85 lines
2.0 KiB
Dart
85 lines
2.0 KiB
Dart
import 'dart:convert';
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import 'package:flutter/cupertino.dart';
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import 'package:http/http.dart' as http;
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import 'package:package_info_plus/package_info_plus.dart';
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class UpdateInfo {
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final bool update;
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final String version;
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final String notes;
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final bool mandatory;
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final String sha256;
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final String download;
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UpdateInfo({
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required this.update,
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required this.version,
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required this.notes,
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required this.mandatory,
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required this.sha256,
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required this.download,
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});
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factory UpdateInfo.fromJson(Map<String, dynamic> json) {
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return UpdateInfo(
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update: json["update"] ?? false,
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version: json["version"] ?? "",
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notes: json["notes"] ?? "",
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mandatory: json["mandatory"] ?? false,
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sha256: json["sha256"] ?? "",
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download: json["download"] ?? "",
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);
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}
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@override
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bool operator ==(Object other) =>
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identical(this, other) ||
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other is UpdateInfo &&
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update == other.update &&
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version == other.version &&
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notes == other.notes &&
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mandatory == other.mandatory &&
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sha256 == other.sha256 &&
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download == other.download;
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@override
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int get hashCode =>
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Object.hash(update, version, notes, mandatory, sha256, download);
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}
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class AppUpdateUtil {
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final String serverUrl;
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AppUpdateUtil({required this.serverUrl});
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Future<String> currentVersion() async {
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final info = await PackageInfo.fromPlatform();
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debugPrint("Current app version: ${info.version}");
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return info.version;
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}
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Future<UpdateInfo?> checkForUpdate() async {
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final version = await currentVersion();
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final url = Uri.parse("$serverUrl/api/update?version=$version");
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final response = await http.get(url);
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debugPrint("Response from update server: ${response.body}");
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if (response.statusCode != 200) {
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throw Exception("Update server unavailable");
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}
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final data = jsonDecode(response.body);
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if (data["update"] != true) {
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return null;
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}
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return UpdateInfo.fromJson(data);
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}
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}
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