[18.0][MIG] event_stage_cancelled: Migration to 18.0

event_stage_cancelled/README.rst

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+============================
+Event cancellation workflows
+============================
+
+.. 
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! This file is generated by oca-gen-addon-readme !!
+   !! changes will be overwritten.                   !!
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+.. |badge1| image:: https://img.shields.io/badge/maturity-Beta-yellow.png
+    :target: https://odoo-community.org/page/development-status
+    :alt: Beta
+.. |badge2| image:: https://img.shields.io/badge/licence-AGPL--3-blue.png
+    :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
+    :alt: License: AGPL-3
+.. |badge3| image:: https://img.shields.io/badge/github-OCA%2Fevent-lightgray.png?logo=github
+    :target: https://github.com/OCA/event/tree/18.0/event_stage_cancelled
+    :alt: OCA/event
+.. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
+    :target: https://translation.odoo-community.org/projects/event-18-0/event-18-0-event_stage_cancelled
+    :alt: Translate me on Weblate
+.. |badge5| image:: https://img.shields.io/badge/runboat-Try%20me-875A7B.png
+    :target: https://runboat.odoo-community.org/builds?repo=OCA/event&target_branch=18.0
+    :alt: Try me on Runboat
+
+|badge1| |badge2| |badge3| |badge4| |badge5|
+
+This module adds the posibility of flagging an event stage as cancelled
+so we can hook workflows onto it like cancelling registrations or
+scheduling special mail events.
+
+**Table of contents**
+
+.. contents::
+   :local:
+
+Use Cases / Context
+===================
+
+Up to v14, events had an state field instead of configurable stages. A
+lost feature with that change was the concept of a cancelled event and
+with it the logic associated to it: when we cancelled an event, its
+registrations were cancelled along with it.
+
+Configuration
+=============
+
+To set a stage as cancelled:
+
+- Go to *Events > Configuration > Event Stages* and choose the one you
+  want to be the cancelled one.
+
+To schedule a mail that triggers when the event is cancelled:
+
+- Go to *Events* and select an event.
+- Go to the *Communication* tab and add a new scheduler.
+- Choose to trigger it *After the event cancellation*.
+- Choose the other parameters like template or the interval.
+
+When the event is cancelled, the corresponding mail will be sent to the
+attendants who where confirmed at the moment of the cancellation.
+
+Usage
+=====
+
+When you want to cancel an event an its registration, just click on the
+*Cancel Event* button from the event itself.
+
+A confirmation dialog will show up and if you confirm it, the linked
+registrations will be cancelled as well.
+
+Known issues / Roadmap
+======================
+
+- If you just change the stage to the cancelled one, the registrations
+  won't be cancelled. This is avoided for the moment on purpose as a
+  confirmation dialog would require an special ``ir.actions.client``
+  implementation.
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues <https://github.com/OCA/event/issues>`_.
+In case of trouble, please check there if your issue has already been reported.
+If you spotted it first, help us to smash it by providing a detailed and welcomed
+`feedback <https://github.com/OCA/event/issues/new?body=module:%20event_stage_cancelled%0Aversion:%2018.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**>`_.
+
+Do not contact contributors directly about support or help with technical issues.
+
+Credits
+=======
+
+Authors
+-------
+
+* Tecnativa
+
+Contributors
+------------
+
+- `Tecnativa <https://tecnativa.com>`__
+
+  - David Vidal
+
+- `Heliconia Solutions Pvt. Ltd. <https://www.heliconia.io>`__
+
+  - Bhavesh Heliconia
+
+Maintainers
+-----------
+
+This module is maintained by the OCA.
+
+.. image:: https://odoo-community.org/logo.png
+   :alt: Odoo Community Association
+   :target: https://odoo-community.org
+
+OCA, or the Odoo Community Association, is a nonprofit organization whose
+mission is to support the collaborative development of Odoo features and
+promote its widespread use.
+
+This module is part of the `OCA/event <https://github.com/OCA/event/tree/18.0/event_stage_cancelled>`_ project on GitHub.
+
+You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.

event_stage_cancelled/__init__.py

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+from . import models

event_stage_cancelled/__manifest__.py

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+# Copyright 2024 Tecnativa - David Vidal
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
+{
+    "name": "Event cancellation workflows",
+    "version": "18.0.1.0.0",
+    "category": "Marketing",
+    "author": "Tecnativa, Odoo Community Association (OCA)",
+    "website": "https://github.com/OCA/event",
+    "license": "AGPL-3",
+    "depends": ["event"],
+    "data": [
+        "data/event_data.xml",
+        "data/mail_template_data.xml",
+        "views/event_stage_views.xml",
+        "views/event_event_views.xml",
+    ],
+}

event_stage_cancelled/data/event_data.xml

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+<?xml version="1.0" encoding="utf-8" ?>
+<odoo>
+    <record model="event.stage" id="event.event_stage_cancelled">
+        <field name="is_cancelled" eval="True" />
+    </record>
+</odoo>