feat: 권한변경 API 구현

README.md

@@ -37,7 +37,6 @@
 - [패키지 구조](https://github.com/f-lab-edu/Ticketing/wiki#-%ED%8C%A8%ED%82%A4%EC%A7%80-%EA%B5%AC%EC%A1%B0)
 - [Use Case](https://github.com/f-lab-edu/Ticketing/wiki/Use-Case)
 - [Prototype](https://github.com/f-lab-edu/Ticketing/wiki/Prototype)
-- [Issue Posting](https://github.com/f-lab-edu/Ticketing/wiki/Issue-Posting)
 
 <br/>
 

server/src/main/java/com/ticketing/server/global/exception/ErrorCode.java

@@ -33,8 +33,7 @@ public enum ErrorCode {
 	DUPLICATE_EMAIL(CONFLICT, "이메일이 이미 존재합니다."),
 	DUPLICATE_PAYMENT(CONFLICT, "해당 좌석은 현재 판매된 좌석입니다."),
 	DUPLICATE_MOVIE(CONFLICT, "해당 영화 정보가 이미 존재합니다."),
-	DELETED_EMAIL(CONFLICT, "이미 삭제된 이메일 입니다."),
-	DELETED_MOVIE(CONFLICT, "이미 삭제된 영화 입니다.");
+	DELETED_EMAIL(CONFLICT, "이미 삭제된 이메일 입니다.");
 
 	private final HttpStatus httpStatus;
 	private final String detail;
@@ -99,8 +98,4 @@ public enum ErrorCode {
 		throw new TicketingException(DELETED_EMAIL);
 	}
 
-	public static TicketingException throwDeletedMovie() {
-		throw new TicketingException(DELETED_MOVIE);
-	}
-
 }

server/src/main/java/com/ticketing/server/global/security/jwt/JwtProvider.java

@@ -1,6 +1,6 @@
 package com.ticketing.server.global.security.jwt;
 
-import com.ticketing.server.user.service.dto.TokenDTO;
+import com.ticketing.server.user.application.response.TokenDto;
 import io.jsonwebtoken.Claims;
 import io.jsonwebtoken.Jwts;
 import io.jsonwebtoken.SignatureAlgorithm;
@@ -42,12 +42,12 @@ public class JwtProvider {
 		this.refreshTokenValidityInMilliseconds = jwtProperties.getRefreshTokenValidityInSeconds() * 1000L;
 	}
 
-	public TokenDTO generateTokenDto(Authentication authentication) {
+	public TokenDto generateTokenDto(Authentication authentication) {
 		String accessToken = createAccessToken(authentication);
 		String refreshToken = createRefreshToken(authentication);
 		long expiresIn = accessTokenValidityInMilliseconds / 1000L;
 
-		return new TokenDTO(accessToken, refreshToken, prefix, expiresIn);
+		return TokenDto.of(accessToken, refreshToken, prefix, expiresIn);
 	}
 
 	private String createAccessToken(Authentication authentication) {

server/src/main/java/com/ticketing/server/movie/application/MovieController.java

@@ -1,15 +1,8 @@
 package com.ticketing.server.movie.application;
 
-import static com.ticketing.server.user.domain.UserGrade.ROLES.STAFF;
-
-import com.ticketing.server.movie.application.request.MovieDeleteRequest;
 import com.ticketing.server.movie.application.request.MovieRegisterRequest;
-import com.ticketing.server.movie.application.response.MovieDeleteResponse;
 import com.ticketing.server.movie.application.response.MovieListResponse;
-import com.ticketing.server.movie.application.response.MovieInfoResponse;
-import com.ticketing.server.movie.service.dto.DeletedMovieDTO;
-import com.ticketing.server.movie.service.dto.MovieListDTO;
-import com.ticketing.server.movie.service.dto.RegisteredMovieDTO;
+import com.ticketing.server.movie.application.response.MovieTitleResponse;
 import com.ticketing.server.movie.service.interfaces.MovieService;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
@@ -19,7 +12,6 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.security.access.annotation.Secured;
-import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
@@ -37,37 +29,25 @@ public class MovieController {
 
 	@PostMapping()
 	@ApiOperation(value = "영화 정보 등록")
-	@Secured(STAFF)
-	public ResponseEntity<MovieInfoResponse> registerMovie(@RequestBody @Valid MovieRegisterRequest request) {
-		RegisteredMovieDTO registeredMovieDto =
-			movieService.registerMovie(request.getTitle(), request.getRunningTime());
-
+	@Secured("ROLE_STAFF")
+	public ResponseEntity<MovieTitleResponse> registerMovie(@RequestBody @Valid MovieRegisterRequest request) {
 		return ResponseEntity.status(HttpStatus.OK)
 			.body(
-				registeredMovieDto.toResponse()
+				MovieTitleResponse.from(
+					movieService.registerMovie(request.toMovieRegisterDTO())
+				)
 			);
 	}
 
 	@GetMapping()
 	@ApiOperation(value = "영화 목록 조회")
 	public ResponseEntity<MovieListResponse> getMovies() {
-		MovieListDTO movieListDto = movieService.getMovies();
-
 		return ResponseEntity.status(HttpStatus.OK)
 			.body(
-				movieListDto.toResponse()
+				MovieListResponse.from(
+					movieService.getMovies()
+				)
 			);
 	}
 
-	@DeleteMapping()
-	@ApiOperation(value = "영화 정보 삭제")
-	@Secured(STAFF)
-	public ResponseEntity<MovieDeleteResponse> deleteMovie(@RequestBody @Valid MovieDeleteRequest request) {
-		DeletedMovieDTO deletedMovieDto = movieService.deleteMovie(request.getId());
-
-		return ResponseEntity.status(HttpStatus.OK)
-			.body(
-				deletedMovieDto.toResponse()
-			);
-	}
 }

server/src/main/java/com/ticketing/server/movie/application/request/MovieDeleteRequest.java

@@ -1,16 +0,0 @@
-package com.ticketing.server.movie.application.request;
-
-import javax.validation.constraints.NotNull;
-import lombok.AllArgsConstructor;
-import lombok.Getter;
-import lombok.NoArgsConstructor;
-
-@Getter
-@NoArgsConstructor
-@AllArgsConstructor
-public class MovieDeleteRequest {
-
-	@NotNull(message = "{validation.not.null.id}")
-	private Long id;
-
-}

server/src/main/java/com/ticketing/server/movie/application/response/MovieDeleteResponse.java

@@ -1,17 +0,0 @@
-package com.ticketing.server.movie.application.response;
-
-import java.time.LocalDateTime;
-import lombok.AllArgsConstructor;
-import lombok.Getter;
-
-@Getter
-@AllArgsConstructor
-public class MovieDeleteResponse {
-
-	private final Long id;
-
-	private final String title;
-
-	private final LocalDateTime deletedAt;
-
-}

server/src/main/java/com/ticketing/server/movie/application/response/MovieInfoResponse.java

@@ -1,17 +0,0 @@
-package com.ticketing.server.movie.application.response;
-
-import io.swagger.annotations.ApiModelProperty;
-import lombok.AllArgsConstructor;
-import lombok.Getter;
-
-@Getter
-@AllArgsConstructor
-public class MovieInfoResponse {
-
-	@ApiModelProperty(value = "영화 ID")
-	private Long movieId;
-
-	@ApiModelProperty(value = "영화 제목")
-	private String title;
-
-}

server/src/main/java/com/ticketing/server/movie/application/response/MovieListResponse.java

@@ -3,14 +3,19 @@ package com.ticketing.server.movie.application.response;
 import com.ticketing.server.movie.service.dto.MovieDTO;
 import io.swagger.annotations.ApiModelProperty;
 import java.util.List;
+import lombok.AccessLevel;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 
 @Getter
-@AllArgsConstructor
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
 public class MovieListResponse {
 
     @ApiModelProperty(value = "영화 제목")
     private List<MovieDTO> movieDtos;
 
+    public static MovieListResponse from(List<MovieDTO> movieDtos) {
+        return new MovieListResponse(movieDtos);
+    }
+
 }

server/src/main/java/com/ticketing/server/movie/application/response/MovieTitleResponse.java

@@ -0,0 +1,20 @@
+package com.ticketing.server.movie.application.response;
+
+import com.ticketing.server.movie.service.dto.MovieDTO;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
+public class MovieTitleResponse {
+
+	@ApiModelProperty(value = "영화 제목")
+	private String title;
+
+	public static MovieTitleResponse from(MovieDTO movieDto) {
+		return new MovieTitleResponse(movieDto.getTitle());
+	}
+
+}

server/src/main/java/com/ticketing/server/movie/application/response/TicketDetailsResponse.java

@@ -1,6 +1,6 @@
 package com.ticketing.server.movie.application.response;
 
-import com.ticketing.server.payment.service.dto.TicketDetailDTO;
+import com.ticketing.server.payment.application.response.TicketDetailDTO;
 import java.util.List;
 import lombok.Getter;
 

server/src/main/java/com/ticketing/server/movie/domain/Movie.java

@@ -1,9 +1,7 @@
 package com.ticketing.server.movie.domain;
 
 import com.ticketing.server.global.dto.repository.AbstractEntity;
-import com.ticketing.server.global.exception.ErrorCode;
-import com.ticketing.server.movie.service.dto.MovieDTO;
-import java.time.LocalDateTime;
+import javax.persistence.Column;
 import javax.persistence.Entity;
 import javax.validation.constraints.NotNull;
 import lombok.AccessLevel;
@@ -18,6 +16,7 @@ import lombok.NoArgsConstructor;
 public class Movie extends AbstractEntity {
 
 	@NotNull
+	@Column(unique = true)
 	private String title;
 
 	@NotNull
@@ -29,18 +28,4 @@ public class Movie extends AbstractEntity {
 		this.runningTime = runningTime;
 	}
 
-	public Movie delete() {
-		if (deletedAt != null) {
-			throw ErrorCode.throwDeletedMovie();
-		}
-
-		deletedAt = LocalDateTime.now();
-
-		return this;
-	}
-
-	public MovieDTO toMovieDTO() {
-		return new MovieDTO(this.id, this.title);
-	}
-
 }

server/src/main/java/com/ticketing/server/movie/domain/repository/MovieRepository.java

@@ -13,14 +13,6 @@ public interface MovieRepository extends JpaRepository<Movie, Long> {
 
     Optional<Movie> findByTitle(String title);
 
-	Optional<Movie> findByIdAndDeletedAtNull(Long id);
-
-	@Query(value = "SELECT m "
-		+ "FROM Movie m "
-		+ "WHERE title = :title "
-		+ "AND deleted_at IS NULL")
-	Optional<Movie> findValidMovieWithTitle(String title);
-
     @Query(value = "SELECT * "
         + "FROM movie "
         + "WHERE deleted_at IS NULL", nativeQuery = true)

server/src/main/java/com/ticketing/server/movie/service/MovieServiceImpl.java

@@ -3,15 +3,12 @@ package com.ticketing.server.movie.service;
 import com.ticketing.server.global.exception.ErrorCode;
 import com.ticketing.server.movie.domain.Movie;
 import com.ticketing.server.movie.domain.repository.MovieRepository;
-import com.ticketing.server.movie.service.dto.DeletedMovieDTO;
 import com.ticketing.server.movie.service.dto.MovieDTO;
-import com.ticketing.server.movie.service.dto.MovieListDTO;
-import com.ticketing.server.movie.service.dto.RegisteredMovieDTO;
+import com.ticketing.server.movie.service.dto.MovieRegisterDTO;
 import com.ticketing.server.movie.service.interfaces.MovieService;
 import java.util.List;
 import java.util.Optional;
 import java.util.stream.Collectors;
-import javax.transaction.Transactional;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
@@ -24,39 +21,24 @@ public class MovieServiceImpl implements MovieService {
 	private final MovieRepository movieRepository;
 
 	@Override
-	public RegisteredMovieDTO registerMovie(String title, Long runningTime) {
-		Optional<Movie> movie = movieRepository.findValidMovieWithTitle(title);
+	public MovieDTO registerMovie(MovieRegisterDTO movieRegisterDto) {
+		Optional<Movie> movie = movieRepository.findByTitle(movieRegisterDto.getTitle());
 
 		if(movie.isEmpty()) {
-			Movie newMovie = movieRepository.save(
-				new Movie(title, runningTime)
-			);
-
-			return new RegisteredMovieDTO(newMovie);
+			return MovieDTO.from(movieRepository.save(movieRegisterDto.toMovie()));
 		}
 
 		throw ErrorCode.throwDuplicateMovie();
 	}
 
 	@Override
-	public MovieListDTO getMovies() {
+	public List<MovieDTO> getMovies() {
 		List<Movie> movies = movieRepository.findValidMovies();
 
-		List<MovieDTO> movieDtos = movies.stream()
-			.map(movie -> movie.toMovieDTO())
+		return movies.stream()
+			.map(MovieDTO::from)
 			.collect(Collectors.toList());
 
-		return new MovieListDTO(movieDtos);
 	}
 
-	@Override
-	@Transactional
-	public DeletedMovieDTO deleteMovie(Long id) {
-		Movie movie = movieRepository.findByIdAndDeletedAtNull(id)
-			.orElseThrow(ErrorCode::throwMovieNotFound);
-
-		Movie deletedMovie = movie.delete();
-
-		return new DeletedMovieDTO(deletedMovie);
-	}
 }

server/src/main/java/com/ticketing/server/movie/service/TicketServiceImpl.java

@@ -4,7 +4,7 @@ import com.ticketing.server.global.exception.ErrorCode;
 import com.ticketing.server.movie.domain.repository.TicketRepository;
 import com.ticketing.server.movie.service.dto.TicketDetailsDTO;
 import com.ticketing.server.movie.service.interfaces.TicketService;
-import com.ticketing.server.payment.service.dto.TicketDetailDTO;
+import com.ticketing.server.payment.application.response.TicketDetailDTO;
 import java.util.List;
 import java.util.stream.Collectors;
 import javax.validation.constraints.NotNull;

server/src/main/java/com/ticketing/server/movie/service/dto/DeletedMovieDTO.java

@@ -1,32 +0,0 @@
-package com.ticketing.server.movie.service.dto;
-
-import com.ticketing.server.movie.application.response.MovieDeleteResponse;
-import com.ticketing.server.movie.domain.Movie;
-import java.time.LocalDateTime;
-import lombok.AccessLevel;
-import lombok.AllArgsConstructor;
-import lombok.Getter;
-
-@Getter
-@AllArgsConstructor(access = AccessLevel.PRIVATE)
-public class DeletedMovieDTO {
-
-	private final Long id;
-
-	private final String title;
-
-	private final LocalDateTime deletedAt;
-
-	public DeletedMovieDTO(Movie movie) {
-		this(
-			movie.getId(),
-			movie.getTitle(),
-			movie.getDeletedAt()
-		);
-	}
-
-	public MovieDeleteResponse toResponse() {
-		return new MovieDeleteResponse(id, title, deletedAt);
-	}
-
-}

server/src/main/java/com/ticketing/server/movie/service/dto/MovieDTO.java

@@ -1,14 +1,18 @@
 package com.ticketing.server.movie.service.dto;
 
+import com.ticketing.server.movie.domain.Movie;
+import lombok.AccessLevel;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 
 @Getter
-@AllArgsConstructor
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
 public class MovieDTO {
 
-	private Long movieId;
-
     private String title;
 
+    public static MovieDTO from(Movie movie) {
+        return new MovieDTO(movie.getTitle());
+    }
+
 }

server/src/main/java/com/ticketing/server/movie/service/dto/MovieListDTO.java

@@ -1,18 +0,0 @@
-package com.ticketing.server.movie.service.dto;
-
-import com.ticketing.server.movie.application.response.MovieListResponse;
-import java.util.List;
-import lombok.AllArgsConstructor;
-import lombok.Getter;
-
-@Getter
-@AllArgsConstructor()
-public class MovieListDTO {
-
-	private final List<MovieDTO> movieDtos;
-
-	public MovieListResponse toResponse() {
-		return new MovieListResponse(movieDtos);
-	}
-
-}

server/src/main/java/com/ticketing/server/movie/service/dto/RegisteredMovieDTO.java

@@ -1,28 +0,0 @@
-package com.ticketing.server.movie.service.dto;
-
-import com.ticketing.server.movie.application.response.MovieInfoResponse;
-import com.ticketing.server.movie.domain.Movie;
-import lombok.AccessLevel;
-import lombok.AllArgsConstructor;
-import lombok.Getter;
-
-@Getter
-@AllArgsConstructor(access = AccessLevel.PRIVATE)
-public class RegisteredMovieDTO {
-
-	private final Long id;
-
-	private final String title;
-
-	public RegisteredMovieDTO(Movie movie) {
-		this(
-			movie.getId(),
-			movie.getTitle()
-		);
-	}
-
-	public MovieInfoResponse toResponse() {
-		return new MovieInfoResponse(id, title);
-	}
-
-}

server/src/main/java/com/ticketing/server/movie/service/dto/TicketDetailsDTO.java

@@ -1,7 +1,7 @@
 package com.ticketing.server.movie.service.dto;
 
 import com.ticketing.server.movie.application.response.TicketDetailsResponse;
-import com.ticketing.server.payment.service.dto.TicketDetailDTO;
+import com.ticketing.server.payment.application.response.TicketDetailDTO;
 import java.util.List;
 import lombok.AllArgsConstructor;
 import lombok.Getter;

server/src/main/java/com/ticketing/server/movie/service/interfaces/MovieService.java

@@ -1,14 +1,13 @@
 package com.ticketing.server.movie.service.interfaces;
 
-import com.ticketing.server.movie.service.dto.DeletedMovieDTO;
-import com.ticketing.server.movie.service.dto.MovieListDTO;
-import com.ticketing.server.movie.service.dto.RegisteredMovieDTO;
+import com.ticketing.server.movie.service.dto.MovieDTO;
+import com.ticketing.server.movie.service.dto.MovieRegisterDTO;
+import java.util.List;
 
 public interface MovieService {
 
-	RegisteredMovieDTO registerMovie(String title, Long runningTime);
+	MovieDTO registerMovie(MovieRegisterDTO movieRegisterDto);
 
-	MovieListDTO getMovies();
+    List<MovieDTO> getMovies();
 
-	DeletedMovieDTO deleteMovie(Long id);
 }

server/src/main/java/com/ticketing/server/payment/application/PaymentController.java

@@ -1,11 +1,10 @@
 package com.ticketing.server.payment.application;
 
 import com.ticketing.server.payment.application.response.PaymentDetailResponse;
-import com.ticketing.server.payment.application.response.SimplePaymentsResponse;
-import com.ticketing.server.payment.service.dto.PaymentDetailDTO;
 import com.ticketing.server.payment.service.dto.SimplePaymentsDTO;
 import com.ticketing.server.payment.service.interfaces.PaymentApisService;
 import com.ticketing.server.payment.service.interfaces.PaymentService;
+import com.ticketing.server.payment.application.response.SimplePaymentsResponse;
 import com.ticketing.server.user.domain.UserGrade;
 import javax.validation.constraints.NotNull;
 import lombok.RequiredArgsConstructor;
@@ -30,18 +29,14 @@ public class PaymentController {
 	@Secured(UserGrade.ROLES.USER)
 	public ResponseEntity<SimplePaymentsResponse> simplePayments(@NotNull Long userAlternateId) {
 		SimplePaymentsDTO simplePayments = paymentService.findSimplePayments(userAlternateId);
-
-		return ResponseEntity.status(HttpStatus.OK)
-			.body(simplePayments.toResponse());
+		return ResponseEntity.status(HttpStatus.OK).body(simplePayments.toResponse());
 	}
 
 	@GetMapping("/detail")
 	@Secured(UserGrade.ROLES.USER)
 	public ResponseEntity<PaymentDetailResponse> detail(@NotNull Long paymentId) {
-		PaymentDetailDTO paymentDetail = paymentApisService.findPaymentDetail(paymentId);
-
-		return ResponseEntity.status(HttpStatus.OK)
-			.body(paymentDetail.toResponse());
+		PaymentDetailResponse paymentDetail = paymentApisService.findPaymentDetail(paymentId);
+		return ResponseEntity.status(HttpStatus.OK).body(paymentDetail);
 	}
 
 }

server/src/main/java/com/ticketing/server/payment/application/response/PaymentDetailResponse.java

@@ -1,20 +1,38 @@
 package com.ticketing.server.payment.application.response;
 
-import com.ticketing.server.payment.service.dto.TicketDetailDTO;
+import com.ticketing.server.movie.application.response.TicketDetailsResponse;
+import com.ticketing.server.payment.domain.Payment;
 import java.time.LocalDateTime;
 import java.util.List;
+import lombok.AccessLevel;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 
 @Getter
-@AllArgsConstructor
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
 public class PaymentDetailResponse {
 
 	private Long paymentId;
+
 	private String movieTitle;
+
 	private String paymentNumber;
+
 	private Integer totalPrice;
+
 	private LocalDateTime createdAt;
-	private List<TicketDetailDTO> tickets;
+
+	List<TicketDetailDTO> tickets;
+
+	public PaymentDetailResponse(Payment payment, TicketDetailsResponse ticketDetails) {
+		this(
+			payment.getId(),
+			payment.getMovieTitle(),
+			payment.getPaymentNumber(),
+			payment.getTotalPrice(),
+			payment.getCreatedAt(),
+			ticketDetails.getTicketDetails()
+		);
+	}
 
 }

server/src/main/java/com/ticketing/server/payment/application/response/SimplePaymentsResponse.java

@@ -10,6 +10,7 @@ import lombok.Getter;
 public class SimplePaymentsResponse {
 
 	private final Long userAlternateId;
+
 	private final List<SimplePaymentDTO> payments;
 
 }

server/src/main/java/com/ticketing/server/payment/application/response/TicketDetailDTO.java

@@ -0,0 +1,36 @@
+package com.ticketing.server.payment.application.response;
+
+import com.ticketing.server.movie.domain.Ticket;
+import java.time.LocalDateTime;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
+public class TicketDetailDTO {
+
+	private Integer price;
+
+	private Integer theaterNumber;
+
+	private Integer column;
+
+	private Integer row;
+
+	private LocalDateTime startAt;
+
+	private LocalDateTime endAt;
+
+	public TicketDetailDTO(Ticket ticket) {
+		this(
+				ticket.getTicketPrice(),
+				ticket.getTheaterNumber(),
+				ticket.getColumn(),
+				ticket.getRow(),
+				ticket.getStartAt(),
+				ticket.getEndAt()
+			);
+	}
+
+}

server/src/main/java/com/ticketing/server/payment/service/PaymentApisServiceImpl.java

@@ -5,9 +5,9 @@ import com.ticketing.server.movie.application.response.TicketDetailsResponse;
 import com.ticketing.server.payment.api.MovieClient;
 import com.ticketing.server.payment.api.UserClient;
 import com.ticketing.server.payment.api.dto.response.UserDetailResponse;
+import com.ticketing.server.payment.application.response.PaymentDetailResponse;
 import com.ticketing.server.payment.domain.Payment;
 import com.ticketing.server.payment.domain.repository.PaymentRepository;
-import com.ticketing.server.payment.service.dto.PaymentDetailDTO;
 import com.ticketing.server.payment.service.interfaces.PaymentApisService;
 import javax.validation.constraints.NotNull;
 import lombok.RequiredArgsConstructor;
@@ -28,7 +28,7 @@ public class PaymentApisServiceImpl implements PaymentApisService {
 	private final UserClient userClient;
 
 	@Override
-	public PaymentDetailDTO findPaymentDetail(@NotNull Long paymentId) {
+	public PaymentDetailResponse findPaymentDetail(@NotNull Long paymentId) {
 		Payment payment = paymentRepository.findById(paymentId)
 			.orElseThrow(ErrorCode::throwPaymentIdNotFound);
 
@@ -38,7 +38,7 @@ public class PaymentApisServiceImpl implements PaymentApisService {
 		}
 
 		TicketDetailsResponse tickets = movieClient.getTicketsByPaymentId(payment.getId());
-		return new PaymentDetailDTO(payment, tickets);
+		return new PaymentDetailResponse(payment, tickets);
 	}
 
 }

server/src/main/java/com/ticketing/server/payment/service/dto/CreatePaymentDTO.java

@@ -10,12 +10,12 @@ import lombok.Getter;
 @AllArgsConstructor
 public class CreatePaymentDTO {
 
-	private final Long userAlternateId;
-	private final String movieTitle;
-	private final PaymentType type;
-	private final PaymentStatus status;
-	private final String paymentNumber;
-	private final Integer totalPrice;
+	private Long userAlternateId;
+	private String movieTitle;
+	private PaymentType type;
+	private PaymentStatus status;
+	private String paymentNumber;
+	private Integer totalPrice;
 
 	public Payment toEntity() {
 		return new Payment

server/src/main/java/com/ticketing/server/payment/service/dto/PaymentDetailDTO.java

@@ -1,39 +0,0 @@
-package com.ticketing.server.payment.service.dto;
-
-import com.ticketing.server.movie.application.response.TicketDetailsResponse;
-import com.ticketing.server.payment.application.response.PaymentDetailResponse;
-import com.ticketing.server.payment.domain.Payment;
-import com.ticketing.server.payment.service.dto.TicketDetailDTO;
-import java.time.LocalDateTime;
-import java.util.List;
-import lombok.AccessLevel;
-import lombok.AllArgsConstructor;
-import lombok.Getter;
-
-@Getter
-@AllArgsConstructor(access = AccessLevel.PRIVATE)
-public class PaymentDetailDTO {
-
-	private final Long paymentId;
-	private final String movieTitle;
-	private final String paymentNumber;
-	private final Integer totalPrice;
-	private final LocalDateTime createdAt;
-	private final List<TicketDetailDTO> tickets;
-
-	public PaymentDetailDTO(Payment payment, TicketDetailsResponse ticketDetails) {
-		this(
-			payment.getId(),
-			payment.getMovieTitle(),
-			payment.getPaymentNumber(),
-			payment.getTotalPrice(),
-			payment.getCreatedAt(),
-			ticketDetails.getTicketDetails()
-		);
-	}
-
-	public PaymentDetailResponse toResponse() {
-		return new PaymentDetailResponse(paymentId, movieTitle, paymentNumber, totalPrice, createdAt, tickets);
-	}
-
-}

server/src/main/java/com/ticketing/server/payment/service/dto/SimplePaymentDTO.java

@@ -9,10 +9,10 @@ import lombok.Getter;
 @AllArgsConstructor(access = AccessLevel.PRIVATE)
 public class SimplePaymentDTO {
 
-	private final Long paymentId;
-	private final String movieTitle;
-	private final String paymentNumber;
-	private final Integer totalPrice;
+	private Long paymentId;
+	private String movieTitle;
+	private String paymentNumber;
+	private Integer totalPrice;
 
 	public SimplePaymentDTO(Payment payment) {
 		this(

server/src/main/java/com/ticketing/server/payment/service/dto/TicketDetailDTO.java

@@ -1,31 +0,0 @@
-package com.ticketing.server.payment.service.dto;
-
-import com.ticketing.server.movie.domain.Ticket;
-import java.time.LocalDateTime;
-import lombok.AccessLevel;
-import lombok.AllArgsConstructor;
-import lombok.Getter;
-
-@Getter
-@AllArgsConstructor(access = AccessLevel.PRIVATE)
-public class TicketDetailDTO {
-
-	private final Integer price;
-	private final Integer theaterNumber;
-	private final Integer column;
-	private final Integer row;
-	private final LocalDateTime startAt;
-	private final LocalDateTime endAt;
-
-	public TicketDetailDTO(Ticket ticket) {
-		this(
-			ticket.getTicketPrice(),
-			ticket.getTheaterNumber(),
-			ticket.getColumn(),
-			ticket.getRow(),
-			ticket.getStartAt(),
-			ticket.getEndAt()
-		);
-	}
-
-}

server/src/main/java/com/ticketing/server/payment/service/interfaces/PaymentApisService.java

@@ -1,9 +1,9 @@
 package com.ticketing.server.payment.service.interfaces;
 
-import com.ticketing.server.payment.service.dto.PaymentDetailDTO;
+import com.ticketing.server.payment.application.response.PaymentDetailResponse;
 import javax.validation.constraints.NotNull;
 
 public interface PaymentApisService {
 
-	PaymentDetailDTO findPaymentDetail(@NotNull Long paymentId);
+	PaymentDetailResponse findPaymentDetail(@NotNull Long paymentId);
 }

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

@@ -2,9 +2,7 @@ package com.ticketing.server.user.application;
 
 import com.ticketing.server.user.application.request.LoginRequest;
 import com.ticketing.server.user.application.response.LogoutResponse;
-import com.ticketing.server.user.service.dto.TokenDTO;
-import com.ticketing.server.user.application.response.TokenResponse;
-import com.ticketing.server.user.service.dto.DeleteRefreshTokenDTO;
+import com.ticketing.server.user.application.response.TokenDto;
 import com.ticketing.server.user.service.interfaces.AuthenticationService;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
@@ -28,29 +26,29 @@ public class AuthController {
 	private final AuthenticationService authenticationService;
 
 	@PostMapping("/token")
-	public ResponseEntity<TokenResponse> login(@RequestBody LoginRequest loginRequest) {
-		TokenDTO tokenDto = authenticationService.generateTokenDto(loginRequest.toAuthentication());
+	public ResponseEntity<TokenDto> login(@RequestBody LoginRequest loginRequest) {
+		TokenDto tokenDto = authenticationService.generateTokenDto(loginRequest.toAuthentication());
 
 		return ResponseEntity.status(HttpStatus.OK)
 			.headers(getHttpHeaders())
-			.body(tokenDto.toResponse());
+			.body(tokenDto);
 	}
 
 	@PostMapping("/refresh")
-	public ResponseEntity<TokenResponse> refreshToken(@RequestParam("refreshToken") String refreshToken) {
-		TokenDTO tokenDto = authenticationService.reissueTokenDto(refreshToken);
+	public ResponseEntity<TokenDto> refreshToken(@RequestParam("refreshToken") String refreshToken) {
+		TokenDto tokenDto = authenticationService.reissueTokenDto(refreshToken);
 
 		return ResponseEntity.status(HttpStatus.OK)
 			.headers(getHttpHeaders())
-			.body(tokenDto.toResponse());
+			.body(tokenDto);
 	}
 
 	@PostMapping("/logout")
 	public ResponseEntity<LogoutResponse> logout(@AuthenticationPrincipal UserDetails userRequest) {
-		DeleteRefreshTokenDTO refreshToken = authenticationService.deleteRefreshToken(userRequest.getUsername());
+		LogoutResponse logoutResponse = authenticationService.deleteRefreshToken(userRequest.getUsername());
 
 		return ResponseEntity.status(HttpStatus.OK)
-			.body(refreshToken.toResponse());
+			.body(logoutResponse);
 	}
 
 	private HttpHeaders getHttpHeaders() {

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

@@ -13,11 +13,7 @@ import com.ticketing.server.user.application.response.UserChangePasswordResponse
 import com.ticketing.server.user.application.response.UserDeleteResponse;
 import com.ticketing.server.user.application.response.UserDetailResponse;
 import com.ticketing.server.user.domain.ChangeGradeDTO;
-import com.ticketing.server.user.service.dto.ChangePasswordDTO;
-import com.ticketing.server.user.service.dto.ChangedPasswordUserDTO;
-import com.ticketing.server.user.service.dto.CreatedUserDTO;
-import com.ticketing.server.user.service.dto.DeletedUserDTO;
-import com.ticketing.server.user.service.dto.PaymentsDTO;
+import com.ticketing.server.user.domain.User;
 import com.ticketing.server.user.service.dto.UserDetailDTO;
 import com.ticketing.server.user.service.interfaces.UserApisService;
 import com.ticketing.server.user.service.interfaces.UserService;
@@ -44,34 +40,28 @@ import org.springframework.web.bind.annotation.RestController;
 @Slf4j
 public class UserController {
 
-	private final UserService userService;
 	private final UserApisService userApisService;
+	private final UserService userService;
 	private final PasswordEncoder passwordEncoder;
 
 	@PostMapping
 	public ResponseEntity<SignUpResponse> register(@RequestBody @Valid SignUpRequest request) {
-		CreatedUserDTO createdUserDto = userService.register(request.toSignUpDto(passwordEncoder));
-
-		return ResponseEntity.status(HttpStatus.CREATED)
-			.body(createdUserDto.toResponse());
+		User user = userService.register(request.toSignUpDto(passwordEncoder));
+		return ResponseEntity.status(HttpStatus.CREATED).body(SignUpResponse.from(user));
 	}
 
 	@GetMapping("/details")
 	@Secured(USER)
 	public ResponseEntity<UserDetailResponse> details(@AuthenticationPrincipal UserDetails userRequest) {
 		UserDetailDTO userDetail = userService.findDetailByEmail(userRequest.getUsername());
-
-		return ResponseEntity.status(HttpStatus.OK)
-			.body(userDetail.toResponse());
+		return ResponseEntity.status(HttpStatus.OK).body(userDetail.toResponse());
 	}
 
 	@DeleteMapping
 	@Secured(USER)
 	public ResponseEntity<UserDeleteResponse> deleteUser(@RequestBody @Valid UserDeleteRequest request) {
-		DeletedUserDTO deletedUserDto = userService.delete(request.toDeleteUserDto(passwordEncoder));
-
-		return ResponseEntity.status(HttpStatus.OK)
-			.body(deletedUserDto.toResponse());
+		User user = userService.delete(request.toDeleteUserDto(passwordEncoder));
+		return ResponseEntity.status(HttpStatus.OK).body(UserDeleteResponse.from(user));
 	}
 
 	@PutMapping("/password")
@@ -79,29 +69,22 @@ public class UserController {
 	public ResponseEntity<UserChangePasswordResponse> changePassword(
 		@AuthenticationPrincipal UserDetails userRequest,
 		@RequestBody @Valid UserChangePasswordRequest request) {
-		ChangePasswordDTO changePasswordDto = request.toChangePasswordDto(userRequest.getUsername(), passwordEncoder);
-		ChangedPasswordUserDTO changedUserDto = userService.changePassword(changePasswordDto);
-
-		return ResponseEntity.status(HttpStatus.OK)
-			.body(changedUserDto.toResponse());
+		User user = userService.changePassword(request.toChangePasswordDto(userRequest.getUsername(), passwordEncoder));
+		return ResponseEntity.status(HttpStatus.OK).body(UserChangePasswordResponse.from(user));
 	}
 
 	@PostMapping("/grade")
 	@Secured(ADMIN)
 	public ResponseEntity<UserChangeGradeResponse> changeGrade(@RequestBody @Valid UserChangeGradeRequest request) {
 		ChangeGradeDTO changeGradeDto = userService.changeGrade(request.getEmail(), request.getAfterGrade());
-
-		return ResponseEntity.status(HttpStatus.OK)
-			.body(changeGradeDto.toResponse());
+		return ResponseEntity.status(HttpStatus.OK).body(changeGradeDto.toResponse());
 	}
 
 	@GetMapping("/payments")
 	@Secured(USER)
 	public ResponseEntity<PaymentsResponse> getPayments(@AuthenticationPrincipal UserDetails userRequest) {
-		PaymentsDTO paymentsDto = userApisService.findPaymentsByEmail(userRequest.getUsername());
-
-		return ResponseEntity.status(HttpStatus.OK)
-			.body(paymentsDto.toResponse());
+		PaymentsResponse paymentDetails = userApisService.findPaymentsByEmail(userRequest.getUsername());
+		return ResponseEntity.status(HttpStatus.OK).body(paymentDetails);
 	}
 
 }

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

@@ -1,14 +1,28 @@
 package com.ticketing.server.user.application.response;
 
+import com.ticketing.server.global.redis.RefreshToken;
+import lombok.AccessLevel;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 
 @Getter
-@AllArgsConstructor
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
 public class LogoutResponse {
 
-	private final Long refreshTokenId;
-	private final String email;
-	private final String refreshToken;
+	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/application/response/PaymentsResponse.java

@@ -1,5 +1,6 @@
 package com.ticketing.server.user.application.response;
 
+import com.ticketing.server.payment.application.response.SimplePaymentsResponse;
 import com.ticketing.server.payment.service.dto.SimplePaymentDTO;
 import java.util.List;
 import lombok.AllArgsConstructor;
@@ -9,7 +10,11 @@ import lombok.Getter;
 @AllArgsConstructor
 public class PaymentsResponse {
 
-	private final String email;
-	private final List<SimplePaymentDTO> payments;
+	private String email;
+	private List<SimplePaymentDTO> payments;
 
+	public PaymentsResponse(String email, SimplePaymentsResponse simplePayments) {
+		this(email, simplePayments.getPayments());
+	}
+	
 }

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

@@ -1,13 +1,20 @@
 package com.ticketing.server.user.application.response;
 
+import com.ticketing.server.user.domain.User;
+import lombok.AccessLevel;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 
 @Getter
-@AllArgsConstructor
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
 public class SignUpResponse {
 
-	private final String name;
-	private final String email;
+	private String name;
+
+	private String email;
+
+	public static SignUpResponse from(User user) {
+		return new SignUpResponse(user.getName(), user.getEmail());
+	}
 
 }

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

@@ -0,0 +1,20 @@
+package com.ticketing.server.user.application.response;
+
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
+public class TokenDto {
+
+	private final String accessToken;
+	private final String refreshToken;
+	private final String tokenType;
+	private final long expiresIn;
+
+	public static TokenDto of(String accessToken, String refreshToken, String tokenType, long expiresIn) {
+		return new TokenDto(accessToken, refreshToken, tokenType, expiresIn);
+	}
+
+}

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

@@ -1,15 +0,0 @@
-package com.ticketing.server.user.application.response;
-
-import lombok.AllArgsConstructor;
-import lombok.Getter;
-
-@Getter
-@AllArgsConstructor
-public class TokenResponse {
-
-	private final String accessToken;
-	private final String refreshToken;
-	private final String tokenType;
-	private final long expiresIn;
-
-}

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

@@ -1,15 +1,20 @@
 package com.ticketing.server.user.application.response;
 
-import java.time.LocalDateTime;
+import com.ticketing.server.user.domain.User;
+import lombok.AccessLevel;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 
 @Getter
-@AllArgsConstructor
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
 public class UserChangePasswordResponse {
 
-	private final String name;
-	private final String email;
-	private final LocalDateTime updatedAt;
+	private String name;
+
+	private String email;
+
+	public static UserChangePasswordResponse from(User user) {
+		return new UserChangePasswordResponse(user.getName(), user.getEmail());
+	}
 
 }

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

@@ -1,15 +1,20 @@
 package com.ticketing.server.user.application.response;
 
-import java.time.LocalDateTime;
+import com.ticketing.server.user.domain.User;
+import lombok.AccessLevel;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 
 @Getter
-@AllArgsConstructor
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
 public class UserDeleteResponse {
 
-	private final String name;
-	private final String email;
-	private final LocalDateTime deletedAt;
+	private String name;
+
+	private String email;
+
+	public static UserDeleteResponse from(User user) {
+		return new UserDeleteResponse(user.getName(), user.getEmail());
+	}
 
 }

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

@@ -7,7 +7,7 @@ import lombok.AllArgsConstructor;
 import lombok.Getter;
 
 @Getter
-@AllArgsConstructor
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
 public class UserDetailResponse {
 
 	private final String name;
@@ -15,4 +15,13 @@ public class UserDetailResponse {
 	private final UserGrade grade;
 	private final String phone;
 
+	public UserDetailResponse(UserDetailDTO userDetailDto) {
+		this(
+			userDetailDto.getName(),
+			userDetailDto.getEmail(),
+			userDetailDto.getGrade(),
+			userDetailDto.getPhone()
+		);
+	}
+
 }

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

@@ -5,8 +5,8 @@ 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.service.dto.TokenDTO;
-import com.ticketing.server.user.service.dto.DeleteRefreshTokenDTO;
+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 lombok.RequiredArgsConstructor;
 import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
@@ -28,14 +28,14 @@ public class AuthenticationServiceImpl implements AuthenticationService {
 
 	@Override
 	@Transactional
-	public TokenDTO generateTokenDto(UsernamePasswordAuthenticationToken authenticationToken) {
+	public TokenDto generateTokenDto(UsernamePasswordAuthenticationToken authenticationToken) {
 		// 회원인증
 		Authentication authentication = authenticationManagerBuilder.getObject().authenticate(authenticationToken);
 
 		String email = authenticationToken.getName();
 
 		// 토큰 발급
-		TokenDTO tokenDto = jwtProvider.generateTokenDto(authentication);
+		TokenDto tokenDto = jwtProvider.generateTokenDto(authentication);
 
 		// refresh 토큰이 있으면 수정, 없으면 생성
 		refreshRedisRepository.findByEmail(email)
@@ -49,7 +49,7 @@ public class AuthenticationServiceImpl implements AuthenticationService {
 
 	@Override
 	@Transactional
-	public TokenDTO reissueTokenDto(String bearerRefreshToken) {
+	public TokenDto reissueTokenDto(String bearerRefreshToken) {
 		String refreshToken = resolveToken(bearerRefreshToken);
 
 		// 토큰 검증
@@ -67,7 +67,7 @@ public class AuthenticationServiceImpl implements AuthenticationService {
 		}
 
 		// 토큰 발급
-		TokenDTO tokenDto = jwtProvider.generateTokenDto(authentication);
+		TokenDto tokenDto = jwtProvider.generateTokenDto(authentication);
 
 		// 토큰 최신화
 		findTokenEntity.changeToken(tokenDto.getRefreshToken());
@@ -78,14 +78,12 @@ public class AuthenticationServiceImpl implements AuthenticationService {
 
 	@Override
 	@Transactional
-	public DeleteRefreshTokenDTO deleteRefreshToken(String email) {
+	public LogoutResponse deleteRefreshToken(String email) {
 		return refreshRedisRepository.findByEmail(email)
 			.map(tokenDto -> {
 				refreshRedisRepository.delete(tokenDto);
-				return new DeleteRefreshTokenDTO(tokenDto);
-			}).orElseGet(
-				() -> new DeleteRefreshTokenDTO(email)
-			);
+				return LogoutResponse.from(tokenDto);
+			}).orElseGet(() -> LogoutResponse.from(email));
 	}
 
 	private String resolveToken(String bearerToken) {

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

@@ -2,8 +2,8 @@ package com.ticketing.server.user.service;
 
 import com.ticketing.server.payment.application.response.SimplePaymentsResponse;
 import com.ticketing.server.user.api.PaymentClient;
+import com.ticketing.server.user.application.response.PaymentsResponse;
 import com.ticketing.server.user.domain.User;
-import com.ticketing.server.user.service.dto.PaymentsDTO;
 import com.ticketing.server.user.service.interfaces.UserApisService;
 import com.ticketing.server.user.service.interfaces.UserService;
 import javax.validation.constraints.NotNull;
@@ -24,11 +24,11 @@ public class UserApisServiceImpl implements UserApisService {
 	private final UserService userService;
 
 	@Override
-	public PaymentsDTO findPaymentsByEmail(@NotNull String email) {
+	public PaymentsResponse findPaymentsByEmail(@NotNull String email) {
 		User user = userService.findNotDeletedUserByEmail(email);
 		SimplePaymentsResponse simplePayments = paymentClient.getPayments(user.getAlternateId());
 
-		return new PaymentsDTO(user, simplePayments);
+		return new PaymentsResponse(user.getEmail(), simplePayments);
 	}
 
 }

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

@@ -7,10 +7,7 @@ import com.ticketing.server.user.domain.User;
 import com.ticketing.server.user.domain.UserGrade;
 import com.ticketing.server.user.domain.repository.UserRepository;
 import com.ticketing.server.user.service.dto.ChangePasswordDTO;
-import com.ticketing.server.user.service.dto.ChangedPasswordUserDTO;
-import com.ticketing.server.user.service.dto.CreatedUserDTO;
 import com.ticketing.server.user.service.dto.DeleteUserDTO;
-import com.ticketing.server.user.service.dto.DeletedUserDTO;
 import com.ticketing.server.user.service.dto.SignUpDTO;
 import com.ticketing.server.user.service.dto.UserDetailDTO;
 import com.ticketing.server.user.service.interfaces.UserService;
@@ -35,11 +32,10 @@ public class UserServiceImpl implements UserService {
 
 	@Override
 	@Transactional
-	public CreatedUserDTO register(@Valid SignUpDTO signUpDto) {
-		Optional<User> optionalUser = userRepository.findByEmail(signUpDto.getEmail());
-		if (optionalUser.isEmpty()) {
-			User user = userRepository.save(signUpDto.toUser(sequenceGenerator.generateId()));
-			return new CreatedUserDTO(user);
+	public User register(@Valid SignUpDTO signUpDto) {
+		Optional<User> user = userRepository.findByEmail(signUpDto.getEmail());
+		if (user.isEmpty()) {
+			return userRepository.save(signUpDto.toUser(sequenceGenerator.generateId()));
 		}
 
 		throw ErrorCode.throwDuplicateEmail();
@@ -47,20 +43,16 @@ public class UserServiceImpl implements UserService {
 
 	@Override
 	@Transactional
-	public DeletedUserDTO delete(@Valid DeleteUserDTO deleteUserDto) {
-		User user = findNotDeletedUserByEmail(deleteUserDto.getEmail())
-			.delete(deleteUserDto);
-
-		return new DeletedUserDTO(user);
+	public User delete(@Valid DeleteUserDTO deleteUserDto) {
+		User user = findNotDeletedUserByEmail(deleteUserDto.getEmail());
+		return user.delete(deleteUserDto);
 	}
 
 	@Override
 	@Transactional
-	public ChangedPasswordUserDTO changePassword(@Valid ChangePasswordDTO changePasswordDto) {
-		User user = findNotDeletedUserByEmail(changePasswordDto.getEmail())
-			.changePassword(changePasswordDto);
-
-		return new ChangedPasswordUserDTO(user);
+	public User changePassword(@Valid ChangePasswordDTO changePasswordDto) {
+		User user = findNotDeletedUserByEmail(changePasswordDto.getEmail());
+		return user.changePassword(changePasswordDto);
 	}
 
 	@Override

server/src/main/java/com/ticketing/server/user/service/dto/ChangePasswordDTO.java

@@ -2,23 +2,28 @@ package com.ticketing.server.user.service.dto;
 
 import javax.validation.constraints.Email;
 import javax.validation.constraints.NotEmpty;
-import lombok.AllArgsConstructor;
 import org.springframework.security.crypto.password.PasswordEncoder;
 
-@AllArgsConstructor
 public class ChangePasswordDTO implements PasswordMatches {
 
 	@NotEmpty(message = "{validation.not.empty.email}")
 	@Email(message = "{validation.email}")
-	private final String email;
+	private String email;
 
 	@NotEmpty(message = "{validation.not.empty.oldpassword}")
-	private final String oldPassword;
+	private String oldPassword;
 
 	@NotEmpty(message = "{validation.not.empty.newpassword}")
-	private final String newPassword;
+	private String newPassword;
 
-	private final PasswordEncoder passwordEncoder;
+	private PasswordEncoder passwordEncoder;
+
+	public ChangePasswordDTO(String email, String oldPassword, String newPassword, PasswordEncoder passwordEncoder) {
+		this.email = email;
+		this.oldPassword = oldPassword;
+		this.newPassword = newPassword;
+		this.passwordEncoder = passwordEncoder;
+	}
 
 	public String getEmail() {
 		return email;

server/src/main/java/com/ticketing/server/user/service/dto/ChangedPasswordUserDTO.java

@@ -1,24 +0,0 @@
-package com.ticketing.server.user.service.dto;
-
-import com.ticketing.server.user.application.response.UserChangePasswordResponse;
-import com.ticketing.server.user.domain.User;
-import java.time.LocalDateTime;
-import lombok.AccessLevel;
-import lombok.AllArgsConstructor;
-
-@AllArgsConstructor(access = AccessLevel.PRIVATE)
-public class ChangedPasswordUserDTO {
-
-	private final String name;
-	private final String email;
-	private final LocalDateTime updatedAt;
-
-	public ChangedPasswordUserDTO(User user) {
-		this(user.getName(), user.getEmail(), user.getUpdatedAt());
-	}
-
-	public UserChangePasswordResponse toResponse() {
-		return new UserChangePasswordResponse(name, email, updatedAt);
-	}
-
-}

server/src/main/java/com/ticketing/server/user/service/dto/CreatedUserDTO.java

@@ -1,25 +0,0 @@
-package com.ticketing.server.user.service.dto;
-
-import com.ticketing.server.user.application.response.SignUpResponse;
-import com.ticketing.server.user.domain.User;
-import lombok.AccessLevel;
-import lombok.AllArgsConstructor;
-
-@AllArgsConstructor(access = AccessLevel.PRIVATE)
-public class CreatedUserDTO {
-
-	private final String name;
-	private final String email;
-
-	public CreatedUserDTO(User user) {
-		this(
-			user.getName(),
-			user.getEmail()
-		);
-	}
-
-	public SignUpResponse toResponse() {
-		return new SignUpResponse(name, email);
-	}
-
-}

server/src/main/java/com/ticketing/server/user/service/dto/DeleteRefreshTokenDTO.java

@@ -1,26 +0,0 @@
-package com.ticketing.server.user.service.dto;
-
-import com.ticketing.server.global.redis.RefreshToken;
-import com.ticketing.server.user.application.response.LogoutResponse;
-import lombok.AccessLevel;
-import lombok.AllArgsConstructor;
-
-@AllArgsConstructor(access = AccessLevel.PRIVATE)
-public class DeleteRefreshTokenDTO {
-
-	private final Long refreshTokenId;
-	private final String email;
-	private final String refreshToken;
-
-	public DeleteRefreshTokenDTO(String email) {
-		this(null, email, null);
-	}
-
-	public DeleteRefreshTokenDTO(RefreshToken refreshToken) {
-		this(refreshToken.getId(), refreshToken.getEmail(), refreshToken.getToken());
-	}
-
-	public LogoutResponse toResponse() {
-		return new LogoutResponse(refreshTokenId, email, refreshToken);
-	}
-}

server/src/main/java/com/ticketing/server/user/service/dto/DeleteUserDTO.java

@@ -2,20 +2,24 @@ package com.ticketing.server.user.service.dto;
 
 import javax.validation.constraints.Email;
 import javax.validation.constraints.NotEmpty;
-import lombok.AllArgsConstructor;
 import org.springframework.security.crypto.password.PasswordEncoder;
 
-@AllArgsConstructor
 public class DeleteUserDTO implements PasswordMatches {
 
 	@NotEmpty(message = "{validation.not.empty.email}")
 	@Email(message = "{validation.email}")
-	private final String email;
+	private String email;
 
 	@NotEmpty(message = "{validation.not.empty.password}")
-	private final String inputPassword;
+	private String inputPassword;
 
-	private final PasswordEncoder passwordEncoder;
+	private PasswordEncoder passwordEncoder;
+
+	public DeleteUserDTO(String email, String inputPassword, PasswordEncoder passwordEncoder) {
+		this.email = email;
+		this.inputPassword = inputPassword;
+		this.passwordEncoder = passwordEncoder;
+	}
 
 	@Override
 	public boolean passwordMatches(String password) {

server/src/main/java/com/ticketing/server/user/service/dto/DeletedUserDTO.java

@@ -1,26 +0,0 @@
-package com.ticketing.server.user.service.dto;
-
-import com.ticketing.server.user.application.response.UserDeleteResponse;
-import com.ticketing.server.user.domain.User;
-import java.time.LocalDateTime;
-import lombok.AccessLevel;
-import lombok.AllArgsConstructor;
-import lombok.Getter;
-
-@Getter
-@AllArgsConstructor(access = AccessLevel.PRIVATE)
-public class DeletedUserDTO {
-
-	private final String name;
-	private final String email;
-	private final LocalDateTime deletedAt;
-
-	public DeletedUserDTO(User user) {
-		this(user.getName(), user.getEmail(), user.getDeletedAt());
-	}
-
-	public UserDeleteResponse toResponse() {
-		return new UserDeleteResponse(name, email, deletedAt);
-	}
-
-}

server/src/main/java/com/ticketing/server/user/service/dto/PaymentsDTO.java

@@ -1,27 +0,0 @@
-package com.ticketing.server.user.service.dto;
-
-import com.ticketing.server.payment.application.response.SimplePaymentsResponse;
-import com.ticketing.server.payment.service.dto.SimplePaymentDTO;
-import com.ticketing.server.user.application.response.PaymentsResponse;
-import com.ticketing.server.user.domain.User;
-import java.util.List;
-import lombok.AccessLevel;
-import lombok.AllArgsConstructor;
-import lombok.Getter;
-
-@Getter
-@AllArgsConstructor(access = AccessLevel.PRIVATE)
-public class PaymentsDTO {
-
-	private final String email;
-	private final List<SimplePaymentDTO> payments;
-
-	public PaymentsDTO(User user, SimplePaymentsResponse simplePayments) {
-		this(user.getEmail(), simplePayments.getPayments());
-	}
-
-	public PaymentsResponse toResponse() {
-		return new PaymentsResponse(email, payments);
-	}
-
-}

server/src/main/java/com/ticketing/server/user/service/dto/SignUpDTO.java

@@ -13,18 +13,18 @@ import lombok.Getter;
 public class SignUpDTO {
 
 	@NotEmpty(message = "{validation.not.empty.name}")
-	private final String name;
+	private String name;
 
 	@NotEmpty(message = "{validation.not.empty.email}")
 	@Email(message = "{validation.email}")
-	private final String email;
+	private String email;
 
 	@NotEmpty(message = "{validation.not.empty.password}")
-	private final String password;
+	private String password;
 
 	@NotEmpty(message = "{validation.not.empty.phone}")
 	@Phone
-	private final String phone;
+	private String phone;
 
 	public User toUser(long alternateId) {
 		return new User(alternateId, this.name, this.email, password, UserGrade.USER, this.phone);

server/src/main/java/com/ticketing/server/user/service/dto/TokenDTO.java

@@ -1,20 +0,0 @@
-package com.ticketing.server.user.service.dto;
-
-import com.ticketing.server.user.application.response.TokenResponse;
-import lombok.AllArgsConstructor;
-import lombok.Getter;
-
-@Getter
-@AllArgsConstructor
-public class TokenDTO {
-
-	private final String accessToken;
-	private final String refreshToken;
-	private final String tokenType;
-	private final long expiresIn;
-
-	public TokenResponse toResponse() {
-		return new TokenResponse(accessToken, refreshToken, tokenType, expiresIn);
-	}
-
-}

server/src/main/java/com/ticketing/server/user/service/dto/UserDetailDTO.java

@@ -11,11 +11,11 @@ import lombok.Getter;
 @AllArgsConstructor(access = AccessLevel.PRIVATE)
 public class UserDetailDTO {
 
-	private final Long alternateId;
-	private final String name;
-	private final String email;
-	private final UserGrade grade;
-	private final String phone;
+	private Long alternateId;
+	private String name;
+	private String email;
+	private UserGrade grade;
+	private String phone;
 
 	public UserDetailDTO(User user) {
 		this(
@@ -28,7 +28,6 @@ public class UserDetailDTO {
 	}
 
 	public UserDetailResponse toResponse() {
-		return new UserDetailResponse(name, email, grade, phone);
+		return new UserDetailResponse(this);
 	}
-
 }

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

@@ -1,15 +1,15 @@
 package com.ticketing.server.user.service.interfaces;
 
-import com.ticketing.server.user.service.dto.TokenDTO;
-import com.ticketing.server.user.service.dto.DeleteRefreshTokenDTO;
+import com.ticketing.server.user.application.response.LogoutResponse;
+import com.ticketing.server.user.application.response.TokenDto;
 import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
 
 public interface AuthenticationService {
 
-	TokenDTO generateTokenDto(UsernamePasswordAuthenticationToken usernamePasswordAuthenticationToken);
+	TokenDto generateTokenDto(UsernamePasswordAuthenticationToken usernamePasswordAuthenticationToken);
 
-	TokenDTO reissueTokenDto(String bearerRefreshToken);
+	TokenDto reissueTokenDto(String bearerRefreshToken);
 
-	DeleteRefreshTokenDTO deleteRefreshToken(String email);
+	LogoutResponse deleteRefreshToken(String email);
 
 }

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

@@ -1,10 +1,10 @@
 package com.ticketing.server.user.service.interfaces;
 
-import com.ticketing.server.user.service.dto.PaymentsDTO;
+import com.ticketing.server.user.application.response.PaymentsResponse;
 import javax.validation.constraints.NotNull;
 
 public interface UserApisService {
 
-	PaymentsDTO findPaymentsByEmail(@NotNull String email);
+	PaymentsResponse findPaymentsByEmail(@NotNull String email);
 
 }

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

@@ -3,24 +3,23 @@ package com.ticketing.server.user.service.interfaces;
 import com.ticketing.server.user.domain.ChangeGradeDTO;
 import com.ticketing.server.user.domain.User;
 import com.ticketing.server.user.domain.UserGrade;
-import com.ticketing.server.user.service.dto.ChangedPasswordUserDTO;
-import com.ticketing.server.user.service.dto.DeletedUserDTO;
 import com.ticketing.server.user.service.dto.ChangePasswordDTO;
-import com.ticketing.server.user.service.dto.CreatedUserDTO;
 import com.ticketing.server.user.service.dto.DeleteUserDTO;
 import com.ticketing.server.user.service.dto.SignUpDTO;
 import com.ticketing.server.user.service.dto.UserDetailDTO;
 import javax.validation.Valid;
 import javax.validation.constraints.NotNull;
+import org.springframework.transaction.annotation.Transactional;
 
 public interface UserService {
 
-	CreatedUserDTO register(@Valid SignUpDTO signUpDto);
+	User register(@Valid SignUpDTO signUpDto);
 
-	DeletedUserDTO delete(@Valid DeleteUserDTO deleteUserDto);
+	User delete(@Valid DeleteUserDTO deleteUserDto);
 
-	ChangedPasswordUserDTO changePassword(@Valid ChangePasswordDTO changePasswordDto);
+	User changePassword(@Valid ChangePasswordDTO changePasswordDto);
 
+	@Transactional
 	ChangeGradeDTO changeGrade(@NotNull String email, @NotNull UserGrade grade);
 
 	UserDetailDTO findDetailByEmail(@NotNull String email);

server/src/test/java/com/ticketing/server/global/security/jwt/TokenProviderTest.java

@@ -3,7 +3,7 @@ package com.ticketing.server.global.security.jwt;
 import static org.assertj.core.api.Assertions.assertThat;
 
 import com.ticketing.server.global.factory.YamlPropertySourceFactory;
-import com.ticketing.server.user.service.dto.TokenDTO;
+import com.ticketing.server.user.application.response.TokenDto;
 import com.ticketing.server.user.domain.UserGrade;
 import java.util.Collections;
 import org.junit.jupiter.api.BeforeEach;
@@ -43,10 +43,10 @@ class TokenProviderTest {
 			new UsernamePasswordAuthenticationToken("ticketing@gmail.com", "123456", Collections.singleton(grantedAuthority));
 
 		// when
-		TokenDTO tokenDto = jwtProvider.generateTokenDto(authenticationToken);
+		TokenDto tokenDto = jwtProvider.generateTokenDto(authenticationToken);
 
 		// then
-		assertThat(tokenDto).isInstanceOf(TokenDTO.class);
+		assertThat(tokenDto).isInstanceOf(TokenDto.class);
 	}
 
 	@Test
@@ -58,7 +58,7 @@ class TokenProviderTest {
 			new UsernamePasswordAuthenticationToken("ticketing@gmail.com", "123456", Collections.singleton(grantedAuthority));
 
 		// when
-		TokenDTO tokenDto = jwtProvider.generateTokenDto(authenticationToken);
+		TokenDto tokenDto = jwtProvider.generateTokenDto(authenticationToken);
 		Authentication authentication = jwtProvider.getAuthentication(tokenDto.getAccessToken());
 
 		// then

server/src/test/java/com/ticketing/server/movie/service/MovieServiceImplTest.java

@@ -6,7 +6,6 @@ import static org.mockito.Mockito.when;
 import com.ticketing.server.movie.domain.Movie;
 import com.ticketing.server.movie.domain.repository.MovieRepository;
 import com.ticketing.server.movie.service.dto.MovieDTO;
-import com.ticketing.server.movie.service.dto.MovieListDTO;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
@@ -39,10 +38,10 @@ public class MovieServiceImplTest {
             .thenReturn(Collections.emptyList());
 
         // when
-        MovieListDTO movieListDto = movieService.getMovies();
+        List<MovieDTO> movieDTOList = movieService.getMovies();
 
         // then
-        assertTrue(movieListDto.getMovieDtos().isEmpty());
+        assertTrue(movieDTOList.isEmpty());
     }
 
     @Test
@@ -50,16 +49,18 @@ public class MovieServiceImplTest {
     void shouldAbleToGetMovies() {
         // given
         movie = new Movie("범죄도시2", 106L);
+        movieDto = movieDto.from(movie);
         movies.add(movie);
+        movieDTOS.add(movieDto);
 
         when(movieRepository.findValidMovies())
             .thenReturn(movies);
 
         // when
-	    MovieListDTO movieListDto = movieService.getMovies();
+        List<MovieDTO> movieDTOList = movieService.getMovies();
 
         // then
-        assertTrue(!movieListDto.getMovieDtos().isEmpty());
+        assertTrue(!movieDTOList.isEmpty());
     }
 
 }

server/src/test/java/com/ticketing/server/movie/service/TicketServiceImplTest.java

@@ -11,7 +11,7 @@ import com.ticketing.server.global.exception.TicketingException;
 import com.ticketing.server.movie.domain.Ticket;
 import com.ticketing.server.movie.domain.repository.TicketRepository;
 import com.ticketing.server.movie.service.dto.TicketDetailsDTO;
-import com.ticketing.server.payment.service.dto.TicketDetailDTO;
+import com.ticketing.server.payment.application.response.TicketDetailDTO;
 import java.util.Collections;
 import java.util.List;
 import org.junit.jupiter.api.DisplayName;

server/src/test/java/com/ticketing/server/payment/service/PaymentApisServiceImplTest.java

@@ -16,8 +16,7 @@ import com.ticketing.server.payment.api.MovieClient;
 import com.ticketing.server.payment.api.UserClient;
 import com.ticketing.server.payment.api.dto.response.UserDetailResponse;
 import com.ticketing.server.payment.application.response.PaymentDetailResponse;
-import com.ticketing.server.payment.service.dto.PaymentDetailDTO;
-import com.ticketing.server.payment.service.dto.TicketDetailDTO;
+import com.ticketing.server.payment.application.response.TicketDetailDTO;
 import com.ticketing.server.payment.domain.repository.PaymentRepository;
 import com.ticketing.server.user.domain.User;
 import com.ticketing.server.user.service.dto.UserDetailDTO;
@@ -105,7 +104,7 @@ class PaymentApisServiceImplTest {
 		when(movieClient.getTicketsByPaymentId(1L)).thenReturn(response);
 
 		// when
-		PaymentDetailDTO paymentDetail = paymentApisService.findPaymentDetail(1L);
+		PaymentDetailResponse paymentDetail = paymentApisService.findPaymentDetail(1L);
 
 		// then
 		assertAll(

server/src/test/java/com/ticketing/server/user/service/AuthenticationServiceImplTest.java

@@ -10,7 +10,7 @@ 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.service.dto.TokenDTO;
+import com.ticketing.server.user.application.response.TokenDto;
 import com.ticketing.server.user.domain.UserGrade;
 import java.util.Collections;
 import java.util.Optional;
@@ -70,7 +70,7 @@ class AuthenticationServiceImplTest {
 		when(jwtProperties.hasTokenStartsWith(refreshToken)).thenReturn(true);
 
 		// when
-		TokenDTO tokenDto = authenticationService.reissueTokenDto(refreshToken);
+		TokenDto tokenDto = authenticationService.reissueTokenDto(refreshToken);
 
 		// then
 		assertAll(

server/src/test/java/com/ticketing/server/user/service/UserApisServiceImplTest.java

@@ -11,9 +11,9 @@ import com.ticketing.server.payment.application.response.SimplePaymentsResponse;
 import com.ticketing.server.payment.service.dto.CreatePaymentDTO;
 import com.ticketing.server.payment.service.dto.SimplePaymentDTO;
 import com.ticketing.server.user.api.PaymentClient;
+import com.ticketing.server.user.application.response.PaymentsResponse;
 import com.ticketing.server.user.domain.User;
 import com.ticketing.server.user.domain.UserGrade;
-import com.ticketing.server.user.service.dto.PaymentsDTO;
 import com.ticketing.server.user.service.interfaces.UserService;
 import java.util.Arrays;
 import java.util.Collections;
@@ -53,12 +53,12 @@ class UserApisServiceImplTest {
 		when(paymentClient.getPayments(any())).thenReturn(new SimplePaymentsResponse(1L, Collections.emptyList()));
 
 		// when
-		PaymentsDTO paymentsDto = userApisService.findPaymentsByEmail("ticketing@gmail.com");
+		PaymentsResponse paymentDetails = userApisService.findPaymentsByEmail("ticketing@gmail.com");
 
 		// then
 		assertAll(
-			() -> assertThat(paymentsDto.getEmail()).isEqualTo("ticketing@gmail.com")
-			, () -> assertThat(paymentsDto.getPayments()).isEmpty()
+			() -> assertThat(paymentDetails.getEmail()).isEqualTo("ticketing@gmail.com")
+			, () -> assertThat(paymentDetails.getPayments()).hasSize(0)
 		);
 	}
 
@@ -77,12 +77,12 @@ class UserApisServiceImplTest {
 		when(paymentClient.getPayments(any())).thenReturn(new SimplePaymentsResponse(1L, payments));
 
 		// when
-		PaymentsDTO patmentsDto = userApisService.findPaymentsByEmail("ticketing@gmail.com");
+		PaymentsResponse paymentDetails = userApisService.findPaymentsByEmail("ticketing@gmail.com");
 
 		// then
 		assertAll(
-			() -> assertThat(patmentsDto.getEmail()).isEqualTo("ticketing@gmail.com")
-			, () -> assertThat(patmentsDto.getPayments()).hasSize(2)
+			() -> assertThat(paymentDetails.getEmail()).isEqualTo("ticketing@gmail.com")
+			, () -> assertThat(paymentDetails.getPayments()).hasSize(2)
 		);
 	}
 

server/src/test/java/com/ticketing/server/user/service/UserServiceImplTest.java

@@ -13,11 +13,8 @@ import com.ticketing.server.user.domain.User;
 import com.ticketing.server.user.domain.UserGrade;
 import com.ticketing.server.user.domain.repository.UserRepository;
 import com.ticketing.server.user.service.dto.ChangePasswordDTO;
-import com.ticketing.server.user.service.dto.ChangedPasswordUserDTO;
-import com.ticketing.server.user.service.dto.CreatedUserDTO;
 import com.ticketing.server.user.service.dto.DeleteUserDTO;
 import com.ticketing.server.user.service.dto.DeleteUserDTOTest;
-import com.ticketing.server.user.service.dto.DeletedUserDTO;
 import com.ticketing.server.user.service.dto.SignUpDTO;
 import com.ticketing.server.user.service.dto.UserDetailDTO;
 import java.util.Optional;
@@ -75,10 +72,10 @@ class UserServiceImplTest {
 		when(sequenceGenerator.generateId()).thenReturn(123L);
 
 		// when
-		CreatedUserDTO createdUserDto = userService.register(signUpDto);
+		User user = userService.register(signUpDto);
 
 		// then
-		assertThat(createdUserDto).isNotNull();
+		assertThat(user).isNotNull();
 	}
 
 	@Test
@@ -100,10 +97,10 @@ class UserServiceImplTest {
 		when(userRepository.findByEmailAndDeletedAtNull("ticketing@gmail.com")).thenReturn(Optional.of(user));
 
 		// when
-		DeletedUserDTO deletedUserDto = userService.delete(deleteUserDto);
+		User user = userService.delete(deleteUserDto);
 
 		// then
-		assertThat(deletedUserDto.getDeletedAt()).isNotNull();
+		assertThat(user.getDeletedAt()).isNotNull();
 	}
 
 	@Test
@@ -125,10 +122,10 @@ class UserServiceImplTest {
 		when(userRepository.findByEmailAndDeletedAtNull("ticketing@gmail.com")).thenReturn(Optional.of(user));
 
 		// when
-		ChangedPasswordUserDTO changedUserDto = userService.changePassword(changePasswordDto);
+		User user = userService.changePassword(changePasswordDto);
 
 		// then
-		assertThat(changedUserDto).isNotNull();
+		assertThat(user).isNotNull();
 	}
 
 	@Test