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annotate news/models.py @ 847:ba9216950eb1

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Update NSSR Halloween banner.
author Brian Neal <bgneal@gmail.com>
date Mon, 27 Oct 2014 18:53:07 -0500
parents ee87ea74d46b
children 76525f5ac2b1
rev   line source
gremmie@1 1 """
gremmie@1 2 Models for the news application.
gremmie@1 3 """
gremmie@1 4
gremmie@1 5 import datetime
gremmie@1 6 from django.db import models
bgneal@49 7 from django.contrib.auth.models import User
gremmie@1 8 from tagging.fields import TagField
gremmie@1 9
gremmie@1 10
gremmie@1 11 class Category(models.Model):
bgneal@54 12 """News stories belong to categories"""
bgneal@240 13 title = models.CharField(max_length=64)
bgneal@240 14 slug = models.SlugField(max_length=64)
bgneal@54 15 icon = models.ImageField(upload_to='news/categories/', blank=True)
gremmie@1 16
bgneal@54 17 def __unicode__(self):
bgneal@54 18 return self.title
gremmie@1 19
bgneal@54 20 def num_stories(self):
bgneal@54 21 return News.objects.filter(category = self.pk).count()
gremmie@1 22
bgneal@54 23 class Meta:
bgneal@54 24 verbose_name_plural = 'Categories'
bgneal@54 25 ordering = ('title', )
gremmie@1 26
gremmie@1 27
bgneal@204 28 class StoryBase(models.Model):
bgneal@204 29 """Abstract model to collect common fields."""
bgneal@54 30 title = models.CharField(max_length=255)
bgneal@54 31 submitter = models.ForeignKey(User)
bgneal@54 32 category = models.ForeignKey(Category)
bgneal@54 33 short_text = models.TextField()
bgneal@54 34 long_text = models.TextField(blank=True)
bgneal@204 35 date_submitted = models.DateTimeField(db_index=True)
bgneal@54 36 allow_comments = models.BooleanField(default=True)
bgneal@54 37 tags = TagField()
bgneal@218 38 front_page_expiration = models.DateField(null=True, blank=True)
bgneal@277 39 update_date = models.DateTimeField(db_index=True, blank=True)
bgneal@462 40 priority = models.IntegerField(db_index=True, default=0, blank=True)
bgneal@486 41 meta_description = models.TextField(blank=True)
gremmie@1 42
bgneal@204 43 class Meta:
bgneal@204 44 abstract = True
bgneal@204 45
bgneal@204 46
bgneal@204 47 class PendingStory(StoryBase):
bgneal@204 48 """Stories submitted by users are held pending admin approval"""
bgneal@204 49
bgneal@182 50 def save(self, *args, **kwargs):
bgneal@204 51 if not self.pk:
bgneal@277 52 if not self.date_submitted:
bgneal@277 53 self.date_submitted = datetime.datetime.now()
bgneal@277 54 self.update_date = self.date_submitted
bgneal@277 55 else:
bgneal@277 56 self.update_date = datetime.datetime.now()
bgneal@204 57
bgneal@204 58 super(PendingStory, self).save(*args, **kwargs)
gremmie@1 59
bgneal@54 60 def __unicode__(self):
bgneal@54 61 return self.title
gremmie@1 62
bgneal@54 63 class Meta:
bgneal@54 64 ordering = ('-date_submitted', )
bgneal@54 65 verbose_name_plural = 'Pending Stories'
gremmie@1 66
gremmie@1 67
bgneal@204 68 class Story(StoryBase):
bgneal@54 69 """Model for news stories"""
gremmie@1 70
bgneal@54 71 @models.permalink
bgneal@54 72 def get_absolute_url(self):
bgneal@54 73 return ('news.views.story', [str(self.id)])
gremmie@1 74
bgneal@54 75 def __unicode__(self):
bgneal@54 76 return self.title
gremmie@1 77
bgneal@54 78 class Meta:
bgneal@204 79 ordering = ('-date_submitted', )
bgneal@226 80 verbose_name = 'news story'
bgneal@226 81 verbose_name_plural = 'news stories'
gremmie@1 82
bgneal@277 83 def save(self, *args, **kwargs):
bgneal@277 84 if not self.pk:
bgneal@277 85 self.date_submitted = datetime.datetime.now()
bgneal@277 86 self.update_date = self.date_submitted
bgneal@277 87 else:
bgneal@277 88 self.update_date = datetime.datetime.now()
bgneal@277 89
bgneal@277 90 super(Story, self).save(*args, **kwargs)
bgneal@277 91
bgneal@54 92 def can_comment_on(self):
bgneal@54 93 now = datetime.datetime.now()
bgneal@204 94 delta = now - self.date_submitted
bgneal@204 95 return self.allow_comments and delta.days < 30
bgneal@220 96
bgneal@220 97 def search_title(self):
bgneal@220 98 return self.title
bgneal@220 99
bgneal@220 100 def search_summary(self):
bgneal@220 101 return u"\n".join((self.short_text, self.long_text))
bgneal@484 102
bgneal@484 103 def ogp_tags(self):
bgneal@484 104 """
bgneal@484 105 Returns a dict of Open Graph Protocol meta tags.
bgneal@484 106
bgneal@484 107 """
bgneal@486 108 desc = self.meta_description.strip()
bgneal@486 109 if not desc:
bgneal@486 110 desc = 'News article submitted by %s on %s.' % (
bgneal@486 111 self.submitter.username,
bgneal@486 112 self.date_submitted.strftime('%B %d, %Y'))
bgneal@486 113
bgneal@484 114 return {
bgneal@484 115 'og:title': self.title,
bgneal@484 116 'og:type': 'article',
bgneal@484 117 'og:url': self.get_absolute_url(),
bgneal@484 118 'og:image': self.category.icon.url,
bgneal@486 119 'og:description': desc,
bgneal@484 120 }