Initial commit: Core packages

odoo-bringout-oca-ocb-snailmail/snailmail/models/mail_thread.py

@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo import models
+from odoo import api
+
+
+class MailThread(models.AbstractModel):
+    _inherit = 'mail.thread'
+
+    def _notify_cancel_snail(self):
+        author_id = self.env.user.id
+        letters = self.env['snailmail.letter'].search([
+            ('state', 'not in', ['sent', 'canceled', 'pending']),
+            ('user_id', '=', author_id),
+            ('model', '=', self._name)
+        ])
+        letters.cancel()
+
+    @api.model
+    def notify_cancel_by_type(self, notification_type):
+        super().notify_cancel_by_type(notification_type)
+        if notification_type == 'snail':
+            self._notify_cancel_snail()
+        return True