bgneal@277: """
bgneal@277: Models for the podcast application.
bgneal@277: 
bgneal@277: """
bgneal@277: import datetime
gremmie@1: 
gremmie@1: from django.db import models
gremmie@1: 
bgneal@277: 
gremmie@1: EXPLICIT_CHOICES = (
bgneal@224:         ('yes', 'Yes'),
bgneal@224:         ('no', 'No'),
bgneal@224:         ('clean', 'Clean'),
bgneal@224:     )
gremmie@1: 
gremmie@1: 
gremmie@1: class Channel(models.Model):
bgneal@224:     """Model to represent the Channel properties"""
gremmie@1: 
bgneal@224:     title = models.CharField(max_length=255)
bgneal@224:     link = models.URLField(verify_exists=False)
bgneal@224:     language = models.CharField(max_length=16)
bgneal@224:     copyright = models.CharField(max_length=255)
bgneal@224:     subtitle = models.CharField(max_length=255)
bgneal@224:     author = models.CharField(max_length=64)
bgneal@224:     description = models.CharField(max_length=255)
bgneal@224:     owner_name = models.CharField(max_length=64)
bgneal@224:     owner_email = models.EmailField()
bgneal@224:     image = models.ImageField(upload_to='podcast')
bgneal@224:     category = models.CharField(max_length=64)
bgneal@224:     explicit = models.CharField(max_length=8, choices=EXPLICIT_CHOICES)
bgneal@224:     keywords = models.CharField(max_length=255)
gremmie@1: 
bgneal@224:     def __unicode__(self):
bgneal@224:         return self.title
gremmie@1: 
gremmie@1: 
gremmie@1: class Item(models.Model):
bgneal@224:     """Model to represent a channel item"""
bgneal@224:     channel = models.ForeignKey(Channel)
bgneal@224:     title = models.CharField(max_length=255)
bgneal@224:     author = models.CharField(max_length=255)
bgneal@224:     subtitle = models.CharField(max_length=255)
bgneal@224:     summary = models.TextField()
bgneal@224:     enclosure_url = models.URLField(verify_exists=False)
bgneal@224:     alt_enclosure_url = models.URLField(verify_exists=False, blank=True)
bgneal@224:     enclosure_length = models.IntegerField()
bgneal@224:     enclosure_type = models.CharField(max_length=32)
bgneal@224:     guid = models.CharField(max_length=255)
bgneal@277:     pubdate = models.DateTimeField(db_index=True)
bgneal@224:     duration = models.CharField(max_length=16)
bgneal@224:     keywords = models.CharField(max_length=255)
bgneal@224:     explicit = models.CharField(max_length=8, choices=EXPLICIT_CHOICES)
bgneal@277:     update_date = models.DateTimeField(db_index=True, blank=True)
gremmie@1: 
bgneal@224:     @models.permalink
bgneal@224:     def get_absolute_url(self):
bgneal@224:         return ('podcast.views.detail', [str(self.id)])
gremmie@1: 
bgneal@224:     def __unicode__(self):
bgneal@224:         return self.title
gremmie@1: 
bgneal@224:     class Meta:
bgneal@224:         ordering = ('-pubdate', )
bgneal@226:         verbose_name = 'podcast'
bgneal@226:         verbose_name_plural = 'podcasts'
gremmie@1: 
bgneal@277:     def save(self, *args, **kwargs):
bgneal@277:         if not self.id:
bgneal@277:             if not self.pubdate:
bgneal@277:                 self.pubdate = datetime.datetime.now()
bgneal@277:             self.update_date = self.pubdate
bgneal@277:         else:
bgneal@277:             self.update_date = datetime.datetime.now()
bgneal@277:         super(Item, self).save(*args, **kwargs)
bgneal@277: 
bgneal@224:     def search_title(self):
bgneal@224:         return "%s: %s" % (self.title, self.subtitle)
bgneal@224: 
bgneal@224:     def search_summary(self):
bgneal@224:         return u"\n".join((self.subtitle, self.summary, self.keywords))
bgneal@487: 
bgneal@487:     def ogp_tags(self):
bgneal@487:         """
bgneal@487:         Returns a dict of Open Graph Protocol meta tags.
bgneal@487: 
bgneal@487:         """
bgneal@487:         title = "%s: %s; %s" % (self.channel.title, self.title, self.subtitle)
bgneal@487:         return {
bgneal@487:             'og:title': title,
bgneal@487:             'og:type': 'article',
bgneal@487:             'og:url': self.get_absolute_url(),
bgneal@487:             'og:description': self.subtitle,
bgneal@487:             'og:audio': self.enclosure_url,
bgneal@487:             'og:audio:title': title,
bgneal@487:             'og:audio:artist': 'Various',
bgneal@487:             'og:audio:type': self.enclosure_type,
bgneal@487:         }