                 all_if(regex): Set of Model objects that match regex
  12
  13         Model object:
  14                 plural: English plural of object name
  15                 camel: CamelCase version of object name
  16                 refs: list of references to other Model objects
  17                 props: list of properties minus refs
  18
  19         TODO: Deal with subnets
  20 """
  21
  22 # Based on api_root.py
  23
  24 @api_view(['GET'])
  25 def api_root(request, format=None):
  26     return Response({
  27                 {% for object in generator.all %}'{{ object.plural }}': reverse('{{ object }}-list', request=request, format=format),
  28                 {% endfor %}
  29     })
  30
  31 # Based on serializers.py
  32
  33 {% for object in generator.all %}
  34
  35 class {{ object.camel }}Serializer(serializers.HyperlinkedModelSerializer):
  36         id = serializers.Field()
  37         {% for ref in object.refs %}
  38         {{ ref.plural }} = serializers.HyperlinkedRelatedField(view_name='{{ ref }}-detail')
  39         {% endfor %}
  40         class Meta:
  41                 model = {{ object }}
  42                 fields = ({% for prop in object.props %}'{{ prop }}',{% endfor %})
  43 {% endfor %}
  44
  45 serializerLookUp = {
  46 {% for object in generator.all %}
  47                  {{ object.camel }}: {{ object.camel }}Serializer,
  48 {% endfor %}
  49                  None: None,
  50                 }
  51
  52 # Based on core/views/*.py
  53 {% for object in generator.all %}
  54
  55 class {{ object.camel }}List(generics.ListCreateAPIView):
  56     #queryset = {{ object.camel }}.objects.all()
  57     serializer_class = {{ object.camel }}Serializer
  58
  59     def get_queryset(self):
  60         return {{ object.camel }}.select_by_user(self.request.user)
  61
  62     def create(self, request, *args, **kwargs):
  63         #obj = {{ object.camel }}().update(request.DATA)
  64         obj = self.get_object()
  65         obj.caller = request.user
  66         if obj.can_update(request.user):
  67             return super({{ object.camel }}List, self).create(request, *args, **kwargs)
  68         else:
  69             return Response(status=status.HTTP_400_BAD_REQUEST)
  70
  71 class {{ object.camel }}Detail(generics.RetrieveUpdateDestroyAPIView):
  72     #queryset = {{ object.camel }}.objects.all()
  73     serializer_class = {{ object.camel }}Serializer
  74
  75     def get_queryset(self):
  76         return {{ object.camel }}.select_by_user(self.request.user)
  77
  78     def update(self, request, *args, **kwargs):
  79         obj = self.get_object()
  80         if obj.can_update(request.user):
  81             return super({{ object.camel }}Detail, self).update(request, *args, **kwargs)
  82         else:
  83             return Response(status=status.HTTP_400_BAD_REQUEST)
  84
  85     def destroy(self, request, *args, **kwargs):
  86         obj = self.get_object()
  87         if obj.can_update(request.user):
  88             return super({{ object.camel }}Detail, self).destroy(request, *args, **kwargs)
  89         else:
  90             return Response(status=status.HTTP_400_BAD_REQUEST)
  91
  92
  93 {% endfor %}