You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
97 lines
2.7 KiB
97 lines
2.7 KiB
# -*- coding: utf-8 -*-
|
|
#############################################################################
|
|
#
|
|
# Cybrosys Technologies Pvt. Ltd.
|
|
#
|
|
# Copyright (C) 2020-TODAY Cybrosys Technologies(<https://www.cybrosys.com>).
|
|
# Author: Niyas Raphy and Sreejith P (odoo@cybrosys.com)
|
|
#
|
|
# You can modify it under the terms of the GNU AFFERO
|
|
# GENERAL PUBLIC LICENSE (AGPL v3), Version 3.
|
|
#
|
|
# 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 (AGPL v3) for more details.
|
|
#
|
|
# You should have received a copy of the GNU AFFERO GENERAL PUBLIC LICENSE
|
|
# (AGPL v3) along with this program.
|
|
# If not, see <http://www.gnu.org/licenses/>.
|
|
#
|
|
#############################################################################
|
|
|
|
import math
|
|
import re
|
|
from odoo import api, models
|
|
|
|
|
|
class ProductAutoBarcode(models.Model):
|
|
_inherit = 'product.product'
|
|
|
|
@api.model
|
|
def create(self, vals):
|
|
res = super(ProductAutoBarcode, self).create(vals)
|
|
ean = generate_ean(str(res.id))
|
|
res.barcode = ean
|
|
return res
|
|
|
|
|
|
def ean_checksum(eancode):
|
|
"""returns the checksum of an ean string of length 13, returns -1 if
|
|
the string has the wrong length"""
|
|
if len(eancode) != 13:
|
|
return -1
|
|
oddsum = 0
|
|
evensum = 0
|
|
eanvalue = eancode
|
|
reversevalue = eanvalue[::-1]
|
|
finalean = reversevalue[1:]
|
|
|
|
for i in range(len(finalean)):
|
|
if i % 2 == 0:
|
|
oddsum += int(finalean[i])
|
|
else:
|
|
evensum += int(finalean[i])
|
|
total = (oddsum * 3) + evensum
|
|
|
|
check = int(10 - math.ceil(total % 10.0)) % 10
|
|
return check
|
|
|
|
|
|
def check_ean(eancode):
|
|
"""returns True if eancode is a valid ean13 string, or null"""
|
|
if not eancode:
|
|
return True
|
|
if len(eancode) != 13:
|
|
return False
|
|
try:
|
|
int(eancode)
|
|
except:
|
|
return False
|
|
return ean_checksum(eancode) == int(eancode[-1])
|
|
|
|
|
|
def generate_ean(ean):
|
|
"""Creates and returns a valid ean13 from an invalid one"""
|
|
if not ean:
|
|
return "0000000000000"
|
|
ean = re.sub("[A-Za-z]", "0", ean)
|
|
ean = re.sub("[^0-9]", "", ean)
|
|
ean = ean[:13]
|
|
if len(ean) < 13:
|
|
ean = ean + '0' * (13 - len(ean))
|
|
return ean[:-1] + str(ean_checksum(ean))
|
|
|
|
|
|
class ProductTemplateAutoBarcode(models.Model):
|
|
_inherit = 'product.template'
|
|
|
|
@api.model
|
|
def create(self, vals_list):
|
|
templates = super(ProductTemplateAutoBarcode, self).create(vals_list)
|
|
ean = generate_ean(str(templates.id))
|
|
templates.barcode = ean
|
|
return templates
|
|
|
|
|
|
# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
|
|
|