From b6836876b79e8c2d33a27199156969afc0c93b04 Mon Sep 17 00:00:00 2001
From: Capella42 <83754482+Capella42@users.noreply.github.com>
Date: Wed, 7 Dec 2022 18:47:13 +0900
Subject: [PATCH] =?UTF-8?q?=EC=9D=B4=EC=83=81=ED=98=81-=EA=B3=BC=EC=A0=9C?=
 =?UTF-8?q?=20=EC=A0=9C=EC=B6=9C?=
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제출합니다
---
 middlewares/config/jwtOption.js |  6 ++---
 package-lock.json               |  2 +-
 routes/user.js                  | 47 +++++++++++++++++++++++++++++++--
 3 files changed, 49 insertions(+), 6 deletions(-)

diff --git a/middlewares/config/jwtOption.js b/middlewares/config/jwtOption.js
index cbbe8e1..0616ff6 100644
--- a/middlewares/config/jwtOption.js
+++ b/middlewares/config/jwtOption.js
@@ -1,13 +1,13 @@
 module.exports = {
-  secretKey: '임강준현영구', // 원하는 시크릿 
+  secretKey: 'Capella', // 원하는 시크릿 
   options: {
       algorithm: "HS256", // 해싱 알고리즘
       expiresIn: "1h",  // 토큰 유효 기간
-      issuer: "dokdogalmaegi" // 발행자
+      issuer: "LeeSangHuck" // 발행자
   },
   refreshTokenOptions: {
       algorithm: "HS256", // 해싱 알고리즘
       expiresIn: "14d",  // 토큰 유효 기간
-      issuer: "dokdogalmaegi" // 발행자
+      issuer: "LeeSangHuck" // 발행자
   }
 }
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 7eba578..e4bf3de 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,5 +1,5 @@
 {
-  "name": "ExpressLearn",
+  "name": "Chat-Back",
   "version": "1.0.0",
   "lockfileVersion": 2,
   "requires": true,
diff --git a/routes/user.js b/routes/user.js
index 3461acf..345e97d 100644
--- a/routes/user.js
+++ b/routes/user.js
@@ -114,8 +114,51 @@ router.post('/signIn', async (req, res) => {
 });
 
 // 1. 임의 User의 name을 바꾸는 API를 구현하시면 됩니다.
-router.post('/changeUsername', authUtil, async (req, res) => {
-  return res.json(util.success('test', 'test', 'test'));
+router.post("/changeUsername", authUtil, async (req, res) => {
+
+  const id = req.body;
+  const changeUsername = req.body;
+  const user = await User.findOne({ id });
+
+  try {
+    if (!id) {
+      throw USER_ID;
+    } else if (!changeUsername) {
+      throw changeUsername;
+    }
+
+    if (!user) {
+      throw NOT_EXISTS_USER;
+    }
+
+    await User.updateOne({ id: user.id }, { $set: { name: changeUsername } });
+
+    return res.json(
+      util.success("SUCCESS_CHANGE_USER_NAME", "Success change user name!")
+    );
+  } catch ({ code, message }) {
+    switch (code) {
+      case USER_ID.code:
+        return res.json(util.fail(USER_ID.code, USER_ID.message));
+
+      case USER_PASSWORD.code:
+        return res.json(util.fail(USER_PASSWORD.code, USER_PASSWORD.message));
+        
+      case NOT_EXISTS_USER.code:
+        return res.json(
+          util.fail(NOT_EXISTS_USER.code, NOT_EXISTS_USER.message)
+        );
+      case IN_KOREAN.code:
+        return res.json(util.fail(IN_KOREAN.code, IN_KOREAN.message));
+
+      case EXISTS_ID.code:
+        return res.json(util.fail(EXISTS_ID.code, EXISTS_ID.message));
+        
+      default:
+        console.log(message);
+        return res.json(util.fail(OTHER.code, OTHER.message));
+    }
+  }
 });
 
 module.exports = router;
\ No newline at end of file