Mercurial > public > sg101

annotate news/models.py @ 1154:4da4e32b314c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Do not restrict oEmbed support to just video. This will allow us to embed stuff from SoundClound and ReverbNation.
author Brian Neal <bgneal@gmail.com>
date Tue, 27 Dec 2016 10:21:37 -0600
parents 9fc12bbc8c81
children
rev   line source
gremmie@1 1 """
gremmie@1 2 Models for the news application.
gremmie@1 3 """
bgneal@997 4 import datetime
gremmie@1 5
bgneal@1002 6 from django.core.urlresolvers import reverse
gremmie@1 7 from django.db import models
bgneal@49 8 from django.contrib.auth.models import User
gremmie@1 9 from tagging.fields import TagField
gremmie@1 10
bgneal@997 11 from core.markup import site_markup
bgneal@997 12
bgneal@997 13
bgneal@997 14 # News App versions
bgneal@997 15 NEWS_VERSION = 2
bgneal@997 16
gremmie@1 17
gremmie@1 18 class Category(models.Model):
bgneal@54 19 """News stories belong to categories"""
bgneal@240 20 title = models.CharField(max_length=64)
bgneal@240 21 slug = models.SlugField(max_length=64)
bgneal@54 22 icon = models.ImageField(upload_to='news/categories/', blank=True)
bgneal@1001 23 forum_slug = models.CharField(
bgneal@1001 24 max_length=80,
bgneal@1001 25 default='',
bgneal@1001 26 blank=True,
bgneal@1001 27 help_text=("Identifies the forum to create comment threads in for "
bgneal@1001 28 "stories in this category. If blank, no comment threads "
bgneal@1001 29 "will be created for stories in this category."))
gremmie@1 30
bgneal@54 31 def __unicode__(self):
bgneal@54 32 return self.title
gremmie@1 33
bgneal@54 34 def num_stories(self):
bgneal@987 35 return Story.objects.filter(category=self.pk).count()
gremmie@1 36
bgneal@54 37 class Meta:
bgneal@54 38 verbose_name_plural = 'Categories'
bgneal@54 39 ordering = ('title', )
gremmie@1 40
gremmie@1 41
bgneal@204 42 class StoryBase(models.Model):
bgneal@204 43 """Abstract model to collect common fields."""
bgneal@54 44 title = models.CharField(max_length=255)
bgneal@54 45 submitter = models.ForeignKey(User)
bgneal@54 46 category = models.ForeignKey(Category)
bgneal@999 47 short_text = models.TextField(default='', blank=True)
bgneal@998 48 long_text = models.TextField(default='', blank=True)
bgneal@204 49 date_submitted = models.DateTimeField(db_index=True)
bgneal@54 50 allow_comments = models.BooleanField(default=True)
bgneal@54 51 tags = TagField()
bgneal@218 52 front_page_expiration = models.DateField(null=True, blank=True)
bgneal@277 53 update_date = models.DateTimeField(db_index=True, blank=True)
bgneal@462 54 priority = models.IntegerField(db_index=True, default=0, blank=True)
bgneal@486 55 meta_description = models.TextField(blank=True)
bgneal@1005 56 short_markup = models.TextField(default='', blank=True)
bgneal@997 57 long_markup = models.TextField(default='', blank=True)
bgneal@997 58 admin_content = models.TextField(default='', blank=True)
bgneal@997 59 version = models.SmallIntegerField(default=NEWS_VERSION)
gremmie@1 60
bgneal@204 61 class Meta:
bgneal@204 62 abstract = True
bgneal@204 63
bgneal@182 64 def save(self, *args, **kwargs):
bgneal@204 65 if not self.pk:
bgneal@997 66 self.date_submitted = datetime.datetime.now()
bgneal@277 67 self.update_date = self.date_submitted
bgneal@277 68 else:
bgneal@277 69 self.update_date = datetime.datetime.now()
bgneal@204 70
bgneal@1000 71 if self.version >= 2:
bgneal@1000 72 self.short_text = kwargs.pop('short_text', '')
bgneal@1000 73 if not self.short_text and self.short_markup:
bgneal@1000 74 self.short_text = site_markup(self.short_markup)
bgneal@997 75
bgneal@1000 76 self.long_text = kwargs.pop('long_text', '')
bgneal@1000 77 if not self.long_text and self.long_markup:
bgneal@1000 78 self.long_text = site_markup(self.long_markup)
bgneal@997 79
bgneal@997 80 super(StoryBase, self).save(*args, **kwargs)
bgneal@997 81
bgneal@997 82
bgneal@997 83 class PendingStory(StoryBase):
bgneal@997 84 """Stories submitted by users are held pending admin approval"""
gremmie@1 85
bgneal@54 86 def __unicode__(self):
bgneal@54 87 return self.title
gremmie@1 88
bgneal@54 89 class Meta:
bgneal@997 90 ordering = ['-date_submitted']
bgneal@54 91 verbose_name_plural = 'Pending Stories'
gremmie@1 92
gremmie@1 93
bgneal@204 94 class Story(StoryBase):
bgneal@54 95 """Model for news stories"""
bgneal@1001 96 forums_topic = models.OneToOneField('forums.Topic', blank=True, null=True,
bgneal@1001 97 on_delete=models.SET_NULL,
bgneal@1001 98 db_index=False,
bgneal@1001 99 help_text="Forum topic used for comments")
gremmie@1 100
bgneal@54 101 def get_absolute_url(self):
bgneal@1002 102 return reverse('news-story', args=[str(self.id)])
gremmie@1 103
bgneal@54 104 def __unicode__(self):
bgneal@54 105 return self.title
gremmie@1 106
bgneal@54 107 class Meta:
bgneal@997 108 ordering = ['-date_submitted']
bgneal@226 109 verbose_name = 'news story'
bgneal@226 110 verbose_name_plural = 'news stories'
gremmie@1 111
bgneal@54 112 def can_comment_on(self):
bgneal@1001 113 # Only used for version 0 stories
bgneal@54 114 now = datetime.datetime.now()
bgneal@204 115 delta = now - self.date_submitted
bgneal@204 116 return self.allow_comments and delta.days < 30
bgneal@220 117
bgneal@1001 118 def forums_comment_count(self):
bgneal@1001 119 """Returns number of comments for V2 news stories."""
bgneal@1001 120 if self.forums_topic:
bgneal@1001 121 return max(0, self.forums_topic.post_count - 1)
bgneal@1001 122 return 0
bgneal@1001 123
bgneal@220 124 def search_title(self):
bgneal@220 125 return self.title
bgneal@220 126
bgneal@220 127 def search_summary(self):
bgneal@220 128 return u"\n".join((self.short_text, self.long_text))
bgneal@484 129
bgneal@484 130 def ogp_tags(self):
bgneal@484 131 """
bgneal@484 132 Returns a dict of Open Graph Protocol meta tags.
bgneal@484 133
bgneal@484 134 """
bgneal@486 135 desc = self.meta_description.strip()
bgneal@486 136 if not desc:
bgneal@486 137 desc = 'News article submitted by %s on %s.' % (
bgneal@486 138 self.submitter.username,
bgneal@486 139 self.date_submitted.strftime('%B %d, %Y'))
bgneal@486 140
bgneal@484 141 return {
bgneal@484 142 'og:title': self.title,
bgneal@484 143 'og:type': 'article',
bgneal@484 144 'og:url': self.get_absolute_url(),
bgneal@484 145 'og:image': self.category.icon.url,
bgneal@486 146 'og:description': desc,
bgneal@484 147 }