feat(devops): Add devops module to installed applications

ref: #662 #656

app/access/models/tenancy.py

@@ -180,7 +180,7 @@ class TenancyObject(SaveHistory):
             None: No application namespace found.
         """
 
-        app_namespace = None
+        app_namespace = ''
 
         if self.app_namespace:
 

app/api/react_ui_metadata.py

@@ -83,6 +83,12 @@ class ReactUIMetadata(OverRideJSONAPIMetadata):
 
         url_self = None
 
+        app_namespace = ''
+
+        if getattr(view, 'model', None):
+
+            app_namespace = view.model().get_app_namespace()
+
 
         if view.kwargs.get('pk', None) is not None:
 
@@ -95,11 +101,11 @@ class ReactUIMetadata(OverRideJSONAPIMetadata):
 
         elif view.kwargs:
 
-            url_self = reverse('v2:' + view.model().get_app_namespace() + view.basename + '-list', request = view.request, kwargs = view.kwargs )
+            url_self = reverse('v2:' + app_namespace + view.basename + '-list', request = view.request, kwargs = view.kwargs )
 
         else:
 
-            url_self = reverse('v2:' + view.model().get_app_namespace() + view.basename + '-list', request = view.request )
+            url_self = reverse('v2:' + app_namespace + view.basename + '-list', request = view.request )
 
         if url_self:
 

app/app/settings.py

@@ -134,6 +134,7 @@ INSTALLED_APPS = [
     'drf_spectacular_sidecar',
     'config_management.apps.ConfigManagementConfig',
     'project_management.apps.ProjectManagementConfig',
+    'devops.apps.DevOpsConfig',
 ]
 
 MIDDLEWARE = [