From 55119b7004fb0043d2793bf3ffe4e5ea9a511ff4 Mon Sep 17 00:00:00 2001
From: hightuv <hightuv@gmail.com>
Date: Sun, 24 Mar 2024 23:02:07 +0900
Subject: [PATCH] =?UTF-8?q?:sparkles:=20feat:=20LoginController=EC=97=90?=
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- 로그인, 회원가입 로직 추가
- BindingResult를 사용하여 Error 필드 활용
- 오류가 있을 시, thymeleaf와의 연계로 뷰에 에러 메시지를 출력할 수 있음
- 특정 로직 수행 시 어떤 화면으로 가야할 지 지정해둠
- 조금 번잡해서 추후 리팩토링 필요할 수 있음
---
 .../WebOrder/controller/LoginController.java  | 51 ++++++++++++++-----
 1 file changed, 37 insertions(+), 14 deletions(-)

diff --git a/src/main/java/com/example/WebOrder/controller/LoginController.java b/src/main/java/com/example/WebOrder/controller/LoginController.java
index 237cff0720..453b3892fd 100644
--- a/src/main/java/com/example/WebOrder/controller/LoginController.java
+++ b/src/main/java/com/example/WebOrder/controller/LoginController.java
@@ -1,20 +1,28 @@
 package com.example.WebOrder.controller;
 
-import com.example.WebOrder.dto.LoginDto;
-import com.example.WebOrder.dto.RegisterDto;
+import com.example.WebOrder.dto.LoginFormDto;
+import com.example.WebOrder.dto.UserFormDto;
+import com.example.WebOrder.entity.User;
 import com.example.WebOrder.service.LoginService;
+import jakarta.validation.Valid;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.stereotype.Controller;
+import org.springframework.validation.BindingResult;
+import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PostMapping;
 
 @Slf4j
 @Controller
 public class LoginController {
     private final LoginService loginService;
+    private final PasswordEncoder passwordEncoder;
 
-    public LoginController(LoginService loginService) {
+    public LoginController(LoginService loginService, PasswordEncoder passwordEncoder) {
         this.loginService = loginService;
+        this.passwordEncoder = passwordEncoder;
     }
 
     @GetMapping("/index")
@@ -22,41 +30,56 @@ public String getIndex(){
         return "/html/index";
     }
     @GetMapping("/login")
-    public String getLoginForm(){
+    public String getLoginForm(@ModelAttribute("loginFormDto") LoginFormDto dto){
         log.info("로그인 폼 소환");
-        return "/html/login";
+        return "html/loginForm";
     }
 
     @PostMapping("/login")
-    public String login(LoginDto dto){
+    public String login(@Valid @ModelAttribute ("loginFormDto") LoginFormDto dto, BindingResult bindingResult){
         log.info("로그인 시도");
         if (loginService.isLoginAttemptValid(dto)){
             log.info("로그인 성공");
-            return "/html/index";
+            return "html/index";
         }
         else {
             log.info("로그인 실패");
-            return "redirect:/login?error=true";
+            bindingResult.reject("loginFail", "아이디 또는 비밀번호가 맞지 않습니다.");
+            return "html/loginForm";
         }
     }
 
     @GetMapping("/register")
-    public String getRegisterForm(){
+    public String registerForm(@ModelAttribute("userFormDto") UserFormDto dto) {
         log.info("회원가입 폼 소환");
-        return "/html/register";
+        return "html/registerForm";
     }
 
     @PostMapping("/register")
-    public String register(RegisterDto dto){
+    public String register(@Valid UserFormDto dto, BindingResult bindingResult){
         log.info("회원가입 시도");
-        if (loginService.usernameExists(dto.getUsername())){
+        if (bindingResult.hasErrors()) {
+            log.info("회원가입 실패");
+            return "html/registerForm";
+        }
+
+        if (loginService.findByUsername(dto.getUsername()).isPresent()){
             log.info("username 중복");
             return "redirect:/register?error=true";
         }
+
+        if (!dto.getPassword().equals(dto.getPasswordCheck())) {
+            bindingResult.rejectValue("passwordCheck", "passwordNotSame", "비밀번호를 다시 확인해주세요.");
+            return "html/registerForm";
+        }
         else {
             log.info("회원가입 성공");
-            loginService.createUser(dto);
-            return "redirect:/login";
+            User user = new User();
+            user.setUsername(dto.getUsername());
+            user.setPassword(passwordEncoder.encode(dto.getPassword()));
+            user.setName(dto.getName());
+            loginService.join(user);
+            return "redirect:/";
         }
     }
 }