# -*- cpy-indent-level: 4; indent-tabs-mode: nil -*-
# ex: set expandtab softtabstop=4 shiftwidth=4:
#
# Copyright (C) 2008,2009,2010,2011,2012,2013,2016,2017  Contributor
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# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
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#     http://www.apache.org/licenses/LICENSE-2.0
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"""Contains the logic for `aq update grn`."""

from aquilon.aqdb.model import Grn
from aquilon.worker.broker import BrokerCommand
from aquilon.worker.dbwrappers.grn import lookup_grn
from aquilon.worker.dbwrappers.change_management import ChangeManagement


class CommandUpdateGrn(BrokerCommand):

    def render(self, session, logger, grn, eon_id, rename_to, disabled,
               user, justification, reason, **arguments):
        dbgrn = lookup_grn(session, grn, eon_id, logger=logger,
                           config=self.config, usable_only=False)

        # Validate ChangeManagement
        cm = ChangeManagement(session, user, justification, reason, logger, self.command, **arguments)
        cm.consider(dbgrn)
        cm.validate()

        if rename_to:
            Grn.get_unique(session, rename_to, preclude=True)
            dbgrn.grn = rename_to
        if disabled is not None:
            dbgrn.disabled = disabled

        session.flush()
        return
