old_contents: # Copyright (c) 2013 AnsibleWorks, Inc.
  # All Rights Reserved.
  
  
  from django.db import models
  
  class ActivityStream(models.Model):
      '''
      Model used to describe activity stream (audit) events
      '''
      OPERATION_CHOICES = [
          ('create', _('Entity Created')),
          ('update', _("Entity Updated")),
          ('delete', _("Entity Deleted")),
          ('associate', _("Entity Associated with another Entity")),
          ('disaassociate', _("Entity was Disassociated with another Entity"))
      ]
  
      user = models.ForeignKey('auth.User', null=True, on_delete=models.SET_NULL)
      operation = models.CharField(max_length=9, choices=OPERATION_CHOICES)
      timestamp = models.DateTimeField(auto_now_add=True)
      changes = models.TextField(blank=True)
  
      object1_id = models.PositiveIntegerField(db_index=True)
      object1_type = models.TextField()
  
      object2_id = models.PositiveIntegerField(db_index=True)
      object2_type = models.TextField()
  
      object_relationship_type = models.TextField()
  
new_contents: # Copyright (c) 2013 AnsibleWorks, Inc.
  # All Rights Reserved.
  
  
  from django.db import models
  from django.utils.translation import ugettext_lazy as _
  
  class ActivityStream(models.Model):
      '''
      Model used to describe activity stream (audit) events
      '''
  
      class Meta:
          app_label = 'main'
  
      OPERATION_CHOICES = [
          ('create', _('Entity Created')),
          ('update', _("Entity Updated")),
          ('delete', _("Entity Deleted")),
          ('associate', _("Entity Associated with another Entity")),
          ('disaassociate', _("Entity was Disassociated with another Entity"))
      ]
  
      user = models.ForeignKey('auth.User', null=True, on_delete=models.SET_NULL, related_name='activity_stream')
      operation = models.CharField(max_length=9, choices=OPERATION_CHOICES)
      timestamp = models.DateTimeField(auto_now_add=True)
      changes = models.TextField(blank=True)
  
      object1_id = models.PositiveIntegerField(db_index=True)
      object1_type = models.TextField()
  
      object2_id = models.PositiveIntegerField(db_index=True, null=True)
      object2_type = models.TextField(null=True, blank=True)
  
      object_relationship_type = models.TextField(blank=True)
  
subject: Fix up some issues with supporting schema migration