feat: 회원 설문 도메인 및 API 구현

src/main/kotlin/com/doki/global/security/JwtProvider.kt

@@ -1,7 +1,7 @@
 package com.doki.global.security
 
 import com.doki.user.auth.infrastructure.dto.response.TokenResponse
-import com.doki.user.domain.vo.UserRole
+import com.doki.user.user.domain.vo.UserRole
 import io.jsonwebtoken.*
 import io.jsonwebtoken.io.Decoders
 import io.jsonwebtoken.security.Keys

src/main/kotlin/com/doki/mypage/ui/MyPageApi.kt

@@ -2,7 +2,7 @@ package com.doki.mypage.ui
 
 import com.doki.productpackage.reservation.application.dto.ReservationSummaryResponse
 import com.doki.review.application.dto.PackageReviewResponse
-import com.doki.user.application.dto.GetUserLoginInfoResponse
+import com.doki.user.user.application.dto.GetUserLoginInfoResponse
 import io.swagger.v3.oas.annotations.Operation
 import io.swagger.v3.oas.annotations.Parameter
 import io.swagger.v3.oas.annotations.media.Content

src/main/kotlin/com/doki/mypage/ui/MyPageController.kt

@@ -5,8 +5,8 @@ import com.doki.productpackage.reservation.application.ReservationQueryService
 import com.doki.productpackage.reservation.application.dto.ReservationSummaryResponse
 import com.doki.review.application.PackageReviewQueryService
 import com.doki.review.application.dto.PackageReviewResponse
-import com.doki.user.application.UserService
-import com.doki.user.application.dto.GetUserLoginInfoResponse
+import com.doki.user.user.application.UserService
+import com.doki.user.user.application.dto.GetUserLoginInfoResponse
 import org.springframework.http.ResponseEntity
 import org.springframework.web.bind.annotation.GetMapping
 import org.springframework.web.bind.annotation.PathVariable

src/main/kotlin/com/doki/user/auth/application/AuthService.kt

@@ -7,10 +7,10 @@ import com.doki.user.auth.domain.vo.AuthProvider
 import com.doki.global.exceptions.CustomException
 import com.doki.global.exceptions.auth.AuthExceptionType
 import com.doki.global.security.JwtProvider
-import com.doki.user.domain.User
+import com.doki.user.user.domain.User
 import com.doki.user.auth.domain.UserOAuth
-import com.doki.user.infrastructure.UserOAuthRepository
-import com.doki.user.infrastructure.UserRepository
+import com.doki.user.user.domain.UserRepository
+import com.doki.user.user.infrastructure.UserOAuthRepository
 import jakarta.servlet.http.HttpServletResponse
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
@@ -46,10 +46,10 @@ class AuthService(
             }
 
         val user = userRepository.findById(userId)
-            .orElseThrow { CustomException(AuthExceptionType.USER_NOT_FOUND) }
+            ?: throw CustomException(AuthExceptionType.USER_NOT_FOUND)
 
         // 마지막 로그인 시각 업데이트
-        user.updateLasLoginTime()
+        user.updateLastLoginTime()
 
         return jwtProvider.generateToken(user.id, user.role)
     }
@@ -67,7 +67,7 @@ class AuthService(
 
         val userId = jwtProvider.getSubjectAsUserId(refreshToken)
         val user = userRepository.findById(userId)
-            .orElseThrow { CustomException(AuthExceptionType.USER_NOT_FOUND) }
+            ?: throw CustomException(AuthExceptionType.USER_NOT_FOUND)
 
         // accessToken, refreshToken 재발급
         val tokenResponse = jwtProvider.generateToken(user.id, user.role)

src/main/kotlin/com/doki/user/application/UserService.kt → src/main/kotlin/com/doki/user/user/application/UserService.kt

@@ -1,10 +1,10 @@
-package com.doki.user.application
+package com.doki.user.user.application
 
 import com.doki.global.exceptions.CustomException
 import com.doki.global.exceptions.auth.AuthExceptionType
-import com.doki.user.application.dto.GetUserLoginInfoResponse
-import com.doki.user.domain.User
-import com.doki.user.infrastructure.UserRepository
+import com.doki.user.user.application.dto.GetUserLoginInfoResponse
+import com.doki.user.user.domain.User
+import com.doki.user.user.domain.UserRepository
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
 
@@ -20,7 +20,7 @@ class UserService(
 
     private fun findUser(userId: Long): User =
         userRepository.findById(userId)
-            .orElseThrow { CustomException(AuthExceptionType.USER_NOT_FOUND) }
+            ?: throw CustomException(AuthExceptionType.USER_NOT_FOUND)
 
     @Transactional
     fun updateNickname(userId: Long, nickname: String): GetUserLoginInfoResponse {

src/main/kotlin/com/doki/user/user/application/UserSurveyCommandService.kt

@@ -0,0 +1,39 @@
+package com.doki.user.user.application
+
+import com.doki.user.user.application.dto.CreateUserSurveyCommand
+import com.doki.user.user.domain.UserRepository
+import com.doki.user.user.domain.UserSurvey
+import com.doki.user.user.domain.dto.UserSurveyCreatedResponse
+import com.doki.user.user.domain.dto.UserSurveyResponse
+import com.doki.user.user.domain.UserSurveyRepository
+import org.springframework.stereotype.Service
+import org.springframework.transaction.annotation.Transactional
+
+@Transactional
+@Service
+class UserSurveyCommandService(
+    private val userRepository: UserRepository,
+    private val userSurveyRepository: UserSurveyRepository,
+) {
+
+    fun saveUserSurvey(userId: Long, command: CreateUserSurveyCommand): UserSurveyCreatedResponse {
+        val user = userRepository.findById(userId)
+            ?: throw IllegalArgumentException("User with id $userId does not exist.")
+
+        if (userSurveyRepository.existsByUserId(userId)) {
+            throw IllegalArgumentException("UserSurvey already exists.")
+        }
+
+        val survey = UserSurvey.of(
+            user = user,
+            concept = command.concept,
+            idolName = command.idolName,
+            visitStartDate = command.visitStartDate,
+            visitEndDate = command.visitEndDate,
+            places = command.places
+        )
+
+        val saved = userSurveyRepository.save(survey)
+        return UserSurveyCreatedResponse(saved.id)
+    }
+}

src/main/kotlin/com/doki/user/user/application/UserSurveyQueryService.kt

@@ -0,0 +1,20 @@
+package com.doki.user.user.application
+
+import com.doki.user.user.domain.UserSurveyRepository
+import com.doki.user.user.domain.dto.UserSurveyResponse
+import org.springframework.stereotype.Service
+import org.springframework.transaction.annotation.Transactional
+
+@Transactional(readOnly = true)
+@Service
+class UserSurveyQueryService(
+    private val userSurveyRepository: UserSurveyRepository
+) {
+
+    fun findUserSurvey(userId: Long): UserSurveyResponse {
+        val survey = userSurveyRepository.findByUserId(userId)
+            ?: throw IllegalArgumentException("UserSurvey does not exist.")
+
+        return UserSurveyResponse.from(survey)
+    }
+}

src/main/kotlin/com/doki/user/user/application/dto/CreateUserSurveyCommand.kt

@@ -0,0 +1,12 @@
+package com.doki.user.user.application.dto
+
+import com.doki.user.user.domain.vo.ConceptType
+import java.time.LocalDate
+
+data class CreateUserSurveyCommand (
+    val concept: ConceptType,
+    val idolName: String,
+    val visitStartDate: LocalDate,
+    val visitEndDate: LocalDate,
+    val places: List<String>
+)

src/main/kotlin/com/doki/user/application/dto/GetUserLoginInfoResponse.kt → src/main/kotlin/com/doki/user/user/application/dto/GetUserLoginInfoResponse.kt

@@ -1,6 +1,6 @@
-package com.doki.user.application.dto
+package com.doki.user.user.application.dto
 
-import com.doki.user.domain.User
+import com.doki.user.user.domain.User
 import io.swagger.v3.oas.annotations.media.Schema
 import java.time.LocalDateTime
 

src/main/kotlin/com/doki/user/domain/User.kt → src/main/kotlin/com/doki/user/user/domain/User.kt

@@ -1,7 +1,7 @@
-package com.doki.user.domain
+package com.doki.user.user.domain
 
-import com.doki.user.domain.vo.Nickname
-import com.doki.user.domain.vo.UserRole
+import com.doki.user.user.domain.vo.Nickname
+import com.doki.user.user.domain.vo.UserRole
 import jakarta.persistence.Column
 import jakarta.persistence.Embedded
 import jakarta.persistence.Entity
@@ -34,7 +34,7 @@ class User(
     var lastLoginAt: LocalDateTime? = null
 ) {
     // 마지막 로그인 시점 업데이트
-    fun updateLasLoginTime(now: LocalDateTime = LocalDateTime.now()) {
+    fun updateLastLoginTime(now : LocalDateTime = LocalDateTime.now()) {
         this.lastLoginAt = now
     }
 

src/main/kotlin/com/doki/user/user/domain/UserRepository.kt

@@ -0,0 +1,10 @@
+package com.doki.user.user.domain
+
+interface UserRepository {
+
+    fun findById(userId: Long): User?
+
+    fun findByEmail(email: String): User?
+
+    fun save(user: User): User
+}

src/main/kotlin/com/doki/user/user/domain/UserSurvey.kt

@@ -0,0 +1,70 @@
+package com.doki.user.user.domain
+
+import com.doki.global.BaseEntity
+import com.doki.user.user.domain.vo.ConceptType
+import jakarta.persistence.*
+import java.time.LocalDate
+
+@Entity
+@Table(name = "user_survey")
+class UserSurvey(
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    val id: Long = 0L,
+
+    @OneToOne(fetch = FetchType.LAZY, optional = false)
+    @JoinColumn(name = "user_id", nullable = false, unique = true)
+    val user: User,
+
+    @Enumerated(EnumType.STRING)
+    @Column(nullable = false, length = 30)
+    val concept: ConceptType,
+
+    @Column(name = "idol_name", nullable = false)
+    val idolName: String,
+
+    @Column(name = "visit_start_date", nullable = false)
+    val visitStartDate: LocalDate,
+
+    @Column(name = "visit_end_date", nullable = false)
+    val visitEndDate: LocalDate,
+
+    @ElementCollection
+    @CollectionTable(
+        name = "user_survey_places",
+        joinColumns = [JoinColumn(name = "user_survey_id")]
+    )
+    @Column(name = "place", nullable = false, length = 100)
+    val places: List<String>
+) : BaseEntity() {
+
+    init {
+        require(places.isNotEmpty()) { "place must not be empty" }
+        require(!visitEndDate.isBefore(visitStartDate)) { "visitEndDate must be on or after visitStartDate" }
+    }
+
+    companion object {
+        private fun normalizePlaces(places: List<String>): List<String> =
+            places.map { it.trim() }
+                .filter { it.isNotBlank() }
+                .distinct()
+
+        fun of(
+            user: User,
+            concept: ConceptType,
+            idolName: String,
+            visitStartDate: LocalDate,
+            visitEndDate: LocalDate,
+            places: List<String>
+        ): UserSurvey {
+            return UserSurvey(
+                user = user,
+                concept = concept,
+                idolName = idolName.trim(),
+                visitStartDate = visitStartDate,
+                visitEndDate = visitEndDate,
+                places = normalizePlaces(places)
+            )
+        }
+    }
+}

src/main/kotlin/com/doki/user/user/domain/UserSurveyRepository.kt

@@ -0,0 +1,10 @@
+package com.doki.user.user.domain
+
+interface UserSurveyRepository {
+
+    fun findByUserId(userId: Long): UserSurvey?
+
+    fun existsByUserId(userId: Long): Boolean
+
+    fun save(userSurvey: UserSurvey): UserSurvey
+}

src/main/kotlin/com/doki/user/user/domain/dto/UserSurveyCreatedResponse.kt

@@ -0,0 +1,8 @@
+package com.doki.user.user.domain.dto
+
+import io.swagger.v3.oas.annotations.media.Schema
+
+data class UserSurveyCreatedResponse(
+    @field:Schema(description = "생성된 설문조사 ID", example = "1")
+    val id: Long
+)

src/main/kotlin/com/doki/user/user/domain/dto/UserSurveyResponse.kt

@@ -0,0 +1,39 @@
+package com.doki.user.user.domain.dto
+
+import com.doki.user.user.domain.UserSurvey
+import com.doki.user.user.domain.vo.ConceptType
+import io.swagger.v3.oas.annotations.media.Schema
+import java.time.LocalDate
+
+data class UserSurveyResponse(
+    @field:Schema(description = "설문조사 ID", example = "1")
+    val id: Long,
+
+    @field:Schema(description = "선호 컨셉", example = "GIRL_CRUSH")
+    val concept: ConceptType,
+
+    @field:Schema(description = "선호 아이돌 또는 그룹", example = "에스파")
+    val idolName: String,
+
+    @field:Schema(description = "여행 시작일", example = "2025-07-20")
+    val visitStartDate: LocalDate,
+
+    @field:Schema(description = "여행 종료일", example = "2025-07-22")
+    val visitEndDate: LocalDate,
+
+    @field:Schema(description = "여행 장소", example = "['용산구', '마포구']")
+    val places: List<String>
+) {
+    companion object {
+        fun from(userSurvey: UserSurvey): UserSurveyResponse {
+            return UserSurveyResponse(
+                id = userSurvey.id,
+                concept = userSurvey.concept,
+                idolName = userSurvey.idolName,
+                visitStartDate = userSurvey.visitStartDate,
+                visitEndDate = userSurvey.visitEndDate,
+                places = userSurvey.places
+            )
+        }
+    }
+}

src/main/kotlin/com/doki/user/domain/exception/UserExceptionType.kt → src/main/kotlin/com/doki/user/user/domain/exception/UserExceptionType.kt

@@ -1,4 +1,4 @@
-package com.doki.user.domain.exception
+package com.doki.user.user.domain.exception
 
 import com.doki.global.exceptions.CustomExceptionType
 

src/main/kotlin/com/doki/user/user/domain/vo/ConceptType.kt

@@ -0,0 +1,10 @@
+package com.doki.user.user.domain.vo
+
+enum class ConceptType {
+    GIRL_CRUSH,
+    LOVELY_FRESH,
+    ELEGANT_GLAM,
+    DREAMY,
+    HIGHTEEN,
+    ETC
+}

src/main/kotlin/com/doki/user/domain/vo/Nickname.kt → src/main/kotlin/com/doki/user/user/domain/vo/Nickname.kt

@@ -1,7 +1,7 @@
-package com.doki.user.domain.vo
+package com.doki.user.user.domain.vo
 
 import com.doki.global.exceptions.CustomException
-import com.doki.user.domain.exception.UserExceptionType
+import com.doki.user.user.domain.exception.UserExceptionType
 import jakarta.persistence.Column
 import jakarta.persistence.Embeddable
 

src/main/kotlin/com/doki/user/domain/vo/UserRole.kt → src/main/kotlin/com/doki/user/user/domain/vo/UserRole.kt

@@ -1,4 +1,4 @@
-package com.doki.user.domain.vo
+package com.doki.user.user.domain.vo
 
 enum class UserRole {
     USER       // 회원