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from odoo import api, fields, models
class Message(models.Model):
_inherit = 'mail.message'
snailmail_error = fields.Boolean("Snailmail message in error", compute="_compute_snailmail_error", search="_search_snailmail_error")
letter_ids = fields.One2many(comodel_name='snailmail.letter', inverse_name='message_id')
message_type = fields.Selection(selection_add=[
('snailmail', 'Snailmail')
], ondelete={'snailmail': lambda recs: recs.write({'message_type': 'email'})})
@api.depends('letter_ids', 'letter_ids.state')
def _compute_snailmail_error(self):
for message in self:
if message.message_type == 'snailmail' and message.letter_ids:
message.snailmail_error = message.letter_ids[0].state == 'error'
else:
message.snailmail_error = False
def _search_snailmail_error(self, operator, operand):
if operator == '=' and operand:
return ['&', ('letter_ids.state', '=', 'error'), ('letter_ids.user_id', '=', self.env.user.id)]
return ['!', '&', ('letter_ids.state', '=', 'error'), ('letter_ids.user_id', '=', self.env.user.id)]
def cancel_letter(self):
self.mapped('letter_ids').cancel()
def send_letter(self):
self.mapped('letter_ids')._snailmail_print()
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