Initial Commit: Duty Schedule and Attendance Logbook

2026-03-07 10:16:28 +08:00
parent 73dc735cce
commit c6f536edeb
24 changed files with 3165 additions and 282 deletions
@@ -0,0 +1,75 @@
+import 'package:flutter/foundation.dart';
+import 'package:geolocator/geolocator.dart';
+import 'package:supabase_flutter/supabase_flutter.dart';
+import 'package:workmanager/workmanager.dart';
+import 'package:flutter_dotenv/flutter_dotenv.dart';
+
+/// Unique task name for the background location update.
+const _taskName = 'com.tasq.backgroundLocationUpdate';
+
+/// Top-level callback required by Workmanager. Must be a top-level or static
+/// function.
+@pragma('vm:entry-point')
+void callbackDispatcher() {
+  Workmanager().executeTask((task, inputData) async {
+    try {
+      // Re-initialize Supabase in the isolate
+      await dotenv.load();
+      final url = dotenv.env['SUPABASE_URL'] ?? '';
+      final anonKey = dotenv.env['SUPABASE_ANON_KEY'] ?? '';
+      if (url.isEmpty || anonKey.isEmpty) return Future.value(true);
+
+      await Supabase.initialize(url: url, anonKey: anonKey);
+      final client = Supabase.instance.client;
+
+      // Must have an active session
+      final session = client.auth.currentSession;
+      if (session == null) return Future.value(true);
+
+      final serviceEnabled = await Geolocator.isLocationServiceEnabled();
+      if (!serviceEnabled) return Future.value(true);
+
+      final permission = await Geolocator.checkPermission();
+      if (permission == LocationPermission.denied ||
+          permission == LocationPermission.deniedForever) {
+        return Future.value(true);
+      }
+
+      final position = await Geolocator.getCurrentPosition(
+        locationSettings: const LocationSettings(
+          accuracy: LocationAccuracy.high,
+        ),
+      );
+
+      await client.rpc(
+        'update_live_position',
+        params: {'p_lat': position.latitude, 'p_lng': position.longitude},
+      );
+    } catch (e) {
+      debugPrint('Background location update error: $e');
+    }
+    return Future.value(true);
+  });
+}
+
+/// Initialize Workmanager and register periodic background location task.
+Future<void> initBackgroundLocationService() async {
+  await Workmanager().initialize(callbackDispatcher, isInDebugMode: false);
+}
+
+/// Register a periodic task to report location every ~15 minutes
+/// (Android minimum for periodic Workmanager tasks).
+Future<void> startBackgroundLocationUpdates() async {
+  await Workmanager().registerPeriodicTask(
+    _taskName,
+    _taskName,
+    frequency: const Duration(minutes: 15),
+    constraints: Constraints(networkType: NetworkType.connected),
+    existingWorkPolicy: ExistingWorkPolicy.keep,
+  );
+}
+
+/// Cancel the periodic background location task.
+Future<void> stopBackgroundLocationUpdates() async {
+  await Workmanager().cancelByUniqueName(_taskName);
+}