events: Add events for pre user create and pre user update.

These events are emitted before a user is created or updated.

rhodecode/events.py

@@ -1,31 +1,53 b''
 # Copyright (C) 2016-2016  RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 from zope.interface import implementer
-from rhodecode.interfaces import IUserRegistered
+from rhodecode.interfaces import (
+    IUserRegistered, IUserPreCreate, IUserPreUpdate)
 
 
 @implementer(IUserRegistered)
 class UserRegistered(object):
     """
     An instance of this class is emitted as an :term:`event` whenever a user
     account is registered.
     """
     def __init__(self, user, session):
         self.user = user
         self.session = session
+
+
+@implementer(IUserPreCreate)
+class UserPreCreate(object):
+    """
+    An instance of this class is emitted as an :term:`event` before a new user
+    object is created.
+    """
+    def __init__(self, active):
+        self.active = active
+
+
+@implementer(IUserPreUpdate)
+class UserPreUpdate(object):
+    """
+    An instance of this class is emitted as an :term:`event` before a user
+    object is updated.
+    """
+    def __init__(self, user, active):
+        self.user = user
+        self.active = active

rhodecode/interfaces.py

@@ -1,28 +1,43 b''
 # Copyright (C) 2016-2016  RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 from zope.interface import Attribute, Interface
 
 
 class IUserRegistered(Interface):
     """
     An event type that is emitted whenever a new user registers a user
     account.
     """
     user = Attribute('The user object.')
     session = Attribute('The session while processing the register form post.')
+
+
+class IUserPreCreate(Interface):
+    """
+    An event type that is emitted before a new user object is persisted.
+    """
+    active = Attribute('Value for user.active')
+
+
+class IUserPreUpdate(Interface):
+    """
+    An event type that is emitted before a user object is updated.
+    """
+    user = Attribute('The not yet updated user object')
+    active = Attribute('New value for user.active')