feat: 알림 리스트에 안 읽은 개수 추가

src/main/java/com/polzzak/domain/notification/controller/NotificationController.java

@@ -12,7 +12,7 @@
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
-import com.polzzak.domain.notification.dto.NotificationResponse;
+import com.polzzak.domain.notification.dto.NotificationResponseWithCount;
 import com.polzzak.domain.notification.dto.NotificationSettingDto;
 import com.polzzak.domain.notification.dto.UpdateNotificationSetting;
 import com.polzzak.domain.notification.service.NotificationService;
@@ -32,7 +32,7 @@ public class NotificationController {
 	private final String longMaxValue = "9223372036854775807";
 
 	@GetMapping
-	public ResponseEntity<ApiResponse<NotificationResponse>> getNotifications(final @LoginId Long memberId,
+	public ResponseEntity<ApiResponse<NotificationResponseWithCount>> getNotifications(final @LoginId Long memberId,
 		@RequestParam(required = false, defaultValue = longMaxValue) final long startId) {
 		return ResponseEntity.ok(
 			ApiResponse.ok(

src/main/java/com/polzzak/domain/notification/dto/NotificationResponseWithCount.java

@@ -0,0 +1,8 @@
+package com.polzzak.domain.notification.dto;
+
+public record NotificationResponseWithCount(NotificationResponse response, int unreadNotificationCount) {
+
+	public static NotificationResponseWithCount from(NotificationResponse response, int unreadNotificationCount) {
+		return new NotificationResponseWithCount(response, unreadNotificationCount);
+	}
+}

src/main/java/com/polzzak/domain/notification/repository/NotificationRepository.java

@@ -35,4 +35,10 @@ Long selectIdBySenderIdAndReceiverIdAndStatus(@Param("senderId") Long senderId,
 	void deleteByIdIn(List<Long> ids);
 
 	void deleteByReceiver(Member receiver);
+
+	@Query(nativeQuery = true, value = """
+		SELECT COUNT(1)
+		FROM notification n
+		WHERE n.receiver_id = :receiverId  AND `status` = 'UNREAD'""")
+	int countByStatusIsUnRead(@Param("receiverId") Long receiverId);
 }

src/main/java/com/polzzak/domain/notification/service/NotificationService.java

@@ -13,6 +13,7 @@
 import com.polzzak.domain.notification.dto.MemberDtoForNotification;
 import com.polzzak.domain.notification.dto.NotificationDto;
 import com.polzzak.domain.notification.dto.NotificationResponse;
+import com.polzzak.domain.notification.dto.NotificationResponseWithCount;
 import com.polzzak.domain.notification.dto.NotificationSettingDto;
 import com.polzzak.domain.notification.dto.UpdateNotificationSetting;
 import com.polzzak.domain.notification.entity.Notification;
@@ -57,7 +58,7 @@ public Notification addNotification(final Long senderId, final Long receiverId,
 	}
 
 	@Transactional
-	public NotificationResponse getNotificationsAndChangeStatus(final Long memberId, final int size,
+	public NotificationResponseWithCount getNotificationsAndChangeStatus(final Long memberId, final int size,
 		final long startId) {
 		NotificationResponse notificationResponse = getNotificationResponse(memberId, size, startId);
 
@@ -66,8 +67,8 @@ public NotificationResponse getNotificationsAndChangeStatus(final Long memberId,
 			.map(NotificationDto::id)
 			.toList();
 		notificationRepository.updateStatusByIds(notificationIds, Notification.Status.READ);
-
-		return notificationResponse;
+		int count = notificationRepository.countByStatusIsUnRead(memberId);
+		return NotificationResponseWithCount.from(notificationResponse, count);
 	}
 
 	@Transactional

src/test/java/com/polzzak/domain/notification/controller/NotificationControllerTest.java

@@ -46,7 +46,7 @@ public void setup() {
 	@DisplayName("알림 목록 조회 테스트")
 	void getNotificationsTest() throws Exception {
 		when(notificationService.getNotificationsAndChangeStatus(anyLong(), anyInt(), anyLong())).thenReturn(
-			NotificationFixtures.NOTIFICATION_RESPONSE);
+			NotificationFixtures.NOTIFICATION_RESPONSE_WITH_COUNT);
 
 		mockMvc.perform(
 				get(BASE_URL)
@@ -67,20 +67,24 @@ void getNotificationsTest() throws Exception {
 					fieldWithPath("code").description("응답 코드"),
 					fieldWithPath("messages").description("응답 메시지"),
 					fieldWithPath("data").description("응답 데이터"),
-					fieldWithPath("data.startId").description("다음 조회 ID (null이면 끝)").optional(),
-					fieldWithPath("data.notificationDtoList[]").description("알림 목록"),
-					fieldWithPath("data.notificationDtoList[].id").description("알림 ID").optional(),
-					fieldWithPath("data.notificationDtoList[].type").description("알림 타").optional(),
-					fieldWithPath("data.notificationDtoList[].status").description("알림 상태").optional(),
-					fieldWithPath("data.notificationDtoList[].title").description("알림 제목").optional(),
-					fieldWithPath("data.notificationDtoList[].message").description("알림 내용").optional(),
-					fieldWithPath("data.notificationDtoList[].sender").description("전송자 정보").optional(),
-					fieldWithPath("data.notificationDtoList[].sender.id").description("전송자 ID").optional(),
-					fieldWithPath("data.notificationDtoList[].sender.nickname").description("전송자 닉네임").optional(),
-					fieldWithPath("data.notificationDtoList[].sender.profileUrl").description("전송자 이미지").optional(),
-					fieldWithPath("data.notificationDtoList[].link").description("알림 링크").optional(),
-					fieldWithPath("data.notificationDtoList[].requestFamilyId").description("연동 요청 ID").optional(),
-					fieldWithPath("data.notificationDtoList[].createdDate").description("알림 생성 시간").optional()
+					fieldWithPath("data.response.startId").description("다음 조회 ID (null이면 끝)").optional(),
+					fieldWithPath("data.response.notificationDtoList[]").description("알림 목록"),
+					fieldWithPath("data.response.notificationDtoList[].id").description("알림 ID").optional(),
+					fieldWithPath("data.response.notificationDtoList[].type").description("알림 타").optional(),
+					fieldWithPath("data.response.notificationDtoList[].status").description("알림 상태").optional(),
+					fieldWithPath("data.response.notificationDtoList[].title").description("알림 제목").optional(),
+					fieldWithPath("data.response.notificationDtoList[].message").description("알림 내용").optional(),
+					fieldWithPath("data.response.notificationDtoList[].sender").description("전송자 정보").optional(),
+					fieldWithPath("data.response.notificationDtoList[].sender.id").description("전송자 ID").optional(),
+					fieldWithPath("data.response.notificationDtoList[].sender.nickname").description("전송자 닉네임")
+						.optional(),
+					fieldWithPath("data.response.notificationDtoList[].sender.profileUrl").description("전송자 이미지")
+						.optional(),
+					fieldWithPath("data.response.notificationDtoList[].link").description("알림 링크").optional(),
+					fieldWithPath("data.response.notificationDtoList[].requestFamilyId").description("연동 요청 ID")
+						.optional(),
+					fieldWithPath("data.response.notificationDtoList[].createdDate").description("알림 생성 시간").optional(),
+					fieldWithPath("data.unreadNotificationCount").description("남은 알림 수").optional()
 				)));
 	}
 

src/test/java/com/polzzak/support/NotificationFixtures.java

@@ -6,6 +6,7 @@
 import com.polzzak.domain.notification.dto.MemberDtoForNotification;
 import com.polzzak.domain.notification.dto.NotificationDto;
 import com.polzzak.domain.notification.dto.NotificationResponse;
+import com.polzzak.domain.notification.dto.NotificationResponseWithCount;
 import com.polzzak.domain.notification.dto.NotificationSettingDto;
 import com.polzzak.domain.notification.dto.UpdateNotificationSetting;
 import com.polzzak.domain.notification.entity.Notification;
@@ -18,10 +19,11 @@ public class NotificationFixtures {
 		new NotificationDto(1, NotificationType.CREATED_STAMP_BOARD, Notification.Status.UNREAD, "title1", "message1",
 			MEMBER1, "link1", 22L, LocalDateTime.now()),
 		new NotificationDto(1, NotificationType.ISSUED_COUPON, Notification.Status.READ, "title2", "message2", MEMBER2,
-			"link2", 23L, LocalDateTime.now())
-	);
+			"link2", 23L, LocalDateTime.now()));
 	public static final NotificationResponse NOTIFICATION_RESPONSE = new NotificationResponse(null,
 		NOTIFICATION_DTO_LIST);
+	public static final NotificationResponseWithCount NOTIFICATION_RESPONSE_WITH_COUNT =
+		new NotificationResponseWithCount(NOTIFICATION_RESPONSE, 12);
 
 	public static final NotificationSettingDto NOTIFICATION_SETTING_DTO = new NotificationSettingDto(true, true, true,
 		false, false, true, true, false, true, true);