# Copyright (C) 2006-2009 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 preferences."""

from __future__ import absolute_import, unicode_literals

__metaclass__ = type
__all__ = [
    'Preferences',
    ]


from storm.locals import *
from zope.interface import implements

from mailman.config import config
from mailman.database.model import Model
from mailman.database.types import Enum
from mailman.interfaces.preferences import IPreferences



class Preferences(Model):
    implements(IPreferences)

    id = Int(primary=True)
    acknowledge_posts = Bool()
    hide_address = Bool()
    _preferred_language = Unicode(name='preferred_language')
    receive_list_copy = Bool()
    receive_own_postings = Bool()
    delivery_mode = Enum()
    delivery_status = Enum()

    def __repr__(self):
        return '<Preferences object at {0:#x}>'.format(id(self))

    @property
    def preferred_language(self):
        if self._preferred_language is None:
            return None
        return config.languages[self._preferred_language]

    @preferred_language.setter
    def preferred_language(self, language):
        if language is None:
            self._preferred_language = None
        # Accept both a language code and a `Language` instance.
        try:
            self._preferred_language = language.code
        except AttributeError:
            self._preferred_language = language