P5-4418 validate Pwinty SKU code

api/validators.py

@@ -94,3 +94,22 @@ def validate_territory(*keys):
         return wrapper
 
     return decorator
+
+
+def validate_any_of(key, values):
+    def decorator(f):
+        @wraps(f)
+        def wrapper(*args, **kwargs):
+            _check_parameter_exists(key)
+            value = request.args.get(key)
+            if not value in values:
+                raise ValidationError(
+                    "{} contains an invalid value, must be one of: {}".format(
+                        key, values
+                    )
+                )
+            return f(*args, **kwargs)
+
+        return wrapper
+
+    return decorator