Add notification at info-bar, and fix bug in visiting register/login page when user is already logged in.

base/middleware.py

@@ -1,5 +1,10 @@
+from django.core.cache import cache
+
 from seaserv import get_binding_peerids
 
+from seahub.notifications.models import Notification
+from seahub.notifications.utils import refresh_cache
+
 class UseridMiddleware(object):
     """Store ccnet user ids in request.user.userid_list"""
 
@@ -16,3 +21,30 @@ class UseridMiddleware(object):
 
     def process_response(self, request, response):
         return response
+
+class InfobarMiddleware(object):
+    """Query info bar close status, and store into reqeust."""
+
+    def get_from_db(self):
+        ret = Notification.objects.all().filter(primary=1)
+        refresh_cache()
+        return ret
+
+    def process_request(self, request):
+        topinfo_close = request.COOKIES.get('topinfo', '')
+
+        cur_note = cache.get('CUR_TOPINFO') if cache.get('CUR_TOPINFO') else \
+            self.get_from_db()
+        if not cur_note:
+            request.cur_note = None
+        else:
+            if str(cur_note[0].id) in topinfo_close.split(','):
+                request.cur_note = None
+            else:
+                request.cur_note = cur_note[0]
+
+        return None
+            
+    def process_response(self, request, response):
+        return response
+