1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
# -*- coding: utf-8 -*-
import datetime
import time
from psycopg2 import OperationalError
from odoo import api, fields, models
from odoo import tools
from odoo.addons.bus.models.bus import TIMEOUT
from odoo.service.model import PG_CONCURRENCY_ERRORS_TO_RETRY
from odoo.tools.misc import DEFAULT_SERVER_DATETIME_FORMAT
DISCONNECTION_TIMER = TIMEOUT + 5
AWAY_TIMER = 1800 # 30 minutes
class BusPresence(models.Model):
""" User Presence
Its status is 'online', 'away' or 'offline'. This model should be a one2one, but is not
attached to res_users to avoid database concurrence errors. Since the 'update' method is executed
at each poll, if the user have multiple opened tabs, concurrence errors can happend, but are 'muted-logged'.
"""
_name = 'bus.presence'
_description = 'User Presence'
_log_access = False
_sql_constraints = [('bus_user_presence_unique', 'unique(user_id)', 'A user can only have one IM status.')]
user_id = fields.Many2one('res.users', 'Users', required=True, index=True, ondelete='cascade')
last_poll = fields.Datetime('Last Poll', default=lambda self: fields.Datetime.now())
last_presence = fields.Datetime('Last Presence', default=lambda self: fields.Datetime.now())
status = fields.Selection([('online', 'Online'), ('away', 'Away'), ('offline', 'Offline')], 'IM Status', default='offline')
@api.model
def update(self, inactivity_period):
""" Updates the last_poll and last_presence of the current user
:param inactivity_period: duration in milliseconds
"""
# This method is called in method _poll() and cursor is closed right
# after; see bus/controllers/main.py.
try:
self._update(inactivity_period)
# commit on success
self.env.cr.commit()
except OperationalError as e:
if e.pgcode in PG_CONCURRENCY_ERRORS_TO_RETRY:
# ignore concurrency error
return self.env.cr.rollback()
raise
@api.model
def _update(self, inactivity_period):
presence = self.search([('user_id', '=', self._uid)], limit=1)
# compute last_presence timestamp
last_presence = datetime.datetime.now() - datetime.timedelta(milliseconds=inactivity_period)
values = {
'last_poll': time.strftime(DEFAULT_SERVER_DATETIME_FORMAT),
}
# update the presence or a create a new one
if not presence: # create a new presence for the user
values['user_id'] = self._uid
values['last_presence'] = last_presence
self.create(values)
else: # update the last_presence if necessary, and write values
if presence.last_presence < last_presence:
values['last_presence'] = last_presence
# Hide transaction serialization errors, which can be ignored, the presence update is not essential
with tools.mute_logger('odoo.sql_db'):
presence.write(values)
presence.flush()
|
