diff --git a/addons/event/event.py b/addons/event/event.py
index ad556f6e0d2..ee9aaf9dd48 100644
--- a/addons/event/event.py
+++ b/addons/event/event.py
@@ -103,14 +103,14 @@ class event_event(osv.osv):
     def button_done(self, cr, uid, ids, context=None):
         return self.write(cr, uid, ids, {'state': 'done'}, context=context)
 
-    def confirmation_event(self,cr,uid,ids,context=None):
+    def check_registration_limits(self, cr, uid, ids, context=None):
         register_pool = self.pool.get('event.registration')
         for self.event in self.browse(cr, uid, ids, context=context):
             total_confirmed = self.event.register_current
             if total_confirmed < self.event.register_min or total_confirmed > self.event.register_max and self.event.register_max!=0:
                 raise osv.except_osv(_('Error!'),_("The total of confirmed registration for the event '%s' does not meet the expected minimum/maximum. You should maybe reconsider those limits before going further") % (self.event.name))
 
-    def confirmation_email(self,cr,uid,ids,context=None):
+    def confirm_event(self, cr, uid, ids, context=None):
         register_pool = self.pool.get('event.registration')
         if self.event.email_confirmation_id:
         #send reminder that will confirm the event for all the people that were already confirmed
@@ -123,12 +123,11 @@ class event_event(osv.osv):
     def button_confirm(self, cr, uid, ids, context=None):
         """ Confirm Event and send confirmation email to all register peoples
         """
-        #renforcing method : create a list of ids
         if isinstance(ids, (int, long)):
             ids = [ids]
-        self.confirmation_event(cr,uid,ids,context=context)
-        self.confirmation_email(cr,uid,ids,context=context)
-        return True
+        self.check_registration_limits(cr, uid, ids, context=context)
+        return self.confirm_event(cr, uid, ids, context=context)
+
     def _get_register(self, cr, uid, ids, fields, args, context=None):
         """Get Confirm or uncofirm register value.
         @param ids: List of Event registration type's id
@@ -261,20 +260,17 @@ class event_registration(osv.osv):
     def do_draft(self, cr, uid, ids, context=None):
         return self.write(cr, uid, ids, {'state': 'draft'}, context=context)
 
-    def confirmation_registration(self, cr, uid, ids, context=None):
-        res = self.write(cr, uid, ids, {'state': 'open'}, context=context)
+    def confirm_registration(self, cr, uid, ids, context=None):
         self.message_append(cr, uid, ids,_('State set to...'),body_text= _('Open'))
-        return res
+        return self.write(cr, uid, ids, {'state': 'open'}, context=context)
 
-    def email_registration(self, cr, uid, ids, context=None):
-        self.mail_user(cr, uid, ids)
 
     def registration_open(self, cr, uid, ids, context=None):
         """ Open Registration
         """
-        self.confirmation_registration(cr, uid, ids, context=context)
-        self.email_registration(cr, uid, ids, context=context)
-        return True
+        res = self.confirm_registration(cr, uid, ids, context=context)
+        self.mail_user(cr, uid, ids)
+        return res
 
     def button_reg_close(self, cr, uid, ids, context=None):
         """ Close Registration
diff --git a/addons/event_moodle/event_moodle.py b/addons/event_moodle/event_moodle.py
index 2b007375bfa..59d3e530b44 100644
--- a/addons/event_moodle/event_moodle.py
+++ b/addons/event_moodle/event_moodle.py
@@ -157,11 +157,12 @@ class event_event(osv.osv):
         'moodle_id': fields.integer('Moodle ID', help='The identifier of this event in Moodle'),
     }
 
-    def confirmation_event(self, cr, uid, ids, context=None):
+    def check_registration_limits(self, cr, uid, ids, context=None):
         """
         create moodle courses ,users and match them when an event is confirmed
         if the event_registration is not confirmed then it doesn t nothing
         """
+        res = super(event_event, self).check_registration_limits(cr, uid, ids, context=context)
         moodle_pool = self.pool.get('event.moodle.config.wiz')
         moodle_config_wiz_id = moodle_pool.find(cr, uid, context=context)
         list_users=[]
@@ -216,7 +217,7 @@ class event_event(osv.osv):
                 'courseid' :response_courses[0]['id']
                 })
             moodle_pool.moodle_enrolled(cr, uid, moodle_config_wiz_id, enrolled, context=context)
-        return super(event_event, self).confirmation_event(cr, uid, ids, context)
+        return res
 
 event_event()
 
@@ -230,10 +231,11 @@ class event_registration(osv.osv):
         'moodle_uid': fields.integer('Moodle User ID'),
     }
 
-    def confirmation_registration(self, cr, uid, ids, context=None):
+    def confirm_registration(self, cr, uid, ids, context=None):
         """
         create a user and match to a course if the event is already confirmed
         """
+        res = super(event_registration, self).confirm_registration(cr, uid, ids, context=context)
         moodle_pool = self.pool.get('event.moodle.config.wiz')
         moodle_config_wiz_id = moodle_pool.find(cr, uid, context=context)
         for register in self.browse(cr, uid, ids, context=context):
@@ -263,7 +265,7 @@ class event_registration(osv.osv):
                     'courseid': register.event_id.moodle_id
                 }]
                 moodle_pool.moodle_enrolled(cr, uid, moodle_config_wiz_id, enrolled, context=context)
-        return super(event_registration, self).confirmation_registration(cr, uid, ids, context=context)
+        return res
 
     def onchange_moodle_name(self, cr, uid, ids, moodle_username, context=None):
         """