Many broken things

passbook/admin/api/v1/utils.py

@@ -0,0 +1,17 @@
+from django.db.models import Model
+from rest_framework.serializers import ModelSerializer
+
+
+class LookupSerializer(ModelSerializer):
+
+    mapping = {}
+
+    def to_representation(self, instance):
+        for __model, __serializer in self.mapping.items():
+            if isinstance(instance, __model):
+                return __serializer(instance=instance).to_representation(instance)
+        raise KeyError(instance.__class__.__name__)
+
+    class Meta:
+        model = Model
+        fields = '__all__'