[IMP] mail: add model for message reactions

Add the model in the freeze for next version, the interface is not fully ready
to merge yet but it will be added in https://github.com/odoo/odoo/pull/75630

Part of task-2361194

closes odoo/odoo#75911

Signed-off-by: Samuel Degueldre <sdegueldre@users.noreply.github.com>

addons/mail/__manifest__.py

@@ -41,6 +41,7 @@
         'views/discuss_public_templates.xml',
         'views/mail_alias_views.xml',
         'views/mail_guest_views.xml',
+        'views/mail_message_reaction_views.xml',
         'views/res_users_views.xml',
         'views/res_users_settings_views.xml',
         'views/mail_template_views.xml',

addons/mail/models/__init__.py

@@ -20,6 +20,7 @@ from . import mail_activity_type
 from . import mail_activity
 from . import mail_blacklist
 from . import mail_followers
+from . import mail_message_reaction
 from . import mail_message_subtype
 from . import mail_message
 from . import mail_mail

addons/mail/models/mail_message_reaction.py

@@ -0,0 +1,24 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo import models, fields
+
+
+class MailMessageReaction(models.Model):
+    _name = 'mail.message.reaction'
+    _description = 'Message Reaction'
+    _order = 'id desc'
+    _log_access = False
+
+    message_id = fields.Many2one(string="Message", comodel_name='mail.message', ondelete='cascade', required=True, readonly=True)
+    content = fields.Char(string="Content", required=True, readonly=True)
+    partner_id = fields.Many2one(string="Reacting Partner", comodel_name='res.partner', ondelete='cascade', readonly=True)
+    guest_id = fields.Many2one(string="Reacting Guest", comodel_name='mail.guest', ondelete='cascade', readonly=True)
+
+    def init(self):
+        self.env.cr.execute("CREATE UNIQUE INDEX IF NOT EXISTS mail_message_reaction_partner_unique ON %s (message_id, content, partner_id) WHERE partner_id IS NOT NULL" % self._table)
+        self.env.cr.execute("CREATE UNIQUE INDEX IF NOT EXISTS mail_message_reaction_guest_unique ON %s (message_id, content, guest_id) WHERE guest_id IS NOT NULL" % self._table)
+
+    _sql_constraints = [
+        ("partner_or_guest_exists", "CHECK((partner_id IS NOT NULL AND guest_id IS NULL) OR (partner_id IS NULL AND guest_id IS NOT NULL))", "A message reaction must be from a partner or from a guest."),
+    ]

addons/mail/security/ir.model.access.csv

@@ -22,6 +22,8 @@ access_mail_channel_rtc_session_system,mail.channel.rtc.session.system,model_mai
 access_mail_alias_all,mail.alias.all,model_mail_alias,,1,0,0,0
 access_mail_alias_user,mail.alias.user,model_mail_alias,base.group_user,1,0,0,0
 access_mail_alias_system,mail.alias.system,model_mail_alias,base.group_system,1,1,1,1
+access_mail_message_reaction_all,mail.message.reaction.all,model_mail_message_reaction,,0,0,0,0
+access_mail_message_reaction_system,mail.message.reaction.system,model_mail_message_reaction,base.group_system,1,1,1,1
 access_mail_message_subtype_all,mail.message.subtype.all,model_mail_message_subtype,,1,0,0,0
 access_mail_message_subtype_user,mail.message.subtype.user,model_mail_message_subtype,base.group_user,1,1,1,1
 access_mail_tracking_value_all,mail.tracking.value.all,model_mail_tracking_value,,0,0,0,0

addons/mail/views/mail_menus.xml

@@ -113,6 +113,11 @@
         action="action_ice_servers"
         parent="mail.mail_menu_technical"
         sequence="53"/>
+    <menuitem id="mail_message_reaction_menu"
+        name="Message Reactions"
+        action="mail_message_reaction_action"
+        parent="mail.mail_menu_technical"
+        sequence="54"/>
 
     <!--
         This menuitem will be activated by integrations modules (like github, twitter, ...). It

addons/mail/views/mail_message_reaction_views.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0"?>
+<odoo>
+
+    <record id="mail_message_reaction_view_tree" model="ir.ui.view">
+        <field name="name">mail.message.reaction.tree</field>
+        <field name="model">mail.message.reaction</field>
+        <field name="priority">10</field>
+        <field name="arch" type="xml">
+            <tree string="Reaction">
+                <field name="id"/>
+                <field name="message_id"/>
+                <field name="content"/>
+                <field name="partner_id"/>
+                <field name="guest_id"/>
+            </tree>
+        </field>
+    </record>
+
+    <record id="mail_message_reaction_action" model="ir.actions.act_window">
+        <field name="name">Message Reactions</field>
+        <field name="res_model">mail.message.reaction</field>
+        <field name="view_mode">tree,form</field>
+    </record>
+
+</odoo>