Merge pull request #752 in RMS/api-main-service from core-dev-red-develop to RMSv2

* commit '151496b8':
  {dev bugfix} remove exclude
  {dev bugfix} code refactor for commit 0ae94a54
  {dev bugfix} bugfix on update of user and application

app/helper/decorators.py

@@ -116,6 +116,10 @@ class rms:
             is_excel_code_exist = self.queryset.filter(
                 excel_code=payload['excel_code']
             )
+            if request.method.lower() == 'put':
+                is_excel_code_exist = is_excel_code_exist.exclude(
+                    code=self.kwargs['code']
+                )
             if is_excel_code_exist:
                 return error_message(
                     '400', "This excel code is already exists",
@@ -130,7 +134,11 @@ class rms:
         @wraps(function)
         def wrapper(self, request, *args, **kwargs):
             payload = request.data
-            username = self.queryset.filter(username=payload['username'])
+            username = self.queryset.filter(
+                username=payload['username']
+            )
+            if request.method.lower() == 'put':
+                username = username.exclude(code=self.kwargs['code'])
             if username.count() >= 1:
                 return error_message(
                     '400',