Files
odoo-usability/product_print_zpl_barcode/models/product.py
Alexis de Lattre 5496aa38f8 product_print_zpl_barcode: Add support for barcode generation
Add support for EAN-8 (in additional to EAN-13)
2021-01-22 15:00:14 +01:00

68 lines
2.7 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2020 Akretion France (http://www.akretion.com/)
# @author: Alexis de Lattre <alexis.delattre@akretion.com>
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
from odoo import api, fields, models, _
from odoo.exceptions import UserError
from stdnum.ean import calc_check_digit
class ProductTemplate(models.Model):
_inherit = "product.template"
must_print_barcode = fields.Boolean(
string="Must Print Barcode",
help="Enable that option for products for which you must "
"print a barcode upon reception in stock.")
def generate_barcode_from_product_template(self):
self.ensure_one()
if self.product_variant_count != 1:
raise UserError(_(
"You cannot call the method "
"generate_barcode_from_product_template on product '%s' "
"because it has %d variants and not just one.")
% (self.display_name, self.product_variant_count))
return self.product_variant_ids[0].generate_barcode_from_product_product()
def print_zpl_barcode_from_product_template(self):
self.ensure_one()
if self.product_variant_count != 1:
raise UserError(_(
"You cannot call the method "
"print_zpl_barcode_from_product_template on product '%s' "
"because it has %d variants and not just one.")
% (self.display_name, self.product_variant_count))
action = self.env.ref(
'product_print_zpl_barcode.product_print_zpl_barcode_action').read()[0]
action['context'] = {
'active_id': self.product_variant_ids[0].id,
'active_model': 'product.product',
}
return action
class ProductProduct(models.Model):
_inherit = 'product.product'
def generate_barcode_from_product_product(self):
self.ensure_one()
if self.barcode:
raise UserError(_(
"The product '%s' already has a barcode.") % self.display_name)
barcode_without_checksum = self.env['ir.sequence'].next_by_code(
'private.product.barcode')
if len(barcode_without_checksum) not in (7, 12):
raise UserError(_(
"The sequence 'private.product.barcode' is not properly "
"configured. The generated sequence should have 7 digits "
"(for EAN-8) or 12 digits (for EAN-13). "
"It currently has %d digits." % len(barcode_without_checksum)))
checksum = calc_check_digit(barcode_without_checksum)
barcode = barcode_without_checksum + str(checksum)
self.write({
'barcode': barcode,
'must_print_barcode': True,
})