[Feat] 탈퇴 사유 별도 DB에 저장

src/main/java/ttakkeun/ttakkeun_server/apiPayLoad/code/status/ErrorStatus.java

@@ -38,6 +38,7 @@ public enum ErrorStatus implements BaseErrorCode {
     MEMBER_EXIST_IN_OTHER_SOCIAL(HttpStatus.BAD_REQUEST, "MEMBER4006", "다른 소셜로 가입한 회원입니다."),
     MEMBER_ALREADY_EXIST(HttpStatus.BAD_REQUEST, "MEMBER4007", "이미 가입한 회원입니다."),
     MEMBER_CONFLICT(HttpStatus.BAD_REQUEST, "MEMBER4008", "이메일과 멤버ID가 일치하지 않습니다."),
+    WITHDRAWAL_REASON_EMPTY(HttpStatus.BAD_REQUEST, "MEMBER4009", "기타 사유 선택 시 상세 내용을 입력해주세요."),
 
     //Record 에러
     RECORD_NOT_FOUND(HttpStatus.BAD_REQUEST, "RECORD4000", "해당하는 일지를 찾을 수 없습니다."),

src/main/java/ttakkeun/ttakkeun_server/controller/OAuthController.java

@@ -3,6 +3,7 @@
 import io.micrometer.common.lang.Nullable;
 import io.swagger.v3.oas.annotations.Operation;
 import jakarta.servlet.http.HttpServletRequest;
+import jakarta.validation.Valid;
 import lombok.RequiredArgsConstructor;
 import org.springframework.security.core.annotation.AuthenticationPrincipal;
 import org.springframework.util.StringUtils;
@@ -12,6 +13,7 @@
 import ttakkeun.ttakkeun_server.apiPayLoad.exception.ExceptionHandler;
 import ttakkeun.ttakkeun_server.apiPayLoad.exception.OAuthHandler;
 import ttakkeun.ttakkeun_server.dto.auth.LoginResponseDto;
+import ttakkeun.ttakkeun_server.dto.auth.WithdrawalRequestDto;
 import ttakkeun.ttakkeun_server.dto.auth.apple.AppleLoginRequestDto;
 import ttakkeun.ttakkeun_server.dto.auth.apple.AppleSignUpRequestDto;
 import ttakkeun.ttakkeun_server.dto.auth.kakao.KakaoLoginRequestDTO;
@@ -68,8 +70,9 @@ public ApiResponse<LoginResponseDto> appleSignUp(@RequestBody @Validated AppleSi
     @Operation(summary = "애플 탈퇴 API")
     @DeleteMapping("/delete/apple")
     public ApiResponse<String> appleWithdraw(@AuthenticationPrincipal Member member,
-                                @Nullable @RequestHeader("authorization-code") final String code){
-        oAuthService.appleDelete(member, code);
+                                             @Nullable @RequestHeader("authorization-code") final String code,
+                                             @Valid @RequestBody WithdrawalRequestDto withdrawalRequestDto){
+        oAuthService.appleDelete(member, code, withdrawalRequestDto);
 
         return ApiResponse.onSuccess("apple delete success");
     }
@@ -92,8 +95,9 @@ public ApiResponse<LoginResponseDto> kakaoSignUp(@RequestBody @Validated KakaoSi
 
     @Operation(summary = "카카오 탈퇴 API")
     @DeleteMapping("/delete/kakao")
-    public ApiResponse<String> kakaoWithdraw(@AuthenticationPrincipal Member member){
-        oAuthService.kakaoDelete(member);
+    public ApiResponse<String> kakaoWithdraw(@AuthenticationPrincipal Member member,
+                                             @Valid @RequestBody WithdrawalRequestDto withdrawalDto){
+        oAuthService.kakaoDelete(member, withdrawalDto);
         return ApiResponse.onSuccess("kakao delete success");
     }
 

src/main/java/ttakkeun/ttakkeun_server/dto/auth/WithdrawalRequestDto.java

@@ -0,0 +1,30 @@
+package ttakkeun.ttakkeun_server.dto.auth;
+
+import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.Size;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import ttakkeun.ttakkeun_server.entity.enums.WithdrawalReasonType;
+
+@Getter
+@NoArgsConstructor
+@AllArgsConstructor
+@Builder
+public class WithdrawalRequestDto {
+
+    @NotNull(message = "탈퇴 사유는 필수입니다")
+    private WithdrawalReasonType reasonType;
+
+    @Size(max = 500, message = "기타 사유는 500자 이내로 입력해주세요")
+    private String customReason;
+
+    // 기타 사유 유효성 검증
+    public boolean isValid() {
+        if (reasonType == WithdrawalReasonType.OTHER) {
+            return customReason != null && !customReason.trim().isEmpty();
+        }
+        return true;
+    }
+}

src/main/java/ttakkeun/ttakkeun_server/entity/Withdrawal.java

@@ -0,0 +1,43 @@
+package ttakkeun.ttakkeun_server.entity;
+
+import jakarta.persistence.*;
+import lombok.*;
+import ttakkeun.ttakkeun_server.entity.enums.WithdrawalReasonType;
+
+@Entity
+@Getter
+@Builder
+@Setter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@AllArgsConstructor
+public class Withdrawal {
+
+    @Id
+    @Column(name = "withdrawal_id")
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long withdrawalId;
+
+    @Column(name = "user_id", nullable = false)
+    private Long userId; // 탈퇴한 사용자 ID
+
+    @Enumerated(EnumType.STRING)
+    @Column(name = "reason_type", nullable = false)
+    private WithdrawalReasonType reasonType;
+
+    @Column(name = "custom_reason", length = 500)
+    private String customReason;    // reasonType이 OTHER일 때만 사용
+
+    // 기타 사유인지 확인하는 헬퍼 메소드
+    public boolean isOtherReason() {
+        return reasonType == WithdrawalReasonType.OTHER;
+    }
+
+    // 표시용 사유 텍스트 반환
+    public String getDisplayReason() {
+        if (isOtherReason() && customReason != null && !customReason.trim().isEmpty()) {
+            return customReason;
+        }
+        return reasonType.getDescription();
+    }
+
+}

src/main/java/ttakkeun/ttakkeun_server/entity/enums/WithdrawalReasonType.java

@@ -0,0 +1,20 @@
+package ttakkeun.ttakkeun_server.entity.enums;
+
+public enum WithdrawalReasonType {
+    FEATURE_DISSATISFACTION("기능 불만족"),
+    LACK_OF_CONTENT("앱 내 콘텐츠 부족"),
+    TECHNICAL_ISSUES("기술적 문제 (버그, 오류)"),
+    COMPATIBILITY_ISSUES("기기 호환성 문제"),
+    UX_INCONVENIENCE("사용자 경험 불편"),
+    OTHER("기타 사유");
+
+    private final String description;
+
+    WithdrawalReasonType(String description) {
+        this.description = description;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+}

src/main/java/ttakkeun/ttakkeun_server/repository/WithdrawalRepository.java

@@ -0,0 +1,7 @@
+package ttakkeun.ttakkeun_server.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import ttakkeun.ttakkeun_server.entity.Withdrawal;
+
+public interface WithdrawalRepository extends JpaRepository<Withdrawal, Long> {
+}

src/main/java/ttakkeun/ttakkeun_server/service/auth/OAuthService.java

@@ -13,6 +13,7 @@
 import ttakkeun.ttakkeun_server.client.DiscordMessageProvider;
 import ttakkeun.ttakkeun_server.converter.MemberConverter;
 import ttakkeun.ttakkeun_server.dto.auth.LoginResponseDto;
+import ttakkeun.ttakkeun_server.dto.auth.WithdrawalRequestDto;
 import ttakkeun.ttakkeun_server.dto.auth.apple.AppleAuthClient;
 import ttakkeun.ttakkeun_server.dto.auth.apple.AppleLoginRequestDto;
 import ttakkeun.ttakkeun_server.dto.auth.apple.AppleRevokeRequest;
@@ -21,9 +22,11 @@
 import ttakkeun.ttakkeun_server.dto.auth.kakao.KakaoSignUpRequestDTO;
 import ttakkeun.ttakkeun_server.dto.auth.kakao.KakaoUserDTO;
 import ttakkeun.ttakkeun_server.entity.Member;
+import ttakkeun.ttakkeun_server.entity.Withdrawal;
 import ttakkeun.ttakkeun_server.entity.enums.EventMessage;
 import ttakkeun.ttakkeun_server.entity.enums.LoginType;
 import ttakkeun.ttakkeun_server.repository.MemberRepository;
+import ttakkeun.ttakkeun_server.repository.WithdrawalRepository;
 import ttakkeun.ttakkeun_server.service.MemberService;
 import ttakkeun.ttakkeun_server.utils.AppleClientSecretGenerator;
 import ttakkeun.ttakkeun_server.utils.AppleOAuthProvider;
@@ -50,6 +53,7 @@ public class OAuthService {
     private final KakaoService kakaoService;
     private final DiscordMessageProvider discordMessageProvider;
     private final KakaoUnlinkClient kakaoUnlinkClient;
+    private final WithdrawalRepository withdrawalRepository;
 
     @Value("${spring.social-login.provider.apple.client-id}")
     private String clientId;
@@ -164,7 +168,7 @@ public LoginResponseDto appleSignUp(AppleSignUpRequestDto appleSignUpRequestDto)
     }
 
     @Transactional
-    public void appleDelete(Member member, String code) {
+    public void appleDelete(Member member, String code, WithdrawalRequestDto withdrawalDto) {
         try {
             String clientSecret = appleClientSecretGenerator.createClientSecret();
             String refreshToken = appleOAuthProvider.getAppleRefreshToken(code, clientSecret);
@@ -184,6 +188,9 @@ public void appleDelete(Member member, String code) {
         log.info("애플 탈퇴 성공");
         log.info("member id :: " + member.getMemberId());
 
+        // 탈퇴 사유 저장
+        saveWithdrawalReason(member.getMemberId(), withdrawalDto);
+
         memberService.deleteMember(member);
     }
 
@@ -235,8 +242,12 @@ public LoginResponseDto kakaoSignUp(KakaoSignUpRequestDTO kakaoSignUpReqDto) {
         return createToken(signUpMember);
     }
 
-    public void kakaoDelete(Member member) {
+    public void kakaoDelete(Member member, WithdrawalRequestDto withdrawalDto) {
         kakaoUnlinkClient.unlinkUser("KakaoAK " + kakaoAdminKey, "user_id", member.getKakaoUserId());
+
+        // 탈퇴 사유 저장
+        saveWithdrawalReason(member.getMemberId(), withdrawalDto);
+
         memberService.deleteMember(member);
     }
 
@@ -251,4 +262,20 @@ public void logout(String refreshToken) {
         member.refreshTokenExpires();
         memberRepository.save(member);
     }
+
+    // 탈퇴 사유 저장
+    private void saveWithdrawalReason(Long memberId, WithdrawalRequestDto withdrawalDto) {
+        // 유효성 검증
+        if (!withdrawalDto.isValid()) {
+            throw new ExceptionHandler(WITHDRAWAL_REASON_EMPTY);
+        }
+
+        Withdrawal withdrawal = Withdrawal.builder()
+                .userId(memberId)
+                .reasonType(withdrawalDto.getReasonType())
+                .customReason(withdrawalDto.getCustomReason())
+                .build();
+
+        withdrawalRepository.save(withdrawal);
+    }
 }