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from django.db import models
class Event(models.Model):
"""A calendar event.
"""
SOURCE_ADMIN = 'admin'
SOURCE_IMPORT = 'import'
name = models.CharField('Name', max_length=255)
description = models.TextField('Beschreibung', blank=True)
start = models.DateTimeField('Beginn')
end = models.DateTimeField('Ende')
source = models.CharField('Quelle', max_length=10, editable=False,
default=SOURCE_IMPORT)
class Meta:
verbose_name = 'Termin'
verbose_name_plural = 'Termine'
ordering = ['start', 'end', 'name']
def __unicode__(self):
return '%s (%s - %s)' % (self.name,
self.start.strftime('%d.%m.%Y %T'),
self.end.strftime('%d.%m.%Y %T'))
def clean(self):
"""Checks if the start date is lower than the end date.
"""
from django.core.exceptions import ValidationError
if self.start > self.end:
raise ValidationError('Der Beginn darf nicht vor dem Ende liegen.')
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