294 lines
14 KiB
Python
294 lines
14 KiB
Python
# -*- coding: utf-8 -*-
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# Part of Odoo, Flectra. See LICENSE file for full copyright and licensing details.
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import logging
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import re
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import unicodedata
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from flectra import _, api, fields, models
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from flectra.exceptions import ValidationError
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from flectra.tools import ustr
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from flectra.tools.safe_eval import safe_eval
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_logger = logging.getLogger(__name__)
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# Inspired by http://stackoverflow.com/questions/517923
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def remove_accents(input_str):
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"""Suboptimal-but-better-than-nothing way to replace accented
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latin letters by an ASCII equivalent. Will obviously change the
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meaning of input_str and work only for some cases"""
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input_str = ustr(input_str)
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nkfd_form = unicodedata.normalize('NFKD', input_str)
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return u''.join([c for c in nkfd_form if not unicodedata.combining(c)])
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class Alias(models.Model):
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"""A Mail Alias is a mapping of an email address with a given Flectra Document
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model. It is used by Flectra's mail gateway when processing incoming emails
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sent to the system. If the recipient address (To) of the message matches
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a Mail Alias, the message will be either processed following the rules
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of that alias. If the message is a reply it will be attached to the
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existing discussion on the corresponding record, otherwise a new
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record of the corresponding model will be created.
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This is meant to be used in combination with a catch-all email configuration
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on the company's mail server, so that as soon as a new mail.alias is
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created, it becomes immediately usable and Flectra will accept email for it.
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"""
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_name = 'mail.alias'
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_description = "Email Aliases"
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_rec_name = 'alias_name'
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_order = 'alias_model_id, alias_name'
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alias_name = fields.Char('Alias Name', help="The name of the email alias, e.g. 'jobs' if you want to catch emails for <jobs@example.flectra.com>")
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alias_model_id = fields.Many2one('ir.model', 'Aliased Model', required=True, ondelete="cascade",
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help="The model (Flectra Document Kind) to which this alias "
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"corresponds. Any incoming email that does not reply to an "
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"existing record will cause the creation of a new record "
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"of this model (e.g. a Project Task)",
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# hack to only allow selecting mail_thread models (we might
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# (have a few false positives, though)
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domain="[('field_id.name', '=', 'message_ids')]")
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alias_user_id = fields.Many2one('res.users', 'Owner', defaults=lambda self: self.env.user,
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help="The owner of records created upon receiving emails on this alias. "
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"If this field is not set the system will attempt to find the right owner "
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"based on the sender (From) address, or will use the Administrator account "
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"if no system user is found for that address.")
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alias_defaults = fields.Text('Default Values', required=True, default='{}',
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help="A Python dictionary that will be evaluated to provide "
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"default values when creating new records for this alias.")
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alias_force_thread_id = fields.Integer(
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'Record Thread ID',
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help="Optional ID of a thread (record) to which all incoming messages will be attached, even "
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"if they did not reply to it. If set, this will disable the creation of new records completely.")
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alias_domain = fields.Char('Alias domain', compute='_get_alias_domain',
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default=lambda self: self.env["ir.config_parameter"].sudo().get_param("mail.catchall.domain"))
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alias_parent_model_id = fields.Many2one(
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'ir.model', 'Parent Model',
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help="Parent model holding the alias. The model holding the alias reference "
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"is not necessarily the model given by alias_model_id "
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"(example: project (parent_model) and task (model))")
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alias_parent_thread_id = fields.Integer('Parent Record Thread ID', help="ID of the parent record holding the alias (example: project holding the task creation alias)")
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alias_contact = fields.Selection([
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('everyone', 'Everyone'),
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('partners', 'Authenticated Partners'),
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('followers', 'Followers only')], default='everyone',
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string='Alias Contact Security', required=True,
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help="Policy to post a message on the document using the mailgateway.\n"
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"- everyone: everyone can post\n"
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"- partners: only authenticated partners\n"
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"- followers: only followers of the related document or members of following channels\n")
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_sql_constraints = [
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('alias_unique', 'UNIQUE(alias_name)', 'Unfortunately this email alias is already used, please choose a unique one')
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]
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@api.multi
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def _get_alias_domain(self):
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alias_domain = self.env["ir.config_parameter"].sudo().get_param("mail.catchall.domain")
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for record in self:
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record.alias_domain = alias_domain
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@api.one
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@api.constrains('alias_defaults')
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def _check_alias_defaults(self):
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try:
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dict(safe_eval(self.alias_defaults))
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except Exception:
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raise ValidationError(_('Invalid expression, it must be a literal python dictionary definition e.g. "{\'field\': \'value\'}"'))
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@api.model
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def create(self, vals):
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""" Creates an email.alias record according to the values provided in ``vals``,
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with 2 alterations: the ``alias_name`` value may be suffixed in order to
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make it unique (and certain unsafe characters replaced), and
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he ``alias_model_id`` value will set to the model ID of the ``model_name``
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context value, if provided.
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"""
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model_name = self._context.get('alias_model_name')
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parent_model_name = self._context.get('alias_parent_model_name')
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if vals.get('alias_name'):
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vals['alias_name'] = self._clean_and_make_unique(vals.get('alias_name'))
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if model_name:
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model = self.env['ir.model']._get(model_name)
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vals['alias_model_id'] = model.id
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if parent_model_name:
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model = self.env['ir.model']._get(parent_model_name)
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vals['alias_parent_model_id'] = model.id
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return super(Alias, self).create(vals)
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@api.multi
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def write(self, vals):
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""""give a unique alias name if given alias name is already assigned"""
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if vals.get('alias_name') and self.ids:
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vals['alias_name'] = self._clean_and_make_unique(vals.get('alias_name'), alias_ids=self.ids)
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return super(Alias, self).write(vals)
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@api.multi
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def name_get(self):
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"""Return the mail alias display alias_name, including the implicit
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mail catchall domain if exists from config otherwise "New Alias".
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e.g. `jobs@mail.flectra.com` or `jobs` or 'New Alias'
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"""
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res = []
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for record in self:
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if record.alias_name and record.alias_domain:
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res.append((record['id'], "%s@%s" % (record.alias_name, record.alias_domain)))
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elif record.alias_name:
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res.append((record['id'], "%s" % (record.alias_name)))
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else:
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res.append((record['id'], _("Inactive Alias")))
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return res
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@api.model
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def _find_unique(self, name, alias_ids=False):
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"""Find a unique alias name similar to ``name``. If ``name`` is
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already taken, make a variant by adding an integer suffix until
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an unused alias is found.
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"""
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sequence = None
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while True:
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new_name = "%s%s" % (name, sequence) if sequence is not None else name
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domain = [('alias_name', '=', new_name)]
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if alias_ids:
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domain += [('id', 'not in', alias_ids)]
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if not self.search(domain):
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break
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sequence = (sequence + 1) if sequence else 2
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return new_name
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@api.model
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def _clean_and_make_unique(self, name, alias_ids=False):
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# when an alias name appears to already be an email, we keep the local part only
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name = remove_accents(name).lower().split('@')[0]
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name = re.sub(r'[^\w+.]+', '-', name)
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return self._find_unique(name, alias_ids=alias_ids)
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@api.multi
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def open_document(self):
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if not self.alias_model_id or not self.alias_force_thread_id:
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return False
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return {
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'view_type': 'form',
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'view_mode': 'form',
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'res_model': self.alias_model_id.model,
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'res_id': self.alias_force_thread_id,
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'type': 'ir.actions.act_window',
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}
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@api.multi
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def open_parent_document(self):
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if not self.alias_parent_model_id or not self.alias_parent_thread_id:
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return False
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return {
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'view_type': 'form',
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'view_mode': 'form',
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'res_model': self.alias_parent_model_id.model,
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'res_id': self.alias_parent_thread_id,
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'type': 'ir.actions.act_window',
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}
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class AliasMixin(models.AbstractModel):
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""" A mixin for models that inherits mail.alias. This mixin initializes the
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alias_id column in database, and manages the expected one-to-one
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relation between your model and mail aliases.
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"""
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_name = 'mail.alias.mixin'
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_inherits = {'mail.alias': 'alias_id'}
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alias_id = fields.Many2one('mail.alias', string='Alias', ondelete="restrict", required=True)
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def get_alias_model_name(self, vals):
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""" Return the model name for the alias. Incoming emails that are not
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replies to existing records will cause the creation of a new record
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of this alias model. The value may depend on ``vals``, the dict of
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values passed to ``create`` when a record of this model is created.
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"""
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return None
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def get_alias_values(self):
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""" Return values to create an alias, or to write on the alias after its
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creation.
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"""
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return {'alias_parent_thread_id': self.id}
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@api.model
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def create(self, vals):
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""" Create a record with ``vals``, and create a corresponding alias. """
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record = super(AliasMixin, self.with_context(
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alias_model_name=self.get_alias_model_name(vals),
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alias_parent_model_name=self._name,
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)).create(vals)
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record.alias_id.sudo().write(record.get_alias_values())
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return record
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@api.multi
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def unlink(self):
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""" Delete the given records, and cascade-delete their corresponding alias. """
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aliases = self.mapped('alias_id')
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res = super(AliasMixin, self).unlink()
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aliases.unlink()
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return res
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@api.model_cr_context
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def _init_column(self, name):
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""" Create aliases for existing rows. """
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super(AliasMixin, self)._init_column(name)
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if name != 'alias_id':
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return
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# both self and the alias model must be present in 'ir.model'
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IM = self.env['ir.model']
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IM._reflect_model(self)
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IM._reflect_model(self.env[self.get_alias_model_name({})])
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alias_ctx = {
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'alias_model_name': self.get_alias_model_name({}),
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'alias_parent_model_name': self._name,
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}
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alias_model = self.env['mail.alias'].sudo().with_context(alias_ctx).browse([])
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child_ctx = {
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'active_test': False, # retrieve all records
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'prefetch_fields': False, # do not prefetch fields on records
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}
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child_model = self.sudo().with_context(child_ctx).browse([])
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for record in child_model.search([('alias_id', '=', False)]):
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# create the alias, and link it to the current record
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alias = alias_model.create(record.get_alias_values())
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record.with_context({'mail_notrack': True}).alias_id = alias
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_logger.info('Mail alias created for %s %s (id %s)',
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record._name, record.display_name, record.id)
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def _alias_check_contact(self, message, message_dict, alias):
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""" Main mixin method that inheriting models may inherit in order
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to implement a specifc behavior. """
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return self._alias_check_contact_on_record(self, message, message_dict, alias)
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def _alias_check_contact_on_record(self, record, message, message_dict, alias):
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""" Generic method that takes a record not necessarily inheriting from
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mail.alias.mixin. """
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author = self.env['res.partner'].browse(message_dict.get('author_id', False))
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if alias.alias_contact == 'followers':
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if not record.ids:
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return {
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'error_message': _('incorrectly configured alias (unknown reference record)'),
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}
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if not hasattr(record, "message_partner_ids") or not hasattr(record, "message_channel_ids"):
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return {
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'error_message': _('incorrectly configured alias'),
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}
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accepted_partner_ids = record.message_partner_ids | record.message_channel_ids.mapped('channel_partner_ids')
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if not author or author not in accepted_partner_ids:
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return {
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'error_message': _('restricted to followers'),
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}
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elif alias.alias_contact == 'partners' and not author:
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return {
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'error_message': _('restricted to known authors')
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}
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return True
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