mirror of https://gitlab.crans.org/bde/nk20
281 lines
7.8 KiB
Python
281 lines
7.8 KiB
Python
# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
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# SPDX-License-Identifier: GPL-3.0-or-later
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from datetime import timedelta
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from threading import Thread
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from django.conf import settings
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from django.contrib.auth.models import User
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from django.db import models
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from django.db.models import Q
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from django.utils import timezone
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from django.utils.translation import gettext_lazy as _
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from rest_framework.exceptions import ValidationError
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from note.models import NoteUser, Transaction
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class ActivityType(models.Model):
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"""
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Type of Activity, (e.g "Pot", "Soirée Club") and associated properties.
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Activity Type are used as a search field for Activity, and determine how
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some rules about the activity:
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- Can people be invited
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- What is the entrance fee.
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"""
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name = models.CharField(
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verbose_name=_('name'),
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max_length=255,
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)
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can_invite = models.BooleanField(
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verbose_name=_('can invite'),
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)
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guest_entry_fee = models.PositiveIntegerField(
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verbose_name=_('guest entry fee'),
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)
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class Meta:
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verbose_name = _("activity type")
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verbose_name_plural = _("activity types")
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def __str__(self):
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return self.name
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class Activity(models.Model):
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"""
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An IRL event organized by a club for other club.
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By default the invited clubs should be the Club containing all the active accounts.
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"""
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name = models.CharField(
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verbose_name=_('name'),
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max_length=255,
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)
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description = models.TextField(
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verbose_name=_('description'),
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)
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location = models.CharField(
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verbose_name=_('location'),
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max_length=255,
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blank=True,
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default="",
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)
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activity_type = models.ForeignKey(
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ActivityType,
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on_delete=models.PROTECT,
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related_name='+',
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verbose_name=_('type'),
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)
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creater = models.ForeignKey(
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User,
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on_delete=models.PROTECT,
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verbose_name=_("user"),
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)
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organizer = models.ForeignKey(
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'member.Club',
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on_delete=models.PROTECT,
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related_name='+',
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verbose_name=_('organizer'),
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)
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attendees_club = models.ForeignKey(
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'member.Club',
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on_delete=models.PROTECT,
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related_name='+',
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verbose_name=_('attendees club'),
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)
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date_start = models.DateTimeField(
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verbose_name=_('start date'),
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)
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date_end = models.DateTimeField(
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verbose_name=_('end date'),
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)
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valid = models.BooleanField(
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default=False,
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verbose_name=_('valid'),
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)
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open = models.BooleanField(
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default=False,
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verbose_name=_('open'),
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)
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def save(self, *args, **kwargs):
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"""
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Update the activity wiki page each time the activity is updated (validation, change description, ...)
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"""
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ret = super().save(*args, **kwargs)
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if self.pk and "scripts" in settings.INSTALLED_APPS:
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def refresh_activities():
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from scripts.management.commands.refresh_activities import Command as RefreshActivitiesCommand
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RefreshActivitiesCommand.refresh_human_readable_wiki_page("Modification de l'activité " + self.name)
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RefreshActivitiesCommand.refresh_raw_wiki_page("Modification de l'activité " + self.name)
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Thread(daemon=True, target=refresh_activities).start()
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return ret
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def __str__(self):
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return self.name
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class Meta:
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verbose_name = _("activity")
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verbose_name_plural = _("activities")
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class Entry(models.Model):
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"""
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Register the entry of someone:
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- a member with a :model:`note.NoteUser`
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- or a :model:`activity.Guest`
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In the case of a Guest Entry, the inviter note is also save.
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"""
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activity = models.ForeignKey(
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Activity,
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on_delete=models.PROTECT,
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related_name="entries",
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verbose_name=_("activity"),
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)
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time = models.DateTimeField(
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default=timezone.now,
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verbose_name=_("entry time"),
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)
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note = models.ForeignKey(
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NoteUser,
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on_delete=models.PROTECT,
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verbose_name=_("note"),
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)
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guest = models.OneToOneField(
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'activity.Guest',
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on_delete=models.PROTECT,
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null=True,
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)
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class Meta:
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unique_together = (('activity', 'note', 'guest', ), )
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verbose_name = _("entry")
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verbose_name_plural = _("entries")
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def save(self, *args, **kwargs):
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qs = Entry.objects.filter(~Q(pk=self.pk), activity=self.activity, note=self.note, guest=self.guest)
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if qs.exists():
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raise ValidationError(_("Already entered on ") + _("{:%Y-%m-%d %H:%M:%S}").format(qs.get().time, ))
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if self.guest:
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self.note = self.guest.inviter
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insert = not self.pk
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if insert:
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if self.note.balance < 0:
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raise ValidationError(_("The balance is negative."))
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ret = super().save(*args, **kwargs)
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if insert and self.guest:
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GuestTransaction.objects.create(
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source=self.note,
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destination=self.activity.organizer.note,
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quantity=1,
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amount=self.activity.activity_type.guest_entry_fee,
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reason="Invitation " + self.activity.name + " " + self.guest.first_name + " " + self.guest.last_name,
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valid=True,
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entry=self,
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).save()
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return ret
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class Guest(models.Model):
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"""
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People who are not current members of any clubs, and are invited by someone who is a current member.
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"""
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activity = models.ForeignKey(
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Activity,
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on_delete=models.PROTECT,
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related_name='+',
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)
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last_name = models.CharField(
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max_length=255,
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verbose_name=_("last name"),
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)
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first_name = models.CharField(
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max_length=255,
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verbose_name=_("first name"),
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)
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inviter = models.ForeignKey(
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NoteUser,
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on_delete=models.PROTECT,
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related_name='guests',
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verbose_name=_("inviter"),
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)
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@property
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def has_entry(self):
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try:
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if self.entry:
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return True
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return False
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except AttributeError:
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return False
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def save(self, force_insert=False, force_update=False, using=None, update_fields=None):
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one_year = timedelta(days=365)
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if not force_insert:
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if self.activity.date_start > timezone.now():
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raise ValidationError(_("You can't invite someone once the activity is started."))
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if not self.activity.valid:
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raise ValidationError(_("This activity is not validated yet."))
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qs = Guest.objects.filter(
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first_name=self.first_name,
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last_name=self.last_name,
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activity__date_start__gte=self.activity.date_start - one_year,
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)
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if len(qs) >= 5:
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raise ValidationError(_("This person has been already invited 5 times this year."))
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qs = qs.filter(activity=self.activity)
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if qs.exists():
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raise ValidationError(_("This person is already invited."))
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qs = Guest.objects.filter(inviter=self.inviter, activity=self.activity)
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if len(qs) >= 3:
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raise ValidationError(_("You can't invite more than 3 people to this activity."))
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return super().save(force_insert, force_update, using, update_fields)
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def __str__(self):
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return self.first_name + " " + self.last_name
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class Meta:
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verbose_name = _("guest")
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verbose_name_plural = _("guests")
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unique_together = ("activity", "last_name", "first_name", )
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class GuestTransaction(Transaction):
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entry = models.OneToOneField(
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Entry,
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on_delete=models.PROTECT,
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)
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@property
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def type(self):
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return _('Invitation')
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