# -*- coding: utf-8 -*-
"""
    rhodecode.model.users_group
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~

    users group model for RhodeCode

    :created_on: Oct 1, 2011
    :author: nvinot
    :copyright: (C) 2011-2011 Nicolas Vinot <aeris@imirhil.fr>
    :license: GPLv3, see COPYING for more details.
"""
# 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/>.

import logging
import traceback

from rhodecode.lib.caching_query import FromCache

from rhodecode.model import BaseModel
from rhodecode.model.db import UsersGroupMember, UsersGroup

log = logging.getLogger(__name__)

class UsersGroupModel(BaseModel):

    def get(self, users_group_id, cache = False):
        users_group = UsersGroup.query()
        if cache:
            users_group = users_group.options(FromCache("sql_cache_short",
                                          "get_users_group_%s" % users_group_id))
        return users_group.get(users_group_id)

    def get_by_name(self, name, cache = False, case_insensitive = False):
        users_group = UsersGroup.query()
        if case_insensitive:
            users_group = users_group.filter(UsersGroup.users_group_name.ilike(name))
        else:
            users_group = users_group.filter(UsersGroup.users_group_name == name)
        if cache:
            users_group = users_group.options(FromCache("sql_cache_short",
                                          "get_users_group_%s" % name))
        return users_group.scalar()

    def create(self, form_data):
        try:
            new_users_group = UsersGroup()
            for k, v in form_data.items():
                setattr(new_users_group, k, v)

            self.sa.add(new_users_group)
            self.sa.commit()
            return new_users_group
        except:
            log.error(traceback.format_exc())
            self.sa.rollback()
            raise

    def add_user_to_group(self, users_group, user):
        for m in users_group.members:
            u = m.user
            if u.user_id == user.user_id:
                return m

        try:
            users_group_member = UsersGroupMember()
            users_group_member.user = user
            users_group_member.users_group = users_group

            users_group.members.append(users_group_member)
            user.group_member.append(users_group_member)

            self.sa.add(users_group_member)
            self.sa.commit()
            return users_group_member
        except:
            log.error(traceback.format_exc())
            self.sa.rollback()
            raise