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[auf_framonde.git] / eggs / Django-1.4.5-py2.7.egg / django / contrib / admin / models.py
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1from django.db import models
2from django.contrib.contenttypes.models import ContentType
3from django.contrib.auth.models import User
4from django.contrib.admin.util import quote
5from django.utils.translation import ugettext_lazy as _
6from django.utils.encoding import smart_unicode
7from django.utils.safestring import mark_safe
8
9ADDITION = 1
10CHANGE = 2
11DELETION = 3
12
13class LogEntryManager(models.Manager):
14 def log_action(self, user_id, content_type_id, object_id, object_repr, action_flag, change_message=''):
15 e = self.model(None, None, user_id, content_type_id, smart_unicode(object_id), object_repr[:200], action_flag, change_message)
16 e.save()
17
18class LogEntry(models.Model):
19 action_time = models.DateTimeField(_('action time'), auto_now=True)
20 user = models.ForeignKey(User)
21 content_type = models.ForeignKey(ContentType, blank=True, null=True)
22 object_id = models.TextField(_('object id'), blank=True, null=True)
23 object_repr = models.CharField(_('object repr'), max_length=200)
24 action_flag = models.PositiveSmallIntegerField(_('action flag'))
25 change_message = models.TextField(_('change message'), blank=True)
26
27 objects = LogEntryManager()
28
29 class Meta:
30 verbose_name = _('log entry')
31 verbose_name_plural = _('log entries')
32 db_table = 'django_admin_log'
33 ordering = ('-action_time',)
34
35 def __repr__(self):
36 return smart_unicode(self.action_time)
37
38 def __unicode__(self):
39 if self.action_flag == ADDITION:
40 return _('Added "%(object)s".') % {'object': self.object_repr}
41 elif self.action_flag == CHANGE:
42 return _('Changed "%(object)s" - %(changes)s') % {'object': self.object_repr, 'changes': self.change_message}
43 elif self.action_flag == DELETION:
44 return _('Deleted "%(object)s."') % {'object': self.object_repr}
45
46 return _('LogEntry Object')
47
48 def is_addition(self):
49 return self.action_flag == ADDITION
50
51 def is_change(self):
52 return self.action_flag == CHANGE
53
54 def is_deletion(self):
55 return self.action_flag == DELETION
56
57 def get_edited_object(self):
58 "Returns the edited object represented by this log entry"
59 return self.content_type.get_object_for_this_type(pk=self.object_id)
60
61 def get_admin_url(self):
62 """
63 Returns the admin URL to edit the object represented by this log entry.
64 This is relative to the Django admin index page.
65 """
66 if self.content_type and self.object_id:
67 return mark_safe(u"%s/%s/%s/" % (self.content_type.app_label, self.content_type.model, quote(self.object_id)))
68 return None