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.
102 lines
3.4 KiB
102 lines
3.4 KiB
# -*- coding: utf-8 -*-
|
|
#############################################################################
|
|
#
|
|
# Cybrosys Technologies Pvt. Ltd.
|
|
#
|
|
# Copyright (C) 2023-TODAY Cybrosys Technologies(<https://www.cybrosys.com>)
|
|
# Author: Cybrosys Techno Solutions(<https://www.cybrosys.com>)
|
|
#
|
|
# You can modify it under the terms of the GNU LESSER
|
|
# GENERAL PUBLIC LICENSE (LGPL 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 LESSER GENERAL PUBLIC LICENSE (LGPL v3) for more details.
|
|
#
|
|
# You should have received a copy of the GNU LESSER GENERAL PUBLIC LICENSE
|
|
# (LGPL v3) along with this program.
|
|
# If not, see <http://www.gnu.org/licenses/>.
|
|
#
|
|
#############################################################################
|
|
import math
|
|
import re
|
|
from odoo import api, fields, models
|
|
|
|
|
|
class AccountMove(models.Model):
|
|
"""
|
|
Extends 'account.move' model to add custom fields and methods related to
|
|
EAN generation and validation.
|
|
"""
|
|
_inherit = "account.move"
|
|
|
|
account_barcode = fields.Char(
|
|
string='Account Barcode',
|
|
help='Barcode associated with the account move.')
|
|
|
|
@api.model
|
|
def create(self, vals):
|
|
"""
|
|
Overrides the 'create' method to generate and assign a valid EAN13
|
|
barcode to the account move.
|
|
vals: Dictionary of field values for creating the account move.
|
|
return: Created account move record with the assigned EAN13 barcode.
|
|
"""
|
|
res = super(AccountMove, self).create(vals)
|
|
ean = self.generate_ean(str(res.id))
|
|
res.account_barcode = ean
|
|
return res
|
|
|
|
def ean_checksum(self, eancode):
|
|
"""
|
|
Calculates the checksum digit of an EAN13 string.
|
|
eancode: EAN13 string without the last digit.
|
|
return: Checksum digit.
|
|
"""
|
|
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(self, eancode):
|
|
"""
|
|
Checks if an EAN13 string is valid.
|
|
eancode: EAN13 string to be validated.
|
|
return: True if the EAN13 string is valid, False otherwise.
|
|
"""
|
|
if not eancode:
|
|
return True
|
|
if len(eancode) != 13:
|
|
return False
|
|
try:
|
|
int(eancode)
|
|
except:
|
|
return False
|
|
return eancode.ean_checksum(eancode) == int(eancode[-1])
|
|
|
|
def generate_ean(self, ean):
|
|
"""
|
|
Generates a valid EAN13 barcode from an input string.
|
|
ean: Input string for generating the EAN13 barcode.
|
|
return: Valid EAN13 barcode.
|
|
"""
|
|
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(self.ean_checksum(ean))
|
|
|