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-rw-r--r--news/models.py24
1 files changed, 20 insertions, 4 deletions
diff --git a/news/models.py b/news/models.py
index c2d644b7..c4fb136a 100644
--- a/news/models.py
+++ b/news/models.py
@@ -1,13 +1,16 @@
+from datetime import datetime
+
from django.db import models
from django.contrib.auth.models import User
+from django.contrib.sites.models import Site
class News(models.Model):
slug = models.SlugField(max_length=255, unique=True)
author = models.ForeignKey(User, related_name='news_author')
- postdate = models.DateTimeField("post date", auto_now_add=True, db_index=True)
- last_modified = models.DateTimeField(editable=False,
- auto_now=True, db_index=True)
+ postdate = models.DateTimeField("post date", db_index=True)
+ last_modified = models.DateTimeField(editable=False, db_index=True)
title = models.CharField(max_length=255)
+ guid = models.CharField(max_length=255, editable=False)
content = models.TextField()
def get_absolute_url(self):
@@ -22,10 +25,23 @@ class News(models.Model):
get_latest_by = 'postdate'
ordering = ['-postdate']
+def set_news_fields(sender, **kwargs):
+ news = kwargs['instance']
+ now = datetime.now()
+ news.last_modified = now
+ if not news.postdate:
+ news.postdate = now
+ # http://diveintomark.org/archives/2004/05/28/howto-atom-id
+ news.guid = 'tag:%s,%s:%s' % (Site.objects.get_current(),
+ now.strftime('%Y-%m-%d'), news.get_absolute_url())
+
# connect signals needed to keep cache in line with reality
from main.utils import refresh_news_latest
-from django.db.models.signals import post_save
+from django.db.models.signals import pre_save, post_save
+
post_save.connect(refresh_news_latest, sender=News,
dispatch_uid="news.models")
+pre_save.connect(set_news_fields, sender=News,
+ dispatch_uid="news.models")
# vim: set ts=4 sw=4 et: