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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.osv import expression
class MailTemplate(models.Model):
_inherit = 'mail.template'
@api.model
def _search_display_name(self, operator, value):
"""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 `domain` in the `_search_display_name`
method to filtrate the mail templates.
"""
domain = super()._search_display_name(operator, value)
if self.env.context.get('filter_template_on_event'):
domain = expression.AND([[('model', '=', 'event.registration')], domain])
return domain
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
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