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path: root/sublab_project/news/models.py
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import datetime

from django.contrib.auth.models import User
from django.db import models

from projects.models import Project
from utils import render_creole


class News(models.Model):
    """A news item.
    """
    title = models.CharField('Titel', max_length=255)
    slug = models.SlugField('Slug', unique=True)
    content = models.TextField('Inhalt',
            help_text='Es kann <a href="http://wikicreole.org/" target="blank">Creole als Markup</a> benutzt werden.')
    content_html = models.TextField(editable=False)
    projects = models.ManyToManyField(Project, blank=True,
            related_name='news', verbose_name='Projekte')
    author = models.ForeignKey(User, editable=False, verbose_name='Autor')
    image = models.ImageField('Bild', upload_to='news',
            height_field='image_height', width_field='image_width', blank=True)
    image_height = models.IntegerField(default=0, editable=False)
    image_width = models.IntegerField(default=0, editable=False)
    date_created = models.DateTimeField('Erstellungsdatum', editable=False)
    date_updated = models.DateTimeField('Aktualisierungsdatum', editable=False)

    class Meta:
        ordering = ['-date_created']
        verbose_name = 'News'
        verbose_name_plural = 'News'

    def __unicode__(self):
        return self.title

    def save(self, *args, **kwargs):
        if not self.id:
            self.date_created = datetime.datetime.now()
        self.date_updated = datetime.datetime.now()
        self.content_html = render_creole(self.content)
        super(News, self).save(*args, **kwargs)

    @models.permalink
    def get_absolute_url(self):
        return ('news_detail', (), {'slug': self.slug})