refactor: deleteRefreshToken 메서드 람다활용 문법으로 변경

server/src/main/java/com/ticketing/server/user/application/AuthController.java

@@ -45,10 +45,10 @@ public class AuthController {
 
 	@PostMapping("/logout")
 	public ResponseEntity<LogoutResponse> logout(@AuthenticationPrincipal UserDetails userRequest) {
-		authenticationService.deleteRefreshToken(userRequest.getUsername());
+		LogoutResponse logoutResponse = authenticationService.deleteRefreshToken(userRequest.getUsername());
 
 		return ResponseEntity.status(HttpStatus.OK)
-			.body(LogoutResponse.from(userRequest.getUsername()));
+			.body(logoutResponse);
 	}
 
 	private HttpHeaders getHttpHeaders() {

server/src/main/java/com/ticketing/server/user/application/response/LogoutResponse.java

@@ -1,5 +1,6 @@
 package com.ticketing.server.user.application.response;
 
+import com.ticketing.server.global.redis.RefreshToken;
 import lombok.AccessLevel;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
@@ -8,10 +9,20 @@ import lombok.Getter;
 @AllArgsConstructor(access = AccessLevel.PRIVATE)
 public class LogoutResponse {
 
+	private Long refreshTokenId;
 	private String email;
+	private String refreshToken;
+
+	private LogoutResponse(String email) {
+		this.email = email;
+	}
 
 	public static LogoutResponse from(String email) {
 		return new LogoutResponse(email);
 	}
 
+	public static LogoutResponse from(RefreshToken refreshToken) {
+		return new LogoutResponse(refreshToken.getId(), refreshToken.getEmail(), refreshToken.getToken());
+	}
+
 }

server/src/main/java/com/ticketing/server/user/service/AuthenticationServiceImpl.java

@@ -9,9 +9,9 @@ import com.ticketing.server.global.redis.RefreshRedisRepository;
 import com.ticketing.server.global.redis.RefreshToken;
 import com.ticketing.server.global.security.jwt.JwtProperties;
 import com.ticketing.server.global.security.jwt.JwtProvider;
+import com.ticketing.server.user.application.response.LogoutResponse;
 import com.ticketing.server.user.application.response.TokenDto;
 import com.ticketing.server.user.service.interfaces.AuthenticationService;
-import java.util.Optional;
 import lombok.RequiredArgsConstructor;
 import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
 import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
@@ -82,15 +82,12 @@ public class AuthenticationServiceImpl implements AuthenticationService {
 
 	@Override
 	@Transactional
-	public boolean deleteRefreshToken(String email) {
-		Optional<RefreshToken> findTokenEntity = refreshRedisRepository.findByEmail(email);
-
-		if (findTokenEntity.isPresent()) {
-			refreshRedisRepository.delete(findTokenEntity.get());
-			return true;
-		}
-
-		return false;
+	public LogoutResponse deleteRefreshToken(String email) {
+		return refreshRedisRepository.findByEmail(email)
+			.map(tokenDto -> {
+				refreshRedisRepository.delete(tokenDto);
+				return LogoutResponse.from(tokenDto);
+			}).orElseGet(() -> LogoutResponse.from(email));
 	}
 
 	private String resolveToken(String bearerToken) {

server/src/main/java/com/ticketing/server/user/service/interfaces/AuthenticationService.java

@@ -1,5 +1,6 @@
 package com.ticketing.server.user.service.interfaces;
 
+import com.ticketing.server.user.application.response.LogoutResponse;
 import com.ticketing.server.user.application.response.TokenDto;
 import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
 
@@ -9,6 +10,6 @@ public interface AuthenticationService {
 
 	TokenDto reissueTokenDto(String bearerRefreshToken);
 
-	boolean deleteRefreshToken(String email);
+	LogoutResponse deleteRefreshToken(String email);
 
 }