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         {% if ref.multi %}
  39         {{ ref.plural }} = serializers.HyperlinkedRelatedField(many=True, read_only=True, view_name='{{ ref }}-detail')
  40         {% else %}
  41         {{ ref }} = serializers.HyperlinkedRelatedField(many=True, read_only=True, view_name='{{ ref }}-detail')
  42         {% endif %}
  43         {% endfor %}
  44         class Meta:
  45                 model = {{ object }}
  46                 fields = ({% for prop in object.props %}'{{ prop }}',{% endfor %})
  47 {% endfor %}
  48
  49 serializerLookUp = {
  50 {% for object in generator.all %}
  51                  {{ object.camel }}: {{ object.camel }}Serializer,
  52 {% endfor %}
  53                  None: None,
  54                 }
  55
  56 # Based on core/views/*.py
  57 {% for object in generator.all %}
  58
  59 class {{ object.camel }}List(generics.ListCreateAPIView):
  60     queryset = {{ object.camel }}.objects.select_related.all()
  61     serializer_class = {{ object.camel }}Serializer
  62
  63     def get_queryset(self):
  64         return {{ object.camel }}.select_by_user(self.request.user)
  65
  66     def create(self, request, *args, **kwargs):
  67         #obj = {{ object.camel }}().update(request.DATA)
  68         obj = self.get_object()
  69         obj.caller = request.user
  70         if obj.can_update(request.user):
  71             return super({{ object.camel }}List, self).create(request, *args, **kwargs)
  72         else:
  73             return Response(status=status.HTTP_400_BAD_REQUEST)
  74
  75 class {{ object.camel }}Detail(generics.RetrieveUpdateDestroyAPIView):
  76     queryset = {{ object.camel }}.objects.select_related.all()
  77     serializer_class = {{ object.camel }}Serializer
  78
  79     def get_queryset(self):
  80         return {{ object.camel }}.select_by_user(self.request.user)
  81
  82     def update(self, request, *args, **kwargs):
  83         obj = self.get_object()
  84         if obj.can_update(request.user):
  85             return super({{ object.camel }}Detail, self).update(request, *args, **kwargs)
  86         else:
  87             return Response(status=status.HTTP_400_BAD_REQUEST)
  88
  89     def destroy(self, request, *args, **kwargs):
  90         obj = self.get_object()
  91         if obj.can_update(request.user):
  92             return super({{ object.camel }}Detail, self).destroy(request, *args, **kwargs)
  93         else:
  94             return Response(status=status.HTTP_400_BAD_REQUEST)
  95
  96
  97 {% endfor %}