Merge pull request #230 in RMS/api-main-service from red-develop to RMSv2

* commit '83dbb677':
  added unique_together on department

app/entities/migrations/0007_auto_20191001_1113.py

+# Generated by Django 2.2 on 2019-10-01 11:13
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('entities', '0006_auto_20191001_1024'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='changerequestformheader',
+            options={},
+        ),
+        migrations.AlterUniqueTogether(
+            name='department',
+            unique_together={('company', 'name')},
+        ),
+    ]

app/entities/models.py

@@ -130,6 +130,8 @@ class Department(AuditClass):
 
     class Meta:
         db_table = 'departments'
+        unique_together = ['company', 'name']
+        
 
     def __str__(self):
         return f'{self.name}'
@@ -706,7 +708,6 @@ class ChangeRequestFormHeader(BaseHeader):
 
     class Meta:
         db_table = 'change_request_form_headers'
-        ordering = ['-created']
     
     def __str__(self):
         return f'{self.form_code}'