# -*- 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 UtmSource(models.Model): _inherit = 'utm.source' @api.ondelete(at_uninstall=False) def _unlink_except_linked_activities(self): """ Already handled by ondelete='restrict', but let's show a nice error message """ linked_activities = self.env['marketing.activity'].sudo().search([ ('source_id', 'in', self.ids) ]) if linked_activities: raise UserError(_( "You cannot delete these UTM Sources as they are linked to the following marketing activities in " "Marketing Automation:\n%(activities_names)s", activities_names=', '.join(['"%s"' % name for name in linked_activities.mapped('name')])))