appypod-rattail/gen/wrappers/GroupWrapper.py
2011-12-05 15:11:29 +01:00

75 lines
3 KiB
Python

# ------------------------------------------------------------------------------
from appy.gen.wrappers import AbstractWrapper
# ------------------------------------------------------------------------------
class GroupWrapper(AbstractWrapper):
def showLogin(self):
'''When must we show the login field?'''
if self.o.isTemporary(): return 'edit'
return 'view'
def validateLogin(self, login):
'''Is this p_login valid?'''
return True
def getGrantableRoles(self):
'''Returns the list of roles that the admin can grant to a user.'''
res = []
for role in self.o.getProductConfig().grantableRoles:
res.append( (role, self.translate('role_%s' % role)) )
return res
def validate(self, new, errors):
'''Inter-field validation.'''
return self._callCustom('validate', new, errors)
def confirm(self, new):
'''Use this method for remembering the previous list of users for this
group.'''
obj = self.o
if hasattr(obj.aq_base, '_oldUsers'): del obj.aq_base._oldUsers
obj._oldUsers = self.users
def addUser(self, user):
'''Adds a p_user to this group.'''
# Update the Ref field.
self.link('users', user)
# Update the group-related info on the Zope user.
zopeUser = user.getZopeUser()
zopeUser.groups[self.login] = self.roles
def removeUser(self, user):
'''Removes a p_user from this group.'''
self.unlink('users', user)
# Update the group-related info on the Zope user.
zopeUser = user.getZopeUser()
del zopeUser.groups[self.login]
def onEdit(self, created):
# Create or update, on every Zope user of this group, group-related
# information.
# 1. Remove reference to this group for users that were removed from it
newUsers = self.users
# The list of previously existing users does not exist when editing a
# group from Python. For updating self.users, it is recommended to use
# methods m_addUser and m_removeUser above.
oldUsers = getattr(self.o.aq_base, '_oldUsers', ())
for user in oldUsers:
if user not in newUsers:
del user.getZopeUser().groups[self.login]
self.log('User "%s" removed from group "%s".' % \
(user.login, self.login))
# 2. Add reference to this group for users that were added to it
for user in newUsers:
zopeUser = user.getZopeUser()
# We refresh group-related info on the Zope user even if the user
# was already in the group.
zopeUser.groups[self.login] = self.roles
if user not in oldUsers:
self.log('User "%s" added to group "%s".' % \
(user.login, self.login))
if hasattr(self.o.aq_base, '_oldUsers'): del self.o._oldUsers
return self._callCustom('onEdit', created)
# ------------------------------------------------------------------------------