Implemented inject_dto decorator

api_commons/decorator.py

@@ -0,0 +1,16 @@
+from api_commons.common import ApiResponse
+
+
+def inject_dto(dto_class, dto_object_name: str = 'dto'):
+    def dto_decorator(func):
+        def wrapped(*args, **kwargs):
+            request = args[1]
+            dto_object = dto_class.from_dict(request.data)
+            if not dto_object.is_valid():
+                return ApiResponse.bad_request(dto_object)
+            kwargs[dto_object_name] = dto_object
+            return func(*args, **kwargs)
+
+        return wrapped
+
+    return dto_decorator