116 lines
3.9 KiB
Dart
116 lines
3.9 KiB
Dart
import 'package:flutter/foundation.dart';
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import 'package:sqflite/sqflite.dart';
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import 'package:environment_monitoring_app/services/api_service.dart';
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import 'package:environment_monitoring_app/services/settings_service.dart';
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class TelegramService {
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final ApiService _apiService = ApiService();
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final DatabaseHelper _dbHelper = DatabaseHelper();
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final SettingsService _settingsService = SettingsService();
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bool _isProcessing = false;
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Future<String> _getChatIdForModule(String module) async {
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switch (module) {
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case 'marine_in_situ':
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return await _settingsService.getInSituChatId();
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case 'marine_tarball':
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return await _settingsService.getTarballChatId();
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case 'air_manual': // ADDED THIS CASE
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return await _settingsService.getAirManualChatId();
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default:
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return '';
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}
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}
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/// Tries to send an alert immediately over the network.
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/// Returns `true` on success, `false` on failure.
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Future<bool> sendAlertImmediately(String module, String message) async {
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debugPrint("[TelegramService] Attempting to send alert immediately for module: $module");
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String chatId = await _getChatIdForModule(module);
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if (chatId.isEmpty) {
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debugPrint("[TelegramService] ❌ Cannot send immediately. Chat ID for module '$module' is not configured.");
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return false;
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}
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final result = await _apiService.sendTelegramAlert(
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chatId: chatId,
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message: message,
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);
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if (result['success'] == true) {
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debugPrint("[TelegramService] ✅ Alert sent immediately.");
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return true;
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} else {
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debugPrint("[TelegramService] ❌ Immediate send failed. Reason: ${result['message']}");
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return false;
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}
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}
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/// Saves an alert to the local database queue. (This is now the fallback)
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Future<void> queueMessage(String module, String message) async {
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String chatId = await _getChatIdForModule(module);
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if (chatId.isEmpty) {
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debugPrint("[TelegramService] ❌ ERROR: Cannot queue alert. Chat ID for module '$module' is not configured.");
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return;
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}
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debugPrint("[TelegramService] ⬇️ Immediate send failed. Saving alert to local queue.");
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final db = await _dbHelper.database;
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await db.insert(
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'alert_queue',
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{
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'chat_id': chatId,
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'message': message,
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'created_at': DateTime.now().toIso8601String(),
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},
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);
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debugPrint("[TelegramService] ✅ Alert queued for module: $module");
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}
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/// Processes all pending alerts in the queue.
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Future<void> processAlertQueue() async {
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if (_isProcessing) {
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debugPrint("[TelegramService] ⏳ Queue is already being processed. Skipping.");
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return;
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}
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_isProcessing = true;
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debugPrint("[TelegramService] ▶️ Starting to process alert queue...");
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final db = await _dbHelper.database;
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final List<Map<String, dynamic>> pendingAlerts = await db.query('alert_queue', orderBy: 'created_at');
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if (pendingAlerts.isEmpty) {
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debugPrint("[TelegramService] ⏹️ Queue is empty. Nothing to process.");
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_isProcessing = false;
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return;
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}
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debugPrint("[TelegramService] 🔎 Found ${pendingAlerts.length} pending alerts.");
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for (var alert in pendingAlerts) {
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final alertId = alert['id'];
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final chatId = alert['chat_id'];
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debugPrint("[TelegramService] - Processing alert ID: $alertId for Chat ID: $chatId");
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final result = await _apiService.sendTelegramAlert(
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chatId: chatId,
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message: alert['message'],
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);
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if (result['success'] == true) {
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await db.delete('alert_queue', where: 'id = ?', whereArgs: [alertId]);
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debugPrint("[TelegramService] ✅ SUCCESS: Alert ID $alertId sent and removed from queue.");
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} else {
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debugPrint("[TelegramService] ❌ FAILED: Alert ID $alertId could not be sent. Reason: ${result['message']}");
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}
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}
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debugPrint("[TelegramService] ⏹️ Finished processing alert queue.");
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_isProcessing = false;
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}
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}
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