56 lines
1.8 KiB
Dart
56 lines
1.8 KiB
Dart
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import 'dart:convert';
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import 'dart:io';
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import 'package:flutter/foundation.dart' show kIsWeb, visibleForTesting;
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import '../../core/constants/app_constants.dart';
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class UpdateService {
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static const _apiUrl =
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'https://api.github.com/repos/davide3011/biteplan/releases/latest';
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/// Returns the latest version string if it's newer than the current version,
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/// or null if already up to date or if the check fails.
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static Future<String?> checkUpdate() async {
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if (kIsWeb) return null;
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try {
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final client = HttpClient()
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..connectionTimeout = const Duration(seconds: 5);
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final request = await client
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.getUrl(Uri.parse(_apiUrl))
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.timeout(const Duration(seconds: 5));
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request.headers
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..set('Accept', 'application/vnd.github+json')
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..set('User-Agent', 'biteplan/$kAppVersion');
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final response =
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await request.close().timeout(const Duration(seconds: 5));
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final body = await response.transform(utf8.decoder).join();
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client.close();
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if (response.statusCode != 200) return null;
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final data = jsonDecode(body) as Map<String, dynamic>;
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final tag = (data['tag_name'] as String).replaceFirst(RegExp(r'^v'), '');
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return isNewer(tag, kAppVersion) ? tag : null;
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} catch (_) {
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return null;
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}
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}
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@visibleForTesting
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static bool isNewer(String remote, String local) {
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final r = parseVersion(remote);
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final l = parseVersion(local);
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for (var i = 0; i < 3; i++) {
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if (r[i] > l[i]) return true;
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if (r[i] < l[i]) return false;
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}
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return false;
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}
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@visibleForTesting
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static List<int> parseVersion(String v) {
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final parts = v.split('.');
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return List.generate(
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3, (i) => i < parts.length ? (int.tryParse(parts[i]) ?? 0) : 0);
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}
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}
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