251 lines
12 KiB
Python
251 lines
12 KiB
Python
# -*- coding: utf-8 -*-
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# Part of Odoo. See LICENSE file for full copyright and licensing details.
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import logging
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from datetime import timedelta
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from odoo import api, fields, models
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_logger = logging.getLogger(__name__)
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class AlarmManager(models.AbstractModel):
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_name = 'calendar.alarm_manager'
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_description = 'Event Alarm Manager'
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def _get_next_potential_limit_alarm(self, alarm_type, seconds=None, partners=None):
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result = {}
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delta_request = """
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SELECT
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rel.calendar_event_id, max(alarm.duration_minutes) AS max_delta,min(alarm.duration_minutes) AS min_delta
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FROM
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calendar_alarm_calendar_event_rel AS rel
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LEFT JOIN calendar_alarm AS alarm ON alarm.id = rel.calendar_alarm_id
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WHERE alarm.alarm_type = %s
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GROUP BY rel.calendar_event_id
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"""
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base_request = """
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SELECT
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cal.id,
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cal.start - interval '1' minute * calcul_delta.max_delta AS first_alarm,
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CASE
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WHEN cal.recurrency THEN rrule.until - interval '1' minute * calcul_delta.min_delta
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ELSE cal.stop - interval '1' minute * calcul_delta.min_delta
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END as last_alarm,
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cal.start as first_event_date,
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CASE
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WHEN cal.recurrency THEN rrule.until
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ELSE cal.stop
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END as last_event_date,
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calcul_delta.min_delta,
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calcul_delta.max_delta,
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rrule.rrule AS rule
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FROM
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calendar_event AS cal
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RIGHT JOIN calcul_delta ON calcul_delta.calendar_event_id = cal.id
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LEFT JOIN calendar_recurrence as rrule ON rrule.id = cal.recurrence_id
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"""
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filter_user = """
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RIGHT JOIN calendar_event_res_partner_rel AS part_rel ON part_rel.calendar_event_id = cal.id
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AND part_rel.res_partner_id IN %s
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"""
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# Add filter on alarm type
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tuple_params = (alarm_type,)
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# Add filter on partner_id
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if partners:
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base_request += filter_user
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tuple_params += (tuple(partners.ids), )
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# Upper bound on first_alarm of requested events
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first_alarm_max_value = ""
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if seconds is None:
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# first alarm in the future + 3 minutes if there is one, now otherwise
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first_alarm_max_value = """
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COALESCE((SELECT MIN(cal.start - interval '1' minute * calcul_delta.max_delta)
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FROM calendar_event cal
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RIGHT JOIN calcul_delta ON calcul_delta.calendar_event_id = cal.id
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WHERE cal.start - interval '1' minute * calcul_delta.max_delta > now() at time zone 'utc'
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) + interval '3' minute, now() at time zone 'utc')"""
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else:
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# now + given seconds
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first_alarm_max_value = "(now() at time zone 'utc' + interval '%s' second )"
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tuple_params += (seconds,)
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self._cr.execute("""
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WITH calcul_delta AS (%s)
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SELECT *
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FROM ( %s WHERE cal.active = True ) AS ALL_EVENTS
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WHERE ALL_EVENTS.first_alarm < %s
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AND ALL_EVENTS.last_event_date > (now() at time zone 'utc')
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""" % (delta_request, base_request, first_alarm_max_value), tuple_params)
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for event_id, first_alarm, last_alarm, first_meeting, last_meeting, min_duration, max_duration, rule in self._cr.fetchall():
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result[event_id] = {
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'event_id': event_id,
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'first_alarm': first_alarm,
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'last_alarm': last_alarm,
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'first_meeting': first_meeting,
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'last_meeting': last_meeting,
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'min_duration': min_duration,
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'max_duration': max_duration,
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'rrule': rule
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}
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# determine accessible events
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events = self.env['calendar.event'].browse(result)
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result = {
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key: result[key]
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for key in set(events._filter_access_rules('read').ids)
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}
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return result
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def do_check_alarm_for_one_date(self, one_date, event, event_maxdelta, in_the_next_X_seconds, alarm_type, after=False, missing=False):
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""" Search for some alarms in the interval of time determined by some parameters (after, in_the_next_X_seconds, ...)
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:param one_date: date of the event to check (not the same that in the event browse if recurrent)
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:param event: Event browse record
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:param event_maxdelta: biggest duration from alarms for this event
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:param in_the_next_X_seconds: looking in the future (in seconds)
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:param after: if not False: will return alert if after this date (date as string - todo: change in master)
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:param missing: if not False: will return alert even if we are too late
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:param notif: Looking for type notification
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:param mail: looking for type email
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"""
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result = []
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# TODO: remove event_maxdelta and if using it
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if one_date - timedelta(minutes=(missing and 0 or event_maxdelta)) < fields.Datetime.now() + timedelta(seconds=in_the_next_X_seconds): # if an alarm is possible for this date
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for alarm in event.alarm_ids:
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if alarm.alarm_type == alarm_type and \
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one_date - timedelta(minutes=(missing and 0 or alarm.duration_minutes)) < fields.Datetime.now() + timedelta(seconds=in_the_next_X_seconds) and \
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(not after or one_date - timedelta(minutes=alarm.duration_minutes) > fields.Datetime.from_string(after)):
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alert = {
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'alarm_id': alarm.id,
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'event_id': event.id,
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'notify_at': one_date - timedelta(minutes=alarm.duration_minutes),
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}
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result.append(alert)
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return result
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@api.model
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def get_next_mail(self):
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return self._get_partner_next_mail(partners=None)
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@api.model
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def _get_partner_next_mail(self, partners=None):
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last_notif_mail = fields.Datetime.to_string(self.env.context.get('lastcall') or fields.Datetime.now())
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cron = self.env.ref('calendar.ir_cron_scheduler_alarm', raise_if_not_found=False)
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if not cron:
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_logger.error("Cron for " + self._name + " can not be identified !")
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return False
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interval_to_second = {
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"weeks": 7 * 24 * 60 * 60,
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"days": 24 * 60 * 60,
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"hours": 60 * 60,
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"minutes": 60,
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"seconds": 1
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}
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if cron.interval_type not in interval_to_second:
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_logger.error("Cron delay can not be computed !")
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return False
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cron_interval = cron.interval_number * interval_to_second[cron.interval_type]
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all_meetings = self._get_next_potential_limit_alarm('email', seconds=cron_interval, partners=partners)
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for meeting in self.env['calendar.event'].browse(all_meetings):
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max_delta = all_meetings[meeting.id]['max_duration']
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if meeting.recurrency and meeting.recurrence_id:
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at_least_one = False
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last_found = False
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for one_date in meeting.recurrence_id._get_occurrences(meeting.start):
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in_date_format = one_date.replace(tzinfo=None)
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last_found = self.do_check_alarm_for_one_date(in_date_format, meeting, max_delta, 0, 'email', after=last_notif_mail, missing=True)
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for alert in last_found:
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self.do_mail_reminder(alert)
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at_least_one = True # if it's the first alarm for this recurrent event
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if at_least_one and not last_found: # if the precedent event had an alarm but not this one, we can stop the search for this event
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break
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else:
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in_date_format = meeting.start
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last_found = self.do_check_alarm_for_one_date(in_date_format, meeting, max_delta, 0, 'email', after=last_notif_mail, missing=True)
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for alert in last_found:
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self.do_mail_reminder(alert)
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@api.model
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def get_next_notif(self):
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partner = self.env.user.partner_id
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all_notif = []
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if not partner:
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return []
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all_meetings = self._get_next_potential_limit_alarm('notification', partners=partner)
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time_limit = 3600 * 24 # return alarms of the next 24 hours
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for event_id in all_meetings:
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max_delta = all_meetings[event_id]['max_duration']
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meeting = self.env['calendar.event'].browse(event_id)
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if meeting.recurrency and meeting.recurrence_id:
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b_found = False
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last_found = False
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for one_date in meeting.recurrence_id._get_occurrences(meeting.start):
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in_date_format = one_date.replace(tzinfo=None)
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last_found = self.do_check_alarm_for_one_date(in_date_format, meeting, max_delta, time_limit, 'notification', after=partner.calendar_last_notif_ack)
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if last_found:
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for alert in last_found:
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all_notif.append(self.do_notif_reminder(alert))
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if not b_found: # if it's the first alarm for this recurrent event
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b_found = True
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if b_found and not last_found: # if the precedent event had alarm but not this one, we can stop the search fot this event
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break
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else:
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in_date_format = fields.Datetime.from_string(meeting.start)
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last_found = self.do_check_alarm_for_one_date(in_date_format, meeting, max_delta, time_limit, 'notification', after=partner.calendar_last_notif_ack)
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if last_found:
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for alert in last_found:
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all_notif.append(self.do_notif_reminder(alert))
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return all_notif
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def do_mail_reminder(self, alert):
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meeting = self.env['calendar.event'].browse(alert['event_id'])
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alarm = self.env['calendar.alarm'].browse(alert['alarm_id'])
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result = False
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if alarm.alarm_type == 'email':
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result = meeting.attendee_ids.filtered(lambda r: r.state != 'declined')._send_mail_to_attendees('calendar.calendar_template_meeting_reminder', force_send=True, ignore_recurrence=True)
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return result
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def do_notif_reminder(self, alert):
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alarm = self.env['calendar.alarm'].browse(alert['alarm_id'])
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meeting = self.env['calendar.event'].browse(alert['event_id'])
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if alarm.alarm_type == 'notification':
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message = meeting.display_time
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delta = alert['notify_at'] - fields.Datetime.now()
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delta = delta.seconds + delta.days * 3600 * 24
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return {
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'alarm_id': alarm.id,
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'event_id': meeting.id,
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'title': meeting.name,
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'message': message,
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'timer': delta,
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'notify_at': fields.Datetime.to_string(alert['notify_at']),
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}
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def _notify_next_alarm(self, partner_ids):
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""" Sends through the bus the next alarm of given partners """
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notifications = []
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users = self.env['res.users'].search([('partner_id', 'in', tuple(partner_ids))])
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for user in users:
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notif = self.with_user(user).get_next_notif()
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notifications.append([(self._cr.dbname, 'calendar.alarm', user.partner_id.id), notif])
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if len(notifications) > 0:
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self.env['bus.bus'].sendmany(notifications)
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