django-categories/categories/models.py
2010-04-22 14:31:38 -04:00

51 lines
1.7 KiB
Python

import re
from django.core.urlresolvers import reverse
from django.db.models import permalink
from django.db import models
from django.utils.encoding import force_unicode
import mptt
class Category(models.Model):
parent = models.ForeignKey('self',
blank=True,
null=True,
related_name="children",
help_text="Leave this blank for an Category Tree",
verbose_name='Parent')
name = models.CharField(max_length=100)
order = models.IntegerField(blank=True, null=True)
slug = models.SlugField()
alternate_title = models.CharField(
blank=True,
default="",
max_length=100,
help_text="An alternative title to use on pages with this category."
)
description = models.TextField(blank=True, null=True)
meta_keywords = models.CharField(
blank=True,
default="",
max_length=255,
help_text="Comma-separated keywords for search engines.")
meta_extra = models.TextField(
blank=True,
default="",
help_text="(Advanced) Any additional HTML to be placed verbatim in the <head>")
def get_absolute_url(self):
"""Return a path"""
prefix = reverse('categories_tree_list')
ancestors = list(self.get_ancestors()) + [self,]
return prefix + '/'.join([force_unicode(i.slug) for i in ancestors]) + '/'
class Meta:
verbose_name_plural = 'categories'
unique_together = ('parent', 'name')
ordering = ('tree_id','lft')
def __unicode__(self):
ancestors = self.get_ancestors()
return ' > '.join([force_unicode(i.name) for i in ancestors]+[self.name,])
mptt.register(Category, order_insertion_by=['name'])