| // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| import 'dart:async'; |
| import 'dart:convert' show JSON, JsonEncoder; |
| import 'dart:io'; |
| |
| import 'package:path/path.dart' as path; |
| |
| import 'usage_impl.dart'; |
| |
| /// An interface to a Google Analytics session, suitable for use in command-line |
| /// applications. |
| /// |
| /// `trackingId`, `applicationName`, and `applicationVersion` values should be supplied. |
| /// `analyticsUrl` is optional, and lets user's substitute their own analytics URL for |
| /// the default. |
| /// |
| /// `documentDirectory` is where the analytics settings are stored. It |
| /// defaults to the user home directory. For regular `dart:io` apps this doesn't need to |
| /// be supplied. For Flutter applications, you should pass in a value like |
| /// `PathProvider.getApplicationDocumentsDirectory()`. |
| class AnalyticsIO extends AnalyticsImpl { |
| AnalyticsIO( |
| String trackingId, String applicationName, String applicationVersion, |
| {String analyticsUrl, Directory documentDirectory}) |
| : super( |
| trackingId, |
| new IOPersistentProperties(applicationName, |
| documentDirPath: documentDirectory?.path), |
| new IOPostHandler(), |
| applicationName: applicationName, |
| applicationVersion: applicationVersion, |
| analyticsUrl: analyticsUrl) { |
| final String locale = getPlatformLocale(); |
| if (locale != null) { |
| setSessionValue('ul', locale); |
| } |
| } |
| } |
| |
| String _createUserAgent() { |
| final String locale = getPlatformLocale() ?? ''; |
| |
| if (Platform.isAndroid) { |
| return 'Mozilla/5.0 (Android; Mobile; ${locale})'; |
| } else if (Platform.isIOS) { |
| return 'Mozilla/5.0 (iPhone; U; CPU iPhone OS like Mac OS X; ${locale})'; |
| } else if (Platform.isMacOS) { |
| return 'Mozilla/5.0 (Macintosh; Intel Mac OS X; Macintosh; ${locale})'; |
| } else if (Platform.isWindows) { |
| return 'Mozilla/5.0 (Windows; Windows; Windows; ${locale})'; |
| } else if (Platform.isLinux) { |
| return 'Mozilla/5.0 (Linux; Linux; Linux; ${locale})'; |
| } else { |
| // Dart/1.8.0 (macos; macos; macos; en_US) |
| String os = Platform.operatingSystem; |
| return "Dart/${getDartVersion()} (${os}; ${os}; ${os}; ${locale})"; |
| } |
| } |
| |
| String userHomeDir() { |
| String envKey = Platform.operatingSystem == 'windows' ? 'APPDATA' : 'HOME'; |
| String value = Platform.environment[envKey]; |
| return value == null ? '.' : value; |
| } |
| |
| String getDartVersion() { |
| String ver = Platform.version; |
| int index = ver.indexOf(' '); |
| if (index != -1) ver = ver.substring(0, index); |
| return ver; |
| } |
| |
| class IOPostHandler extends PostHandler { |
| final String _userAgent; |
| final HttpClient mockClient; |
| |
| HttpClient _client; |
| |
| IOPostHandler({this.mockClient}) : _userAgent = _createUserAgent(); |
| |
| @override |
| Future sendPost(String url, Map<String, dynamic> parameters) async { |
| String data = postEncode(parameters); |
| |
| if (_client == null) { |
| _client = mockClient != null ? mockClient : new HttpClient(); |
| _client.userAgent = _userAgent; |
| } |
| |
| try { |
| HttpClientRequest req = await _client.postUrl(Uri.parse(url)); |
| req.write(data); |
| HttpClientResponse response = await req.close(); |
| response.drain(); |
| } catch (exception) { |
| // Catch errors that can happen during a request, but that we can't do |
| // anything about, e.g. a missing internet connection. |
| } |
| } |
| |
| @override |
| void close() => _client?.close(); |
| } |
| |
| JsonEncoder _jsonEncoder = new JsonEncoder.withIndent(' '); |
| |
| class IOPersistentProperties extends PersistentProperties { |
| File _file; |
| Map _map; |
| |
| IOPersistentProperties(String name, {String documentDirPath}) : super(name) { |
| String fileName = '.${name.replaceAll(' ', '_')}'; |
| documentDirPath ??= userHomeDir(); |
| _file = new File(path.join(documentDirPath, fileName)); |
| if (!_file.existsSync()) { |
| _file.createSync(); |
| } |
| syncSettings(); |
| } |
| |
| IOPersistentProperties.fromFile(File file) : super(path.basename(file.path)) { |
| _file = file; |
| if (!_file.existsSync()) { |
| _file.createSync(); |
| } |
| syncSettings(); |
| } |
| |
| @override |
| dynamic operator [](String key) => _map[key]; |
| |
| @override |
| void operator []=(String key, dynamic value) { |
| if (value == null && !_map.containsKey(key)) return; |
| if (_map[key] == value) return; |
| |
| if (value == null) { |
| _map.remove(key); |
| } else { |
| _map[key] = value; |
| } |
| |
| try { |
| _file.writeAsStringSync(_jsonEncoder.convert(_map) + '\n'); |
| } catch (_) {} |
| } |
| |
| @override |
| void syncSettings() { |
| try { |
| String contents = _file.readAsStringSync(); |
| if (contents.isEmpty) contents = '{}'; |
| _map = JSON.decode(contents); |
| } catch (_) { |
| _map = {}; |
| } |
| } |
| } |
| |
| /// Return the string for the platform's locale; return's `null` if the locale |
| /// can't be determined. |
| String getPlatformLocale() { |
| String locale = Platform.localeName; |
| if (locale == null) return null; |
| |
| if (locale != null) { |
| // Convert `en_US.UTF-8` to `en_US`. |
| int index = locale.indexOf('.'); |
| if (index != -1) locale = locale.substring(0, index); |
| |
| // Convert `en_US` to `en-us`. |
| locale = locale.replaceAll('_', '-').toLowerCase(); |
| } |
| |
| return locale; |
| } |