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@987
|
21 return Story.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 }
|