python/lib/django-0.96/django/contrib/admin/models.py

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