fix(fcm): 시스템 카테고리 알림 저장 제외 정책을 서비스에 반영한다

src/main/kotlin/kr/co/vividnext/sodalive/can/charge/event/ChargeEventService.kt

@@ -79,7 +79,7 @@ class ChargeEventService(
                 applicationEventPublisher.publishEvent(
                     FcmEvent(
                         type = FcmEventType.INDIVIDUAL,
-                        category = PushNotificationCategory.MESSAGE,
+                        category = PushNotificationCategory.SYSTEM,
                         title = chargeEvent.title,
                         messageKey = "can.charge.event.additional_can_paid",
                         args = listOf(additionalCan),
@@ -103,7 +103,7 @@ class ChargeEventService(
         applicationEventPublisher.publishEvent(
             FcmEvent(
                 type = FcmEventType.INDIVIDUAL,
-                category = PushNotificationCategory.MESSAGE,
+                category = PushNotificationCategory.SYSTEM,
                 titleKey = "can.charge.event.first_title",
                 messageKey = "can.charge.event.additional_can_paid",
                 args = listOf(additionalCan),

src/main/kotlin/kr/co/vividnext/sodalive/fcm/notification/PushNotificationService.kt

@@ -48,6 +48,7 @@ class PushNotificationService(
         if (recipientMemberIds.isEmpty()) return
 
         val category = resolveCategory(fcmEvent) ?: return
+        if (category == PushNotificationCategory.SYSTEM) return
         val senderSnapshot = resolveSenderSnapshot(fcmEvent)
         val deepLink = FcmService.buildDeepLink(
             serverEnv = serverEnv,

src/test/kotlin/kr/co/vividnext/sodalive/fcm/notification/PushNotificationServiceTest.kt

@@ -78,6 +78,62 @@ class PushNotificationServiceTest {
         Mockito.verify(pushNotificationListRepository, Mockito.never()).save(Mockito.any(PushNotificationList::class.java))
     }
 
+    @Test
+    fun shouldNotSaveWhenResolvedCategoryIsSystem() {
+        // given: 이벤트 category가 null이고 타입 기반 보정 결과가 SYSTEM인 상황을 준비한다.
+        val event = FcmEvent(
+            type = FcmEventType.INDIVIDUAL,
+            category = null,
+            recipients = listOf(1L)
+        )
+        val pushTokens = listOf(PushTokenInfo(token = "token-1", deviceType = "aos", languageCode = "ko"))
+
+        Mockito.`when`(pushTokenRepository.findMemberIdsByTokenIn(listOf("token-1"))).thenReturn(listOf(1L))
+
+        // when: 알림 적재를 실행한다.
+        service.saveNotification(
+            fcmEvent = event,
+            languageCode = "ko",
+            translatedMessage = "시스템 알림",
+            recipientPushTokens = pushTokens
+        )
+
+        // then: SYSTEM 카테고리 보정 결과에 따라 저장이 발생하지 않아야 한다.
+        Mockito.verify(pushNotificationListRepository, Mockito.never()).save(Mockito.any(PushNotificationList::class.java))
+    }
+
+    @Test
+    fun shouldSaveWhenCategoryIsNullAndResolvedCategoryIsNonSystem() {
+        // given: 이벤트 category가 null이어도 타입 기반 보정 결과가 LIVE면 저장되어야 한다.
+        val event = FcmEvent(
+            type = FcmEventType.START_LIVE,
+            category = null,
+            roomId = 11L,
+            creatorId = 20L,
+            deepLinkValue = FcmDeepLinkValue.LIVE,
+            deepLinkId = 11L
+        )
+        val pushTokens = listOf(PushTokenInfo(token = "token-a", deviceType = "aos", languageCode = "ko"))
+
+        Mockito.`when`(pushTokenRepository.findMemberIdsByTokenIn(listOf("token-a"))).thenReturn(listOf(10L))
+        Mockito.`when`(pushNotificationListRepository.save(Mockito.any(PushNotificationList::class.java)))
+            .thenAnswer { invocation -> invocation.getArgument(0) }
+
+        // when: 알림 적재를 실행한다.
+        service.saveNotification(
+            fcmEvent = event,
+            languageCode = "ko",
+            translatedMessage = "라이브가 시작되었습니다.",
+            recipientPushTokens = pushTokens
+        )
+
+        // then: 보정된 LIVE 카테고리로 저장되어야 한다.
+        val captor = ArgumentCaptor.forClass(PushNotificationList::class.java)
+        Mockito.verify(pushNotificationListRepository).save(captor.capture())
+        val saved = captor.value
+        assertEquals(PushNotificationCategory.LIVE, saved.category)
+    }
+
     @Test
     fun shouldSaveChunkedRecipientsAndSenderSnapshotWhenEventIsValid() {
         // given: 1001명의 수신자를 가진 유효 이벤트를 준비한다.