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from django.utils import timezone
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from django.conf import settings
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from django.db import models
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from django.utils.translation import ugettext_lazy as _
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from ckeditor.fields import RichTextField
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channel_choices = (
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('mailto', _('Email')),
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('homepage', _('Homepage'))
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)
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class Category(models.Model):
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name = models.CharField(max_length=64, blank=False, null=False)
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ctime = models.DateTimeField(auto_now_add=True)
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def __unicode__(self):
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return self.name
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class Announce(models.Model):
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category = models.ForeignKey('Category', verbose_name=_('category'))
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title = models.CharField(_('title'), max_length=256,
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help_text=_('maximum 256 characters'))
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text = RichTextField(_('Content'))
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publication_time = models.DateTimeField(_('publication time'), blank=True,
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null=True)
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expiration_time = models.DateTimeField(_('Expires on'), blank=True,
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null=True)
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ctime = models.DateTimeField(_('creation time'), auto_now_add=True)
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mtime = models.DateTimeField(_('modification time'), auto_now=True)
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def __unicode__(self):
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return u'{title} ({id}) at {mtime}'.format(title=self.title,
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id=self.id, mtime=self.mtime)
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def is_expired(self):
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if self.expiration_time:
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return self.expiration_time < timezone.now()
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return False
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def is_published(self):
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if self.is_expired():
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return False
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if self.publication_time:
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return self.publication_time <= timezone.now()
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return False
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class Meta:
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verbose_name = _('announce')
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ordering = ('-mtime',)
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class Broadcast(models.Model):
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announce = models.ForeignKey(Announce, verbose_name=_('announce'))
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time = models.DateTimeField(_('sent time'), auto_now_add=True)
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result = models.TextField(_('result'), blank=True)
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def __unicode__(self):
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return u'announce {id} sent via {channel} at {time}'.format(
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id=self.announce.id, channel=self.channel, time=self.time)
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class Meta:
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verbose_name = _('sent')
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ordering = ('-time',)
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class Subscription(models.Model):
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category = models.ForeignKey('Category', verbose_name=_('Category'))
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uuid = models.CharField(_('User identifier'), max_length=128, blank=True)
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identifier = models.CharField(_('identifier'), max_length=128, blank=True,
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help_text=_('ex.: mailto, homepage, ...'))
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class Meta:
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unique_together = ('category', 'identifier', 'uuid')
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