added permission so that only admin accounts can see stats

schema.py

@@ -16,19 +16,29 @@
 
 """cubicweb-awstats schema"""
 
-from yams.buildobjs import (EntityType, String, Int, Date, Boolean,
+from yams.buildobjs import (EntityType, String, Int, Date, Datetime, Boolean,
                             SubjectRelation, RelationDefinition, RelationType)
 _ = unicode
 
+MANAGER_PERMISSIONS = {
+     'read': ('managers', ),
+     'update': ('managers', 'owners',),
+     'delete': ('managers', 'owners'),
+     'add': ('managers',)
+     }
+
 class StatPeriod(EntityType):
+    __permissions__ = MANAGER_PERMISSIONS
+    # FIXME - use DateTime if periodicity is hour ? (optimisation in db?)
     start = Date()
     stop = Date()
 
 class Hits(EntityType):
+    __permissions__ = MANAGER_PERMISSIONS
     name = String(maxsize=128)
     hit_type = String(maxsize=128)
     count = Int()
     period = SubjectRelation('StatPeriod', cardinality='?*')
 
-# to establish a link with the entity you want to build stats for
-# you need to create a relationship Hits "stats_about" X
+
+