회원가입, 로그인 만들어 보기(JWT 만들기 전)

 학습 목표

1. 폴더 구조 잡기
2. UserController 생성
3. UserDTO 생성
4. UserService 생성
5. UserRepository 생성
6. UserEntity 생성
7. scr/main/resources/user.xml 생성

 

user.xml

http://mybatis.org/dtd/mybatis-3-mapper.dtd>">


    
        INSERT INTO users (username, email, password) VALUES (#{username}, #{email}, #{password})
        SELECT userId, username, email
        FROM users
        WHERE email = #{email} AND password = #{password}
    

package com.tencoding.todo.controller;

import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import com.tencoding.todo.dto.UserDTO;
import com.tencoding.todo.repository.entity.UserEntity;
import com.tencoding.todo.service.UserService;

@RestController
@RequestMapping("/user")
public class UserController {
	
	
	private final UserService userService;
	
	public UserController(UserService userService) {
		this.userService = userService;
	}
	
	// 주소 설계 
	// 회원 가입 요청 -- form, HTTP Message body
	@PostMapping("/sign-up")
	public ResponseEntity<?> signUp(@RequestBody UserDTO userDTO) {
		// 데이터 유효성 검사- 생략  
		int result = userService.signUp(userDTO); // 201 , 200, 404  
		return ResponseEntity.status(HttpStatus.CREATED).body(result);
	}  
	
	// 로그인 요청 --> 보안상 이유
	@PostMapping("/sign-in")
	public ResponseEntity<?> signin(@RequestBody UserDTO userDTO) {
		
		UserEntity user = userService.signin(userDTO);
		// 세션 처리 ---> JWT 
		if(user != null) {
			return new ResponseEntity<>(user, HttpStatus.OK);
		} else {
			return new ResponseEntity<>("로그인 실패", HttpStatus.UNAUTHORIZED);
		}
	}
	
	
}