add DiffusionManager, use it

cms/routes.py

@@ -93,7 +93,7 @@ class DetailRoute(Route):
     @classmethod
     def get_object(cl, model, request, pk, **kwargs):
         """
-        * request is optional
+        * request: optional
         """
         return model.objects.get(pk = int(pk))
 
@@ -107,7 +107,7 @@ class AllRoute(Route):
     @classmethod
     def get_queryset(cl, model, request, **kwargs):
         """
-        * request is optional
+        * request: optional
         """
         return model.objects.all()
 
@@ -147,7 +147,7 @@ class ThreadRoute(Route):
     @classmethod
     def get_queryset(cl, model, request, thread_model, pk, **kwargs):
         """
-        * request is optional
+        * request: optional
         """
         thread = cl.get_thread(model, thread_model, pk)
         return model.get_siblings(thread_model = thread, thread_id = pk)
@@ -176,15 +176,17 @@ class DateRoute(Route):
     ]
 
     @classmethod
-    def get_queryset(cl, model, request, year, month, day, **kwargs):
+    def get_queryset(cl, model, request, year, month, day,
+                     attr='date', **kwargs):
         """
-        * request is optional
+        * request: optional
+        * attr: name of the attribute to check the date against
         """
-        return model.objects.filter(
-            date__year = int(year),
-            date__month = int(month),
-            date__day = int(day),
-        )
+        return model.objects.filter(**{
+            attr + '__year': int(year),
+            attr + '__month': int(month),
+            attr + '__day': int(day)
+        })
 
     @classmethod
     def get_title(cl, model, request, year, month, day, **kwargs):
@@ -208,7 +210,7 @@ class SearchRoute(Route):
     @classmethod
     def get_queryset(cl, model, request, q = None, **kwargs):
         """
-        * request is required if q is None
+        * request: required if q is None
         """
         q = request.GET.get('q') or q or ''
         qs = None