refactor(env and controllers): 优化环境变量配置和用户控制器逻辑

- 添加 NODE_ENV 环境变量以指定开发环境
- 重构 httpStatus.js 文件的模块导出方式
- 修正用户控制器中的错误处理和消息返回
- 统一使用 messages 对象替代 successMessages
- 增加登录功能中的错误日志记录

.env

@@ -1,3 +1,4 @@
+NODE_ENV=development
 MONGO_ACCOUNT=mongo_yNWy6K
 MONGO_PASSWORD=mongo_pPGmE3
 SESSION_SECRET=secret

common/constant/httpStatus.js

@@ -67,4 +67,4 @@ const HTTP_STATUS = {
   GATEWAY_TIMEOUT: 504
 }
 
-module.exports = HTTP_STATUS
+module.exports = { HTTP_STATUS }

controllers/userController.js

@@ -37,7 +37,7 @@ exports.createUser = [
     try {
       const user = req.body
       await userService.create_user(user)
-      return FetchResult.formatResult(res, HTTP_STATUS.CREATED, successMessages.user.created)
+      return FetchResult.formatResult(res, HTTP_STATUS.CREATED, messages.user.created)
     } catch (err) {
       logger('Error creating user: ', err)
       if (err.message === messages.user.already_exists) {
@@ -77,11 +77,14 @@ exports.login = [
 
       const user = await userService.login(account, password)
       req.session.user = user
-      return FetchResult.formatResult(res, 200, successMessages.user.login)
+      return FetchResult.formatResult(res, 200, messages.user.login)
     } catch (err) {
       if (err.message === messages.user.not_found) {
         return FetchResult.formatResult(res, 401, messages.user.account_password_not_match)
       }
+
+      logger('Error logging in: ', err)
+
       return FetchResult.formatResult(
         res,
         HTTP_STATUS.INTERNAL_SERVER_ERROR,
@@ -100,7 +103,7 @@ exports.getUserExist = async (req, res) => {
     if (!exist) {
       return FetchResult.formatResult(res, 404, messages.user.not_found)
     }
-    return FetchResult.formatResult(res, 200, successMessages.user.exist)
+    return FetchResult.formatResult(res, 200, messages.user.exist)
   } catch (err) {
     logger('Error checking user existence: ', err)
     return FetchResult.formatResult(res, HTTP_STATUS.INTERNAL_SERVER_ERROR, 'Internal server error')