[BOOK-364] feat: 알림 설정 화면에서 권한 변경 시 서버 동기화 로직 추가

Author: seoyoon513

core/data/api/src/main/kotlin/com/ninecraft/booket/core/data/api/repository/UserRepository.kt

@@ -20,6 +20,8 @@ interface UserRepository {
 
     val isUserNotificationEnabled: Flow<Boolean>
 
+    suspend fun getUserNotificationEnabled(): Boolean
+
     suspend fun setUserNotificationEnabled(isEnabled: Boolean)
 
     suspend fun getLastSyncedNotificationEnabled(): Boolean?

core/data/impl/src/main/kotlin/com/ninecraft/booket/core/data/impl/repository/DefaultUserRepository.kt

@@ -58,6 +58,8 @@ internal class DefaultUserRepository @Inject constructor(
 
     override val isUserNotificationEnabled = notificationDataSource.isUserNotificationEnabled
 
+    override suspend fun getUserNotificationEnabled(): Boolean = isUserNotificationEnabled.first()
+
     override suspend fun setUserNotificationEnabled(isEnabled: Boolean) {
         notificationDataSource.setUserNotificationEnabled(isEnabled)
     }

feature/home/src/main/kotlin/com/ninecraft/booket/feature/home/HomePresenter.kt

@@ -104,7 +104,7 @@ class HomePresenter @AssistedInject constructor(
 
                 is HomeUiEvent.OnNotificationPermissionResult -> {
                     scope.launch {
-                        val isPermissionGranted = event.isGranted
+                        val isPermissionGranted = event.granted
                         val lastSyncedServerEnabled = userRepository.getLastSyncedNotificationEnabled()
 
                         if (lastSyncedServerEnabled == null || isPermissionGranted != lastSyncedServerEnabled) {

feature/home/src/main/kotlin/com/ninecraft/booket/feature/home/HomeUiState.kt

@@ -43,5 +43,5 @@ sealed interface HomeUiEvent : CircuitUiEvent {
     ) : HomeUiEvent
     data object OnRetryClick : HomeUiEvent
     data class OnTabSelected(val tab: MainTab) : HomeUiEvent
-    data class OnNotificationPermissionResult(val isGranted: Boolean) : HomeUiEvent
+    data class OnNotificationPermissionResult(val granted: Boolean) : HomeUiEvent
 }

feature/settings/src/main/kotlin/com/ninecraft/booket/feature/settings/notification/NotificationPresenter.kt

@@ -57,6 +57,27 @@ class NotificationPresenter @AssistedInject constructor(
             }
         }
 
+        suspend fun syncNotificationSettings(enabled: Boolean) {
+            userRepository.updateNotificationSettings(enabled)
+                .onSuccess {
+                    userRepository.setLastNotificationSyncedEnabled(enabled)
+                }
+                .onFailure { exception ->
+                    val handleErrorMessage = { message: String ->
+                        Logger.e(message)
+                        sideEffect = NotificationSideEffect.ShowToast(message)
+                    }
+
+                    handleException(
+                        exception = exception,
+                        onError = handleErrorMessage,
+                        onLoginRequired = {
+                            navigator.resetRoot(LoginScreen())
+                        },
+                    )
+                }
+        }
+
         fun handleEvent(event: NotificationUiEvent) {
             when (event) {
                 is NotificationUiEvent.InitSideEffect -> {
@@ -67,6 +88,21 @@ class NotificationPresenter @AssistedInject constructor(
                     navigator.pop()
                 }
 
+                is NotificationUiEvent.OnNotificationPermissionResult -> {
+                    scope.launch {
+                        val isPermissionGranted = event.granted
+                        val userEnabled = userRepository.getUserNotificationEnabled()
+                        val lastSyncedServerEnabled = userRepository.getLastSyncedNotificationEnabled()
+
+                        val shouldSync = (!isPermissionGranted && lastSyncedServerEnabled != false)
+                            || (userEnabled && (lastSyncedServerEnabled == null || lastSyncedServerEnabled != isPermissionGranted))
+
+                        if (shouldSync) {
+                            syncNotificationSettings(isPermissionGranted)
+                        }
+                    }
+                }
+
                 is NotificationUiEvent.OnNotificationToggle -> {
                     updateNotificationSettings(event.enabled)
                 }

feature/settings/src/main/kotlin/com/ninecraft/booket/feature/settings/notification/NotificationUi.kt

@@ -70,6 +70,7 @@ internal fun NotificationUi(
         val observer = LifecycleEventObserver { _, event ->
             if (event == Lifecycle.Event.ON_RESUME) {
                 value = checkSystemNotificationEnabled(context)
+                state.eventSink(NotificationUiEvent.OnNotificationPermissionResult(value))
             }
         }
         lifecycleOwner.lifecycle.addObserver(observer)

feature/settings/src/main/kotlin/com/ninecraft/booket/feature/settings/notification/NotificationUiState.kt

@@ -23,5 +23,6 @@ sealed interface NotificationSideEffect {
 sealed interface NotificationUiEvent : CircuitUiEvent {
     data object InitSideEffect : NotificationUiEvent
     data object OnBackClick : NotificationUiEvent
+    data class OnNotificationPermissionResult(val granted: Boolean) : NotificationUiEvent
     data class OnNotificationToggle(val enabled: Boolean) : NotificationUiEvent
 }