database.py 1.69 KB
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# DATABASE.PY -- Gestion des bases de données multiples dans l'intranet
#
# Copyright (C) 2010 Nicolas Dandrimont
# Authors: Nicolas Dandrimont <olasd@crans.org>
#
# 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 settings

class Router(object):
    """Effectue le routage entre les différentes bases de données"""

    def db_for_read(self, model, **hints):
        """Base de données à utiliser pour la lecture"""
        if model._meta.app_label == "prises":
            return "switchs"

        return "default"

    def db_for_write(self, model, **hints):
        """Base de données à utiliser pour l'écriture"""
        if model._meta.app_label == "prises":
            return "switchs"

        return "default"

    def allow_syncdb(self, db, model):
        """Autoriser l'écriture du modèle donné dans la base de données ?"""

        if db == "switchs":
            if model._meta.app_label == "prises":
                return True
            return False
        else:
            if model._meta.app_label == "prises":
                return False
        return True