Thibault Delavallée
01ab75f597
Notification emails have been redesigned. They notably include buttons allowing to perform some action directly from the email. The notification creation and sending has been partially rewritten and improved. The purpose is to lessen the number of rendering to perform when sending emails to recipients. Recipients are first categorized into groups. Basic groups are partners and users. The notification template is then rendered twice, one for followers and one for not-followers. In most cases there will be few rendering to perform. Through inheritance it is possible to further categorize users. For example HR users / officers that have approve / refuse buttons in their email. A custom data structure is used to store data about buttons and actions. URLs, follow / unfollow are added in the structure and used in the template to render the email for a given group. New routes are added in mail. Those allow to perform some action, like going to a form in create mode, following / unfollowing, executing a method, sending a signal for a workflow. Those routes are for users only and rely on classic access rights. A generic route for viewing records is added. It replaces the old redirect action. According to some specific action given by the already-existing get_access_action, the record will be visible for everybody (forum, blog) or restricted (going on the Inbox / login / form view, according to access rights). The next commit will add the various inherits necessary to add the actions in the main addons.
304 lines
14 KiB
Python
304 lines
14 KiB
Python
# -*- coding: utf-8 -*-
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import base64
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import logging
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from email.utils import formataddr
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from urlparse import urljoin
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from openerp import _, api, fields, models
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from openerp import tools
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from openerp.addons.base.ir.ir_mail_server import MailDeliveryException
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from openerp.tools.safe_eval import safe_eval as eval
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_logger = logging.getLogger(__name__)
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class MailMail(models.Model):
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""" Model holding RFC2822 email messages to send. This model also provides
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facilities to queue and send new email messages. """
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_name = 'mail.mail'
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_description = 'Outgoing Mails'
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_inherits = {'mail.message': 'mail_message_id'}
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_order = 'id desc'
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_rec_name = 'subject'
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# content
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mail_message_id = fields.Many2one('mail.message', 'Message', required=True, ondelete='cascade', auto_join=True)
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body_html = fields.Text('Rich-text Contents', help="Rich-text/HTML message")
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references = fields.Text('References', help='Message references, such as identifiers of previous messages', readonly=1)
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headers = fields.Text('Headers', copy=False)
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# Auto-detected based on create() - if 'mail_message_id' was passed then this mail is a notification
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# and during unlink() we will not cascade delete the parent and its attachments
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notification = fields.Boolean('Is Notification', help='Mail has been created to notify people of an existing mail.message')
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# recipients
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email_to = fields.Text('To', help='Message recipients (emails)')
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email_cc = fields.Char('Cc', help='Carbon copy message recipients')
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recipient_ids = fields.Many2many('res.partner', string='To (Partners)')
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# process
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state = fields.Selection([
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('outgoing', 'Outgoing'),
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('sent', 'Sent'),
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('received', 'Received'),
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('exception', 'Delivery Failed'),
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('cancel', 'Cancelled'),
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], 'Status', readonly=True, copy=False, default='outgoing')
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auto_delete = fields.Boolean(
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'Auto Delete',
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help="Permanently delete this email after sending it, to save space")
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failure_reason = fields.Text(
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'Failure Reason', readonly=1,
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help="Failure reason. This is usually the exception thrown by the email server, stored to ease the debugging of mailing issues.")
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@api.model
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def create(self, values):
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# notification field: if not set, set if mail comes from an existing mail.message
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if 'notification' not in values and values.get('mail_message_id'):
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values['notification'] = True
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return super(MailMail, self).create(values)
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@api.multi
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def unlink(self):
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# cascade-delete the parent message for all mails that are not created for a notification
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to_cascade = self.search([('notification', '=', False), ('id', 'in', self.ids)]).mapped('mail_message_id')
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res = super(MailMail, self).unlink()
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to_cascade.unlink()
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return res
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@api.model
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def default_get(self, fields):
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# protection for `default_type` values leaking from menu action context (e.g. for invoices)
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# To remove when automatic context propagation is removed in web client
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if self._context.get('default_type') not in self._all_columns['message_type'].column.selection:
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self = self.with_context(dict(self._context, default_type=None))
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return super(MailMail, self).default_get(fields)
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@api.multi
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def mark_outgoing(self):
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return self.write({'state': 'outgoing'})
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@api.multi
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def cancel(self):
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return self.write({'state': 'cancel'})
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@api.model
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def process_email_queue(self, ids=None):
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"""Send immediately queued messages, committing after each
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message is sent - this is not transactional and should
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not be called during another transaction!
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:param list ids: optional list of emails ids to send. If passed
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no search is performed, and these ids are used
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instead.
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:param dict context: if a 'filters' key is present in context,
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this value will be used as an additional
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filter to further restrict the outgoing
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messages to send (by default all 'outgoing'
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messages are sent).
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"""
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if not self.ids:
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filters = [('state', '=', 'outgoing')]
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if 'filters' in self._context:
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filters.extend(self._context['filters'])
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ids = self.search(filters).ids
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res = None
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try:
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# Force auto-commit - this is meant to be called by
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# the scheduler, and we can't allow rolling back the status
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# of previously sent emails!
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res = self.browse(ids).send(auto_commit=True)
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except Exception:
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_logger.exception("Failed processing mail queue")
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return res
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@api.cr_uid_context
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def _postprocess_sent_message(self, cr, uid, mail, context=None, mail_sent=True):
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return True
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@api.multi
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def _postprocess_sent_message_v9(self, mail_sent=True):
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"""Perform any post-processing necessary after sending ``mail``
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successfully, including deleting it completely along with its
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attachment if the ``auto_delete`` flag of the mail was set.
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Overridden by subclasses for extra post-processing behaviors.
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:param browse_record mail: the mail that was just sent
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:return: True
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"""
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# Compat mode until v9
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for mail in self:
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self._postprocess_sent_message(mail, mail_sent=mail_sent)
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if mail_sent:
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self.sudo().filtered(lambda self: self.auto_delete).unlink()
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return True
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# ------------------------------------------------------
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# mail_mail formatting, tools and send mechanism
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# ------------------------------------------------------
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@api.multi
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def send_get_mail_body(self, partner=None):
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"""Return a specific ir_email body. The main purpose of this method
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is to be inherited to add custom content depending on some module."""
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self.ensure_one()
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body = self.body_html or ''
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return body
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@api.multi
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def send_get_mail_to(self, partner=None):
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"""Forge the email_to with the following heuristic:
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- if 'partner', recipient specific (Partner Name <email>)
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- else fallback on mail.email_to splitting """
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self.ensure_one()
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if partner:
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email_to = [formataddr((partner.name, partner.email))]
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else:
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email_to = tools.email_split(self.email_to)
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return email_to
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@api.multi
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def send_get_email_dict(self, partner=None):
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"""Return a dictionary for specific email values, depending on a
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partner, or generic to the whole recipients given by mail.email_to.
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:param browse_record mail: mail.mail browse_record
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:param browse_record partner: specific recipient partner
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"""
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self.ensure_one()
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body = self.send_get_mail_body(partner=partner)
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body_alternative = tools.html2plaintext(body)
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res = {
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'body': body,
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'body_alternative': body_alternative,
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'email_to': self.send_get_mail_to(partner=partner),
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}
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return res
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@api.multi
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def send(self, auto_commit=False, raise_exception=False):
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""" Sends the selected emails immediately, ignoring their current
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state (mails that have already been sent should not be passed
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unless they should actually be re-sent).
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Emails successfully delivered are marked as 'sent', and those
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that fail to be deliver are marked as 'exception', and the
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corresponding error mail is output in the server logs.
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:param bool auto_commit: whether to force a commit of the mail status
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after sending each mail (meant only for scheduler processing);
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should never be True during normal transactions (default: False)
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:param bool raise_exception: whether to raise an exception if the
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email sending process has failed
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:return: True
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"""
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IrMailServer = self.env['ir.mail_server']
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for mail in self:
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try:
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# TDE note: remove me when model_id field is present on mail.message - done here to avoid doing it multiple times in the sub method
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if mail.model:
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model = self.env['ir.model'].sudo().search([('model', '=', mail.model)])[0]
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else:
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model = None
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if model:
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mail = mail.with_context(model_name=model.name)
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# load attachment binary data with a separate read(), as prefetching all
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# `datas` (binary field) could bloat the browse cache, triggerring
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# soft/hard mem limits with temporary data.
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attachments = [(a['datas_fname'], base64.b64decode(a['datas']))
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for a in mail.attachment_ids.sudo().read(['datas_fname', 'datas'])]
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# specific behavior to customize the send email for notified partners
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email_list = []
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if mail.email_to:
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email_list.append(mail.send_get_email_dict())
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for partner in mail.recipient_ids:
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email_list.append(mail.send_get_email_dict(partner=partner))
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# headers
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headers = {}
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bounce_alias = self.env['ir.config_parameter'].get_param("mail.bounce.alias")
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catchall_domain = self.env['ir.config_parameter'].get_param("mail.catchall.domain")
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if bounce_alias and catchall_domain:
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if mail.model and mail.res_id:
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headers['Return-Path'] = '%s-%d-%s-%d@%s' % (bounce_alias, mail.id, mail.model, mail.res_id, catchall_domain)
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else:
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headers['Return-Path'] = '%s-%d@%s' % (bounce_alias, mail.id, catchall_domain)
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if mail.headers:
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try:
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headers.update(eval(mail.headers))
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except Exception:
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pass
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# Writing on the mail object may fail (e.g. lock on user) which
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# would trigger a rollback *after* actually sending the email.
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# To avoid sending twice the same email, provoke the failure earlier
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mail.write({
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'state': 'exception',
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'failure_reason': _('Error without exception. Probably due do sending an email without computed recipients.'),
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})
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mail_sent = False
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# build an RFC2822 email.message.Message object and send it without queuing
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res = None
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for email in email_list:
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msg = IrMailServer.build_email(
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email_from=mail.email_from,
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email_to=email.get('email_to'),
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subject=mail.subject,
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body=email.get('body'),
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body_alternative=email.get('body_alternative'),
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email_cc=tools.email_split(mail.email_cc),
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reply_to=mail.reply_to,
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attachments=attachments,
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message_id=mail.message_id,
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references=mail.references,
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object_id=mail.res_id and ('%s-%s' % (mail.res_id, mail.model)),
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subtype='html',
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subtype_alternative='plain',
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headers=headers)
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try:
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res = IrMailServer.send_email(msg, mail_server_id=mail.mail_server_id.id)
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except AssertionError as error:
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if error.message == IrMailServer.NO_VALID_RECIPIENT:
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# No valid recipient found for this particular
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# mail item -> ignore error to avoid blocking
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# delivery to next recipients, if any. If this is
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# the only recipient, the mail will show as failed.
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_logger.info("Ignoring invalid recipients for mail.mail %s: %s",
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mail.message_id, email.get('email_to'))
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else:
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raise
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if res:
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mail.write({'state': 'sent', 'message_id': res, 'failure_reason': False})
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mail_sent = True
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# /!\ can't use mail.state here, as mail.refresh() will cause an error
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# see revid:odo@openerp.com-20120622152536-42b2s28lvdv3odyr in 6.1
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if mail_sent:
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_logger.info('Mail with ID %r and Message-Id %r successfully sent', mail.id, mail.message_id)
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mail._postprocess_sent_message_v9(mail_sent=mail_sent)
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except MemoryError:
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# prevent catching transient MemoryErrors, bubble up to notify user or abort cron job
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# instead of marking the mail as failed
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_logger.exception(
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'MemoryError while processing mail with ID %r and Msg-Id %r. Consider raising the --limit-memory-hard startup option',
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mail.id, mail.message_id)
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raise
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except Exception as e:
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failure_reason = tools.ustr(e)
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_logger.exception('failed sending mail (id: %s) due to %s', mail.id, failure_reason)
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mail.write({'state': 'exception', 'failure_reason': failure_reason})
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mail._postprocess_sent_message_v9(mail_sent=False)
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if raise_exception:
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if isinstance(e, AssertionError):
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# get the args of the original error, wrap into a value and throw a MailDeliveryException
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# that is an except_orm, with name and value as arguments
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value = '. '.join(e.args)
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raise MailDeliveryException(_("Mail Delivery Failed"), value)
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raise
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if auto_commit is True:
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self._cr.commit()
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return True
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