[IMP] mail: small code linting in notification methods

This commit cleans code to separate recipients computation in mail
message from notification mechanism in partner. There is no functional
change. Some variables have been renamed notably to know that
some of the record sets are sudoed during computation.

3 files changed, 34 insertions, 33 deletions

diff --git a/addons/mail/models/mail_message.py b/addons/mail/models/mail_message.py
index bd4face91ce..23e77971004 100644
--- a/addons/mail/models/mail_message.py
+++ b/addons/mail/models/mail_message.py
@@ -761,18 +761,16 @@ class Message(models.Model):
 
     @api.multi
     def _notify(self, force_send=False, send_after_commit=True, user_signature=True):
-        """ Add the related record followers to the destination partner_ids if is not a private message.
-            Call mail_notification.notify to manage the email sending
-        """
+        """ Compute recipients to notify based on specified recipients and document
+        followers. Delegate notification to partners to send emails and bus notifications
+        and to channels to broadcast messages on channels """
         group_user = self.env.ref('base.group_user')
-        # have a sudoed copy to manipulate partners (public can go here with 
-        # website modules like forum / blog / ...
+        # have a sudoed copy to manipulate partners (public can go here with website modules like forum / blog / ... )
         self_sudo = self.sudo()
 
-        # TDE CHECK: add partners / channels as arguments to be able to notify a message with / without computation ??
-        self.ensure_one()  # tde: not sure, just for testinh, will see
-        partners = self.env['res.partner'] | self.partner_ids
-        channels = self.env['mail.channel'] | self.channel_ids
+        self.ensure_one()
+        partners_sudo = self.env['res.partner'].sudo() | self_sudo.partner_ids
+        channels_sudo = self.env['mail.channel'].sudo() | self_sudo.channel_ids
 
         # all followers of the mail.message document have to be added as partners and notified
         # and filter to employees only if the subtype is internal
@@ -783,28 +781,33 @@ class Message(models.Model):
             ]).filtered(lambda fol: self.subtype_id in fol.subtype_ids)
             if self_sudo.subtype_id.internal:
                 followers = followers.filtered(lambda fol: fol.channel_id or (fol.partner_id.user_ids and group_user in fol.partner_id.user_ids[0].mapped('groups_id')))
-            channels = self_sudo.channel_ids | followers.mapped('channel_id')
-            partners = self_sudo.partner_ids | followers.mapped('partner_id')
-        else:
-            channels = self_sudo.channel_ids
-            partners = self_sudo.partner_ids
+            channels_sudo |= followers.mapped('channel_id')
+            partners_sudo |= followers.mapped('partner_id')
 
         # remove author from notified partners
         if not self._context.get('mail_notify_author', False) and self_sudo.author_id:
-            partners = partners - self_sudo.author_id
+            partners_sudo = partners_sudo - self_sudo.author_id
 
         # update message, with maybe custom values
         message_values = {
-            'channel_ids': [(6, 0, channels.ids)],
-            'needaction_partner_ids': [(6, 0, partners.ids)]
+            'channel_ids': [(6, 0, channels_sudo.ids)],
+            'needaction_partner_ids': [(6, 0, partners_sudo.ids)]
         }
         if self.model and self.res_id and hasattr(self.env[self.model], 'message_get_message_notify_values'):
             message_values.update(self.env[self.model].browse(self.res_id).message_get_message_notify_values(self, message_values))
         self.write(message_values)
 
         # notify partners and channels
-        partners._notify(self, force_send=force_send, send_after_commit=send_after_commit, user_signature=user_signature)
-        channels._notify(self)
+        # those methods are called as SUPERUSER because portal users posting messages
+        # have no access to partner model. Maybe propagating a real uid could be necessary.
+        email_channels = channels_sudo.filtered(lambda channel: channel.email_send)
+        partners_sudo.search([
+            '|',
+            ('id', 'in', partners_sudo.ids),
+            ('channel_ids', 'in', email_channels.ids),
+            ('email', '!=', self_sudo.author_id and self_sudo.author_id.email or self_sudo.email_from),
+            ('notify_email', '!=', 'none')])._notify(self, force_send=force_send, send_after_commit=send_after_commit, user_signature=user_signature)
+        channels_sudo._notify(self)
 
         # Discard cache, because child / parent allow reading and therefore
         # change access rights.
diff --git a/addons/mail/models/res_partner.py b/addons/mail/models/res_partner.py
index ba927ac16ab..feaa3848a48 100644
--- a/addons/mail/models/res_partner.py
+++ b/addons/mail/models/res_partner.py
@@ -145,20 +145,6 @@ class Partner(models.Model):
 
     @api.multi
     def _notify(self, message, force_send=False, send_after_commit=True, user_signature=True):
-        # TDE TODO: model-dependant ? (like customer -> always email ?)
-        message_sudo = message.sudo()
-        email_channels = message.channel_ids.filtered(lambda channel: channel.email_send)
-        self.sudo().search([
-            '|',
-            ('id', 'in', self.ids),
-            ('channel_ids', 'in', email_channels.ids),
-            ('email', '!=', message_sudo.author_id and message_sudo.author_id.email or message.email_from),
-            ('notify_email', '!=', 'none')])._notify_by_email(message, force_send=force_send, send_after_commit=send_after_commit, user_signature=user_signature)
-        self._notify_by_chat(message)
-        return True
-
-    @api.multi
-    def _notify_by_email(self, message, force_send=False, send_after_commit=True, user_signature=True):
         """ Method to send email linked to notified messages. The recipients are
         the recordset on which this method is called.
 
diff --git a/addons/mail/tests/test_mail_features.py b/addons/mail/tests/test_mail_features.py
index 8f79c9a7a6b..a4309259ae0 100644
--- a/addons/mail/tests/test_mail_features.py
+++ b/addons/mail/tests/test_mail_features.py
@@ -183,6 +183,18 @@ class TestMessagePost(TestMail):
         self.assertEqual(new_msg.parent_id.id, parent_msg.id, 'message_post: flatten error')
         self.assertFalse(new_msg.partner_ids)
 
+    def test_post_portal(self):
+        self.test_pigs.message_subscribe((self.partner_1 | self.user_employee.partner_id).ids)
+        new_msg = self.test_pigs.sudo(self.user_portal).message_post(
+            body='<p>Test</p>', subject='Subject',
+            message_type='comment', subtype='mt_comment')
+        self.assertEqual(new_msg.sudo().needaction_partner_ids, (self.partner_1 | self.user_employee.partner_id))
+
+        self.assertEqual(
+            set(m['email_to'][0] for m in self._mails),
+            set(['%s <%s>' % (self.partner_1.name, self.partner_1.email),
+                 '%s <%s>' % (self.user_employee.name, self.user_employee.email)]))
+
     @mute_logger('odoo.addons.mail.models.mail_mail')
     def test_post_internal(self):
         self.test_pigs.message_subscribe_users([self.user_admin.id])