1 # -*- coding: utf-8 -*-
2 ##############################################################################
4 # Copyright (C) 2010 OpenERP s.a. (<http://www.openerp.com>).
6 # This program is free software: you can redistribute it and/or modify
7 # it under the terms of the GNU Affero General Public License as
8 # published by the Free Software Foundation, either version 3 of the
9 # License, or (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU Affero General Public License for more details.
16 # You should have received a copy of the GNU Affero General Public License
17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
19 ##############################################################################
21 from openerp.osv import osv
23 """Inherit res.currency to handle accounting date values when converting currencies"""
25 class res_currency_account(osv.osv):
26 _inherit = "res.currency"
28 def _get_conversion_rate(self, cr, uid, from_currency, to_currency, context=None):
31 rate = super(res_currency_account, self)._get_conversion_rate(cr, uid, from_currency, to_currency, context=context)
32 #process the case where the account doesn't work with an outgoing currency rate method 'at date' but 'average'
33 account = context.get('res.currency.compute.account')
34 account_invert = context.get('res.currency.compute.account_invert')
35 if account and account.currency_mode == 'average' and account.currency_id:
36 query = self.pool.get('account.move.line')._query_get(cr, uid, context=context)
37 cr.execute('select sum(debit-credit),sum(amount_currency) from account_move_line l ' \
38 'where l.currency_id=%s and l.account_id=%s and '+query, (account.currency_id.id,account.id,))
39 tot1,tot2 = cr.fetchone()
40 if tot2 and not account_invert:
41 rate = float(tot1)/float(tot2)
42 elif tot1 and account_invert:
43 rate = float(tot2)/float(tot1)
47 # vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: