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annotate podcast/models.py @ 887:9a15f7c27526

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Actually save model object upon change. This commit was tested on the comments model. Additional logging added. Added check for Markdown image references. Added TODOs after observing behavior on comments.
author Brian Neal <bgneal@gmail.com>
date Tue, 03 Feb 2015 21:09:44 -0600
parents ee87ea74d46b
children e932f2ecd4a7
rev   line source
bgneal@277 1 """
bgneal@277 2 Models for the podcast application.
bgneal@277 3
bgneal@277 4 """
bgneal@277 5 import datetime
gremmie@1 6
gremmie@1 7 from django.db import models
gremmie@1 8
bgneal@277 9
gremmie@1 10 EXPLICIT_CHOICES = (
bgneal@224 11 ('yes', 'Yes'),
bgneal@224 12 ('no', 'No'),
bgneal@224 13 ('clean', 'Clean'),
bgneal@224 14 )
gremmie@1 15
gremmie@1 16
gremmie@1 17 class Channel(models.Model):
bgneal@224 18 """Model to represent the Channel properties"""
gremmie@1 19
bgneal@224 20 title = models.CharField(max_length=255)
bgneal@572 21 link = models.URLField()
bgneal@224 22 language = models.CharField(max_length=16)
bgneal@224 23 copyright = models.CharField(max_length=255)
bgneal@224 24 subtitle = models.CharField(max_length=255)
bgneal@224 25 author = models.CharField(max_length=64)
bgneal@224 26 description = models.CharField(max_length=255)
bgneal@224 27 owner_name = models.CharField(max_length=64)
bgneal@224 28 owner_email = models.EmailField()
bgneal@224 29 image = models.ImageField(upload_to='podcast')
bgneal@224 30 category = models.CharField(max_length=64)
bgneal@224 31 explicit = models.CharField(max_length=8, choices=EXPLICIT_CHOICES)
bgneal@224 32 keywords = models.CharField(max_length=255)
gremmie@1 33
bgneal@224 34 def __unicode__(self):
bgneal@224 35 return self.title
gremmie@1 36
gremmie@1 37
gremmie@1 38 class Item(models.Model):
bgneal@224 39 """Model to represent a channel item"""
bgneal@224 40 channel = models.ForeignKey(Channel)
bgneal@224 41 title = models.CharField(max_length=255)
bgneal@224 42 author = models.CharField(max_length=255)
bgneal@224 43 subtitle = models.CharField(max_length=255)
bgneal@224 44 summary = models.TextField()
bgneal@572 45 enclosure_url = models.URLField()
bgneal@572 46 alt_enclosure_url = models.URLField(blank=True)
bgneal@224 47 enclosure_length = models.IntegerField()
bgneal@224 48 enclosure_type = models.CharField(max_length=32)
bgneal@224 49 guid = models.CharField(max_length=255)
bgneal@277 50 pubdate = models.DateTimeField(db_index=True)
bgneal@224 51 duration = models.CharField(max_length=16)
bgneal@224 52 keywords = models.CharField(max_length=255)
bgneal@224 53 explicit = models.CharField(max_length=8, choices=EXPLICIT_CHOICES)
bgneal@277 54 update_date = models.DateTimeField(db_index=True, blank=True)
gremmie@1 55
bgneal@224 56 @models.permalink
bgneal@224 57 def get_absolute_url(self):
bgneal@224 58 return ('podcast.views.detail', [str(self.id)])
gremmie@1 59
bgneal@224 60 def __unicode__(self):
bgneal@224 61 return self.title
gremmie@1 62
bgneal@224 63 class Meta:
bgneal@224 64 ordering = ('-pubdate', )
bgneal@226 65 verbose_name = 'podcast'
bgneal@226 66 verbose_name_plural = 'podcasts'
gremmie@1 67
bgneal@277 68 def save(self, *args, **kwargs):
bgneal@277 69 if not self.id:
bgneal@277 70 if not self.pubdate:
bgneal@277 71 self.pubdate = datetime.datetime.now()
bgneal@277 72 self.update_date = self.pubdate
bgneal@277 73 else:
bgneal@277 74 self.update_date = datetime.datetime.now()
bgneal@277 75 super(Item, self).save(*args, **kwargs)
bgneal@277 76
bgneal@224 77 def search_title(self):
bgneal@224 78 return "%s: %s" % (self.title, self.subtitle)
bgneal@224 79
bgneal@224 80 def search_summary(self):
bgneal@224 81 return u"\n".join((self.subtitle, self.summary, self.keywords))
bgneal@487 82
bgneal@487 83 def ogp_tags(self):
bgneal@487 84 """
bgneal@487 85 Returns a dict of Open Graph Protocol meta tags.
bgneal@487 86
bgneal@487 87 """
bgneal@487 88 title = "%s: %s; %s" % (self.channel.title, self.title, self.subtitle)
bgneal@487 89 return {
bgneal@487 90 'og:title': title,
bgneal@487 91 'og:type': 'article',
bgneal@487 92 'og:url': self.get_absolute_url(),
bgneal@487 93 'og:description': self.subtitle,
bgneal@487 94 'og:audio': self.enclosure_url,
bgneal@487 95 'og:audio:title': title,
bgneal@487 96 'og:audio:artist': 'Various',
bgneal@487 97 'og:audio:type': self.enclosure_type,
bgneal@487 98 }