[FEAT] #15 유저 정보 반환 로직 구현

src/main/java/com/example/be/service/UserServiceImpl.java

@@ -4,6 +4,7 @@
 import com.example.be.apiPayload.exception.handler.UserHandler;
 import com.example.be.domain.RefreshToken;
 import com.example.be.domain.User;
+import com.example.be.domain.enums.LoginType;
 import com.example.be.repository.RefreshTokenRepository;
 import com.example.be.repository.UserRepository;
 import com.example.be.web.dto.CommonDTO;

src/main/java/com/example/be/web/controller/UserController.java

@@ -1,21 +1,36 @@
 package com.example.be.web.controller;
 
 import com.example.be.apiPayload.ApiResponse;
+import com.example.be.apiPayload.code.status.ErrorStatus;
+import com.example.be.apiPayload.exception.handler.UserHandler;
+import com.example.be.domain.User;
+import com.example.be.repository.UserRepository;
+import com.example.be.service.JwtUtilServiceImpl;
 import com.example.be.service.UserServiceImpl;
 import com.example.be.web.dto.CommonDTO;
 import com.example.be.web.dto.UserDTO;
+import io.jsonwebtoken.Claims;
+import io.jsonwebtoken.Jwts;
 import io.swagger.v3.oas.annotations.Hidden;
 import io.swagger.v3.oas.annotations.Operation;
+import jakarta.servlet.http.Cookie;
+import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
 import lombok.RequiredArgsConstructor;
+import org.springframework.boot.actuate.autoconfigure.metrics.SystemMetricsAutoConfiguration;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
+import java.util.UUID;
+
 @RestController
 @RequestMapping("/user")
 @RequiredArgsConstructor
 public class UserController {
     private final UserServiceImpl userService;
+    private final SystemMetricsAutoConfiguration systemMetricsAutoConfiguration;
+    private final JwtUtilServiceImpl jwtUtilServiceImpl;
+    private final UserRepository userRepository;
 
     @Hidden
     @GetMapping("/socialLogin")
@@ -41,4 +56,41 @@ public ApiResponse<CommonDTO.IsSuccessDTO> login(@RequestBody UserDTO.LoginReque
         return ApiResponse.onSuccess(userService.login(request, response));
     }
 
+    @PostMapping("/info")
+    @Operation(summary = "유저 정보 반환 API")
+    public ApiResponse<UserDTO.UserResponseDto> userInfo(HttpServletRequest request) {
+        String accessToken = null;
+        Cookie[] cookies = request.getCookies();
+
+        if(cookies != null) {
+            for(Cookie cookie : cookies) {
+                if(cookie.getName().equals("accessToken")) {
+                    accessToken = cookie.getValue();
+                }
+            }
+        }
+        System.out.println(accessToken);
+
+        // 토큰이 없는 경우 처리
+        if(accessToken == null) {
+            throw new UserHandler(ErrorStatus._NOT_FOUND_USER);
+        }
+
+        // 토큰에서 사용자 ID 추출
+        String userId = jwtUtilServiceImpl.getUserIdFromToken(accessToken);
+
+        // 사용자 정보 조회
+        User user = userRepository.findByUserId(UUID.fromString(userId))
+                .orElseThrow(() -> new UserHandler(ErrorStatus._NOT_FOUND_USER));
+
+        // UserResponseDto로 변환하여 반환
+        UserDTO.UserResponseDto userResponseDto = UserDTO.UserResponseDto.builder()
+                .userId(user.getId())
+                .userName(user.getName())
+                .email(user.getEmail())
+                .loginType(user.getProvider())
+                .build();
+
+        return ApiResponse.onSuccess(userResponseDto); }
+
 }

src/main/java/com/example/be/web/dto/UserDTO.java

@@ -15,7 +15,7 @@ public class UserDTO {
     public static class UserResponseDto {
         private Long userId;
         private String userName;
-        private LoginType loginType;
+        private String loginType;
         private String email;
     }