[IMP] (mass_mailing_)event(_sms): adds send invitation button on event form

PURPOSE

Integrate the mass_mailing feature to event in order to send an
invitation to the event you organized.

Task ID : 2093336
PR : #43420

addons/event/models/event_event.py

@@ -220,7 +220,7 @@ class EventEvent(models.Model):
     @api.depends('date_end', 'seats_available', 'seats_availability', 'event_ticket_ids.sale_available')
     def _compute_event_registrations_open(self):
         for event in self:
-            event.event_registrations_open = (event.date_end > fields.Datetime.now()) and \
+            event.event_registrations_open = event.date_end and (event.date_end > fields.Datetime.now()) and \
                 (event.seats_available or event.seats_availability == 'unlimited') and \
                 (not event.event_ticket_ids or any(ticket.sale_available for ticket in event.event_ticket_ids))
 

addons/mass_mailing_event/models/event.py

@@ -1,22 +1,31 @@
 # -*- coding: utf-8 -*-
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
-from odoo import models
+from odoo import models, _
 
 
 class Event(models.Model):
     _inherit = "event.event"
 
     def action_mass_mailing_attendees(self):
-        mass_mailing_action = dict(
-            name='Mass Mail Attendees',
-            type='ir.actions.act_window',
-            res_model='mailing.mailing',
-            view_mode='form',
-            target='current',
-            context=dict(
-                default_mailing_model_id=self.env.ref('event.model_event_registration').id,
-                default_mailing_domain=repr([('event_id', 'in', self.ids)])
-            ),
-        )
-        return mass_mailing_action
+        return {
+            'name': 'Mass Mail Attendees',
+            'type': 'ir.actions.act_window',
+            'res_model': 'mailing.mailing',
+            'view_mode': 'form',
+            'target': 'current',
+            'context': {
+                'default_mailing_model_id': self.env.ref('event.model_event_registration').id,
+                'default_mailing_domain': repr([('event_id', 'in', self.ids)])
+            },
+        }
+
+    def action_invite_contacts(self):
+        return {
+            'name': 'Mass Mail Invitation',
+            'type': 'ir.actions.act_window',
+            'res_model': 'mailing.mailing',
+            'view_mode': 'form',
+            'target': 'current',
+            'context': {'default_mailing_model_id': self.env.ref('base.model_res_partner').id},
+        }

addons/mass_mailing_event/views/event_views.xml

@@ -3,10 +3,15 @@
     <record id="event_event_view_form_inherit_mass_mailing" model="ir.ui.view">
         <field name="name">event.event.view.form.inherit.mass.mailing</field>
         <field name="model">event.event</field>
-        <field name="priority" eval="15"/>
+        <field name="priority" eval="4"/>
         <field name="inherit_id" ref="event.view_event_form"/>
         <field name="arch" type="xml">
             <xpath expr="//field[@name='stage_id']" position="before">
+                <field name="event_registrations_open" invisible="1"/>
+                <button name="action_invite_contacts" type="object" string="Invite"
+                        class="btn btn-primary" attrs="{'invisible': [('event_registrations_open', '=', False)]}"/>
+                <button name="action_invite_contacts" type="object" string="Invite"
+                        class="btn btn-secondary" attrs="{'invisible': [('event_registrations_open', '=', True)]}"/>
                 <button name="action_mass_mailing_attendees" string="Contact Attendees" type="object" attrs="{'invisible': [('seats_expected', '=', 0)]}"/>
             </xpath>
         </field>

addons/mass_mailing_event_sms/models/event.py

@@ -12,3 +12,9 @@ class Event(models.Model):
         action = super(Event, self).action_mass_mailing_attendees()
         action['view_id'] = self.env.ref('mass_mailing_sms.mailing_mailing_view_form_mixed').id
         return action
+
+    def action_invite_contacts(self):
+        # Minimal override: set form view being the one mixing sms and mail (not prioritized one)
+        action = super(Event, self).action_invite_contacts()
+        action['view_id'] = self.env.ref('mass_mailing_sms.mailing_mailing_view_form_mixed').id
+        return action