##############################################################################
#
# Copyright (c) 2004 TINY SPRL. (http://tiny.be) All Rights Reserved.
#
# $Id: partner.py 1007 2005-07-25 13:18:09Z kayhman $
#
# 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.
#
##############################################################################

from osv import fields,osv

class res_partner_relation(osv.osv):
	_description='The partner object'
	_name = "res.partner.relation"
	_columns = {
		'name': fields.selection( [ ('default','Default'),('invoice','Invoice'), ('delivery','Delivery'), ('contact','Contact'), ('other','Other') ],'Relation Type', required=True),
		'partner_id': fields.many2one('res.partner', 'Main Partner', required=True, ondelete='cascade'),
		'relation_id': fields.many2one('res.partner', 'Relation Partner', required=True, ondelete='cascade')
	}
	_defaults = {
		'name' : lambda *a: 'invoice',
	}
res_partner_relation()

class res_partner(osv.osv):
	_description='The partner object'
	_inherit = "res.partner"
	_columns = {
		'relation_ids': fields.one2many('res.partner.relation', 'partner_id', 'Relations')
	}

	def _is_related_to(self, cr, uid, ids, toid):
		related=[]
		for id in ids:
			cr.execute("select id from res_partner_relation where (partner_id=%s and relation_id=%s) or (partner_id=%s and relation_id=%s)" % (id,toid,toid,id))
			res=cr.fetchone()
			if res and len(res):
				related.append(True)
			else:
				related.append(False)
		return related

	def address_get(self, cr, uid, ids, adr_pref=['default']):
		todo = []
		result = {}
		cr.execute('select name,relation_id from res_partner_relation where partner_id in ('+','.join(map(str,ids))+')')
		adrs = dict(cr.fetchall())
		for adr in adr_pref:
			if adr in adrs:
				adr_prov = super(res_partner, self).address_get(cr, uid, [adrs[adr]], [adr]).values()[0]
				result[adr] = adr_prov
			else:
				todo.append(adr)
		if len(todo):
			result.update(super(res_partner, self).address_get(cr, uid, ids, todo))
		return result
res_partner()