--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/news/models.py	Sat May 05 17:10:48 2012 -0500
@@ -0,0 +1,120 @@
+"""
+Models for the news application.
+"""
+
+import datetime
+from django.db import models
+from django.contrib.auth.models import User
+from tagging.fields import TagField
+
+
+class Category(models.Model):
+    """News stories belong to categories"""
+    title = models.CharField(max_length=64)
+    slug = models.SlugField(max_length=64)
+    icon = models.ImageField(upload_to='news/categories/', blank=True)
+
+    def __unicode__(self):
+        return self.title
+
+    def num_stories(self):
+        return News.objects.filter(category = self.pk).count()
+
+    class Meta:
+        verbose_name_plural = 'Categories'
+        ordering = ('title', )
+
+
+class StoryBase(models.Model):
+    """Abstract model to collect common fields."""
+    title = models.CharField(max_length=255)
+    submitter = models.ForeignKey(User)
+    category = models.ForeignKey(Category)
+    short_text = models.TextField()
+    long_text = models.TextField(blank=True)
+    date_submitted = models.DateTimeField(db_index=True)
+    allow_comments = models.BooleanField(default=True)
+    tags = TagField()
+    front_page_expiration = models.DateField(null=True, blank=True)
+    update_date = models.DateTimeField(db_index=True, blank=True)
+    priority = models.IntegerField(db_index=True, default=0, blank=True)
+    meta_description = models.TextField(blank=True)
+
+    class Meta:
+        abstract = True
+
+
+class PendingStory(StoryBase):
+    """Stories submitted by users are held pending admin approval"""
+
+    def save(self, *args, **kwargs):
+        if not self.pk:
+            if not self.date_submitted:
+                self.date_submitted = datetime.datetime.now()
+            self.update_date = self.date_submitted
+        else:
+            self.update_date = datetime.datetime.now()
+
+        super(PendingStory, self).save(*args, **kwargs)
+
+    def __unicode__(self):
+        return self.title
+
+    class Meta:
+        ordering = ('-date_submitted', )
+        verbose_name_plural = 'Pending Stories'
+
+
+class Story(StoryBase):
+    """Model for news stories"""
+
+    @models.permalink
+    def get_absolute_url(self):
+        return ('news.views.story', [str(self.id)])
+
+    def __unicode__(self):
+        return self.title
+
+    class Meta:
+        ordering = ('-date_submitted', )
+        verbose_name = 'news story'
+        verbose_name_plural = 'news stories'
+
+    def save(self, *args, **kwargs):
+        if not self.pk:
+            self.date_submitted = datetime.datetime.now()
+            self.update_date = self.date_submitted
+        else:
+            self.update_date = datetime.datetime.now()
+
+        super(Story, self).save(*args, **kwargs)
+
+    def can_comment_on(self):
+        now = datetime.datetime.now()
+        delta = now - self.date_submitted
+        return self.allow_comments and delta.days < 30
+
+    def search_title(self):
+        return self.title
+
+    def search_summary(self):
+        return u"\n".join((self.short_text, self.long_text))
+
+    def ogp_tags(self):
+        """
+        Returns a dict of Open Graph Protocol meta tags.
+
+        """
+        desc = self.meta_description.strip()
+        if not desc:
+            desc = 'News article submitted by %s on %s.' % (
+                    self.submitter.username,
+                    self.date_submitted.strftime('%B %d, %Y'))
+
+        return {
+            'og:title': self.title,
+            'og:type': 'article',
+            'og:url': self.get_absolute_url(),
+            'og:image': self.category.icon.url,
+            'og:description': desc,
+        }