[FIX] mail: add ability to mark failure notification as read

The mark as read button was not working for mail failure. More than that,
we wanted a functionnality to be able to massively mark mail failure as canceled,
especially to be able to clean databases from failure after migration.

Task: #1860054
PR: #25622

addons/mail/static/src/js/systray.js

@@ -207,6 +207,15 @@ var MessagingMenu = Widget.extend({
             var model = $(ev.currentTarget).data('model');
             var domain = [['model', '=', model], ['res_id', '=', resID]];
             this.call('chat_manager', 'markAllAsRead', channel, domain);
+        } else if (channelID === 'mail_failure') {
+            var unread_counter = $(ev.currentTarget).data('unread_counter');
+            var model = $(ev.currentTarget).data('model');
+            this.do_action('mail.mail_resend_cancel_action', {
+                additional_context: {
+                    default_model: model,
+                    unread_counter: unread_counter
+                }
+            });
         } else {
             this.call('chat_manager', 'markChannelAsSeen', channel);
         }

addons/mail/static/src/xml/discuss.xml

@@ -237,7 +237,7 @@
                     </t>
                     <t t-raw="channel.last_message_preview"/>
                 </div>
-                <span t-att-data-channel_id="channel.id" t-att-data-res_id="channel.res_id" t-att-data-model="channel.model" title="Mark as Read" class="o_discuss_icon  o_mail_channel_mark_read fa fa-check" t-if="channel.unread_counter"/>
+                <span t-att-data-channel_id="channel.id" t-att-data-res_id="channel.res_id" t-att-data-model="channel.model" t-att-data-unread_counter="channel.unread_counter" title="Mark as Read" class="o_discuss_icon  o_mail_channel_mark_read fa fa-check" t-if="channel.unread_counter"/>
             </div>
         </div>
     </t>

addons/mail/wizard/mail_resend_message.py

@@ -70,7 +70,6 @@ class MailResendMessage(models.TransientModel):
         return {'type': 'ir.actions.act_window_close'}
 
 
-
 class PartnerResend(models.TransientModel):
     _name = 'mail.resend.partner'
     _description = 'Partner with additionnal information for mail resend'
@@ -82,3 +81,37 @@ class PartnerResend(models.TransientModel):
     resend_wizard_id = fields.Many2one('mail.resend.message', string="Resend wizard")
     message = fields.Char(string="Help message")
 
+
+class MailCancelResend(models.TransientModel):
+    _name = 'mail.resend.cancel'
+    _description = 'Dismiss notification for resend by model'
+
+    model = fields.Char(string='Model')
+    help_message = fields.Char(string='Help message', compute='_compute_help_message')
+
+    @api.multi
+    @api.depends('model')
+    def _compute_help_message(self):
+        for wizard in self:
+            wizard.help_message = _("Are you sure you want to discard %s mail delivery failures. You won't be able to re-send these mails later!") % (wizard._context.get('unread_counter'))
+
+    @api.multi
+    def cancel_resend_action(self):
+        author_id = self.env.user.partner_id.id
+        for wizard in self:
+            self._cr.execute("""
+                                SELECT notif.id, mes.id
+                                FROM mail_message_res_partner_needaction_rel notif
+                                JOIN mail_message mes
+                                    ON notif.mail_message_id = mes.id
+                                WHERE notif.email_status IN ('bounce', 'exception')
+                                    AND mes.model = %s
+                                    AND mes.author_id = %s
+                            """, (wizard.model, author_id))
+            res = self._cr.fetchall()
+            notif_ids = [row[0] for row in res]
+            messages_ids = list(set([row[1] for row in res]))
+            if notif_ids:
+                self.env["mail.notification"].browse(notif_ids).sudo().write({'email_status': 'canceled'})
+                self.env["mail.message"].browse(messages_ids)._notify_failure_update()
+        return {'type': 'ir.actions.act_window_close'}

addons/mail/wizard/mail_resend_message_views.xml

@@ -29,6 +29,23 @@
                 </form>
             </field>
         </record>
+        <record id="mail_resend_cancel_view_form" model="ir.ui.view">
+            <field name="name">mail.resend.cancel.form</field>
+            <field name="model">mail.resend.cancel</field>
+            <field name="groups_id" eval="[(4,ref('base.group_user'))]"/>
+            <field name="arch" type="xml">
+                <form string="Cancel notification in failure">
+                    <field name="model" invisible='1'/>
+                    <field name="help_message"/>
+                    <p>If you want to re-send them, click Cancel now, then click on the notification and review them one by one by clicking on the red envelope next to each message.</p>
+                    <img src="/mail/static/img/red_envelope.png"/>
+                    <footer>  
+                        <button string="Discard delivery failures" name="cancel_resend_action" type="object" class="btn-primary" />
+                        <button string="Cancel" class="btn-default" special="cancel" />
+                    </footer>
+                </form>
+            </field>
+        </record>
         <record id="mail_resend_message_action" model="ir.actions.act_window">
             <field name="name">Resend mail</field>
             <field name="res_model">mail.resend.message</field>
@@ -37,6 +54,14 @@
             <field name="view_mode">form</field>
             <field name="target">new</field>
         </record>
+        <record id="mail_resend_cancel_action" model="ir.actions.act_window">
+            <field name="name">Discard mail delivery failures</field>
+            <field name="res_model">mail.resend.cancel</field>
+            <field name="type">ir.actions.act_window</field>
+            <field name="view_type">form</field>
+            <field name="view_mode">form</field>
+            <field name="target">new</field>
+        </record>
 
     </data>
 </odoo>