Refactor: Implement multi-item inventory for Pad Tracker and dynamic navigation

2026-01-02 18:10:50 -06:00
parent 56683f5407
commit 8772b56f36
44 changed files with 3515 additions and 781 deletions
--- a/lib/services/notification_service.dart
+++ b/lib/services/notification_service.dart
@@ -0,0 +1,124 @@
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+import 'package:timezone/timezone.dart' as tz;
+import 'package:timezone/data/latest.dart' as tz;
+import 'package:flutter/foundation.dart'; // For kIsWeb
+
+class NotificationService {
+  static final NotificationService _instance = NotificationService._internal();
+
+  factory NotificationService() {
+    return _instance;
+  }
+
+  NotificationService._internal();
+
+  final FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
+      FlutterLocalNotificationsPlugin();
+
+  bool _isInitialized = false;
+
+  Future<void> initialize() async {
+    if (_isInitialized) return;
+
+    // Timezone initialization
+    if (!kIsWeb) {
+      tz.initializeTimeZones();
+    }
+
+    const AndroidInitializationSettings initializationSettingsAndroid =
+        AndroidInitializationSettings('@mipmap/ic_launcher');
+
+    final DarwinInitializationSettings initializationSettingsDarwin =
+        DarwinInitializationSettings(
+      requestAlertPermission: true,
+      requestBadgePermission: true,
+      requestSoundPermission: true,
+    );
+    
+    // Linux initialization (optional, but good for completeness)
+    final LinuxInitializationSettings initializationSettingsLinux =
+        LinuxInitializationSettings(defaultActionName: 'Open notification');
+
+    final InitializationSettings initializationSettings = InitializationSettings(
+      android: initializationSettingsAndroid,
+      iOS: initializationSettingsDarwin,
+      macOS: initializationSettingsDarwin,
+      linux: initializationSettingsLinux,
+    );
+
+    await flutterLocalNotificationsPlugin.initialize(
+      initializationSettings,
+      onDidReceiveNotificationResponse: (NotificationResponse details) async {
+        // Handle notification tap
+      },
+    );
+
+    _isInitialized = true;
+  }
+
+  Future<void> scheduleNotification({
+    required int id,
+    required String title,
+    required String body,
+    required DateTime scheduledDate,
+  }) async {
+    if (kIsWeb) {
+       // Web platform limitation: Background scheduling is complex. 
+       // For this demo/web preview, we'll just log it or rely on the UI confirmation.
+       print('Web Notification Scheduled: $title - $body at $scheduledDate');
+       return;
+    }
+
+    await flutterLocalNotificationsPlugin.zonedSchedule(
+      id,
+      title,
+      body,
+      tz.TZDateTime.from(scheduledDate, tz.local),
+      const NotificationDetails(
+        android: AndroidNotificationDetails(
+          'pad_tracker_channel',
+          'Pad Tracker Reminders',
+          channelDescription: 'Reminders to change pad/tampon',
+          importance: Importance.max,
+          priority: Priority.high,
+        ),
+        iOS: DarwinNotificationDetails(),
+      ),
+      androidScheduleMode: AndroidScheduleMode.exactAllowWhileIdle,
+      uiLocalNotificationDateInterpretation:
+          UILocalNotificationDateInterpretation.absoluteTime,
+    );
+  }
+
+  // New method for specific notification types
+  Future<void> showLocalNotification({
+     required int id,
+     required String title,
+     required String body,
+     String? channelId,
+     String? channelName,
+  }) async {
+    if (kIsWeb) {
+      print('Web Local Notification: $title - $body');
+      return;
+    }
+    const AndroidNotificationDetails androidNotificationDetails =
+        AndroidNotificationDetails(
+            'tracker_general', 'General Notifications',
+            channelDescription: 'General app notifications',
+            importance: Importance.max,
+            priority: Priority.high,
+            ticker: 'ticker');
+            
+    const NotificationDetails notificationDetails =
+        NotificationDetails(android: androidNotificationDetails);
+        
+    await flutterLocalNotificationsPlugin.show(
+        id, title, body, notificationDetails,
+        payload: 'item x');
+  }
+
+  Future<void> cancelNotification(int id) async {
+    await flutterLocalNotificationsPlugin.cancel(id);
+  }
+}