product.py

#  -*- coding: utf-8 -*-
##############################################################################
#
#    OpenERP, Open Source Management Solution
#    Copyright (C) 2010-2013 Camptocamp (<http://www.camptocamp.com>)
#    Authors: Ferdinand Gasauer, Joel Grand-Guillaume
#
#    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 orm, fields
from openerp.tools.translate import _


class product_template(orm.Model):
    _inherit = "product.template"

    _columns = {
        'landed_cost_type': fields.selection(
            [('value', 'Value'),
             ('per_unit', 'Quantity'),
             ('none', 'None')],
            'Distribution Type',
            help="Used if this product is landed costs: "
            "If landed costs are defined for purchase orders or pickings, "
            "this indicates how the costs are distributed to the lines"),
    }

    _defaults = {
        'landed_cost_type':
        lambda self, cr, uid, context: context.get('landed_cost_type')
    }


class product_product(orm.Model):
    _inherit = "product.product"

    def _choose_exp_account_from(self, cr, uid, product, fiscal_position=False,
                                 context=None):
        """ Method to compute the expense account to chose based on product and
        fiscal position.

        Used in invoice creation and on_change of landed costs.
        Taken from method : _choose_account_from_po_line of purchase.py in
        purchase module.

        """
        fiscal_obj = self.pool.get('account.fiscal.position')
        property_obj = self.pool.get('ir.property')
        if product:
            acc_id = product.property_account_expense.id
            if not acc_id:
                acc_id = product.categ_id.property_account_expense_categ.id
            if not acc_id:
                raise orm.except_orm(
                    _('Error!'),
                    _('Define expense account for this company: "%s" (id:%d).')
                    % (product.name, product.id,))
        else:
            acc_id = property_obj.get(cr, uid,
                                      'property_account_expense_categ',
                                      'product.category').id
        return fiscal_obj.map_account(cr, uid, fiscal_position, acc_id)