added validation on cms User Priviledges dont allow same department under same company

app/applicationlayer/cms/allowed_company/views.py

@@ -84,10 +84,12 @@ class AllowedCompanyViewSet(viewsets.ModelViewSet):
             return Response(message, status=status.HTTP_400_BAD_REQUEST)
 
         except Exception as e:
+            print('ddd')
+            error = 'adding the same departments under same Company is not allowed'
             message = {
                 'code': 500,
                 'status': 'failed',
-                'message': 'Request was not able to process' + str(e),
+                'message': error,
             }
-            return Response(str(e),
+            return Response(message,
                             status=status.HTTP_500_INTERNAL_SERVER_ERROR)

app/entities/migrations/0025_auto_20191022_1717.py

+# Generated by Django 2.2 on 2019-10-22 17:17
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('entities', '0024_auto_20191022_1433'),
+    ]
+
+    operations = [
+        migrations.AlterUniqueTogether(
+            name='allowedcompany',
+            unique_together={('company_pivot', 'group_pivots')},
+        ),
+    ]

app/entities/migrations/0026_auto_20191022_1726.py

+# Generated by Django 2.2 on 2019-10-22 17:26
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('entities', '0025_auto_20191022_1717'),
+    ]
+
+    operations = [
+        migrations.AlterUniqueTogether(
+            name='allowedcompany',
+            unique_together={('company_pivot', 'group_pivots', 'id_number')},
+        ),
+    ]

app/entities/models.py

@@ -1027,6 +1027,7 @@ class AllowedCompany(models.Model):
 
     class Meta:
         db_table = 'allowed_company'
+        unique_together = ['company_pivot', 'group_pivots', 'id_number']
 
 
 class ReminderTrigger(models.Model):