models.py

from django.contrib.auth.models import User
from django.contrib.sites.models import Site
from django.db import models
from filebrowser.fields import FileBrowseField
from mptt.forms import TreeNodeChoiceField, TreeNodeMultipleChoiceField
from mptt.models import MPTTModel, TreeForeignKey
from taggit.managers import TaggableManager
from ckeditor.fields import RichTextField

class Section(MPTTModel):
    name = models.CharField(max_length=255)
    parent = TreeForeignKey('self', null=True, blank=True, related_name='children')
    def __unicode__(self):
        return self.name

class Article(models.Model):
    title = models.CharField(max_length=255)
    slug = models.SlugField()
    summary = models.TextField(blank=True)
    bullets = models.TextField(blank=True)
    body = RichTextField()
    # Multimedia
    main_image = FileBrowseField(max_length=255,blank=True)
    main_image_credit = models.CharField(max_length=255,blank=True)
    # Publishing info
    pub_date = models.DateTimeField()
    pub_status = models.CharField(
        (u'Publication status'),max_length=1,
               choices=(
                   ('D','Draft'),
                   ('E','Edit'),
                   ('P','Published'),
                   ('T','Trash')
                   ),
               help_text=u'Only published items will appear on the site.',
               default='D')
    sites = models.ManyToManyField(Site)
    # Author information
    authors = models.ManyToManyField(User)
    authors_extra = models.CharField(max_length=255,blank=True)
    # Taxonomy
    tags = TaggableManager(blank=True)
    section = TreeForeignKey(Section)
    def __unicode__(self):
        return self.title
    class Meta:
        permissions = (
            ("can_change_pub_status", 'Can change published status'),
        )

class Review(Article):
    # Review-specific stuff
    rating = models.CharField(max_length=1, choices=(
        (1,'1'),
        (2,'2'),
        (3,'3'),
        (4,'4'),
        (5,'5')
    ))