# -*- 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.model import BaseModel
from rhodecode.model.caching_query import FromCache
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