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 rest_framework import generics
   6 from core.models import *
   7 from django.forms import widgets
   8
   9 """
  10         Schema of the generator object:
  11                 all: Set of all Model objects
  12                 all_if(regex): Set of Model objects that match regex
  13
  14         Model object:
  15                 plural: English plural of object name
  16                 camel: CamelCase version of object name
  17                 refs: list of references to other Model objects
  18                 props: list of properties minus refs
  19
  20         TODO: Deal with subnets
  21 """
  22
  23 # Based on api_root.py
  24
  25 @api_view(['GET'])
  26 def api_root(request, format=None):
  27     return Response({
  28                 {% for object in generator.all %}'{{ object.plural }}': reverse('{{ object }}-list', request=request, format=format),
  29                 {% endfor %}
  30     })
  31
  32 # Based on serializers.py
  33
  34 {% for object in generator.all %}
  35
  36 class {{ object.camel }}Serializer(serializers.HyperlinkedModelSerializer):
  37         id = serializers.Field()
  38         {% for ref in object.refs %}
  39         {% if ref.multi %}
  40         {{ ref.plural }} = serializers.HyperlinkedRelatedField(many=True, read_only=True, view_name='{{ ref }}-detail')
  41         {% else %}
  42         {{ ref }} = serializers.HyperlinkedRelatedField(read_only=True, view_name='{{ ref }}-detail')
  43         {% endif %}
  44         {% endfor %}
  45         class Meta:
  46                 model = {{ object.camel }}
  47                 fields = ({% for prop in object.props %}'{{ prop }}',{% endfor %}{% for ref in object.refs %}{%if ref.multi %}'{{ ref.plural }}'{% else %}'{{ ref }}'{% endif %},{% endfor %})
  48 {% endfor %}
  49
  50 serializerLookUp = {
  51 {% for object in generator.all %}
  52                  {{ object.camel }}: {{ object.camel }}Serializer,
  53 {% endfor %}
  54                  None: None,
  55                 }
  56
  57 # Based on core/views/*.py
  58 {% for object in generator.all %}
  59
  60 class {{ object.camel }}List(generics.ListCreateAPIView):
  61     queryset = {{ object.camel }}.objects.select_related().all()
  62     serializer_class = {{ object.camel }}Serializer
  63
  64     def get_queryset(self):
  65         return {{ object.camel }}.select_by_user(self.request.user)
  66
  67     def create(self, request, *args, **kwargs):
  68         #obj = {{ object.camel }}().update(request.DATA)
  69         obj = self.get_object()
  70         obj.caller = request.user
  71         if obj.can_update(request.user):
  72             return super({{ object.camel }}List, self).create(request, *args, **kwargs)
  73         else:
  74             return Response(status=status.HTTP_400_BAD_REQUEST)
  75
  76 class {{ object.camel }}Detail(generics.RetrieveUpdateDestroyAPIView):
  77     queryset = {{ object.camel }}.objects.select_related().all()
  78     serializer_class = {{ object.camel }}Serializer
  79
  80     def get_queryset(self):
  81         return {{ object.camel }}.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({{ object.camel }}Detail, 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({{ object.camel }}Detail, self).destroy(request, *args, **kwargs)
  94         else:
  95             return Response(status=status.HTTP_400_BAD_REQUEST)
  96
  97
  98 {% endfor %}