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1 """
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2 This file contains the core Models used in gpp.
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3 The SiteConfig information is cached in a similar manner to django.contrib.sites.
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4 """
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5
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6 from django.db import models
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7
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8 SITE_CACHE = {}
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9
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10 class SiteConfigManager(models.Manager):
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11 def get_current(self):
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12 """
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13 Returns the current SiteConfig based on the SITE_ID in the
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14 project's settings. The SiteConfig object is cached the first
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15 time it's retrieved from the database.
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16 """
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17 from django.conf import settings
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18 try:
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19 sid = settings.SITE_ID
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20 except AttributeError:
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21 from django.core.exceptions import ImproperlyConfigured
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22 raise ImproperlyConfigured("You're using the Django \"sites framework\" without having set the SITE_ID setting. " +
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23 "Create a site in your database and set the SITE_ID setting to fix this error.")
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24 try:
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25 current_site_config = SITE_CACHE[sid]
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26 except KeyError:
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27 current_site_config = self.get(pk = sid)
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28 SITE_CACHE[sid] = current_site_config
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29 return current_site_config
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30
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31
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32 def clear_cache(self):
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33 """Clears the SiteConfig object cache."""
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34 global SITE_CACHE
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35 SITE_CACHE = {}
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36
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37
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38 class SiteConfig(models.Model):
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39 """model to represent the site's basic configuration and settings"""
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40 site_slogan = models.CharField(max_length = 128, blank = True)
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41 admin_name = models.CharField(max_length = 64)
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42 admin_email = models.EmailField()
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43 date_created = models.DateField()
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44
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45 objects = SiteConfigManager()
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46
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47
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48 def __unicode__(self):
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49 return u'SiteConfig ' + unicode(self.id)
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50
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51
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52 def delete(self):
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53 pk = self.pk
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54 super(SiteConfig, self).delete()
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55 try:
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56 del(SITE_CACHE[pk])
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57 except KeyError:
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58 pass
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59
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60
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61 class DebugLog(models.Model):
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62 '''Model to represent debug logs used during development; arbitary text can be stored'''
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63
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64 LOG_LEVELS = (
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65 (0, 'Not Set'),
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66 (10, 'Debug'),
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67 (20, 'Info'),
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68 (30, 'Warning'),
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69 (40, 'Error'),
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70 (50, 'Critical'),
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71 )
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72
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73 timestamp = models.DateTimeField(auto_now_add = True)
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74 level = models.IntegerField(choices = LOG_LEVELS)
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75 msg = models.TextField()
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76
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77 def __unicode__(self):
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78 return '%s - %s' % (self.timestamp.strftime('%m/%d/%Y %H:%M:%S'),
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79 self.msg[:64])
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80
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81 class Meta:
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82 ordering = ('-timestamp', )
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