Request notification permission for geofence alerts

lib/features/settings/models/notification_permission_status.dart

@@ -1,12 +1,14 @@
 enum NotificationPermissionStatus {
   enabled,
-  disabled,
+  requestable,
+  settingsRequired,
   unsupported;
 
   static NotificationPermissionStatus fromPlatformValue(String? value) {
     return switch (value) {
       'enabled' => NotificationPermissionStatus.enabled,
-      'disabled' => NotificationPermissionStatus.disabled,
+      'requestable' => NotificationPermissionStatus.requestable,
+      'settings_required' => NotificationPermissionStatus.settingsRequired,
       _ => NotificationPermissionStatus.unsupported,
     };
   }

lib/features/settings/providers/settings_providers.dart

@@ -93,6 +93,8 @@ final geofenceSystemStatusProvider = FutureProvider<GeofenceSystemState>((
 abstract class NotificationPermissionStatusService {
   Future<NotificationPermissionStatus> inspect();
 
+  Future<void> requestPermission();
+
   Future<void> openSettings();
 }
 
@@ -112,6 +114,15 @@ class DeviceNotificationPermissionStatusService
     }
   }
 
+  @override
+  Future<void> requestPermission() async {
+    try {
+      await _channel.invokeMethod<void>('requestNotificationPermission');
+    } on MissingPluginException {
+      return;
+    }
+  }
+
   @override
   Future<void> openSettings() async {
     try {

lib/screens/settings_screen.dart

@@ -58,11 +58,12 @@ class _SettingsScreenState extends ConsumerState<SettingsScreen>
     final geofenceState = geofenceStatus.asData?.value;
     final notificationStatus = ref.watch(notificationPermissionStatusProvider);
     final notificationPermission = notificationStatus.asData?.value;
+    final bottomInset = MediaQuery.paddingOf(context).bottom;
 
     return Scaffold(
       appBar: AppBar(title: const Text('НАСТРОЙКИ')),
       body: ListView(
-        padding: const EdgeInsets.all(16),
+        padding: EdgeInsets.fromLTRB(16, 16, 16, bottomInset + 24),
         children: [
           _SectionTitle(
             title: 'Дом и подключение',
@@ -321,7 +322,21 @@ class _SettingsScreenState extends ConsumerState<SettingsScreen>
       ],
     };
 
-    if (notificationPermission == NotificationPermissionStatus.disabled) {
+    if (notificationPermission == NotificationPermissionStatus.requestable) {
+      actions.add(
+        FilledButton.tonalIcon(
+          onPressed: () async {
+            await notificationNotifier.requestPermission();
+            ref.invalidate(notificationPermissionStatusProvider);
+          },
+          icon: const Icon(Icons.notifications_active_outlined),
+          label: const Text('Разрешить уведомления'),
+        ),
+      );
+    }
+
+    if (notificationPermission ==
+        NotificationPermissionStatus.settingsRequired) {
       actions.add(
         OutlinedButton.icon(
           onPressed: () async {
@@ -631,7 +646,10 @@ class _SettingsScreenState extends ConsumerState<SettingsScreen>
     return switch (status) {
       NotificationPermissionStatus.enabled =>
         Icons.notifications_active_outlined,
-      NotificationPermissionStatus.disabled => Icons.notifications_off_outlined,
+      NotificationPermissionStatus.requestable =>
+        Icons.notifications_off_outlined,
+      NotificationPermissionStatus.settingsRequired =>
+        Icons.notifications_paused_outlined,
       NotificationPermissionStatus.unsupported ||
       null => Icons.notifications_none_outlined,
     };
@@ -643,7 +661,8 @@ class _SettingsScreenState extends ConsumerState<SettingsScreen>
   ) {
     return switch (status) {
       NotificationPermissionStatus.enabled => Colors.green,
-      NotificationPermissionStatus.disabled => Theme.of(
+      NotificationPermissionStatus.requestable ||
+      NotificationPermissionStatus.settingsRequired => Theme.of(
         context,
       ).colorScheme.error,
       NotificationPermissionStatus.unsupported || null => Colors.white70,
@@ -654,8 +673,10 @@ class _SettingsScreenState extends ConsumerState<SettingsScreen>
     return switch (status) {
       NotificationPermissionStatus.enabled =>
         'После срабатывания geofence приложение сможет прислать подтверждение.',
-      NotificationPermissionStatus.disabled =>
-        'Автовыключение сработает и без них, но подтверждение ты не увидишь.',
+      NotificationPermissionStatus.requestable =>
+        'Android ещё может показать системный запрос на уведомления.',
+      NotificationPermissionStatus.settingsRequired =>
+        'Автовыключение сработает и без них, но подтверждение нужно включить вручную.',
       NotificationPermissionStatus.unsupported =>
         'На этой платформе отдельный статус уведомлений не используется.',
       null => 'Проверяем, доступны ли уведомления для подтверждения.',