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
  49 class {{ object.camel }}IdSerializer(serializers.ModelSerializer):
  50         id = serializers.Field()
  51         {% for ref in object.refs %}
  52         {% if ref.multi %}
  53         {{ ref.plural }} = serializers.HyperlinkedRelatedField(many=True, read_only=True, view_name='{{ ref }}-detail')
  54         {% else %}
  55         {{ ref }} = serializers.HyperlinkedRelatedField(read_only=True, view_name='{{ ref }}-detail')
  56         {% endif %}
  57         {% endfor %}
  58         class Meta:
  59                 model = {{ object.camel }}
  60                 fields = ({% for prop in object.props %}'{{ prop }}',{% endfor %}{% for ref in object.refs %}{%if ref.multi %}'{{ ref.plural }}'{% else %}'{{ ref }}'{% endif %},{% endfor %})
  61
  62
  63 {% endfor %}
  64
  65 serializerLookUp = {
  66 {% for object in generator.all %}
  67                  {{ object.camel }}: {{ object.camel }}Serializer,
  68 {% endfor %}
  69                  None: None,
  70                 }
  71
  72 # Based on core/views/*.py
  73 {% for object in generator.all %}
  74
  75 class {{ object.camel }}List(generics.ListCreateAPIView):
  76     queryset = {{ object.camel }}.objects.select_related().all()
  77     serializer_class = {{ object.camel }}Serializer
  78     id_serializer_class = {{ object.camel }}IdSerializer
  79
  80     def get_serializer_class(self):
  81         no_hyperlinks = self.request.QUERY_PARAMS.get('no_hyperlinks', False)
  82         if (no_hyperlinks):
  83             return self.id_serializer_class
  84         else:
  85             return self.serializer_class
  86
  87
  88     def get_queryset(self):
  89         return {{ object.camel }}.select_by_user(self.request.user)
  90
  91     def create(self, request, *args, **kwargs):
  92         #obj = {{ object.camel }}().update(request.DATA)
  93         obj = self.get_object()
  94         obj.caller = request.user
  95         if obj.can_update(request.user):
  96             return super({{ object.camel }}List, self).create(request, *args, **kwargs)
  97         else:
  98             return Response(status=status.HTTP_400_BAD_REQUEST)
  99
 100 class {{ object.camel }}Detail(generics.RetrieveUpdateDestroyAPIView):
 101     queryset = {{ object.camel }}.objects.select_related().all()
 102     serializer_class = {{ object.camel }}Serializer
 103
 104     def get_queryset(self):
 105         return {{ object.camel }}.select_by_user(self.request.user)
 106
 107     def update(self, request, *args, **kwargs):
 108         obj = self.get_object()
 109         if obj.can_update(request.user):
 110             return super({{ object.camel }}Detail, self).update(request, *args, **kwargs)
 111         else:
 112             return Response(status=status.HTTP_400_BAD_REQUEST)
 113
 114     def destroy(self, request, *args, **kwargs):
 115         obj = self.get_object()
 116         if obj.can_update(request.user):
 117             return super({{ object.camel }}Detail, self).destroy(request, *args, **kwargs)
 118         else:
 119             return Response(status=status.HTTP_400_BAD_REQUEST)
 120
 121
 122 {% endfor %}