79 lines
3.3 KiB
Dart
79 lines
3.3 KiB
Dart
// lib/services/ftp_service.dart
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import 'dart:io';
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import 'package:flutter/foundation.dart';
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import 'package:ftpconnect/ftpconnect.dart';
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import 'package:environment_monitoring_app/services/server_config_service.dart';
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// --- ADDED: Import for the new service that manages the retry queue ---
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import 'package:environment_monitoring_app/services/retry_service.dart';
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class FtpService {
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final ServerConfigService _serverConfigService = ServerConfigService();
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// --- REMOVED: This creates an infinite loop with RetryService ---
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// final RetryService _retryService = RetryService();
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/// Uploads a single file to the active server's FTP.
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///
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/// [fileToUpload] The local file to be uploaded.
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/// [remotePath] The destination path on the FTP server (e.g., '/uploads/images/').
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/// Returns a map with 'success' and 'message' keys.
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Future<Map<String, dynamic>> uploadFile(File fileToUpload, String remotePath) async {
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final config = await _serverConfigService.getActiveFtpConfig();
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if (config == null || config['ftp_host'] == null || config['ftp_user'] == null || config['ftp_pass'] == null) {
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return {'success': false, 'message': 'FTP credentials are not configured or selected.'};
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}
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final ftpHost = config['ftp_host'] as String;
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final ftpUser = config['ftp_user'] as String;
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final ftpPass = config['ftp_pass'] as String;
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final ftpPort = config['ftp_port'] as int? ?? 21; // Default to port 21
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final ftpConnect = FTPConnect(
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ftpHost,
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user: ftpUser,
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pass: ftpPass,
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port: ftpPort,
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showLog: kDebugMode, // Show logs only in debug mode
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timeout: 60, // --- MODIFIED: Set the timeout to 60 seconds ---
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);
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try {
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debugPrint('FTP: Connecting to $ftpHost...');
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await ftpConnect.connect();
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debugPrint('FTP: Uploading file ${fileToUpload.path} to $remotePath...');
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bool res = await ftpConnect.uploadFileWithRetry(
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fileToUpload,
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pRemoteName: remotePath,
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pRetryCount: 3, // --- MODIFIED: Retry three times on failure ---
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);
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if (res) {
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return {'success': true, 'message': 'File uploaded successfully via FTP.'};
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} else {
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// --- MODIFIED: Create a local instance of RetryService to break the circular dependency ---
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final retryService = RetryService();
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debugPrint('FTP upload for ${fileToUpload.path} failed after retries, queueing.');
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await retryService.addFtpToQueue(
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localFilePath: fileToUpload.path,
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remotePath: remotePath
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);
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return {'success': false, 'message': 'FTP upload failed and has been queued for manual retry.'};
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}
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} catch (e) {
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// --- MODIFIED: Create a local instance of RetryService to break the circular dependency ---
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final retryService = RetryService();
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debugPrint('FTP upload for ${fileToUpload.path} failed with an exception, queueing. Error: $e');
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await retryService.addFtpToQueue(
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localFilePath: fileToUpload.path,
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remotePath: remotePath
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);
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return {'success': false, 'message': 'FTP upload failed and has been queued for manual retry.'};
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} finally {
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// Always ensure disconnection, even if an error occurs.
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debugPrint('FTP: Disconnecting...');
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await ftpConnect.disconnect();
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}
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}
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} |