Produits Entr'ouvert » Calebasse

        # list of occurences may have changed

        from ..actes.models import Act

        occurences = list(self.all_occurences())

        acts = Act.objects.filter(parent_event=self)

        occurences_by_date = dict((o.start_datetime.date(), o) for o in occurences)

        acts_by_date = dict()

        for a in acts:

            # sanity check

            assert a.date not in acts_by_date

            acts_by_date[a.date] = a

        for a in acts:

            o = occurences_by_date.get(a.date)

            if o:

                o.update_act(a)

            else:

                if len(a.actvalidationstate_set.all()) > 1:

                    a.parent_event = None

                    a.save()

                else:

                    a.delete()

        for o in occurences:

            if o.start_datetime.date() in acts_by_date:

                continue

            o.get_or_create_act()

    def today_occurrence(self, today=None, match=False, upgrade=True):

        '''For virtual occurrences reset the event_ptr_id'''

        occurrence = super(EventWithAct, self).today_occurrence(today, match, upgrade)

        if hasattr(occurrence, 'parent'):

            old_save = occurrence.save

            def save(*args, **kwargs):

                occurrence.event_ptr_id = None

                old_save(*args, **kwargs)

            occurrence.save = save

        return occurrence