From 2bba8d0d0bbf2e48a795ef101334a23fb565059c Mon Sep 17 00:00:00 2001
From: HYChang <hy.chang@croxera.com>
Date: Mon, 8 Jul 2024 16:55:11 +0800
Subject: [PATCH] Add array support for reqparser

Add missing items for type array.
---
 flask_restx/reqparse.py | 3 +++
 flask_restx/swagger.py  | 6 +++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/flask_restx/reqparse.py b/flask_restx/reqparse.py
index 8461f0ec..6bce216d 100644
--- a/flask_restx/reqparse.py
+++ b/flask_restx/reqparse.py
@@ -11,6 +11,7 @@
 from werkzeug import exceptions
 
 from .errors import abort, SpecsError
+from .fields import List
 from .marshalling import marshal
 from .model import Model
 from ._http import HTTPStatus
@@ -167,6 +168,8 @@ def convert(self, value, op):
 
         elif isinstance(self.type, Model) and isinstance(value, dict):
             return marshal(value, self.type)
+        elif isinstance(self.type, List) and isinstance(value, list):
+            return value
 
         # and check if we're expecting a filestorage and haven't overridden `type`
         # (required because the below instantiation isn't valid for FileStorage)
diff --git a/flask_restx/swagger.py b/flask_restx/swagger.py
index ec0a1975..17ba9ffe 100644
--- a/flask_restx/swagger.py
+++ b/flask_restx/swagger.py
@@ -214,7 +214,11 @@ def build_request_body_parameters_schema(body_params):
 
     properties = {}
     for param in body_params:
-        properties[param["name"]] = {"type": param.get("type", "string")}
+        ptype = param.get("type", "string")
+        if ptype == "array":
+            properties[param["name"]] = {"type": "array", "items": param.get("type", "string")}
+        else:
+            properties[param["name"]] = {"type": param.get("type", "string")}
 
     return {
         "name": "payload",