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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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