feat(core): Add model instance to history object during history creation

ref: #772 #759

app/access/tests/unit/tenancy_abstract/conftest.py

@@ -7,8 +7,4 @@ from access.models.tenancy_abstract import TenancyAbstractModel
 @pytest.fixture( scope = 'class')
 def model(request):
 
-    request.cls.model = TenancyAbstractModel
+    yield TenancyAbstractModel
-
-    yield request.cls.model
-
-    del request.cls.model

app/access/tests/unit/tenancy_abstract/test_unit_tenancy_abstract_model.py

@@ -1,12 +1,7 @@
-# import inspect
+import inspect
 import pytest
-# import rest_framework
 
 from django.db import models
-# from django.core.exceptions import (
-#     ValidationError
-# )
-# from django.utils.timezone import now
 
 from centurion.tests.unit_models import ModelTestCases
 

app/core/signal/audit_history.py

@@ -15,7 +15,7 @@ def audit_history(sender, instance, **kwargs):
 
     if getattr(instance, '_audit_enabled', False):
 
-        audit_model = apps.get_model( instance._meta.object_name + 'AuditHistory')
+        audit_model = apps.get_model( instance._meta.app_label, instance._meta.object_name + 'AuditHistory')
 
         audit_action = audit_model.Actions.UPDATE
 
@@ -34,8 +34,7 @@ def audit_history(sender, instance, **kwargs):
                 app_label = instance._meta.app_label,
                 model = instance._meta.model_name,
             ),
-            before = instance.get_before(),
-            after = instance.get_after(),
             action = audit_action,
-            user = get_request().user
+            user = get_request().user,
+            model = instance,
         )