# -*- coding: utf-8 -*-
# 
# django-ldapdb
# Copyright (c) 2009-2010, Bolloré telecom
# All rights reserved.
# 
# See AUTHORS file for a full list of contributors.
# 
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
# 
#     1. Redistributions of source code must retain the above copyright notice, 
#        this list of conditions and the following disclaimer.
#     
#     2. Redistributions in binary form must reproduce the above copyright 
#        notice, this list of conditions and the following disclaimer in the
#        documentation and/or other materials provided with the distribution.
# 
#     3. Neither the name of Bolloré telecom nor the names of its contributors
#        may be used to endorse or promote products derived from this software
#        without specific prior written permission.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#

class Router(object):
    """A router to control all database operations on models in
    the myapp application"""

    def db_for_read(self, model, **hints):
        "Point all operations on LDAP models to 'ldap'"
        from ldapdb.models import Model
        if Model in model.__bases__:
            return 'ldap'
        return None

    def db_for_write(self, model, **hints):
        "Point all operations on LDAP models to 'ldap'"
        from ldapdb.models import Model
        if Model in model.__bases__:
            return 'ldap'
        return None


# -*- coding: utf-8 -*-
# 
# django-ldapdb
# Copyright (c) 2009-2010, Bolloré telecom
# All rights reserved.
# 
# See AUTHORS file for a full list of contributors.
# 
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
# 
#     1. Redistributions of source code must retain the above copyright notice, 
#        this list of conditions and the following disclaimer.
#     
#     2. Redistributions in binary form must reproduce the above copyright 
#        notice, this list of conditions and the following disclaimer in the
#        documentation and/or other materials provided with the distribution.
# 
#     3. Neither the name of Bolloré telecom nor the names of its contributors
#        may be used to endorse or promote products derived from this software
#        without specific prior written permission.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#

def is_ldap_model(model):
    # FIXME: there is probably a better check than testing 'base_dn'
    return hasattr(model, 'base_dn')

class Router(object):
    """A router to control all database operations on models in
    the myapp application"""

    def db_for_read(self, model, **hints):
        "Point all operations on LDAP models to 'ldap'"
        if is_ldap_model(model):
            return 'ldap'
        return None

    def db_for_write(self, model, **hints):
        "Point all operations on LDAP models to 'ldap'"
        if is_ldap_model(model):
            return 'ldap'
        return None


rework router