feature: auto author (fix #12)

__init__.py

 from django.db.models import options
 
-options.DEFAULT_NAMES += ('rdf_type',)
+options.DEFAULT_NAMES += ('rdf_type', 'auto_author')

views.py

@@ -26,59 +26,10 @@ class NoCSRFAuthentication(SessionAuthentication):
     def enforce_csrf(self, request):
         return
 
-
-class LDPViewSet(ModelViewSet):
-    model = None
-    fields = None
-    exclude = None
-    parent_model = None
-    nested_field = None
-    nested_related_name = None
-    list_actions = {'get': 'list', 'post': 'create'}
-    detail_actions = {'get': 'retrieve', 'put': 'update', 'patch': 'partial_update', 'delete': 'destroy'}
-    renderer_classes = (JSONLDRenderer, )
-    parser_classes = (JSONLDParser, )
-    authentication_classes = (NoCSRFAuthentication,)
-    
-    def __init__(self, **kwargs):
-        super().__init__(**kwargs)
-        model_name = self.model._meta.object_name.lower()
-        lookup_field = get_resolver().reverse_dict[model_name+'-detail'][0][0][1][0]
-        meta_args =  {'model': self.model, 'extra_kwargs': {'@id': {'lookup_field': lookup_field}}}
-        if self.fields:
-            meta_args['fields'] = self.fields
-        else:
-            meta_args['exclude'] = self.exclude or ()
-        meta_class = type('Meta', (), meta_args)
-        self.serializer_class = type(LDPSerializer)(model_name+'Serializer', (LDPSerializer,), {'Meta': meta_class})
-    
-    def get_parent(self):
-        return self.parent_model.objects.get(id=self.kwargs[self.lookup_field])
-    
-    def perform_create(self, serializer):
-        if self.parent_model:
-            serializer.validated_data[self.nested_related_name] = self.get_parent()
-        return super().perform_create(serializer)
-    
-    def get_queryset(self, *args, **kwargs):
-        if self.parent_model:
-            return getattr(self.get_parent(), self.nested_field).all()
-        if self.model:
-            return self.model.objects.all()
-        else:
-            return super(LDPView, self).get_queryset(*args, **kwargs)
-    
-    def dispatch(self, request, *args, **kwargs):
-        response = super(LDPViewSet, self).dispatch(request, *args, **kwargs)
-        response["Access-Control-Allow-Origin"] = request.META.get('HTTP_ORIGIN')
-        response["Access-Control-Allow-Methods"] = "POST,PUT"
-        response["Access-Control-Allow-Headers"] = "Content-Type, if-match"
-        response["Access-Control-Allow-Credentials"] = 'true'
-        response["Accept-Post"] = "application/ld+json"
-        return response
-    
+class LDPViewSetGenerator(ModelViewSet):
     @classonlymethod
     def get_model(cls, **kwargs):
+        '''gets the model in the arguments or in the viewset definition'''
         model = kwargs.get('model') or cls.model
         if isinstance(model, str):
             model = apps.get_model(model)
@@ -86,6 +37,7 @@ class LDPViewSet(ModelViewSet):
     
     @classonlymethod
     def get_detail_url(cls, lookup_field=None, base_url='', **kwargs):
+        '''builds the detail url based on the lookup_field'''
         lookup_field = lookup_field or kwargs.get('lookup_field') or cls.lookup_field
         if lookup_field and lookup_field != 'pk':
             return r'{}(?P<{}>[\w-]+)/'.format(base_url, lookup_field)
@@ -126,3 +78,56 @@ class LDPViewSet(ModelViewSet):
             url(r'^$', cls.as_view(cls.list_actions, **kwargs), name='{}-list'.format(model_name)),
             url(detail_url+'$', cls.as_view(cls.detail_actions, **kwargs), name='{}-detail'.format(model_name)),
         ] + cls.get_nested_urls(detail_url, model_name, **kwargs))
+
+class LDPViewSet(LDPViewSetGenerator):
+    model = None
+    fields = None
+    exclude = None
+    parent_model = None
+    nested_field = None
+    nested_related_name = None
+    list_actions = {'get': 'list', 'post': 'create'}
+    detail_actions = {'get': 'retrieve', 'put': 'update', 'patch': 'partial_update', 'delete': 'destroy'}
+    renderer_classes = (JSONLDRenderer, )
+    parser_classes = (JSONLDParser, )
+    authentication_classes = (NoCSRFAuthentication,)
+    
+    def __init__(self, **kwargs):
+        super().__init__(**kwargs)
+        model_name = self.model._meta.object_name.lower()
+        lookup_field = get_resolver().reverse_dict[model_name+'-detail'][0][0][1][0]
+        meta_args =  {'model': self.model, 'extra_kwargs': {'@id': {'lookup_field': lookup_field}}}
+        if self.fields:
+            meta_args['fields'] = self.fields
+        else:
+            meta_args['exclude'] = self.exclude or ()
+        meta_class = type('Meta', (), meta_args)
+        self.serializer_class = type(LDPSerializer)(model_name+'Serializer', (LDPSerializer,), {'Meta': meta_class})
+    
+    def get_parent(self):
+        return self.parent_model.objects.get(id=self.kwargs[self.lookup_field])
+    
+    def perform_create(self, serializer):
+        create_args = {}
+        if self.parent_model:
+            create_args[self.nested_related_name] = self.get_parent()
+        if hasattr(self.model._meta, 'auto_author'):
+            create_args[self.model._meta.auto_author] = self.request.user
+        serializer.save(**create_args)
+    
+    def get_queryset(self, *args, **kwargs):
+        if self.parent_model:
+            return getattr(self.get_parent(), self.nested_field).all()
+        if self.model:
+            return self.model.objects.all()
+        else:
+            return super(LDPView, self).get_queryset(*args, **kwargs)
+    
+    def dispatch(self, request, *args, **kwargs):
+        response = super(LDPViewSet, self).dispatch(request, *args, **kwargs)
+        response["Access-Control-Allow-Origin"] = request.META.get('HTTP_ORIGIN')
+        response["Access-Control-Allow-Methods"] = "POST,PUT"
+        response["Access-Control-Allow-Headers"] = "Content-Type, if-match"
+        response["Access-Control-Allow-Credentials"] = 'true'
+        response["Accept-Post"] = "application/ld+json"
+        return response