학생 조회 성능 개선: feat/student-search-querydsl

build.gradle

@@ -26,10 +26,12 @@ dependencies {
     implementation 'org.springframework.cloud:spring-cloud-starter-aws:2.2.6.RELEASE'
 
     // QueryDSL
-    implementation 'com.querydsl:querydsl-jpa:5.0.0:jakarta'
-    kapt 'com.querydsl:querydsl-apt:5.0.0:jakarta'
-    kapt "jakarta.annotation:jakarta.annotation-api"
-    kapt "jakarta.persistence:jakarta.persistence-api"
+
+    implementation("io.github.openfeign.querydsl:querydsl-jpa:7.1")
+
+    kapt("io.github.openfeign.querydsl:querydsl-apt:7.1:jpa")
+    kapt("jakarta.persistence:jakarta.persistence-api")
+    kapt("jakarta.annotation:jakarta.annotation-api")
 
     implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
     implementation 'org.springframework.boot:spring-boot-starter-security'
@@ -91,6 +93,8 @@ dependencies {
     testImplementation 'org.mockito:mockito-inline:4.1.0'
     testImplementation 'org.mockito.kotlin:mockito-kotlin:4.1.0'
     testImplementation 'org.junit.jupiter:junit-jupiter:5.10.0'
+
+    testRuntimeOnly("com.h2database:h2")
 }
 
 kotlin {

src/main/kotlin/com/b/beep/domain/absence/service/AbsenceService.kt

@@ -1,14 +1,14 @@
 package com.b.beep.domain.absence.service
 
-import com.b.beep.domain.absence.entity.AbsenceEntity
-import com.b.beep.domain.absence.error.AbsenceError
 import com.b.beep.domain.absence.controller.dto.request.CreateAbsenceRequest
 import com.b.beep.domain.absence.controller.dto.request.UpdateAbsenceRequest
+import com.b.beep.domain.absence.entity.AbsenceEntity
+import com.b.beep.domain.absence.error.AbsenceError
 import com.b.beep.domain.absence.repository.AbsenceRepository
-import com.b.beep.domain.user.repository.StudentInfoRepository
-import com.b.beep.global.exception.CustomException
 import com.b.beep.domain.user.domain.UserError
 import com.b.beep.domain.user.entity.UserEntity
+import com.b.beep.domain.user.repository.StudentInfoRepository
+import com.b.beep.global.exception.CustomException
 import org.springframework.data.repository.findByIdOrNull
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional

src/main/kotlin/com/b/beep/domain/approval/entity/ApprovalEntity.kt

@@ -1,8 +1,8 @@
 package com.b.beep.domain.approval.entity
 
+import com.b.beep.domain.attendance.domain.enums.Room
 import com.b.beep.domain.user.entity.UserEntity
 import com.b.beep.global.common.entity.BaseEntity
-import com.b.beep.domain.attendance.domain.enums.Room
 import jakarta.persistence.*
 import java.time.LocalDate
 

src/main/kotlin/com/b/beep/domain/approval/service/ApprovalService.kt

@@ -1,13 +1,13 @@
 package com.b.beep.domain.approval.service
 
-import com.b.beep.global.security.ContextHolder
 import com.b.beep.domain.approval.controller.dto.request.ApproveRequest
-import com.b.beep.domain.approval.repository.ApprovalRepository
-import com.b.beep.global.exception.CustomException
 import com.b.beep.domain.approval.entity.ApprovalEntity
 import com.b.beep.domain.approval.error.ApprovalError
+import com.b.beep.domain.approval.repository.ApprovalRepository
 import com.b.beep.domain.attendance.domain.PeriodResolver
 import com.b.beep.domain.attendance.domain.enums.Room
+import com.b.beep.global.exception.CustomException
+import com.b.beep.global.security.ContextHolder
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
 import java.time.LocalDate

src/main/kotlin/com/b/beep/domain/attendance/entity/AttendanceEntity.kt

@@ -1,8 +1,8 @@
 package com.b.beep.domain.attendance.entity
 
-import com.b.beep.domain.user.entity.UserEntity
 import com.b.beep.domain.attendance.domain.enums.AttendanceType
 import com.b.beep.domain.attendance.domain.enums.Room
+import com.b.beep.domain.user.entity.UserEntity
 import jakarta.persistence.*
 import java.time.LocalDate
 

src/main/kotlin/com/b/beep/domain/auth/controller/AuthController.kt

@@ -3,8 +3,8 @@ package com.b.beep.domain.auth.controller
 import com.b.beep.domain.auth.controller.docs.AuthDocs
 import com.b.beep.domain.auth.controller.dto.request.RefreshTokenRequest
 import com.b.beep.domain.auth.service.AuthService
-import com.b.beep.global.security.jwt.dto.response.TokenResponse
 import com.b.beep.global.common.dto.response.BaseResponse
+import com.b.beep.global.security.jwt.dto.response.TokenResponse
 import org.springframework.http.ResponseEntity
 import org.springframework.web.bind.annotation.PostMapping
 import org.springframework.web.bind.annotation.RequestBody

src/main/kotlin/com/b/beep/domain/auth/controller/DAuthController.kt

@@ -3,8 +3,8 @@ package com.b.beep.domain.auth.controller
 import com.b.beep.domain.auth.controller.docs.DAuthDocs
 import com.b.beep.domain.auth.controller.dto.request.LoginRequest
 import com.b.beep.domain.auth.service.AuthService
-import com.b.beep.global.security.jwt.dto.response.TokenResponse
 import com.b.beep.global.common.dto.response.BaseResponse
+import com.b.beep.global.security.jwt.dto.response.TokenResponse
 import org.springframework.http.ResponseEntity
 import org.springframework.web.bind.annotation.PostMapping
 import org.springframework.web.bind.annotation.RequestBody

src/main/kotlin/com/b/beep/domain/auth/controller/docs/AuthDocs.kt

@@ -1,8 +1,8 @@
 package com.b.beep.domain.auth.controller.docs
 
 import com.b.beep.domain.auth.controller.dto.request.RefreshTokenRequest
-import com.b.beep.global.security.jwt.dto.response.TokenResponse
 import com.b.beep.global.common.dto.response.BaseResponse
+import com.b.beep.global.security.jwt.dto.response.TokenResponse
 import io.swagger.v3.oas.annotations.Operation
 import io.swagger.v3.oas.annotations.tags.Tag
 import org.springframework.http.ResponseEntity

src/main/kotlin/com/b/beep/domain/auth/controller/docs/DAuthDocs.kt

@@ -1,8 +1,8 @@
 package com.b.beep.domain.auth.controller.docs
 
 import com.b.beep.domain.auth.controller.dto.request.LoginRequest
-import com.b.beep.global.security.jwt.dto.response.TokenResponse
 import com.b.beep.global.common.dto.response.BaseResponse
+import com.b.beep.global.security.jwt.dto.response.TokenResponse
 import io.swagger.v3.oas.annotations.Operation
 import io.swagger.v3.oas.annotations.tags.Tag
 import org.springframework.http.ResponseEntity

src/main/kotlin/com/b/beep/domain/auth/service/AuthService.kt

@@ -2,13 +2,13 @@ package com.b.beep.domain.auth.service
 
 import com.b.beep.domain.auth.controller.dto.request.LoginRequest
 import com.b.beep.domain.auth.repository.RefreshTokenRepository
-import com.b.beep.domain.user.service.StudentInfoService
 import com.b.beep.domain.user.domain.UserRole
+import com.b.beep.domain.user.service.StudentInfoService
+import com.b.beep.global.exception.CustomException
 import com.b.beep.global.security.jwt.JwtExtractor
 import com.b.beep.global.security.jwt.JwtProvider
 import com.b.beep.global.security.jwt.dto.response.TokenResponse
 import com.b.beep.global.security.jwt.error.JwtError
-import com.b.beep.global.exception.CustomException
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
 

src/main/kotlin/com/b/beep/domain/memo/service/MemoService.kt

@@ -1,10 +1,10 @@
 package com.b.beep.domain.memo.service
 
-import com.b.beep.domain.memo.entity.MemoEntity
-import com.b.beep.domain.memo.repository.MemoRepository
 import com.b.beep.domain.memo.controller.dto.request.CreateMemoRequest
 import com.b.beep.domain.memo.controller.dto.request.UpdateMemoRequest
 import com.b.beep.domain.memo.domain.error.MemoError
+import com.b.beep.domain.memo.entity.MemoEntity
+import com.b.beep.domain.memo.repository.MemoRepository
 import com.b.beep.global.exception.CustomException
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional

src/main/kotlin/com/b/beep/domain/scheduling/AttendanceScheduler.kt

@@ -16,7 +16,6 @@ import org.springframework.scheduling.annotation.Scheduled
 import org.springframework.stereotype.Component
 import org.springframework.transaction.annotation.Transactional
 import java.time.LocalDate
-import java.time.LocalDateTime
 
 @Component
 class AttendanceScheduler(

src/main/kotlin/com/b/beep/domain/shift/controller/ShiftManagementController.kt

@@ -2,8 +2,8 @@ package com.b.beep.domain.shift.controller
 
 import com.b.beep.domain.shift.controller.docs.ShiftManagementDocs
 import com.b.beep.domain.shift.controller.dto.response.ShiftResponse
-import com.b.beep.domain.shift.service.ShiftManagementService
 import com.b.beep.domain.shift.domain.enums.ShiftStatus
+import com.b.beep.domain.shift.service.ShiftManagementService
 import com.b.beep.domain.user.service.UserService
 import org.springframework.web.bind.annotation.*
 

src/main/kotlin/com/b/beep/domain/shift/controller/dto/response/ShiftResponse.kt

@@ -1,8 +1,8 @@
 package com.b.beep.domain.shift.controller.dto.response
 
 import com.b.beep.domain.attendance.domain.enums.Room
-import com.b.beep.domain.shift.entity.ShiftEntity
 import com.b.beep.domain.shift.domain.enums.ShiftStatus
+import com.b.beep.domain.shift.entity.ShiftEntity
 import com.b.beep.domain.user.controller.dto.response.UserResponse
 import com.b.beep.domain.user.entity.StudentInfoEntity
 import java.time.LocalDate

src/main/kotlin/com/b/beep/domain/shift/entity/ShiftEntity.kt

@@ -1,9 +1,9 @@
 package com.b.beep.domain.shift.entity
 
-import com.b.beep.domain.user.entity.UserEntity
-import com.b.beep.global.common.entity.BaseEntity
 import com.b.beep.domain.attendance.domain.enums.Room
 import com.b.beep.domain.shift.domain.enums.ShiftStatus
+import com.b.beep.domain.user.entity.UserEntity
+import com.b.beep.global.common.entity.BaseEntity
 import jakarta.persistence.*
 import java.time.LocalDate
 

src/main/kotlin/com/b/beep/domain/shift/service/ShiftManagementService.kt

@@ -4,10 +4,10 @@ import com.b.beep.domain.attendance.domain.enums.AttendanceType
 import com.b.beep.domain.attendance.domain.enums.Room
 import com.b.beep.domain.attendance.domain.error.AttendanceError
 import com.b.beep.domain.attendance.repository.AttendanceRepository
-import com.b.beep.domain.shift.entity.ShiftEntity
-import com.b.beep.domain.shift.repository.ShiftRepository
 import com.b.beep.domain.shift.domain.enums.ShiftStatus
 import com.b.beep.domain.shift.domain.error.ShiftError
+import com.b.beep.domain.shift.entity.ShiftEntity
+import com.b.beep.domain.shift.repository.ShiftRepository
 import com.b.beep.domain.user.entity.UserEntity
 import com.b.beep.global.exception.CustomException
 import org.springframework.data.repository.findByIdOrNull

src/main/kotlin/com/b/beep/domain/student/controller/GetNotAttendedStudentController.kt

@@ -1,10 +1,10 @@
 package com.b.beep.domain.student.controller
 
+import com.b.beep.domain.attendance.domain.enums.AttendanceType
+import com.b.beep.domain.attendance.domain.enums.Room
 import com.b.beep.domain.student.controller.docs.GetNotAttendedStudentDocs
 import com.b.beep.domain.student.controller.dto.response.StudentResponse
 import com.b.beep.domain.student.service.GetNotAttendedStudentService
-import com.b.beep.domain.attendance.domain.enums.AttendanceType
-import com.b.beep.domain.attendance.domain.enums.Room
 import org.springframework.http.HttpStatus
 import org.springframework.web.bind.annotation.*
 

src/main/kotlin/com/b/beep/domain/student/controller/GetStudentController.kt

@@ -1,10 +1,10 @@
 package com.b.beep.domain.student.controller
 
+import com.b.beep.domain.attendance.domain.enums.AttendanceType
+import com.b.beep.domain.attendance.domain.enums.Room
 import com.b.beep.domain.student.controller.docs.GetStudentDocs
 import com.b.beep.domain.student.controller.dto.response.StudentResponse
 import com.b.beep.domain.student.service.GetStudentService
-import com.b.beep.domain.attendance.domain.enums.AttendanceType
-import com.b.beep.domain.attendance.domain.enums.Room
 import org.springframework.http.HttpStatus
 import org.springframework.web.bind.annotation.*
 

src/main/kotlin/com/b/beep/domain/student/controller/docs/GetNotAttendedStudentDocs.kt

@@ -1,8 +1,8 @@
 package com.b.beep.domain.student.controller.docs
 
-import com.b.beep.domain.student.controller.dto.response.StudentResponse
 import com.b.beep.domain.attendance.domain.enums.AttendanceType
 import com.b.beep.domain.attendance.domain.enums.Room
+import com.b.beep.domain.student.controller.dto.response.StudentResponse
 import io.swagger.v3.oas.annotations.Operation
 import io.swagger.v3.oas.annotations.tags.Tag
 

src/main/kotlin/com/b/beep/domain/student/controller/docs/GetStudentDocs.kt

@@ -1,8 +1,8 @@
 package com.b.beep.domain.student.controller.docs
 
-import com.b.beep.domain.student.controller.dto.response.StudentResponse
 import com.b.beep.domain.attendance.domain.enums.AttendanceType
 import com.b.beep.domain.attendance.domain.enums.Room
+import com.b.beep.domain.student.controller.dto.response.StudentResponse
 import io.swagger.v3.oas.annotations.Operation
 import io.swagger.v3.oas.annotations.tags.Tag
 

src/main/kotlin/com/b/beep/domain/student/controller/dto/StudentQueryDto.kt

@@ -0,0 +1,14 @@
+package com.b.beep.domain.student.controller.dto
+
+import com.b.beep.domain.attendance.entity.AttendanceEntity
+import com.b.beep.domain.user.entity.FixedRoomEntity
+import com.b.beep.domain.user.entity.StudentInfoEntity
+import com.b.beep.domain.user.entity.UserEntity
+import com.querydsl.core.annotations.QueryProjection
+
+data class StudentQueryDto @QueryProjection constructor(
+    val user: UserEntity,
+    val studentInfo: StudentInfoEntity,
+    val fixedRooms: List<FixedRoomEntity?>?,
+    val attendances: List<AttendanceEntity>?
+)

src/main/kotlin/com/b/beep/domain/student/controller/dto/response/StudentResponse.kt

@@ -1,11 +1,8 @@
 package com.b.beep.domain.student.controller.dto.response
 
-import com.b.beep.domain.user.controller.dto.response.FixedRoomResponse
 import com.b.beep.domain.attendance.domain.enums.AttendanceType
-import com.b.beep.domain.user.entity.UserEntity
-import com.b.beep.domain.user.entity.StudentInfoEntity
-import com.b.beep.domain.user.entity.FixedRoomEntity
-import com.b.beep.domain.attendance.entity.AttendanceEntity
+import com.b.beep.domain.student.controller.dto.StudentQueryDto
+import com.b.beep.domain.user.controller.dto.response.FixedRoomResponse
 
 data class StudentResponse(
     val username: String,
@@ -15,18 +12,48 @@ data class StudentResponse(
 ) {
     companion object {
         fun of(
-            user: UserEntity,
-            studentInfo: StudentInfoEntity,
-            fixedRooms: List<FixedRoomEntity>?,
-            attendances: List<AttendanceEntity>
+            studentQueryDto: StudentQueryDto
         ): StudentResponse {
             return StudentResponse(
-                username = user.username,
-                studentId = String.format("%d%d%02d", studentInfo.grade, studentInfo.cls, studentInfo.num),
-                fixedRooms = fixedRooms?.map { FixedRoomResponse.of(it) },
-                statuses = attendances.map { StatusResponse(it.period, it.type) }
+                username = studentQueryDto.user.username,
+                studentId = String.format("%d%d%02d", studentQueryDto.studentInfo.grade, studentQueryDto.studentInfo.cls, studentQueryDto.studentInfo.num),
+                fixedRooms = studentQueryDto.fixedRooms.orEmpty().mapNotNull { room ->
+                    room?.let { FixedRoomResponse.of(it) }
+                },
+                statuses = studentQueryDto.attendances.orEmpty().map { attendance ->
+                    attendance.let { StatusResponse(it.period, it.type) }
+                }
             )
         }
+
+        private fun ofFixedRoomNull(
+            studentQueryDto: StudentQueryDto
+        ): StudentResponse {
+            return StudentResponse(
+                username = studentQueryDto.user.username,
+                studentId = String.format("%d%d%02d", studentQueryDto.studentInfo.grade, studentQueryDto.studentInfo.cls, studentQueryDto.studentInfo.num),
+                fixedRooms = null,
+                statuses = studentQueryDto.attendances.orEmpty().map { attendance ->
+                    attendance.let { StatusResponse(it.period, it.type) }
+                }
+            )
+        }
+
+        fun ofStudentQueryDtoList(
+            studentQueryDtos: List<StudentQueryDto>
+        ): List<StudentResponse> {
+            return studentQueryDtos.map { dto ->
+                of(dto)
+            }
+        }
+
+        fun ofStudentQueryDtoListFixedRoomsNull(
+            studentQueryDtos: List<StudentQueryDto>
+        ): List<StudentResponse> {
+            return studentQueryDtos.map { dto ->
+                ofFixedRoomNull(dto)
+            }
+        }
     }
 }