[ADD] create dav_calendar_sync addon

creates new addon dav_calendar_sync to synchronize caldav events on Odoo calendar

dav_account/models/dav_server.py

@@ -14,7 +14,7 @@ class DavServer(models.Model):
     status = fields.Char(compute='_compute_status', string='Status', store=True)
     
     @api.depends("url", "username", "password")
-    def _compute_status(self):
+    def compute_status(self):
         try:
             self.get_principal()
             self.write({"status": "OK"})

dav_account/views/dav_server.xml

@@ -19,6 +19,9 @@
         <field name="model">dav.server</field>
         <field name="arch" type="xml">
             <form string="Dav Server">
+                <header>
+                    <button string="Test connection" name="compute_status" type="object" class="oe_highlight" />
+                </header>
                 <sheet>
                     <group>
                         <field name="name" />

dav_calendar_sync/README.rst

@@ -0,0 +1,7 @@
+=====================
+dav_calendar_sync
+=====================
+
+This module adds dav calendar synchronization
+
+This is an Odoo addon.

dav_calendar_sync/__init__.py

@@ -0,0 +1,5 @@
+# -*- coding: utf-8 -*-
+
+from . import models
+# from . import controllers
+# from . import wizard

dav_calendar_sync/__manifest__.py

@@ -0,0 +1,91 @@
+# Copyright 2022 Stéphan Sainléger (Elabore)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+{
+    "name": "dav_calendar_sync",
+    "version": "14.0",
+    "author": "Elabore",
+    "website": "https://elabore.coop",
+    "maintainer": "Stéphan Sainléger",
+    "license": "AGPL-3",
+    "category": "Tools",
+    "summary": "This module adds dav calendar synchronization",
+    "description": """
+   :image: https://img.shields.io/badge/licence-AGPL--3-blue.svg
+   :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
+   :alt: License: AGPL-3
+===============
+dav_calendar_sync
+===============
+
+This module adds dav calendar synchronization
+
+Installation
+============
+
+Use Odoo normal module installation procedure to install
+``dav_calendar_sync``.
+
+Known issues / Roadmap
+======================
+
+None yet.
+Bug Tracker
+===========
+
+Bugs are tracked on `our issues website <https://github.com/elabore-coop/dav-tools/issues>`_. In case of
+trouble, please check there if your issue has already been
+reported. If you spotted it first, help us smashing it by providing a
+detailed and welcomed feedback.
+
+Credits
+=======
+
+Contributors
+------------
+
+* Stéphan Sainléger
+
+Funders
+-------
+
+The development of this module has been financially supported by:
+* Elabore (https://elabore.coop)
+
+
+Maintainer
+----------
+
+This module is maintained by Elabore.
+
+""",
+    # any module necessary for this one to work correctly
+    "depends": [
+        "base",
+        "calendar",
+    ],
+    "qweb": [
+        # "static/src/xml/*.xml",
+    ],
+    "external_dependencies": {
+        "python": [],
+    },
+    # always loaded
+    "data": [
+        # "security/security.xml",
+        "security/ir.model.access.csv",
+        "views/dav_server.xml",
+        "views/dav_calendar.xml",
+        # "views/menu.xml",
+        # "data/data.xml",
+    ],
+    # only loaded in demonstration mode
+    "demo": [],
+    "js": [],
+    "css": [],
+    "installable": True,
+    # Install this module automatically if all dependency have been previously
+    # and independently installed.  Used for synergetic or glue modules.
+    "auto_install": False,
+    "application": False,
+}

dav_calendar_sync/controllers/__init__.py

@@ -0,0 +1 @@
+# -*- coding: utf-8 -*-

dav_calendar_sync/i18n/README

@@ -0,0 +1 @@
+This directory should contain the *.po for Odoo translation.

dav_calendar_sync/models/__init__.py

@@ -0,0 +1,4 @@
+from . import dav_server
+from . import dav_calendar
+from . import res_users
+from . import calendar_event

dav_calendar_sync/models/calendar_event.py

@@ -0,0 +1,8 @@
+from odoo import _, api, fields, models
+
+
+class Meeting(models.Model):
+    _inherit = 'calendar.event'
+
+    dav_calendar_id = fields.Many2one('dav.calendar', string='Dav Calendar')
+    dav_uid = fields.Char('Dav Uid', index=True)

dav_calendar_sync/models/dav_calendar.py

@@ -0,0 +1,83 @@
+import logging
+from odoo import fields, models
+
+_logger = logging.getLogger(__name__)
+
+class DavCalendar(models.Model):
+    _name = "dav.calendar"
+    _description = "Dav calendar"
+
+    name = fields.Char('name')
+    url = fields.Char('url')
+    dav_server_id = fields.Many2one('dav.server', string='Dav Server')
+
+    sync_token = fields.Char("Synchronization Token")
+
+    active_sync_event = fields.Boolean('active_sync_event')
+    active_sync_todo = fields.Boolean('active_sync_todo')
+
+    def _manage_timezones(self, ical_event):
+        start = ical_event.get("DTSTART").dt
+        end = ical_event.get("DTEND").dt
+        # Odoo only uses naive dates, timezone data must be removed
+        # TODO: removing timezone data is not enough, naive dates must match the user timezone
+        if hasattr(start, "tzinfo"):
+            start = start.replace(tzinfo=None)
+        if hasattr(end, "tzinfo"):
+            end = start.replace(tzinfo=None)
+        return start, end
+
+    def _existing_event(self,ical_event):
+        calendar_events = self.env["calendar.event"].search([("dav_uid", "=", str(ical_event.get("UID")))])
+        if len(calendar_events) > 0:
+            return True
+        else:
+            return False   
+        
+    def _create_calendar_event(self, ical_event):
+        start, end = self._manage_timezones(ical_event)
+        values = {
+            "name":str(ical_event.get("SUMMARY")),
+            "start": start,
+            "stop": end,
+            "dav_calendar_id": self.id,
+            "dav_uid" : str(ical_event.get("UID")),
+        }
+        self.env["calendar.event"].create(values)
+
+    def _update_calendar_event(self, ical_event):
+        calendar_event = self.env["calendar.event"].search([("dav_uid", "=", str(ical_event.get("UID")))])[0]
+        start, end = self._manage_timezones(ical_event)
+        values = {
+            "name":str(ical_event.get("SUMMARY")),
+            "start": start,
+            "stop": end,
+        }
+        calendar_event.write(values)
+
+    def _delete_calendar_event(self, ical_event):
+        calendar_event = self.env["calendar.event"].search([("dav_uid", "=", str(ical_event.get("UID")))])[0]
+        calendar_event.unlink()
+
+    def sync_dav_events(self):
+        calendar = self.dav_server_id.get_principal().calendar(self.name)
+        if self.sync_token:
+            dav_events = calendar.objects_by_sync_token(self.sync_token, True)
+        else:
+            dav_events = calendar.objects_by_sync_token(load_objects=True)
+        event_created = 0
+        for dav_event in dav_events:
+            try:
+                ical_event = dav_event.icalendar_instance.subcomponents[0]
+                if dav_event.data is None:
+                    self._delete_calendar_event(ical_event)
+                elif self._existing_event(ical_event):
+                    self._update_calendar_event(ical_event)
+                else:
+                    self._create_calendar_event(ical_event)
+                    event_created += 1
+            except Exception as e: 
+                _logger.exception("SYNC FAILURE on following event: %s", dav_event.data)
+                continue
+        self.sync_token = dav_events.sync_token
+        _logger.debug("NB EVENT CREATED: %s", event_created)

dav_calendar_sync/models/dav_server.py

@@ -0,0 +1,19 @@
+import caldav
+from odoo import _, api, fields, models
+
+
+class DavServer(models.Model):
+    _inherit = "dav.server"
+
+    dav_calendar_ids = fields.One2many('dav.calendar', 'dav_server_id', string='Dav Calendars')
+     
+    def compute_dav_calendar_ids(self):
+        calendars = self.get_principal().calendars()
+        for calendar in calendars:
+            values = {
+                "name": calendar.name,
+                "url": calendar.url,
+                "dav_server_id": self.id,
+            }
+            self.env["dav.calendar"].create(values)
+

dav_calendar_sync/models/res_users.py

@@ -0,0 +1,7 @@
+from odoo import _, api, fields, models
+
+class Users(models.Model):
+    _inherit="res.users"
+
+    calendar_event_ids = fields.Many2many('dav.calendar', 'dav_calendar_event_user_rel', string='Dav Calendars Events')
+    calendar_todo_ids = fields.Many2many('dav.calendar', 'dav_calendar_todo_user_rel', string='Dav Calendars Todo')

dav_calendar_sync/security/ir.model.access.csv

@@ -0,0 +1,2 @@
+id,name,model_id/id,group_id/id,perm_read,perm_write,perm_create,perm_unlink
+access_dav_calendar_user,access_dav_calendar_user,model_dav_calendar,,1,1,1,1

dav_calendar_sync/views/dav_calendar.xml

@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+    <record id="dav_calendar_view_tree" model="ir.ui.view">
+        <field name="name">dav.calendar.view.tree</field>
+        <field name="model">dav.calendar</field>
+        <field name="arch" type="xml">
+            <tree string="Dav Calendars">
+                <field name="name" readonly="1" />
+                <field name="url" readonly="1" />
+                <field name="dav_server_id" readonly="1" />
+            </tree>
+        </field>
+    </record>
+
+    <record id="dav_calendar_view_form" model="ir.ui.view">
+        <field name="name">dav.calendar.view.form</field>
+        <field name="model">dav.calendar</field>
+        <field name="arch" type="xml">
+            <form string="Dav Calendar">
+                <header>
+                    <button string="Sync Events" name="sync_dav_events" type="object" class="oe_highlight" />
+                </header>
+                <sheet>
+                    <group>
+                        <field name="name" readonly="1" />
+                        <field name="url" readonly="1" />
+                        <field name="dav_server_id" readonly="1" />
+                        <field name="sync_token" />
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <record id="act_dav_calendar_list" model="ir.actions.act_window">
+        <field name="name">Dav Calendars</field>
+        <field name="res_model">dav.calendar</field>
+        <field name="view_mode">tree,form</field>
+    </record>
+
+    <menuitem id="menu_dav_calendars" action="act_dav_calendar_list" parent="dav_account.menu_dav" sequence="2" name="Dav Calendars" />
+
+</odoo>

dav_calendar_sync/views/dav_server.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<odoo>
+    <record id="dav_server_view_form_inherit_calendar" model="ir.ui.view">
+        <field name="name">dav.server.view.form.inherit.calendar</field>
+        <field name="model">dav.server</field>
+        <field name="inherit_id" ref="dav_account.dav_server_view_form" />
+        <field name="arch" type="xml">
+            <header>
+                <button string="List Calendars" name="compute_dav_calendar_ids" type="object" class="oe_highlight" />
+            </header>
+        </field>
+    </record>
+</odoo>