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1 """
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2 Models for the news application.
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3 """
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4
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5 import datetime
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6 from django.db import models
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7 from django.contrib.auth.models import User
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8 from django.core.cache import cache
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9 from tagging.fields import TagField
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10
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11
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12 class Category(models.Model):
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13 """News stories belong to categories"""
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14 title = models.CharField(max_length = 64)
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15 icon = models.ImageField(upload_to='news/categories/', blank=True)
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16
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17 def __unicode__(self):
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18 return self.title
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19
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20 def num_stories(self):
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21 return News.objects.filter(category = self.pk).count()
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22
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23 class Meta:
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24 verbose_name_plural = 'Categories'
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25 ordering = ('title', )
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26
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27
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28 class PendingStory(models.Model):
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29 """Stories submitted by users are held pending admin approval"""
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30 title = models.CharField(max_length=255)
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31 submitter = models.ForeignKey(User)
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32 category = models.ForeignKey(Category)
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33 short_text = models.TextField()
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34 long_text = models.TextField(blank=True)
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35 date_submitted = models.DateTimeField(auto_now_add=True, db_index=True)
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36 allow_comments = models.BooleanField(default=True)
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37 approved = models.BooleanField(default=False)
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38 tags = TagField()
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39
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40 def save(self, force_insert = False, force_update = False):
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41 if self.approved:
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42 Story.objects.create(title=self.title,
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43 submitter=self.submitter,
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44 category=self.category,
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45 short_text=self.short_text,
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46 long_text=self.long_text,
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47 allow_comments=self.allow_comments,
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48 date_published=datetime.datetime.now(),
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49 tags=self.tags)
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50 self.delete()
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51 cache.delete('home_news')
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52 else:
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53 super(PendingStory, self).save(force_insert, force_update)
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54
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55 def __unicode__(self):
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56 return self.title
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57
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58 class Meta:
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59 ordering = ('-date_submitted', )
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60 verbose_name_plural = 'Pending Stories'
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61
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62
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63 class Story(models.Model):
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64 """Model for news stories"""
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65 title = models.CharField(max_length=255)
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66 submitter = models.ForeignKey(User)
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67 category = models.ForeignKey(Category)
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68 short_text = models.TextField()
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69 long_text = models.TextField(blank=True)
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70 allow_comments = models.BooleanField(default=True)
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71 date_published = models.DateTimeField(db_index=True)
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72 tags = TagField()
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73
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74 @models.permalink
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75 def get_absolute_url(self):
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76 return ('news.views.story', [str(self.id)])
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77
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78 def __unicode__(self):
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79 return self.title
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80
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81 class Meta:
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82 ordering = ('-date_published', )
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83 verbose_name_plural = 'Stories'
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84
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85 def can_comment_on(self):
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86 now = datetime.datetime.now()
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87 delta = now - self.date_published
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88 return delta.days < 30
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89
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90 def save(self, force_insert=False, force_update=False):
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91 super(Story, self).save(force_insert, force_update)
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92 cache.delete('home_news')
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93
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