UPD: more registration staff on dav_events.

dav_events/models/participant.py

@@ -0,0 +1,79 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+import datetime
+from django.db import models
+from django.utils import timezone
+from django.utils.encoding import python_2_unicode_compatible
+from django.utils.translation import ugettext_lazy as _
+
+midnight = datetime.time(00, 00, 00)
+one_day = datetime.timedelta(1)
+
+
+@python_2_unicode_compatible
+class Participant(models.Model):
+    event = models.ForeignKey('Event', related_name='participants')
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    position = models.IntegerField(verbose_name='Listennummer')
+
+    personal_names = models.CharField(max_length=1024,
+                                      verbose_name=_('Vorname(n)'))
+    family_names = models.CharField(max_length=1024,
+                                    verbose_name=_('Familienname'))
+    address = models.CharField(max_length=1024,
+                               verbose_name=_('Anschrift'),
+                               help_text=_('Straße, Hausnummer'))
+    postal_code = models.CharField(max_length=254,
+                                   verbose_name=_('Postleitzahl'))
+    city = models.CharField(max_length=1024,
+                            verbose_name=_('Ort'))
+    email_address = models.EmailField(verbose_name=_('E-Mail-Adresse'))
+    phone_number = models.CharField(max_length=254,
+                                    verbose_name=_('Telefonnummer'))
+    dav_number = models.CharField(max_length=62,
+                                  #validators=[DAVNumberValidator],
+                                  verbose_name=_('DAV Mitgliednummer'))
+    emergency_contact = models.TextField(blank=True,
+                                         verbose_name=_('Notfall-Kontakt'))
+    experience = models.TextField(blank=True,
+                                  verbose_name=_('Erfahrung'))
+    note = models.TextField(blank=True,
+                            verbose_name=_('Anmerkung'))
+
+    paid = models.BooleanField('Teilnehmerbeitrag bezahlt', default=False)
+
+    purge_at = models.DateTimeField()
+
+    class Meta:
+        unique_together = (('event', 'position'), )
+        verbose_name = _('Teilnehmer')
+        verbose_name_plural = _('Teilnehmer')
+        ordering = ['event', 'position']
+
+    def __str__(self):
+        return '{position}. {name}'.format(
+            position=self.position,
+            name=self.get_full_name(),
+        )
+
+    def get_full_name(self):
+        return '{} {}'.format(self.personal_names, self.family_names)
+
+    def save(self, **kwargs):
+        if not self.purge_at and self.event:
+            self.purge_at = self.__class__.calc_purge_at(self.event)
+
+        super(Participant, self).save(**kwargs)
+
+    @staticmethod
+    def calc_purge_at(event):
+        if event.alt_last_day:
+            last_day = event.alt_last_day
+        elif event.last_day:
+            last_day = event.last_day
+        elif event.alt_first_day:
+            last_day = event.alt_first_day
+        else:
+            last_day = event.first_day
+        return timezone.make_aware(datetime.datetime.combine(last_day + one_day * 7, midnight))