[Fix/#153] 반 상세조회 요구사항 변경

src/main/java/com/ohdab/classroom/controller/ClassroomController.java

@@ -25,7 +25,7 @@ public class ClassroomController {
 
     private final AddClassroomUsecase addClassroomUsecase;
     private final FindClassroomListUsecase findClassroomListUsecase;
-    private final FindClassroomDetailUsecase findClassroomDetailUsecase;
+    private final GetClassroomDetailInfoUsecase getClassroomDetailInfoUsecase;
     private final UpdateClassroomInfoUsecase updateClassroomInfoUsecase;
     private final DeleteClassroomUsecase deleteClassroomUsecase;
     private final DeleteStudentUsecase deleteStudentUsecase;
@@ -55,7 +55,7 @@ public ResponseEntity<ClassroomResList> getClassroomListByTeacherId(
     public ResponseEntity<ClassroomDetailRes> getClassroomDetailById(
             @PathVariable("classroom-id") long id) {
         ClassroomDetailDtoResponse classroomDetail =
-                findClassroomDetailUsecase.getClassroomDetailById(id);
+                getClassroomDetailInfoUsecase.getClassroomDetailById(id);
         ClassroomDetailRes classroomDetailRes =
                 ClassroomMapper.classroomDetailToClassroomDetailRes(classroomDetail);
         return ResponseEntity.ok(classroomDetailRes);

src/main/java/com/ohdab/classroom/controller/mapper/ClassroomMapper.java

@@ -67,8 +67,25 @@ public static ClassroomDetailRes classroomDetailToClassroomDetailRes(
                 .name(detailDto.getInfo().getName())
                 .description(detailDto.getInfo().getDescription())
                 .grade(detailDto.getInfo().getGrade())
-                .studentIds(detailDto.getStudentIds())
-                .workbookIds(detailDto.getWorkbookIds())
+                .studentInfoList(
+                        detailDto.getStudentInfoDtoList().stream()
+                                .map(
+                                        studentInfo ->
+                                                ClassroomDetailRes.StudentInfo.builder()
+                                                        .studentId(studentInfo.getStudentId())
+                                                        .studentName(studentInfo.getStudentName())
+                                                        .build())
+                                .collect(Collectors.toList()))
+                .workbookInfoList(
+                        detailDto.getWorkbookInfoDtoList().stream()
+                                .map(
+                                        workbookInfo ->
+                                                ClassroomDetailRes.WorkbookInfo.builder()
+                                                        .workbookId(workbookInfo.getWorkbookId())
+                                                        .workbookName(
+                                                                workbookInfo.getWorkbookName())
+                                                        .build())
+                                .collect(Collectors.toList()))
                 .build();
     }
 

src/main/java/com/ohdab/classroom/controller/response/ClassroomDetailRes.java

@@ -15,6 +15,22 @@ public class ClassroomDetailRes {
     private String grade;
 
     private long teacherId;
-    private List<Long> studentIds;
-    private List<Long> workbookIds;
+    private List<StudentInfo> studentInfoList;
+    private List<WorkbookInfo> workbookInfoList;
+
+    @Getter
+    @Builder
+    public static class StudentInfo {
+
+        private long studentId;
+        private String studentName;
+    }
+
+    @Getter
+    @Builder
+    public static class WorkbookInfo {
+
+        private long workbookId;
+        private String workbookName;
+    }
 }

src/main/java/com/ohdab/classroom/service/GetClassroomDetailInfoService.java

@@ -1,13 +1,18 @@
 package com.ohdab.classroom.service;
 
 import static com.ohdab.classroom.service.dto.ClassroomDetailDto.ClassroomDetailDtoResponse;
+import static com.ohdab.classroom.service.helper.ClassroomHelperService.findExistingClassroom;
 
 import com.ohdab.classroom.domain.Classroom;
-import com.ohdab.classroom.exception.NoClassroomException;
 import com.ohdab.classroom.repository.ClassroomRepository;
-import com.ohdab.classroom.service.mapper.ClassroomDetailServiceMapper;
+import com.ohdab.classroom.service.dto.ClassroomDetailDto;
 import com.ohdab.classroom.service.usecase.GetClassroomDetailInfoUsecase;
-import com.ohdab.core.exception.ExceptionEnum;
+import com.ohdab.member.domain.student.studentid.StudentId;
+import com.ohdab.member.repository.mapper.MemberMapper;
+import com.ohdab.workbook.domain.workbookid.WorkbookId;
+import com.ohdab.workbook.repository.mapper.WorkbookMapper;
+import java.util.List;
+import java.util.stream.Collectors;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -18,16 +23,47 @@
 public class GetClassroomDetailInfoService implements GetClassroomDetailInfoUsecase {
 
     private final ClassroomRepository classroomRepository;
+    private final MemberMapper memberMapper;
+    private final WorkbookMapper workbookMapper;
 
     @Override
     public ClassroomDetailDtoResponse getClassroomDetailById(long classroomId) {
-        Classroom classroom =
-                classroomRepository
-                        .findById(classroomId)
-                        .orElseThrow(
-                                () ->
-                                        new NoClassroomException(
-                                                ExceptionEnum.NO_CLASSROOM.getMessage()));
-        return ClassroomDetailServiceMapper.classroomToClassroomDetail(classroom);
+        Classroom classroom = findExistingClassroom(classroomId, classroomRepository);
+        List<ClassroomDetailDto.StudentInfoDto> students =
+                memberMapper.findAllStudentForClassroomInfo(
+                        getStudentIdList(classroom.getStudents()));
+        List<ClassroomDetailDto.WorkbookInfoDto> workbooks =
+                workbookMapper.findAllWorkbookForClassroomInfo(
+                        getWorkbookIdList(classroom.getWorkbooks()));
+        return mapToClassroomDetailDtoResponse(classroom, students, workbooks);
+    }
+
+    private List<Long> getStudentIdList(List<StudentId> students) {
+        return students.stream().map(StudentId::getId).collect(Collectors.toList());
+    }
+
+    private List<Long> getWorkbookIdList(List<WorkbookId> workbookIds) {
+        return workbookIds.stream().map(WorkbookId::getId).collect(Collectors.toList());
+    }
+
+    private ClassroomDetailDtoResponse mapToClassroomDetailDtoResponse(
+            Classroom classroom,
+            List<ClassroomDetailDto.StudentInfoDto> students,
+            List<ClassroomDetailDto.WorkbookInfoDto> workbooks) {
+        return ClassroomDetailDtoResponse.builder()
+                .classroomId(classroom.getId())
+                .teacherId(classroom.getTeacher().getId())
+                .info(mapToClassRoomDetailInfo(classroom))
+                .studentInfoDtoList(students)
+                .workbookInfoDtoList(workbooks)
+                .build();
+    }
+
+    private ClassroomDetailDto.ClassroomDetailInfo mapToClassRoomDetailInfo(Classroom classroom) {
+        return ClassroomDetailDto.ClassroomDetailInfo.builder()
+                .name(classroom.getClassroomInfo().getName())
+                .description(classroom.getClassroomInfo().getDescription())
+                .grade(classroom.getClassroomInfo().getGrade().toString())
+                .build();
     }
 }

src/main/java/com/ohdab/classroom/service/dto/ClassroomDetailDto.java

@@ -1,16 +1,17 @@
 package com.ohdab.classroom.service.dto;
 
 import java.util.List;
+import lombok.AccessLevel;
 import lombok.Builder;
 import lombok.Getter;
+import lombok.NoArgsConstructor;
 
-@Getter
-@Builder
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
 public class ClassroomDetailDto {
 
     @Getter
     @Builder
-    public static class ClassroomDetailDtoInfo {
+    public static class ClassroomDetailInfo {
         private String name;
         private String description;
         private String grade;
@@ -29,10 +30,26 @@ public static class ClassroomDetailDtoResponse {
 
         private long teacherId;
 
-        private ClassroomDetailDtoInfo info;
+        private ClassroomDetailInfo info;
 
-        private List<Long> studentIds;
+        private List<StudentInfoDto> studentInfoDtoList;
 
-        private List<Long> workbookIds;
+        private List<WorkbookInfoDto> workbookInfoDtoList;
+    }
+
+    @Getter
+    @Builder
+    public static class StudentInfoDto {
+
+        private long studentId;
+        private String studentName;
+    }
+
+    @Getter
+    @Builder
+    public static class WorkbookInfoDto {
+
+        private long workbookId;
+        private String workbookName;
     }
 }

src/main/java/com/ohdab/member/repository/mapper/MemberMapper.java

@@ -2,11 +2,15 @@
 
 import static com.ohdab.mistakenote.service.dto.GetAllMistakeNoteInfoDto.Response.StudentInfoDto;
 
+import com.ohdab.classroom.service.dto.ClassroomDetailDto;
 import java.util.List;
 import org.apache.ibatis.annotations.Mapper;
 
 @Mapper
 public interface MemberMapper {
 
-    List<StudentInfoDto> findAllStudent(List<Long> studentIdList);
+    List<StudentInfoDto> findAllStudentForMistakeNoteInfo(List<Long> studentIdList);
+
+    List<ClassroomDetailDto.StudentInfoDto> findAllStudentForClassroomInfo(
+            List<Long> studentIdList);
 }

src/main/java/com/ohdab/mistakenote/service/GetMistakeNoteInfoService.java

@@ -76,7 +76,8 @@ public GetAllMistakeNoteInfoDto.Response getAllMistakeNoteInfo(long workbookId)
         if (mistakeNotesIsEmpty(mistakeNotes)) {
             throw new MistakeNoteIsEmptyException(ExceptionEnum.MISTAKE_NOTE_IS_EMPTY.getMessage());
         }
-        List<StudentInfoDto> students = memberMapper.findAllStudent(getStudentIdList(mistakeNotes));
+        List<StudentInfoDto> students =
+                memberMapper.findAllStudentForMistakeNoteInfo(getStudentIdList(mistakeNotes));
         List<AllMistakeNoteInfoDto> allMistakeNoteInfoDto =
                 mistakeRecordMapper.findAllMistakeNoteInfo(getMistakeNoteIdList(mistakeNotes));
         return GetAllMistakeNoteInfoDto.Response.builder()

src/main/java/com/ohdab/workbook/repository/mapper/WorkbookMapper.java

@@ -0,0 +1,12 @@
+package com.ohdab.workbook.repository.mapper;
+
+import com.ohdab.classroom.service.dto.ClassroomDetailDto;
+import java.util.List;
+import org.apache.ibatis.annotations.Mapper;
+
+@Mapper
+public interface WorkbookMapper {
+
+    List<ClassroomDetailDto.WorkbookInfoDto> findAllWorkbookForClassroomInfo(
+            List<Long> workbookIdList);
+}

src/main/resources/mapper/MemberMapper.xml

@@ -2,7 +2,7 @@
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 <mapper namespace="com.ohdab.member.repository.mapper.MemberMapper">
-    <select id="findAllStudent" parameterType="java.util.List" resultType="com.ohdab.mistakenote.service.dto.GetAllMistakeNoteInfoDto$Response$StudentInfoDto">
+    <select id="findAllStudentForMistakeNoteInfo" parameterType="java.util.List" resultType="com.ohdab.mistakenote.service.dto.GetAllMistakeNoteInfoDto$Response$StudentInfoDto">
         select member_id   as "studentId",
                member_name as "name"
         from MEMBER
@@ -12,4 +12,15 @@
         </foreach>
         order by member_id asc
     </select>
+
+    <select id="findAllStudentForClassroomInfo" parameterType="java.util.List" resultType="com.ohdab.classroom.service.dto.ClassroomDetailDto$StudentInfoDto">
+        select member_id   as "studentId",
+        member_name as "name"
+        from MEMBER
+        where member_id in
+        <foreach collection="list" item="student_id" index="index" separator="," open="(" close=")">
+            #{student_id}
+        </foreach>
+        order by member_id asc
+    </select>
 </mapper>

src/main/resources/mapper/WorkbookMapper.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.ohdab.workbook.repository.mapper.WorkbookMapper">
+    <select id="findAllWorkbookForClassroomInfo" parameterType="java.util.List" resultType="com.ohdab.classroom.service.dto.ClassroomDetailDto$WorkbookInfoDto">
+        select workbook_id as "workbookId",
+             workbook_name as "workbookName",
+        from WORKBOOK
+        where workbook_id in
+        <foreach collection="list" item="workbook_id" index="index" separator="," open="(" close=")">
+            #{workbook_id}
+        </foreach>
+        order by workbook_id desc
+    </select>
+</mapper>