[Feat] : 탈퇴 사유 받기 api 작성

Author: yoownny

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

@@ -20,7 +20,7 @@ public class Withdrawal {
     private long userId;
 
     @Column(name = "code", nullable = false)
-    private int code;
+    private long code;
 
     @Column(name = "details")
     private String details;

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

@@ -11,8 +11,7 @@ public class WithdrawalCode {
 
     @Id
     @Column(name = "id")
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    private int code;
+    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

@@ -1,17 +1,16 @@
 package com.potato.balbambalbam.user.withdrawal.controller;
 
 import com.potato.balbambalbam.user.token.jwt.JWTUtil;
-import com.potato.balbambalbam.user.withdrawal.dto.WithdrawalResponseDto;
+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.media.Content;
-import io.swagger.v3.oas.annotations.media.Schema;
 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;
 
@@ -20,17 +19,21 @@
 @RestController
 @Tag(name = "Withdrawal API", description = "탈퇴 사유를 저장한다.")
 public class WithdrawalController {
+
     private final JWTUtil jwtUtil;
-    //private final WithdrawalService withdrawalService;
+    private final WithdrawalService withdrawalService;
 
-    @Operation(summary = "탈퇴 사유 받기", description = "사용자의 월별 출석 날짜를 조회합니다.")
+    @Operation(summary = "사용자 계정 탈퇴 사유", description = "사용자의 탈퇴 사유를 저장합니다.")
     @ApiResponses(value = {
-            @ApiResponse(responseCode = "200", description = "조회 성공", content = @Content(schema = @Schema(implementation = WithdrawalResponseDto.class))),
+            @ApiResponse(responseCode = "200", description = "탈퇴 사유 저장 성공"),
     })
-    @PostMapping("/user/withdrawal")
-    public ResponseEntity<WithdrawalResponseDto> setWithdrawal(@RequestHeader("access") String access) {
+    @PostMapping("/users/withdrawal")
+    public ResponseEntity<?> setWithdrawal(
+            @RequestHeader("access") String access, @RequestBody WithdrawalRequestDto requestDto) {
+
         Long userId = jwtUtil.getUserId(access);
-        //return ResponseEntity.ok();
-        return null;
+        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/dto/WithdrawalResponseDto.java

@@ -1,4 +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);
+    }
 }