From 8608103c9fd741a6172cc152c9b58d1031c8d681 Mon Sep 17 00:00:00 2001
From: William Cheng <wing328hk@gmail.com>
Date: Tue, 5 Sep 2023 20:03:27 +0800
Subject: [PATCH] add name mapping features to lua client generator (#16511)

---
 bin/configs/lua.yaml                              |  2 ++
 .../codegen/languages/LuaClientCodegen.java       | 15 +++++++++++++++
 .../client/petstore/lua/petstore/model/user.lua   |  4 ++--
 3 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/bin/configs/lua.yaml b/bin/configs/lua.yaml
index 280cf32e741..0114d8eb793 100644
--- a/bin/configs/lua.yaml
+++ b/bin/configs/lua.yaml
@@ -4,3 +4,5 @@ inputSpec: modules/openapi-generator/src/test/resources/3_0/petstore.yaml
 templateDir: modules/openapi-generator/src/main/resources/lua
 additionalProperties:
   packageName: petstore
+nameMappings:
+  phone: mobile
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/LuaClientCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/LuaClientCodegen.java
index 0c525dae653..81037ee6dcd 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/LuaClientCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/LuaClientCodegen.java
@@ -239,6 +239,11 @@ public class LuaClientCodegen extends DefaultCodegen implements CodegenConfig {
 
     @Override
     public String toVarName(String name) {
+        // obtain the name from nameMapping directly if provided
+        if (nameMapping.containsKey(name)) {
+            return nameMapping.get(name);
+        }
+
         // replace - with _ e.g. created-at => created_at
         name = sanitizeName(name.replaceAll("-", "_"));
 
@@ -263,6 +268,11 @@ public class LuaClientCodegen extends DefaultCodegen implements CodegenConfig {
 
     @Override
     public String toParamName(String name) {
+        // obtain the name from parameterNameMapping directly if provided
+        if (parameterNameMapping.containsKey(name)) {
+            return parameterNameMapping.get(name);
+        }
+
         return toVarName(name);
     }
 
@@ -273,6 +283,11 @@ public class LuaClientCodegen extends DefaultCodegen implements CodegenConfig {
 
     @Override
     public String toModelFilename(String name) {
+        // obtain the name from modelNameMapping directly if provided
+        if (modelNameMapping.containsKey(name)) {
+            return modelNameMapping.get(name);
+        }
+
         if (!StringUtils.isEmpty(modelNamePrefix)) {
             name = modelNamePrefix + "_" + name;
         }
diff --git a/samples/client/petstore/lua/petstore/model/user.lua b/samples/client/petstore/lua/petstore/model/user.lua
index ae0b97969d1..16f98468571 100644
--- a/samples/client/petstore/lua/petstore/model/user.lua
+++ b/samples/client/petstore/lua/petstore/model/user.lua
@@ -19,7 +19,7 @@ local function cast_user(t)
 	return setmetatable(t, user_mt)
 end
 
-local function new_user(id, username, first_name, last_name, email, password, phone, user_status)
+local function new_user(id, username, first_name, last_name, email, password, mobile, user_status)
 	return cast_user({
 		["id"] = id;
 		["username"] = username;
@@ -27,7 +27,7 @@ local function new_user(id, username, first_name, last_name, email, password, ph
 		["lastName"] = last_name;
 		["email"] = email;
 		["password"] = password;
-		["phone"] = phone;
+		["phone"] = mobile;
 		["userStatus"] = user_status;
 	})
 end