##############################################################################
#
# Copyright (c) 2005-2006 TINY SPRL. (http://tiny.be) All Rights Reserved.
#
# $Id$
#
# WARNING: This program as such is intended to be used by professional
# programmers who take the whole responsability of assessing all potential
# consequences resulting from its eventual inadequacies and bugs
# End users who are looking for a ready-to-use solution with commercial
# garantees and support are strongly adviced to contract a Free Software
# Service Company
#
# 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 2
# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
#
##############################################################################

import sys
if sys.version_info[:2] < (2, 4):
	from sets import Set as set

import time
import ldap
import ldap.modlist

import wizard
import pooler

BASE_DN = 'ou=addressbook,dc=localdomain'

def terp2ldap(data):
	res = {}
	for ldap_name, terp in LDAP_TERP_MAPPER.items():
		if callable(terp) and terp(data):
			res[ldap_name] = [terp(data)]
		elif isinstance(terp, basestring) and data[terp]:
			res[ldap_name] = ['%s' % data[terp]]
	return res

def get_lastname(dico):
	lnames = dico['name'].split(' ', 1)[1:]
	if lnames:
		return ' '.join(lnames)
	else:
		return dico['name']

def get_street(dico):
	return ' '.join([dico[x] for x in ('street', 'street2') if dico[x]])

def get_name(attribute):
	def func(dico):
		return dico[attribute][1]
	return func


LDAP_TERP_MAPPER = {
		'displayname': 'name',
		'mail': 'email',
		'o': get_name('partner_id'),
		'telephoneNumber': 'phone',
		'street': get_street,
		'postalcode': 'zip',
		'l': 'city',
		'cn': 'name',
		'sn': get_lastname,
		'uid': 'id',
		}


class sync_ldap(wizard.interface):
	
	_login_arch = '''<?xml version="1.0" ?>
	<form string="LDAP Credentials">
		<field name="ldap_host" colspan="4" />
		<field name="dn" colspan="4" />
		<field name="password" colspan="4" />
	</form>
	'''

	_login_fields = {
			'ldap_host': {'string': 'LDAP Host', 'type': 'char', 'size': 128},
			'dn': {'string': 'Distinguished name', 'type': 'char', 'size': 128},
			'password': {'string': 'Password', 'type': 'char', 'size': 128},
			}

	def _do_sync(self, cr, uid, data, context):
		l = ldap.open(data['form']['ldap_host'])
		l.simple_bind_s(data['form']['dn'], data['form']['password'])
		ldap_objs = dict(l.search_s(BASE_DN, ldap.SCOPE_ONELEVEL, 'objectclass=*',
							        LDAP_TERP_MAPPER.keys()))
		address = pooler.get_pool(cr.dbname).get('res.partner.address')
		terp_objs = dict([(x['id'], x) for x in address.read(cr, uid, address.search(cr, uid, []))])
		ldap_set = [int(x['uid'][0]) for x in ldap_objs.values()]
		terp_set = terp_objs.keys()
		for to_delete in ldap_set:
			if to_delete in terp_set:
				continue
			l.delete_s('uid=%s,%s' % (to_delete, BASE_DN))
		for to_add in terp_set:
			if to_add in ldap_set:
				continue
			new_dn = 'uid=%s,%s' % (to_add, BASE_DN)
			ldap_data = {'objectclass' : ['organizationalPerson', 'inetOrgPerson']}
			ldap_data.update(terp2ldap(terp_objs[to_add]))
			l.add_s(new_dn, ldap.modlist.addModlist(ldap_data))
			address.write(cr, uid, [to_add], {'dn' : new_dn})
		for to_update in terp_set:
			if to_update not in ldap_set:
				continue
			current_dn = 'uid=%s,%s' % (to_update, BASE_DN)
			modlist = ldap.modlist.modifyModlist(ldap_objs[current_dn], terp2ldap(terp_objs[to_update]))
			if modlist:
				l.modify_s(current_dn, modlist)
		return {}

	states = {
		'init' : {
			'actions' : [],
			'result' : {
				'type' : 'form',
				'arch' : _login_arch,
				'fields' : _login_fields,
				'state' : (('end', 'Cancel'),('sync', 'Synchronize'))
				},
		},
		'sync' : {
			'actions' : [ _do_sync ],
			'result' : { 'type' : 'state', 'state' : 'end' },
		},
	}


sync_ldap('partners.sync_ldap')

# vim:noexpandtab: