h-1 lebaran
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Khafidh Fuadi
204
lib/app/services/notification_service.dart
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204
lib/app/services/notification_service.dart
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import 'package:flutter/material.dart';
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import 'package:get/get.dart';
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import 'package:penyaluran_app/app/services/supabase_service.dart';
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class NotificationService extends GetxService {
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static NotificationService get to => Get.find<NotificationService>();
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final SupabaseService _supabaseService = SupabaseService.to;
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// Daftar notifikasi yang belum dibaca
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final RxList<Map<String, dynamic>> unreadNotifications =
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<Map<String, dynamic>>[].obs;
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// Mengontrol status loading
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final RxBool isLoading = false.obs;
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// Jumlah notifikasi yang belum dibaca
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final RxInt unreadCount = 0.obs;
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@override
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void onInit() {
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super.onInit();
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fetchNotifications();
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}
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// Mengambil notifikasi dari database
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Future<void> fetchNotifications() async {
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try {
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isLoading.value = true;
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// Ambil notifikasi dari tabel notifikasi di database
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final userId = _supabaseService.currentUser?.id;
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if (userId != null) {
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final response = await _supabaseService.client
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.from('notifikasi_jadwal')
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.select('*')
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.eq('user_id', userId)
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.eq('is_read', false)
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.order('created_at', ascending: false)
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.limit(20);
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if (response != null) {
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unreadNotifications.value = response;
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unreadCount.value = unreadNotifications.length;
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}
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}
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} catch (e) {
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print('Error fetching notifications: $e');
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} finally {
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isLoading.value = false;
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}
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}
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// Mengirim notifikasi untuk perubahan status jadwal
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Future<void> sendJadwalStatusNotification({
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required String jadwalId,
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required String newStatus,
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required String jadwalNama,
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List<String>? targetUserIds,
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}) async {
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try {
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final currentUserId = _supabaseService.currentUser?.id;
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if (currentUserId == null) return;
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// Buat pesan berdasarkan status
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String message;
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String title;
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switch (newStatus) {
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case 'AKTIF':
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title = 'Jadwal Aktif';
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message =
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'Jadwal "$jadwalNama" sekarang aktif dan siap dilaksanakan.';
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break;
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case 'TERLAKSANA':
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title = 'Jadwal Selesai';
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message = 'Jadwal "$jadwalNama" telah berhasil dilaksanakan.';
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break;
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case 'BATALTERLAKSANA':
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title = 'Jadwal Terlewat';
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message =
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'Jadwal "$jadwalNama" telah terlewat dan dibatalkan secara otomatis.';
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break;
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default:
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title = 'Perubahan Status Jadwal';
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message = 'Status jadwal "$jadwalNama" berubah menjadi $newStatus.';
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}
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// Jika tidak ada targetUserIds, notifikasi hanya untuk diri sendiri
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final users = targetUserIds ?? [currentUserId];
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// Simpan notifikasi ke database untuk setiap user
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for (final userId in users) {
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await _supabaseService.client.from('notifikasi_jadwal').insert({
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'user_id': userId,
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'title': title,
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'message': message,
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'jadwal_id': jadwalId,
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'status': newStatus,
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'is_read': false,
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'created_at': DateTime.now().toUtc().toIso8601String(),
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'created_by': currentUserId,
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});
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}
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// Jika perubahan status dari pengguna saat ini, tampilkan notifikasi
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if (users.contains(currentUserId)) {
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showStatusChangeNotification(title, message, newStatus);
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}
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// Perbarui daftar notifikasi
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await fetchNotifications();
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} catch (e) {
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print('Error sending notification: $e');
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}
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}
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// Menampilkan notifikasi status di UI
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void showStatusChangeNotification(
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String title, String message, String status) {
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Color backgroundColor;
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// Pilih warna berdasarkan status
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switch (status) {
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case 'AKTIF':
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backgroundColor = Colors.green;
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break;
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case 'TERLAKSANA':
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backgroundColor = Colors.blue;
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break;
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case 'BATALTERLAKSANA':
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backgroundColor = Colors.orange;
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break;
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default:
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backgroundColor = Colors.grey;
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}
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// Tampilkan notifikasi
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Get.snackbar(
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title,
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message,
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snackPosition: SnackPosition.TOP,
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backgroundColor: backgroundColor.withOpacity(0.8),
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colorText: Colors.white,
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duration: const Duration(seconds: 4),
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margin: const EdgeInsets.all(8),
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borderRadius: 8,
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icon: Icon(
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_getIconForStatus(status),
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color: Colors.white,
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),
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);
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}
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// Menandai notifikasi sebagai telah dibaca
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Future<void> markAsRead(String notificationId) async {
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try {
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await _supabaseService.client
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.from('notifikasi_jadwal')
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.update({'is_read': true}).eq('id', notificationId);
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// Hapus dari daftar yang belum dibaca
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unreadNotifications
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.removeWhere((notification) => notification['id'] == notificationId);
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unreadCount.value = unreadNotifications.length;
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} catch (e) {
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print('Error marking notification as read: $e');
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}
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}
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// Menandai semua notifikasi sebagai telah dibaca
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Future<void> markAllAsRead() async {
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try {
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final userId = _supabaseService.currentUser?.id;
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if (userId == null) return;
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await _supabaseService.client
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.from('notifikasi_jadwal')
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.update({'is_read': true})
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.eq('user_id', userId)
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.eq('is_read', false);
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// Kosongkan daftar yang belum dibaca
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unreadNotifications.clear();
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unreadCount.value = 0;
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} catch (e) {
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print('Error marking all notifications as read: $e');
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}
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}
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// Mendapatkan ikon berdasarkan status
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IconData _getIconForStatus(String status) {
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switch (status) {
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case 'AKTIF':
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return Icons.event_available;
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case 'TERLAKSANA':
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return Icons.check_circle;
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case 'BATALTERLAKSANA':
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return Icons.event_busy;
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default:
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return Icons.notifications;
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}
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}
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}
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