# -*- coding: utf-8 -*- # Part of Odoo. See LICENSE file for full copyright and licensing details. from odoo import api, models from odoo.osv import expression class MailTemplate(models.Model): _inherit = 'mail.template' @api.model def _name_search(self, name, args=None, operator='ilike', limit=100, name_get_uid=None): """Context-based hack to filter reference field in a m2o search box to emulate a domain the ORM currently does not support. As we can not specify a domain on a reference field, we added a context key `filter_template_on_event` on the template reference field. If this key is set, we add our domain in the `args` in the `_name_search` method to filtrate the mail templates. """ if self.env.context.get('filter_template_on_event'): args = expression.AND([[('model', '=', 'event.registration')], args]) return super(MailTemplate, self)._name_search(name, args, operator, limit, name_get_uid) def unlink(self): res = super().unlink() domain = ('template_ref', 'in', [f"{template._name},{template.id}" for template in self]) self.env['event.mail'].sudo().search([domain]).unlink() self.env['event.type.mail'].sudo().search([domain]).unlink() return res