109 lines
3.0 KiB
Dart
109 lines
3.0 KiB
Dart
import 'dart:convert';
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import 'dart:io';
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import 'dart:math';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'dart:async';
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import 'package:gecko/globals.dart';
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import 'package:package_info/package_info.dart';
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import 'package:path_provider/path_provider.dart';
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class HomeProvider with ChangeNotifier {
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int _currentIndex = 0;
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get currentIndex => _currentIndex;
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set currentIndex(int index) {
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_currentIndex = index;
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notifyListeners();
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}
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Future<String> getAppVersion() async {
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PackageInfo packageInfo = await PackageInfo.fromPlatform();
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String version = packageInfo.version;
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String buildNumber = packageInfo.buildNumber;
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notifyListeners();
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return version + '+' + buildNumber;
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}
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Future<String> getValidEndpoint() async {
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List _listEndpoints = await rootBundle
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.loadString('config/gva_endpoints.json')
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.then((jsonStr) => jsonDecode(jsonStr));
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_listEndpoints.shuffle();
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int i = 0;
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String _endpoint;
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int statusCode = 0;
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final client = new HttpClient();
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client.connectionTimeout = const Duration(milliseconds: 800);
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do {
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i++;
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print(i.toString() + ' ème essai de recherche de endpoint GVA.');
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print('Try GVA endpoint: ${_listEndpoints[i]}');
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if (i > 2) {
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print('NO VALID GVA ENDPOINT FOUND');
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_endpoint = 'HS';
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break;
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}
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if (i != 0) {
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await Future.delayed(const Duration(milliseconds: 300));
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}
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try {
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final request = await client.postUrl(Uri.parse(_listEndpoints[i]));
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final response = await request.close();
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_endpoint = _listEndpoints[i];
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statusCode = response.statusCode;
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} on TimeoutException catch (_) {
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print('This endpoint is timeout, next');
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statusCode = 50;
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continue;
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} on SocketException catch (_) {
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print('This endpoint is a bad endpoint, next');
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statusCode = 70;
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continue;
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} on Exception {
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print('Unknown error');
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statusCode = 60;
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continue;
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}
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} while (statusCode != 400);
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print('ENDPOINT: ' + _endpoint);
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return _endpoint;
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}
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Future getAppPath() async {
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appPath = await getApplicationDocumentsDirectory();
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walletsDirectory = Directory('${appPath.path}/wallets');
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bool isWalletFolderExist = await walletsDirectory.exists();
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if (!isWalletFolderExist) {
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await Directory(walletsDirectory.path).create();
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}
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}
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Future createDefaultAvatar() async {
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File defaultAvatar = File(appPath.path + '/default_avatar.png');
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final bool isAvatarExist = await defaultAvatar.exists();
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if (!isAvatarExist) {
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final byteData = await rootBundle.load('assets/icon_user.png');
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await defaultAvatar.writeAsBytes(byteData.buffer
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.asUint8List(byteData.offsetInBytes, byteData.lengthInBytes));
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}
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}
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T getRandomElement<T>(List<T> list) {
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final random = new Random();
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var i = random.nextInt(list.length);
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return list[i];
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}
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}
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