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"""Compute event mail ids from its parent event
The email schedulers for sessions are used to track their independent states,
but the management is done directly from the parent event.event.
This method takes care of synchronizing the session's schedulers with those
of their parent events.
"""
for rec in self:
existing_schedulers = rec.event_mail_ids.scheduler_id
event_schedulers = rec.event_id.event_mail_ids
# Unlink the ones no-longer in sync
to_unlink = rec.event_mail_ids.filtered(
lambda r, event_schedulers=event_schedulers: r.scheduler_id
not in event_schedulers
)
if to_unlink:
rec.event_mail_ids = [
fields.Command.unlink(scheduler.id) for scheduler in to_unlink
]
# Create missing ones
to_create = event_schedulers - existing_schedulers
if to_create:
rec.event_mail_ids = [
fields.Command.create(
scheduler._prepare_session_mail_scheduler_vals(rec)
)
for scheduler in to_create
]
# Force recomputation of scheduled date
rec.event_mail_ids._compute_scheduled_date()
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