feat(#327): 알림 설정 조회 및 수정 기능 추가

src/main/java/com/example/RealMatch/user/application/service/NotificationSettingService.java

@@ -0,0 +1,102 @@
+package com.example.RealMatch.user.application.service;
+
+import java.util.Optional;
+
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import com.example.RealMatch.global.exception.CustomException;
+import com.example.RealMatch.user.domain.entity.NotificationSetting;
+import com.example.RealMatch.user.domain.entity.Term;
+import com.example.RealMatch.user.domain.entity.UserTerm;
+import com.example.RealMatch.user.domain.entity.enums.TermName;
+import com.example.RealMatch.user.domain.repository.NotificationSettingRepository;
+import com.example.RealMatch.user.domain.repository.TermRepository;
+import com.example.RealMatch.user.domain.repository.UserTermRepository;
+import com.example.RealMatch.user.presentation.code.UserErrorCode;
+import com.example.RealMatch.user.presentation.dto.request.NotificationSettingUpdateRequest;
+import com.example.RealMatch.user.presentation.dto.response.NotificationSettingResponse;
+
+import lombok.RequiredArgsConstructor;
+
+@Service
+@RequiredArgsConstructor
+@Transactional
+public class NotificationSettingService {
+
+    private static final TermName MARKETING_TERM_NAME = TermName.MARKETING_CONSENT;
+
+    private final NotificationSettingRepository notificationSettingRepository;
+    private final UserTermRepository userTermRepository;
+    private final TermRepository termRepository;
+
+    /**
+     * 내 알림 설정 조회
+     */
+    @Transactional(readOnly = true)
+    public NotificationSettingResponse getMySetting(Long userId) {
+
+        NotificationSetting setting = notificationSettingRepository
+                .findOneByUserId(userId)
+                .orElseThrow(() ->
+                        new CustomException(UserErrorCode.USER_NOTIFICATION_SETTING_NOT_FOUND)
+                );
+
+        boolean marketingConsent = userTermRepository
+                .findByUserIdAndTermName(userId, MARKETING_TERM_NAME)
+                .isPresent(); // ⭐ 존재 여부로 판단
+
+        return NotificationSettingResponse.builder()
+                .marketingConsent(marketingConsent)
+                .appPushEnabled(setting.isAppPushEnabled())
+                .emailEnabled(setting.isEmailEnabled())
+                .build();
+    }
+
+    /**
+     * 내 알림 설정 수정 (설정 완료)
+     */
+    public void updateSetting(Long userId, NotificationSettingUpdateRequest request) {
+
+        // 1️⃣ 알림 설정 업데이트
+        NotificationSetting setting = notificationSettingRepository
+                .findOneByUserId(userId)
+                .orElseThrow(() ->
+                        new CustomException(UserErrorCode.USER_NOTIFICATION_SETTING_NOT_FOUND)
+                );
+
+        setting.update(
+                request.isAppPushEnabled(),
+                request.isEmailEnabled()
+        );
+
+        Optional<UserTerm> optionalUserTerm =
+                userTermRepository.findByUserIdAndTermName(userId, MARKETING_TERM_NAME);
+
+        boolean wantMarketingConsent = request.isMarketingConsent();
+
+        // Case 1: 동의 안 함 → 기존 row 있으면 삭제
+        if (!wantMarketingConsent) {
+            optionalUserTerm.ifPresent(userTermRepository::delete);
+            return;
+        }
+
+        // Case 2: 동의 함 → 기존 row 없으면 생성
+        if (optionalUserTerm.isEmpty()) {
+            Term marketingTerm = termRepository
+                    .findByName(MARKETING_TERM_NAME)
+                    .orElseThrow(() ->
+                            new CustomException(UserErrorCode.INVALID_TERM)
+                    );
+
+            UserTerm newUserTerm = UserTerm.builder()
+                    .user(setting.getUser())
+                    .term(marketingTerm)
+                    .isAgreed(true)
+                    .build();
+
+            userTermRepository.save(newUserTerm);
+        }
+    }
+
+}

src/main/java/com/example/RealMatch/user/domain/entity/enums/NotificationChannel.java

@@ -2,6 +2,5 @@
 
 public enum NotificationChannel {
     PUSH,
-    EMAIL,
-    SMS
+    EMAIL
 }

src/main/java/com/example/RealMatch/user/domain/entity/enums/TermName.java

@@ -1,11 +1,19 @@
 package com.example.RealMatch.user.domain.entity.enums;
 
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+@Getter
+@RequiredArgsConstructor
 public enum TermName {
-    AGE,
-    SERVICE_TERMS,
-    PRIVACY_COLLECTION,
-    PRIVACY_THIRD_PARTY,
-    MARKETING_CONSENT,
-    MARKETING_PRIVACY_COLLECTION,
-    MARKETING_NOTIFICATION
+
+    AGE("만 14세 이상입니다"),
+    SERVICE_TERMS("서비스 이용약관에 동의합니다"),
+    PRIVACY_COLLECTION("개인정보를 수집하고 이용하는 것에 동의합니다"),
+    PRIVACY_THIRD_PARTY("개인정보를 제3자에게 제공하는 것에 동의합니다"),
+    MARKETING_CONSENT("이벤트 혜택과 광고성 정보 수신에 동의합니다"),
+    MARKETING_PRIVACY_COLLECTION("마케팅 목적의 개인정보 수집과 이용에 동의합니다"),
+    MARKETING_NOTIFICATION("이메일과 앱 푸시 알림 수신에 동의합니다");
+
+    private final String displayName;
 }

src/main/java/com/example/RealMatch/user/domain/repository/NotificationSettingRepository.java

@@ -9,4 +9,6 @@
 public interface NotificationSettingRepository extends JpaRepository<NotificationSetting, Long> {
 
     Optional<NotificationSetting> findByUserId(Long userId);
+    Optional<NotificationSetting> findOneByUserId(Long userId);
+
 }

src/main/java/com/example/RealMatch/user/domain/repository/TermRepository.java

@@ -1,6 +1,7 @@
 package com.example.RealMatch.user.domain.repository;
 
 import java.util.List;
+import java.util.Optional;
 
 import org.springframework.data.jpa.repository.JpaRepository;
 
@@ -12,4 +13,6 @@ public interface TermRepository extends JpaRepository<Term, Long> {
     List<Term> findByNameIn(List<TermName> names);
 
     List<Term> findByIsRequired(boolean isRequired);
+
+    Optional<Term> findByName(TermName name);
 }

src/main/java/com/example/RealMatch/user/domain/repository/UserTermRepository.java

@@ -6,6 +6,7 @@
 import org.springframework.data.jpa.repository.JpaRepository;
 
 import com.example.RealMatch.user.domain.entity.UserTerm;
+import com.example.RealMatch.user.domain.entity.enums.TermName;
 
 public interface UserTermRepository extends JpaRepository<UserTerm, Long> {
 
@@ -14,4 +15,6 @@ public interface UserTermRepository extends JpaRepository<UserTerm, Long> {
     Optional<UserTerm> findByUserIdAndTermId(Long userId, Long termId);
 
     List<UserTerm> findByUserIdAndIsAgreed(Long userId, boolean isAgreed);
+
+    Optional<UserTerm> findByUserIdAndTermName(Long userId, TermName termName);
 }

src/main/java/com/example/RealMatch/user/presentation/code/UserErrorCode.java

@@ -78,6 +78,13 @@ public enum UserErrorCode implements BaseErrorCode {
             "매칭 상세 정보를 불러오는데 실패하였습니다."
     ),
 
+    USER_NOTIFICATION_SETTING_NOT_FOUND(
+            HttpStatus.NOT_FOUND,
+            "USER404_12",
+            "알림 설정이 존재하지 않습니다."
+    ),
+
+
     // 400 - 요청 오류
     USER_UPDATE_BAD_REQUEST(
             HttpStatus.BAD_REQUEST,
@@ -131,6 +138,12 @@ public enum UserErrorCode implements BaseErrorCode {
             HttpStatus.BAD_REQUEST,
             "USER400_9",
             "페이지 크기는 1보다 커야 합니다."
+    ),
+
+    INVALID_TERM(
+            HttpStatus.BAD_REQUEST,
+            "USER400_10",
+            "Term이 존재하지 않습니다."
     );
 
     private final HttpStatus status;

src/main/java/com/example/RealMatch/user/presentation/controller/NotificationSettingController.java

@@ -0,0 +1,51 @@
+package com.example.RealMatch.user.presentation.controller;
+
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.example.RealMatch.global.config.jwt.CustomUserDetails;
+import com.example.RealMatch.global.presentation.CustomResponse;
+import com.example.RealMatch.user.application.service.NotificationSettingService;
+import com.example.RealMatch.user.presentation.dto.request.NotificationSettingUpdateRequest;
+import com.example.RealMatch.user.presentation.dto.response.NotificationSettingResponse;
+
+import lombok.RequiredArgsConstructor;
+
+@RestController
+@RequestMapping("/api/v1/users/me/notification-settings")
+@RequiredArgsConstructor
+public class NotificationSettingController {
+
+    private final NotificationSettingService notificationSettingService;
+
+    /**
+     * 내 알림 설정 조회
+     */
+    @GetMapping
+    public CustomResponse<NotificationSettingResponse> getMyNotificationSetting(
+            @AuthenticationPrincipal CustomUserDetails userDetails
+    ) {
+        return CustomResponse.ok(
+                notificationSettingService.getMySetting(userDetails.getUserId())
+        );
+    }
+
+    /**
+     * 내 알림 설정 전체 수정 (설정 완료 버튼)
+     */
+    @PutMapping
+    public CustomResponse<String> updateMyNotificationSetting(
+            @AuthenticationPrincipal CustomUserDetails userDetails,
+            @RequestBody NotificationSettingUpdateRequest request
+    ) {
+        notificationSettingService.updateSetting(
+                userDetails.getUserId(),
+                request
+        );
+        return CustomResponse.ok("알림 설정이 수정되었습니다.");
+    }
+}

src/main/java/com/example/RealMatch/user/presentation/dto/request/NotificationSettingUpdateRequest.java

@@ -0,0 +1,13 @@
+package com.example.RealMatch.user.presentation.dto.request;
+
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@NoArgsConstructor
+public class NotificationSettingUpdateRequest {
+    private boolean marketingConsent;
+    private boolean appPushEnabled;
+    private boolean emailEnabled;
+
+}

src/main/java/com/example/RealMatch/user/presentation/dto/response/NotificationSettingResponse.java

@@ -0,0 +1,14 @@
+package com.example.RealMatch.user.presentation.dto.response;
+
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
+@Builder
+public class NotificationSettingResponse {
+    private boolean marketingConsent;
+    private boolean appPushEnabled;
+    private boolean emailEnabled;
+
+}
+