google_calendar/utils/google_calendar.py

140 lines
6.1 KiB
Python

# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.
from uuid import uuid4
import requests
import json
import logging
from odoo import fields
from odoo.addons.google_calendar.utils.google_event import GoogleEvent
from odoo.addons.google_account.models.google_service import TIMEOUT
_logger = logging.getLogger(__name__)
def requires_auth_token(func):
def wrapped(self, *args, **kwargs):
if not kwargs.get('token'):
raise AttributeError("An authentication token is required")
return func(self, *args, **kwargs)
return wrapped
class InvalidSyncToken(Exception):
pass
class GoogleCalendarService():
def __init__(self, google_service):
self.google_service = google_service
@requires_auth_token
def get_events(self, sync_token=None, token=None, event_id=None, timeout=TIMEOUT):
url = "/calendar/v3/calendars/primary/events"
if event_id:
url += f"/{event_id}"
headers = {'Content-type': 'application/json'}
params = {'access_token': token}
if sync_token:
params['syncToken'] = sync_token
else:
# full sync, limit to a range of 1y in past to 1y in the futur by default
ICP = self.google_service.env['ir.config_parameter'].sudo()
day_range = int(ICP.get_param('google_calendar.sync.range_days', default=365))
_logger.info("Full cal sync, restricting to %s days range", day_range)
lower_bound = fields.Datetime.subtract(fields.Datetime.now(), days=day_range)
upper_bound = fields.Datetime.add(fields.Datetime.now(), days=day_range)
params['timeMin'] = lower_bound.isoformat() + 'Z' # Z = UTC (RFC3339)
params['timeMax'] = upper_bound.isoformat() + 'Z' # Z = UTC (RFC3339)
try:
status, data, time = self.google_service._do_request(url, params, headers, method='GET', timeout=timeout)
except requests.HTTPError as e:
if e.response.status_code == 410 and 'fullSyncRequired' in str(e.response.content):
raise InvalidSyncToken("Invalid sync token. Full sync required")
raise e
if event_id:
next_sync_token = None
default_reminders = ()
return GoogleEvent([data]), next_sync_token, default_reminders
events = data.get('items', [])
next_page_token = data.get('nextPageToken')
while next_page_token:
params = {'access_token': token, 'pageToken': next_page_token}
status, data, time = self.google_service._do_request(url, params, headers, method='GET', timeout=timeout)
next_page_token = data.get('nextPageToken')
events += data.get('items', [])
next_sync_token = data.get('nextSyncToken')
default_reminders = data.get('defaultReminders')
return GoogleEvent(events), next_sync_token, default_reminders
@requires_auth_token
def insert(self, values, token=None, timeout=TIMEOUT):
send_updates = self.google_service._context.get('send_updates', True)
url = "/calendar/v3/calendars/primary/events?conferenceDataVersion=1&sendUpdates=%s" % ("all" if send_updates else "none")
headers = {'Content-type': 'application/json', 'Authorization': 'Bearer %s' % token}
if not values.get('id'):
values['id'] = uuid4().hex
self.google_service._do_request(url, json.dumps(values), headers, method='POST', timeout=timeout)
return values['id']
@requires_auth_token
def patch(self, event_id, values, token=None, timeout=TIMEOUT):
url = "/calendar/v3/calendars/primary/events/%s?sendUpdates=all" % event_id
headers = {'Content-type': 'application/json', 'Authorization': 'Bearer %s' % token}
self.google_service._do_request(url, json.dumps(values), headers, method='PATCH', timeout=timeout)
@requires_auth_token
def delete(self, event_id, token=None, timeout=TIMEOUT):
url = "/calendar/v3/calendars/primary/events/%s?sendUpdates=all" % event_id
headers = {'Content-type': 'application/json'}
params = {'access_token': token}
# Delete all events from recurrence in a single request to Google and triggering a single mail.
# The 'singleEvents' parameter is a trick that tells Google API to delete all recurrent events individually,
# making the deletion be handled entirely on their side, and then we archive the events in Odoo.
is_recurrence = self.google_service._context.get('is_recurrence', True)
if is_recurrence:
params['singleEvents'] = 'true'
try:
self.google_service._do_request(url, params, headers=headers, method='DELETE', timeout=timeout)
except requests.HTTPError as e:
# For some unknown reason Google can also return a 403 response when the event is already cancelled.
if e.response.status_code not in (410, 403):
raise e
_logger.info("Google event %s was already deleted" % event_id)
#################################
## MANAGE CONNEXION TO GMAIL ##
#################################
def is_authorized(self, user):
return bool(user.sudo().google_calendar_rtoken)
def _get_calendar_scope(self, RO=False):
readonly = '.readonly' if RO else ''
return 'https://www.googleapis.com/auth/calendar%s' % (readonly)
def _google_authentication_url(self, from_url='http://www.odoo.com'):
state = {
'd': self.google_service.env.cr.dbname,
's': 'calendar',
'f': from_url
}
base_url = self.google_service._context.get('base_url') or self.google_service.get_base_url()
return self.google_service._get_authorize_uri(
'calendar',
self._get_calendar_scope(),
base_url + '/google_account/authentication',
state=json.dumps(state),
approval_prompt='force',
access_type='offline'
)
def _can_authorize_google(self, user):
return user.has_group('base.group_erp_manager')