feat: 회원 탈퇴 (DB 전부 삭제) 기능 구현

src/main/java/com/dnd/bbok/member/adapter/in/web/DeleteMemberController.java

@@ -0,0 +1,35 @@
+package com.dnd.bbok.member.adapter.in.web;
+
+import com.dnd.bbok.global.response.MessageResponse;
+import com.dnd.bbok.member.application.port.in.response.SessionUser;
+import com.dnd.bbok.member.application.port.in.usecase.DeleteMemberUseCase;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
+import org.springframework.web.bind.annotation.*;
+
+@Slf4j
+@RestController
+@RequestMapping("/api/v1")
+@Api(tags = "멤버 관련 컨트롤러")
+@RequiredArgsConstructor
+public class DeleteMemberController {
+    private final DeleteMemberUseCase deleteMemberUseCase;
+
+    @ApiOperation(value = "회원 탈퇴")
+    @DeleteMapping("/member")
+    @PreAuthorize("isAuthenticated()")
+    public ResponseEntity<MessageResponse> getChecklist(
+            @AuthenticationPrincipal SessionUser sessionUser
+    ) {
+        log.info(String.valueOf(sessionUser.getUuid()));
+        String result = deleteMemberUseCase.deleteMember(sessionUser.getUuid());
+        return new ResponseEntity<>(
+                MessageResponse.of(HttpStatus.CREATED, result), HttpStatus.CREATED);
+    }
+}

src/main/java/com/dnd/bbok/member/adapter/out/persistence/MemberDeleteAdapter.java

@@ -0,0 +1,68 @@
+package com.dnd.bbok.member.adapter.out.persistence;
+
+import com.dnd.bbok.diary.adapter.out.persistence.entity.DiaryChecklistEntity;
+import com.dnd.bbok.diary.adapter.out.persistence.entity.DiaryEntity;
+import com.dnd.bbok.diary.adapter.out.persistence.entity.DiaryTagEntity;
+import com.dnd.bbok.diary.adapter.out.persistence.repository.DiaryChecklistRepository;
+import com.dnd.bbok.diary.adapter.out.persistence.repository.DiaryRepository;
+import com.dnd.bbok.diary.adapter.out.persistence.repository.DiaryTagRepository;
+import com.dnd.bbok.friend.adapter.out.persistence.entity.FriendEntity;
+import com.dnd.bbok.friend.adapter.out.persistence.entity.FriendTagEntity;
+import com.dnd.bbok.friend.adapter.out.persistence.repository.FriendRepository;
+import com.dnd.bbok.friend.adapter.out.persistence.repository.FriendTagRepository;
+import com.dnd.bbok.member.adapter.out.persistence.entity.MemberChecklistEntity;
+import com.dnd.bbok.member.adapter.out.persistence.repository.MemberChecklistRepository;
+import com.dnd.bbok.member.adapter.out.persistence.repository.MemberRepository;
+import com.dnd.bbok.member.application.port.out.DeleteMemberPort;
+import com.dnd.bbok.saying.adapter.out.persistence.repository.BookmarkRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+import java.util.UUID;
+import java.util.stream.Collectors;
+
+@Repository
+@RequiredArgsConstructor
+public class MemberDeleteAdapter implements DeleteMemberPort {
+
+    private final MemberRepository memberRepository;
+    private final MemberChecklistRepository memberChecklistRepository;
+    private final FriendTagRepository friendTagRepository;
+    private final FriendRepository friendRepository;
+    private final DiaryRepository diaryRepository;
+    private final DiaryTagRepository diaryTagRepository;
+    private final DiaryChecklistRepository diaryChecklistRepository;
+    private final BookmarkRepository bookmarkRepository;
+
+    @Override
+    public void deleteMember(UUID memberId) {
+        // 지워야 할 거
+        // 1. bookmark
+        // 2. diary_tag
+        // 3. diary_checklist
+        // 4. diary
+        // 5. friend_tag
+        // 6. friend
+        // 7. member_checklist
+        // 8. member
+        bookmarkRepository.deleteByMemberId(memberId);
+
+        List<FriendEntity> friends = friendRepository.findAllFriends(memberId);
+        for (FriendEntity friend : friends) {
+            List<FriendTagEntity> friendTags = friendTagRepository.findAllByFriendId(friend.getId());
+            List<DiaryEntity> diaries = diaryRepository.findAllByFriendId(friend.getId());
+            List<DiaryTagEntity> diaryTags = diaryTagRepository.findByDiaryIds(diaries.stream().map(DiaryEntity::getId).collect(Collectors.toList()));
+            List<DiaryChecklistEntity> diaryChecklist = diaryChecklistRepository.getDiaryChecklistByDiaryIds(diaries.stream().map(DiaryEntity::getId).collect(Collectors.toList()));
+            diaryTagRepository.deleteAll(diaryTags);
+            diaryChecklistRepository.deleteAll(diaryChecklist);
+            diaryRepository.deleteAll(diaries);
+            friendTagRepository.deleteAll(friendTags);
+        }
+        friendRepository.deleteAll(friends);
+        List<MemberChecklistEntity> memberChecklist = memberChecklistRepository.findByMemberId(memberId);
+        memberChecklistRepository.deleteAll(memberChecklist);
+
+        memberRepository.deleteById(memberId);
+    }
+}

src/main/java/com/dnd/bbok/member/application/port/in/usecase/DeleteMemberUseCase.java

@@ -0,0 +1,7 @@
+package com.dnd.bbok.member.application.port.in.usecase;
+
+import java.util.UUID;
+
+public interface DeleteMemberUseCase {
+    String deleteMember(UUID string);
+}

src/main/java/com/dnd/bbok/member/application/port/out/DeleteMemberPort.java

@@ -0,0 +1,7 @@
+package com.dnd.bbok.member.application.port.out;
+
+import java.util.UUID;
+
+public interface DeleteMemberPort {
+    void deleteMember(UUID string);
+}

src/main/java/com/dnd/bbok/member/application/service/MemberService.java

@@ -7,11 +7,9 @@
 import com.dnd.bbok.member.application.port.in.response.GetMemberChecklistResponse;
 import com.dnd.bbok.member.application.port.in.response.GetMemberInfoResponse;
 
-import com.dnd.bbok.member.application.port.in.usecase.CreateMemberChecklistUseCase;
-import com.dnd.bbok.member.application.port.in.usecase.EditMemberChecklistUseCase;
-import com.dnd.bbok.member.application.port.in.usecase.GetMemberChecklistQuery;
-import com.dnd.bbok.member.application.port.in.usecase.GetMemberQuery;
+import com.dnd.bbok.member.application.port.in.usecase.*;
 
+import com.dnd.bbok.member.application.port.out.DeleteMemberPort;
 import com.dnd.bbok.member.application.port.out.LoadMemberChecklistPort;
 import com.dnd.bbok.member.application.port.out.LoadMemberPort;
 import com.dnd.bbok.member.application.port.out.SaveMemberChecklistPort;
@@ -37,11 +35,12 @@
 @Slf4j
 public class MemberService implements
     GetMemberQuery, CreateMemberChecklistUseCase, GetMemberChecklistQuery,
-    EditMemberChecklistUseCase {
+    EditMemberChecklistUseCase, DeleteMemberUseCase {
 
   private final LoadMemberPort loadMemberPort;
   private final LoadMemberChecklistPort loadMemberChecklistPort;
   private final SaveMemberChecklistPort saveMemberChecklistPort;
+  private final DeleteMemberPort deleteMemberPort;
 
   @Override
   public GetMemberInfoResponse getMember(UUID memberId) {
@@ -124,4 +123,12 @@ public void edit(UUID memberId, EditMemberChecklistRequest memberChecklistReques
 
     saveMemberChecklistPort.saveMemberChecklistWithCond(memberId, updateChecklist);
   }
+
+
+  @Override
+  public String deleteMember(UUID memberId) {
+    // TODO Transaction
+    deleteMemberPort.deleteMember(memberId);
+    return "success";
+  }
 }

src/main/java/com/dnd/bbok/saying/adapter/out/persistence/repository/BookmarkRepository.java

@@ -6,6 +6,8 @@
 
 import java.util.Optional;
 import java.util.UUID;
+
+import org.springframework.data.jpa.repository.Modifying;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.query.Param;
 
@@ -17,4 +19,8 @@ Optional<BookmarkEntity> findBookmark(
 
     @Query("select b from BookmarkEntity b where b.member.id = :memberId")
     List<BookmarkEntity> findMemberBookmark(@Param("memberId") UUID memberId);
+
+    @Modifying
+    @Query("delete from BookmarkEntity b where b.member.id = :memberId")
+    void deleteByMemberId(@Param("memberId") UUID memberId);
 }