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# Copyright (C) 2007-2016 by the Free Software Foundation, Inc.
#
# This file is part of GNU Mailman.
#
# GNU Mailman is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# GNU Mailman 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 General Public License along with
# GNU Mailman. If not, see <http://www.gnu.org/licenses/>.
"""Model for members."""
__all__ = [
'Member',
]
from mailman.core.constants import system_preferences
from mailman.database.model import Model
from mailman.database.transaction import dbconnection
from mailman.database.types import Enum, UUID
from mailman.interfaces.action import Action
from mailman.interfaces.address import IAddress
from mailman.interfaces.listmanager import IListManager
from mailman.interfaces.member import (
IMember, MemberRole, MembershipError, UnsubscriptionEvent)
from mailman.interfaces.user import IUser, UnverifiedAddressError
from mailman.interfaces.usermanager import IUserManager
from mailman.utilities.uid import UIDFactory
from sqlalchemy import Column, ForeignKey, Integer, Unicode
from sqlalchemy.orm import relationship
from zope.component import getUtility
from zope.event import notify
from zope.interface import implementer
uid_factory = UIDFactory(context='members')
@implementer(IMember)
class Member(Model):
"""See `IMember`."""
__tablename__ = 'member'
id = Column(Integer, primary_key=True)
_member_id = Column(UUID)
role = Column(Enum(MemberRole), index=True)
list_id = Column(Unicode, index=True)
moderation_action = Column(Enum(Action))
address_id = Column(Integer, ForeignKey('address.id'), index=True)
_address = relationship('Address')
preferences_id = Column(Integer, ForeignKey('preferences.id'), index=True)
preferences = relationship('Preferences')
user_id = Column(Integer, ForeignKey('user.id'), index=True)
_user = relationship('User')
def __init__(self, role, list_id, subscriber):
self._member_id = uid_factory.new()
self.role = role
self.list_id = list_id
if IAddress.providedBy(subscriber):
self._address = subscriber
# Look this up dynamically.
self._user = None
elif IUser.providedBy(subscriber):
self._user = subscriber
# Look this up dynamically.
self._address = None
else:
raise ValueError('subscriber must be a user or address')
if role in (MemberRole.owner, MemberRole.moderator):
self.moderation_action = Action.accept
elif role is MemberRole.member:
self.moderation_action = getUtility(IListManager).get_by_list_id(
list_id).default_member_action
else:
assert role is MemberRole.nonmember, (
'Invalid MemberRole: {0}'.format(role))
self.moderation_action = getUtility(IListManager).get_by_list_id(
list_id).default_nonmember_action
def __repr__(self):
return '<Member: {0} on {1} as {2}>'.format(
self.address, self.mailing_list.fqdn_listname, self.role)
@property
def mailing_list(self):
"""See `IMember`."""
list_manager = getUtility(IListManager)
return list_manager.get_by_list_id(self.list_id)
@property
def member_id(self):
"""See `IMember`."""
return self._member_id
@property
def address(self):
"""See `IMember`."""
return (self._user.preferred_address
if self._address is None
else self._address)
@address.setter
def address(self, new_address):
"""See `IMember`."""
if self._address is None:
# XXX Either we need a better exception here, or we should allow
# changing a subscription from preferred address to explicit
# address (and vice versa via del'ing the .address attribute.
raise MembershipError('Membership is via preferred address')
if new_address.verified_on is None:
# A member cannot change their subscription address to an
# unverified address.
raise UnverifiedAddressError(new_address)
user = getUtility(IUserManager).get_user(new_address.email)
if user is None or user != self.user:
raise MembershipError('Address is not controlled by user')
self._address = new_address
@property
def user(self):
"""See `IMember`."""
return (self._user
if self._address is None
else getUtility(IUserManager).get_user(self._address.email))
@property
def subscriber(self):
return (self._user if self._address is None else self._address)
def _lookup(self, preference, default=None):
pref = getattr(self.preferences, preference)
if pref is not None:
return pref
pref = getattr(self.address.preferences, preference)
if pref is not None:
return pref
if self.address.user:
pref = getattr(self.address.user.preferences, preference)
if pref is not None:
return pref
if default is None:
return getattr(system_preferences, preference)
return default
@property
def acknowledge_posts(self):
"""See `IMember`."""
return self._lookup('acknowledge_posts')
@property
def preferred_language(self):
"""See `IMember`."""
missing = object()
language = self._lookup('preferred_language', missing)
if language is missing:
language = ((self.mailing_list and
self.mailing_list.preferred_language) or
system_preferences.preferred_language)
return language
@property
def receive_list_copy(self):
"""See `IMember`."""
return self._lookup('receive_list_copy')
@property
def receive_own_postings(self):
"""See `IMember`."""
return self._lookup('receive_own_postings')
@property
def delivery_mode(self):
"""See `IMember`."""
return self._lookup('delivery_mode')
@property
def delivery_status(self):
"""See `IMember`."""
return self._lookup('delivery_status')
@property
def options_url(self):
"""See `IMember`."""
# XXX Um, this is definitely wrong
return 'http://example.com/' + self.address.email
@dbconnection
def unsubscribe(self, store):
"""See `IMember`."""
# Yes, this must get triggered before self is deleted.
notify(UnsubscriptionEvent(self.mailing_list, self))
store.delete(self.preferences)
store.delete(self)
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