# -*- cpy-indent-level: 4; indent-tabs-mode: nil -*-
# ex: set expandtab softtabstop=4 shiftwidth=4:
#
# Copyright (C) 2008,2009,2010,2011,2013  Contributor
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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"""Contains the logic for `aq show principal --principal`."""

from sqlalchemy.orm import undefer

from aquilon.exceptions_ import ArgumentError, NotFoundException
from aquilon.worker.broker import BrokerCommand  # pylint: disable=W0611
from aquilon.worker.dbwrappers.user_principal import (
        get_or_create_user_principal)


class CommandShowPrincipalPrincipal(BrokerCommand):

    required_parameters = ["principal"]

    def render(self, session, principal, **arguments):
        try:
            options = [undefer("comments")]
            return get_or_create_user_principal(session, principal, False,
                                                False, options)
        except ArgumentError:
            raise NotFoundException("User principal %s not found." % principal)
