1 files changed, 51 insertions, 0 deletions
diff --git a/django/contrib/admin/models.py b/django/contrib/admin/models.py
new file mode 100644
index 0000000000..022d20bed9
--- /dev/null
+++ b/django/contrib/admin/models.py
@@ -0,0 +1,51 @@
+from django.db import models
+from django.contrib.contenttypes.models import ContentType
+from django.contrib.auth.models import User
+from django.utils.translation import gettext_lazy as _
+
+ADDITION = 1
+CHANGE = 2
+DELETION = 3
+
+class LogEntryManager(models.Manager):
+    def log_action(self, user_id, content_type_id, object_id, object_repr, action_flag, change_message=''):
+        e = self.model(None, None, user_id, content_type_id, object_id, object_repr[:200], action_flag, change_message)
+        e.save()
+
+class LogEntry(models.Model):
+    action_time = models.DateTimeField(_('action time'), auto_now=True)
+    user = models.ForeignKey(User)
+    content_type = models.ForeignKey(ContentType, blank=True, null=True)
+    object_id = models.TextField(_('object id'), blank=True, null=True)
+    object_repr = models.CharField(_('object repr'), maxlength=200)
+    action_flag = models.PositiveSmallIntegerField(_('action flag'))
+    change_message = models.TextField(_('change message'), blank=True)
+    objects = LogEntryManager()
+    class Meta:
+        verbose_name = _('log entry')
+        verbose_name_plural = _('log entries')
+        db_table = 'django_admin_log'
+        ordering = ('-action_time',)
+
+    def __repr__(self):
+        return str(self.action_time)
+
+    def is_addition(self):
+        return self.action_flag == ADDITION
+
+    def is_change(self):
+        return self.action_flag == CHANGE
+
+    def is_deletion(self):
+        return self.action_flag == DELETION
+
+    def get_edited_object(self):
+        "Returns the edited object represented by this log entry"
+        return self.content_type.get_object_for_this_type(pk=self.object_id)
+
+    def get_admin_url(self):
+        """
+        Returns the admin URL to edit the object represented by this log entry.
+        This is relative to the Django admin index page.
+        """
+        return "%s/%s/%s/" % (self.content_type.app_label, self.content_type.model, self.object_id)