# -*- coding: utf-8 -*- # Part of Odoo. See LICENSE file for full copyright and licensing details. from odoo import _, api, models from odoo.exceptions import UserError class ProductTemplate(models.Model): _inherit = 'product.template' @api.ondelete(at_uninstall=False) def _unlink_except_loyalty_products(self): product_data = [ self.env.ref('loyalty.gift_card_product_50', False), self.env.ref('loyalty.ewallet_product_50', False), ] for product in self.filtered(lambda p: p.product_variant_id in product_data): raise UserError(_( "You cannot delete %(name)s as it is used in 'Coupons & Loyalty'." " Please archive it instead.", name=product.with_context(display_default_code=False).display_name ))