# Copyright (C) 2017 Jan Jancar
#
# This file is a part of the Mailman PGP plugin.
#
# This program 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.
#
# 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 General Public License along with
# this program.  If not, see <http://www.gnu.org/licenses/>.

"""
Archives messages to a maildir, locally, encrypted (TBD how),
similar to Mailman's prototype archiver.
"""

from mailman.interfaces.archiver import IArchiver
from public import public
from zope.interface import implementer

from mailman_pgp.model.list import PGPMailingList


@public
@implementer(IArchiver)
class LocalMaildirArchiver:
    """Local PGP enabled archiver."""

    name = 'pgp-maildir-local'
    is_enabled = False

    def list_url(self, mlist):
        """See `IArchiver`."""
        return None

    def permalink(self, mlist, msg):
        """See `IArchiver`."""
        return None

    def archive_message(self, mlist, msg):
        """See `IArchiver`."""
        pgp_list = PGPMailingList.for_list(mlist)
        if not pgp_list:
            return None
        return None