flectra/addons/event/models/event_mail.py

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# -*- coding: utf-8 -*-
from datetime import datetime
from dateutil.relativedelta import relativedelta
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from flectra import api, fields, models, tools
_INTERVALS = {
'hours': lambda interval: relativedelta(hours=interval),
'days': lambda interval: relativedelta(days=interval),
'weeks': lambda interval: relativedelta(days=7*interval),
'months': lambda interval: relativedelta(months=interval),
'now': lambda interval: relativedelta(hours=0),
}
class EventTypeMail(models.Model):
""" Template of event.mail to attach to event.type. Those will be copied
upon all events created in that type to ease event creation. """
_name = 'event.type.mail'
_description = 'Mail Scheduling on Event Type'
event_type_id = fields.Many2one(
'event.type', string='Event Type',
ondelete='cascade', required=True)
interval_nbr = fields.Integer('Interval', default=1)
interval_unit = fields.Selection([
('now', 'Immediately'),
('hours', 'Hour(s)'), ('days', 'Day(s)'),
('weeks', 'Week(s)'), ('months', 'Month(s)')],
string='Unit', default='hours', required=True)
interval_type = fields.Selection([
('after_sub', 'After each registration'),
('before_event', 'Before the event'),
('after_event', 'After the event')],
string='Trigger', default="before_event", required=True)
template_id = fields.Many2one(
'mail.template', string='Email Template',
domain=[('model', '=', 'event.registration')], required=True, ondelete='restrict',
help='This field contains the template of the mail that will be automatically sent')
class EventMailScheduler(models.Model):
""" Event automated mailing. This model replaces all existing fields and
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configuration allowing to send emails on events since Flectra 9. A cron exists
that periodically checks for mailing to run. """
_name = 'event.mail'
_rec_name = 'event_id'
_description = 'Event Automated Mailing'
event_id = fields.Many2one('event.event', string='Event', required=True, ondelete='cascade')
sequence = fields.Integer('Display order')
interval_nbr = fields.Integer('Interval', default=1)
interval_unit = fields.Selection([
('now', 'Immediately'),
('hours', 'Hour(s)'), ('days', 'Day(s)'),
('weeks', 'Week(s)'), ('months', 'Month(s)')],
string='Unit', default='hours', required=True)
interval_type = fields.Selection([
('after_sub', 'After each registration'),
('before_event', 'Before the event'),
('after_event', 'After the event')],
string='Trigger ', default="before_event", required=True)
template_id = fields.Many2one(
'mail.template', string='Email Template',
domain=[('model', '=', 'event.registration')], required=True, ondelete='restrict',
help='This field contains the template of the mail that will be automatically sent')
scheduled_date = fields.Datetime('Scheduled Sent Mail', compute='_compute_scheduled_date', store=True)
mail_registration_ids = fields.One2many('event.mail.registration', 'scheduler_id')
mail_sent = fields.Boolean('Mail Sent on Event')
done = fields.Boolean('Sent', compute='_compute_done', store=True)
@api.one
@api.depends('mail_sent', 'interval_type', 'event_id.registration_ids', 'mail_registration_ids')
def _compute_done(self):
if self.interval_type in ['before_event', 'after_event']:
self.done = self.mail_sent
else:
self.done = len(self.mail_registration_ids) == len(self.event_id.registration_ids) and all(mail.mail_sent for mail in self.mail_registration_ids)
@api.one
@api.depends('event_id.state', 'event_id.date_begin', 'interval_type', 'interval_unit', 'interval_nbr')
def _compute_scheduled_date(self):
if self.event_id.state not in ['confirm', 'done']:
self.scheduled_date = False
else:
if self.interval_type == 'after_sub':
date, sign = self.event_id.create_date, 1
elif self.interval_type == 'before_event':
date, sign = self.event_id.date_begin, -1
else:
date, sign = self.event_id.date_end, 1
self.scheduled_date = datetime.strptime(date, tools.DEFAULT_SERVER_DATETIME_FORMAT) + _INTERVALS[self.interval_unit](sign * self.interval_nbr)
@api.one
def execute(self):
now = fields.Datetime.now()
if self.interval_type == 'after_sub':
# update registration lines
lines = [
(0, 0, {'registration_id': registration.id})
for registration in (self.event_id.registration_ids - self.mapped('mail_registration_ids.registration_id'))
]
if lines:
self.write({'mail_registration_ids': lines})
# execute scheduler on registrations
self.mail_registration_ids.filtered(lambda reg: reg.scheduled_date and reg.scheduled_date <= now).execute()
else:
# Do not send emails if the mailing was scheduled before the event but the event is over
if not self.mail_sent and (self.interval_type != 'before_event' or self.event_id.date_end > now):
self.event_id.mail_attendees(self.template_id.id)
self.write({'mail_sent': True})
return True
@api.model
def run(self, autocommit=False):
schedulers = self.search([('done', '=', False), ('scheduled_date', '<=', datetime.strftime(fields.datetime.now(), tools.DEFAULT_SERVER_DATETIME_FORMAT))])
for scheduler in schedulers:
scheduler.execute()
if autocommit:
self.env.cr.commit()
return True
class EventMailRegistration(models.Model):
_name = 'event.mail.registration'
_description = 'Registration Mail Scheduler'
_rec_name = 'scheduler_id'
_order = 'scheduled_date DESC'
scheduler_id = fields.Many2one('event.mail', 'Mail Scheduler', required=True, ondelete='cascade')
registration_id = fields.Many2one('event.registration', 'Attendee', required=True, ondelete='cascade')
scheduled_date = fields.Datetime('Scheduled Time', compute='_compute_scheduled_date', store=True)
mail_sent = fields.Boolean('Mail Sent')
@api.one
def execute(self):
if self.registration_id.state in ['open', 'done'] and not self.mail_sent:
self.scheduler_id.template_id.send_mail(self.registration_id.id)
self.write({'mail_sent': True})
@api.one
@api.depends('registration_id', 'scheduler_id.interval_unit', 'scheduler_id.interval_type')
def _compute_scheduled_date(self):
if self.registration_id:
date_open = self.registration_id.date_open
date_open_datetime = date_open and datetime.strptime(date_open, tools.DEFAULT_SERVER_DATETIME_FORMAT) or fields.datetime.now()
self.scheduled_date = date_open_datetime + _INTERVALS[self.scheduler_id.interval_unit](self.scheduler_id.interval_nbr)
else:
self.scheduled_date = False