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Viewing changes to account_compute_tax_amount/account_move_line.py

  • Committer: nicolas.bessi at camptocamp
  • Author(s): vincent.renaville at camptocamp
  • Date: 2013-08-28 10:04:49 UTC
  • mfrom: (113.3.9 7.0_add_account_compute_tax_amount)
  • Revision ID: nicolas.bessi@camptocamp.com-20130828100449-3apzp50rmd7demrt
[ADD] account_compute_tax_amount module

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account_compute_tax_amount/account_move_line.py
 
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# -*- coding: utf-8 -*-
 
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##############################################################################
 
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#
 
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# Copyright (c) 2013 Camptocamp (http://www.camptocamp.com)
 
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# All Right Reserved
 
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#
 
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# Author : Vincent Renaville (Camptocamp)
 
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#
 
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#    This program is free software: you can redistribute it and/or modify
 
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#    it under the terms of the GNU Affero General Public License as
 
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#    published by the Free Software Foundation, either version 3 of the
 
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#    License, or (at your option) any later version.
 
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#
 
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#    This program is distributed in the hope that it will be useful,
 
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#    but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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#    GNU Affero General Public License for more details.
 
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#
 
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#    You should have received a copy of the GNU Affero General Public License
 
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#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
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#
 
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##############################################################################
 
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from openerp.osv import orm, fields
 
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import openerp.addons.decimal_precision as dp
 
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class account_move_line(orm.Model):
 
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    _inherit = "account.move.line"
 
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    # We set the tax_amount invisible, because we recompute it in every case.
 
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    _columns = {
 
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        'tax_amount': fields.float('Tax/Base Amount',
 
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                                   digits_compute=dp.get_precision('Account'),
 
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                                   invisible=True,
 
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                                   select=True,
 
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                                   help="If the Tax account is a tax code account, "
 
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                                        "this field will contain the taxed amount. "
 
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                                        "If the tax account is base tax code, "
 
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                                        "this field will contain the basic amount (without tax)."),
 
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    }
 
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    def create(self, cr, uid, vals, context=None, check=True):
 
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        result = super(account_move_line, self).create(cr, uid, vals,
 
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                                                       context=context,
 
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                                                       check=check)
 
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        if result:
 
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            move_line = self.read(cr, uid, result,
 
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                                  ['credit', 'debit', 'tax_code_id'],
 
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                                  context=context)
 
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            if move_line['tax_code_id']:
 
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                tax_amount = move_line['credit'] - move_line['debit']
 
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                self.write(cr, uid, [result],
 
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                           {'tax_amount': tax_amount},
 
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                           context=context)
 
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        return result
 
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    def write(self, cr, uid, ids, vals, context=None, check=True, update_check=True):
 
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        result = super(account_move_line,self).write(cr, uid, ids, vals,
 
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                                                     context=context,
 
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                                                     check=check,
 
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                                                     update_check=update_check)
 
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        if result:
 
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            if ('debit' in vals) or ('credit' in vals):
 
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                move_lines = self.read(cr, uid, ids,
 
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                                       ['credit', 'debit', 'tax_code_id'],
 
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                                       context=context)
 
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                for move_line in move_lines:
 
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                    if move_line['tax_code_id']:
 
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                        tax_amount = move_line['credit'] - move_line['debit']
 
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                        self.write(cr, uid,
 
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                                   [move_line['id']],
 
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                                   {'tax_amount': tax_amount},
 
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                                   context=context)
 
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        return result