1 files changed, 63 insertions, 0 deletions
diff --git a/forum/middleware/view_log.py b/forum/middleware/view_log.py
new file mode 100644
index 00000000..6f59568a
--- /dev/null
+++ b/forum/middleware/view_log.py
@@ -0,0 +1,63 @@
+import logging
+from django.conf import settings
+from forum.views.readers import questions as questions_view
+from forum.views.commands import vote as vote_view
+from django.views.static import serve as django_serve_view
+
+class ViewLog(object):
+    """must be modified only in this middlware
+    however, can be read anywhere else
+    """
+    def __init__(self):
+        self.views = []
+        self.depth = 3 #todo maybe move this to const.py
+    def set_current(self, view_name):
+        thi
+
+    def get_previous(self, num):
+        if num > self.depth - 1:
+            raise Exception("view log depth exceeded")
+        elif num < 0:
+            raise Exception("num must be positive");
+        elif num <= len(self.views) - 1:
+            return self.views[num]
+        else:
+            return None
+
+    def set_current(self, view_name):
+        self.views.insert(0, view_name)
+        if len(self.views) > self.depth:
+            self.views.pop()
+
+    def __str__(self):
+        return str(self.views) + ' depth=%d' % self.depth
+
+class ViewLogMiddleware(object):
+    def process_view(self, request, view_func, view_args, view_kwargs):
+        if view_func == questions_view:
+            view_str = 'questions'
+        elif view_func in (django_serve_view, vote_view):
+            return
+        elif settings.DEBUG == True:
+            #todo: dependency!
+            from debug_toolbar.views import debug_media_view
+            if view_func == debug_media_view:
+                return
+            else:
+                view_str = view_func.__name__
+        else:
+            view_str = view_func.__name__
+
+        if request.user.is_authenticated():
+            user_name = request.user.username
+        else:
+            user_name = request.META['REMOTE_ADDR']
+        logging.debug('user %s, view %s' % (request.user.username, view_str))
+
+        if 'view_log' in request.session:
+            view_log = request.session['view_log']
+        else:
+            view_log = ViewLog()
+
+        view_log.set_current(view_str)
+        request.session['view_log'] = view_log