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- # -*- 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 UtmMedium(models.Model):
- _inherit = 'utm.medium'
- @api.ondelete(at_uninstall=False)
- def _unlink_except_linked_mailings(self):
- """ Already handled by ondelete='restrict', but let's show a nice error message """
- linked_mailings = self.env['mailing.mailing'].sudo().search([
- ('medium_id', 'in', self.ids)
- ])
- if linked_mailings:
- raise UserError(_(
- "You cannot delete these UTM Mediums as they are linked to the following mailings in "
- "Mass Mailing:\n%(mailing_names)s",
- mailing_names=', '.join(['"%s"' % subject for subject in linked_mailings.mapped('subject')])))
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