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# Part of Odoo. See LICENSE file for full copyright and licensing details.
import pytz
import logging
from odoo import api, fields, models, _
from odoo.osv import expression
from .lunch_supplier import float_to_time
from datetime import datetime, timedelta
from textwrap import dedent
from odoo.addons.base.models.res_partner import _tz_get
_logger = logging.getLogger(__name__)
WEEKDAY_TO_NAME = ['mon', 'tue', 'wed', 'thu', 'fri', 'sat', 'sun']
CRON_DEPENDS = {'name', 'active', 'mode', 'until', 'notification_time', 'notification_moment', 'tz'}
class LunchAlert(models.Model):
""" Alerts to display during a lunch order. An alert can be specific to a
given day, weekly or daily. The alert is displayed from start to end hour. """
_name = 'lunch.alert'
_description = 'Lunch Alert'
_order = 'write_date desc, id'
name = fields.Char('Alert Name', required=True, translate=True)
message = fields.Html('Message', required=True, translate=True)
mode = fields.Selection([
('alert', 'Alert in app'),
('chat', 'Chat notification')], string='Display', default='alert')
recipients = fields.Selection([
('everyone', 'Everyone'),
('last_week', 'Employee who ordered last week'),
('last_month', 'Employee who ordered last month'),
('last_year', 'Employee who ordered last year')], string='Recipients', default='everyone')
notification_time = fields.Float(default=10.0, string='Notification Time')
notification_moment = fields.Selection([
('am', 'AM'),
('pm', 'PM')], default='am', required=True)
tz = fields.Selection(_tz_get, string='Timezone', required=True, default=lambda self: self.env.user.tz or 'UTC')
cron_id = fields.Many2one('ir.cron', ondelete='cascade', required=True, readonly=True)
until = fields.Date('Show Until')
mon = fields.Boolean(default=True)
tue = fields.Boolean(default=True)
wed = fields.Boolean(default=True)
thu = fields.Boolean(default=True)
fri = fields.Boolean(default=True)
sat = fields.Boolean(default=True)
sun = fields.Boolean(default=True)
available_today = fields.Boolean('Is Displayed Today',
compute='_compute_available_today', search='_search_available_today')
active = fields.Boolean('Active', default=True)
location_ids = fields.Many2many('lunch.location', string='Location')
_sql_constraints = [
('notification_time_range',
'CHECK(notification_time >= 0 and notification_time <= 12)',
'Notification time must be between 0 and 12')
]
@api.depends('mon', 'tue', 'wed', 'thu', 'fri', 'sat', 'sun')
def _compute_available_today(self):
today = fields.Date.context_today(self)
fieldname = WEEKDAY_TO_NAME[today.weekday()]
for alert in self:
alert.available_today = alert.until > today if alert.until else True and alert[fieldname]
def _search_available_today(self, operator, value):
if (not operator in ['=', '!=']) or (not value in [True, False]):
return []
searching_for_true = (operator == '=' and value) or (operator == '!=' and not value)
today = fields.Date.context_today(self)
fieldname = WEEKDAY_TO_NAME[today.weekday()]
return expression.AND([
[(fieldname, operator, value)],
expression.OR([
[('until', '=', False)],
[('until', '>' if searching_for_true else '<', today)],
])
])
def _sync_cron(self):
""" Synchronise the related cron fields to reflect this alert """
for alert in self:
alert = alert.with_context(tz=alert.tz)
cron_required = (
alert.active
and alert.mode == 'chat'
and (not alert.until or fields.Date.context_today(alert) <= alert.until)
)
sendat_tz = pytz.timezone(alert.tz).localize(datetime.combine(
fields.Date.context_today(alert, fields.Datetime.now()),
float_to_time(alert.notification_time, alert.notification_moment)))
cron = alert.cron_id.sudo()
lc = cron.lastcall
if ((
lc and sendat_tz.date() <= fields.Datetime.context_timestamp(alert, lc).date()
) or (
not lc and sendat_tz <= fields.Datetime.context_timestamp(alert, fields.Datetime.now())
)):
sendat_tz += timedelta(days=1)
sendat_utc = sendat_tz.astimezone(pytz.UTC).replace(tzinfo=None)
cron.name = f"Lunch: alert chat notification ({alert.name})"
cron.active = cron_required
cron.nextcall = sendat_utc
cron.code = dedent(f"""\
# This cron is dynamically controlled by {self._description}.
# Do NOT modify this cron, modify the related record instead.
env['{self._name}'].browse([{alert.id}])._notify_chat()""")
@api.model_create_multi
def create(self, vals_list):
crons = self.env['ir.cron'].sudo().create([
{
'user_id': self.env.ref('base.user_root').id,
'active': False,
'interval_type': 'days',
'interval_number': 1,
'name': "Lunch: alert chat notification",
'model_id': self.env['ir.model']._get_id(self._name),
'state': 'code',
'code': "",
}
for _ in range(len(vals_list))
])
self.env['ir.model.data'].sudo().create([{
'name': f'lunch_alert_cron_sa_{cron.ir_actions_server_id.id}',
'module': 'lunch',
'res_id': cron.ir_actions_server_id.id,
'model': 'ir.actions.server',
# noupdate is set to true to avoid to delete record at module update
'noupdate': True,
} for cron in crons])
for vals, cron in zip(vals_list, crons):
vals['cron_id'] = cron.id
alerts = super().create(vals_list)
alerts._sync_cron()
return alerts
def write(self, values):
res = super().write(values)
if not CRON_DEPENDS.isdisjoint(values):
self._sync_cron()
return res
def unlink(self):
crons = self.cron_id.sudo()
server_actions = crons.ir_actions_server_id
res = super().unlink()
crons.unlink()
server_actions.unlink()
return res
def _notify_chat(self):
# Called daily by cron
self.ensure_one()
if not self.available_today:
_logger.warning("cancelled, not available today")
if self.cron_id and self.until and fields.Date.context_today(self) > self.until:
self.cron_id.unlink()
self.cron_id = False
return
if not self.active or self.mode != 'chat':
raise ValueError("Cannot send a chat notification in the current state")
order_domain = [('state', '!=', 'cancelled')]
if self.location_ids.ids:
order_domain = expression.AND([order_domain, [('user_id.last_lunch_location_id', 'in', self.location_ids.ids)]])
if self.recipients != 'everyone':
weeksago = fields.Date.today() - timedelta(weeks=(
1 if self.recipients == 'last_week' else
4 if self.recipients == 'last_month' else
52 # if self.recipients == 'last_year'
))
order_domain = expression.AND([order_domain, [('date', '>=', weeksago)]])
partners = self.env['lunch.order'].search(order_domain).user_id.partner_id
if partners:
self.env['mail.thread'].message_notify(
model=self._name,
res_id=self.id,
body=self.message,
partner_ids=partners.ids,
subject=_('Your Lunch Order'),
)
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