[Feat] : 탈퇴 이유 로직 구현

build.gradle

@@ -74,6 +74,6 @@ tasks.withType(JavaCompile){
 
 bootJar{
 	archiveBaseName = 'BalbamBalbam-Application'
-	archiveVersion = '1.2.0'
+	archiveVersion = '1.2.1'
 	exclude '**/application-local.properties'
 }

src/main/java/com/potato/balbambalbam/data/entity/CustomCard.java

@@ -11,7 +11,7 @@
 @Getter
 @Setter
 @NoArgsConstructor
-public class CustomCard {
+public class  CustomCard {
     @Id
     @Column(name = "id")
     @GeneratedValue(strategy = GenerationType.IDENTITY)

src/main/java/com/potato/balbambalbam/data/entity/Withdrawal.java

@@ -0,0 +1,30 @@
+package com.potato.balbambalbam.data.entity;
+
+import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.Setter;
+
+import java.time.LocalDateTime;
+
+@Entity(name = "withdrawal")
+@Getter
+@Setter
+public class Withdrawal {
+
+    @Id
+    @Column(name = "id")
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private long id;
+
+    @Column(name = "user_id", nullable = false)
+    private long userId;
+
+    @Column(name = "code", nullable = false)
+    private long code;
+
+    @Column(name = "details")
+    private String details;
+
+    @Column(name = "created_at", nullable = false)
+    private LocalDateTime createdAt;
+}

src/main/java/com/potato/balbambalbam/data/entity/WithdrawalCode.java

@@ -0,0 +1,18 @@
+package com.potato.balbambalbam.data.entity;
+
+import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.Setter;
+
+@Entity(name = "withdrawal_code")
+@Getter
+@Setter
+public class WithdrawalCode {
+
+    @Id
+    @Column(name = "id")
+    private long code;
+
+    @Column(name = "description", nullable = false)
+    private String description;
+}

src/main/java/com/potato/balbambalbam/data/repository/WithdrawalRepository.java

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

src/main/java/com/potato/balbambalbam/user/join/service/JoinService.java

@@ -12,6 +12,7 @@
 import jakarta.servlet.http.HttpServletResponse;
 import jakarta.transaction.Transactional;
 import java.time.LocalDateTime;
+import java.util.UUID;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
@@ -139,13 +140,19 @@ public void anonymizeUserData(String socialId) {
         cardScoreRepository.deleteByUserId(userId);
         customCardRepository.deleteByUserId(userId);
         notificationReadRepository.deleteByUserId(userId);
-        refreshRepository.deleteByUserId(userId);
         userAttendanceRepository.deleteByUserId(userId);
         userLevelRepository.deleteByUserId(userId);
         userWeakSoundRepository.deleteByUserId(userId);
+        refreshRepository.deleteByUserId(userId);
+
+        // 3. UUID 생성 (중복 체크)
+        String uniqueSocialId;
+        do {
+            uniqueSocialId = "Deleted_" + UUID.randomUUID();
+        } while (userRepository.existsBySocialId(uniqueSocialId));  // DB에 같은 UUID가 있으면 다시 생성
 
-        // 3. 사용자 민감 정보 초기화 (익명화)
-        user.setSocialId("Deleted");
+        // 4. 사용자 민감 정보 초기화 (익명화)
+        user.setSocialId(uniqueSocialId);
         user.setName("Anonymous");
         user.setStatusId(4L);  // 익명화된 사용자 상태로 설정
         userRepository.save(user);

src/main/java/com/potato/balbambalbam/user/withdrawal/controller/WithdrawalController.java

@@ -0,0 +1,39 @@
+package com.potato.balbambalbam.user.withdrawal.controller;
+
+import com.potato.balbambalbam.user.token.jwt.JWTUtil;
+import com.potato.balbambalbam.user.withdrawal.dto.WithdrawalRequestDto;
+import com.potato.balbambalbam.user.withdrawal.service.WithdrawalService;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.responses.ApiResponse;
+import io.swagger.v3.oas.annotations.responses.ApiResponses;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestHeader;
+import org.springframework.web.bind.annotation.RestController;
+
+
+@RequiredArgsConstructor
+@RestController
+@Tag(name = "Withdrawal API", description = "탈퇴 사유를 저장한다.")
+public class WithdrawalController {
+
+    private final JWTUtil jwtUtil;
+    private final WithdrawalService withdrawalService;
+
+    @Operation(summary = "사용자 계정 탈퇴 사유", description = "사용자의 탈퇴 사유를 저장합니다.")
+    @ApiResponses(value = {
+            @ApiResponse(responseCode = "200", description = "탈퇴 사유 저장 성공"),
+    })
+    @PostMapping("/users/withdrawal")
+    public ResponseEntity<?> setWithdrawal(
+            @RequestHeader("access") String access, @RequestBody WithdrawalRequestDto requestDto) {
+
+        Long userId = jwtUtil.getUserId(access);
+        withdrawalService.processWithdrawal(userId, requestDto);
+
+        return ResponseEntity.ok().body("사용자의 탈퇴 사유 저장 완료");
+    }
+}

src/main/java/com/potato/balbambalbam/user/withdrawal/dto/WithdrawalRequestDto.java

@@ -0,0 +1,16 @@
+package com.potato.balbambalbam.user.withdrawal.dto;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import jakarta.validation.constraints.NotNull;
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+@Schema(description = "탈퇴 사유 Request DTO")
+public class WithdrawalRequestDto {
+
+    @NotNull(message = "탈퇴 사유 코드가 필요합니다.")
+    private Long reasonCode;
+    private String details;
+}

src/main/java/com/potato/balbambalbam/user/withdrawal/service/WithdrawalService.java

@@ -0,0 +1,33 @@
+package com.potato.balbambalbam.user.withdrawal.service;
+
+import com.potato.balbambalbam.data.entity.Withdrawal;
+import com.potato.balbambalbam.data.repository.UserRepository;
+import com.potato.balbambalbam.data.repository.WithdrawalRepository;
+import com.potato.balbambalbam.user.withdrawal.dto.WithdrawalRequestDto;
+import java.time.LocalDateTime;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class WithdrawalService {
+
+    private final WithdrawalRepository withdrawalRepository;
+
+    public void processWithdrawal(Long userId, WithdrawalRequestDto requestDto) {
+
+        // 탈퇴 사유가 'Other(6)'일 경우, details가 필수
+        if (requestDto.getReasonCode() == 6 && (requestDto.getDetails() == null || requestDto.getDetails().isBlank())) {
+            throw new IllegalArgumentException("Other인 경우 입력값이 필요합니다.");
+        }
+
+        // 탈퇴 기록 저장
+        Withdrawal withdrawal = new Withdrawal();
+        withdrawal.setUserId(userId);
+        withdrawal.setCode(requestDto.getReasonCode());
+        withdrawal.setDetails(requestDto.getReasonCode() == 6 ? requestDto.getDetails() : null);
+        withdrawal.setCreatedAt(LocalDateTime.now());
+
+        withdrawalRepository.save(withdrawal);
+    }
+}