Source Code for Module django.contrib.admin.models

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