Fix duplicate key error, resolve #589

app/server/management/commands/create_roles.py

@@ -13,11 +13,13 @@ class Command(BaseCommand):
         except KeyError as key_error:
             self.stderr.write(self.style.ERROR(f'Missing Key: "{key_error}"'))
         for role_name in role_names:
+            if Role.objects.filter(name=role_name).exists():
+                continue
             role = Role()
             role.name = role_name
             try:
                 role.save()
             except DatabaseError as db_error:
-                self.stderr.write(self.style.ERROR(f'Datbase Error: "{db_error}"'))
+                self.stderr.write(self.style.ERROR(f'Database Error: "{db_error}"'))
             else:
                 self.stdout.write(self.style.SUCCESS(f'Role created successfully "{role_name}"'))