decimal_pre_currency.py

# -*- encoding: utf-8 -*-
###########################################################################
#    Module Writen to OpenERP, Open Source Management Solution
#    Copyright (C) OpenERP Venezuela (<http://openerp.com.ve>).
#    All Rights Reserved
# Credits######################################################
#    Coded by: Maria Gabriela Quilarque  <gabriela@openerp.com.ve>
#    Planified by: Nhomar Hernandez <nhomar@vauxoo.com>
#    Audited by: Maria Gabriela Quilarque  <gabriela@openerp.com.ve>
#    Modified by: Daniel Blanco <daniel@blancomartin.cl>
#    
#############################################################################
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU Affero 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 Affero General Public License for more details.
#
#    You should have received a copy of the GNU Affero General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
##############################################################################
from openerp.osv import fields, osv

import time
from openerp.addons.decimal_precision import decimal_precision as dp


class res_currency_rate(osv.Model):

    _inherit = "res.currency.rate"
    _columns = {
        'rate': fields.float('Rate',
            digits_compute=dp.get_precision('Currency'), required=True,
            help='The rate of the currency to the currency of rate 1'),
    }


# class res_currency(osv.Model):
# 
#     def _current_rate(self, cr, uid, ids, name, arg, context=None):
#         if context is None:
#             context = {}
#         res = {}
#         if 'date' in context:
#             date = context['date']
#         else:
#             date = time.strftime('%Y-%m-%d')
#         date = date or time.strftime('%Y-%m-%d')
#         for id in ids:
#             cr.execute(
#                 "SELECT currency_id, rate\
#                     FROM res_currency_rate\
#                 WHERE currency_id = %s\
#                 AND name <= %s\
#                 ORDER BY name desc LIMIT 1", (id, date))
#             if cr.rowcount:
#                 id, rate = cr.fetchall()[0]
#                 res[id] = rate
#             else:
#                 res[id] = 0
#         return res
# 
#     _inherit = "res.currency"
#     _columns = {
#         'rate': fields.function(_current_rate, method=True,
#             string='Current Rate', digits_compute=dp.get_precision('Currency'),
#             help='The rate of the currency to the currency of rate 1'),
#         'rounding': fields.float('Rounding factor',
#             digits_compute=dp.get_precision('Currency')),
# 
#     }


class res_currency(osv.Model):    
    _name = "res.currency"
    _inherit = "res.currency"
    
    def _current_rate(self, cr, uid, ids, name, arg, context=None):
        return super(
            res_currency,self)._current_rate(cr, uid, ids, name, arg, context)

    def _current_rate_silent(self, cr, uid, ids, name, arg, context=None):
        return super(
            res_currency,self)._current_rate_silent(
            cr, uid, ids, name, arg, context)

    _columns = {
        'rate': fields.function(
            _current_rate, string='Current Rate',
            digits_compute=dp.get_precision('Currency'),
            help='The rate of the currency to the currency of rate 1.'),

        'rate_silent': fields.function(_current_rate_silent, string='Current Rate',
            digits_compute=dp.get_precision('Currency'),
                help="""The rate of the currency to the currency of rate 1 
    (0 if no rate defined).""")
    }