82 lines
2.1 KiB
C#
82 lines
2.1 KiB
C#
using Newtonsoft.Json;
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using Newtonsoft.Json.Converters;
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using Pilz.Extensions;
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using System.Reflection;
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namespace ModpackUpdater.Apps.Client.Gui;
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public class AppUpdater(string updateUrl)
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{
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private class UpdateInfo
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{
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[JsonConverter(typeof(VersionConverter))]
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public Version? Version { get; set; }
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public string? DownloadUrl { get; set; }
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}
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private readonly HttpClient httpClient = new();
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private UpdateInfo? info;
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public async Task<bool> Check()
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{
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var hasUpdate = false;
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try
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{
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var appVersion = Assembly.GetExecutingAssembly().GetAppVersion().Version;
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var result = await httpClient.GetStringAsync(updateUrl);
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info = JsonConvert.DeserializeObject<UpdateInfo>(result);
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if (info is not null && info.Version > appVersion)
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hasUpdate = true;
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}
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catch
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{
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}
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return hasUpdate;
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}
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public async Task Install()
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{
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var client = new HttpClient();
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var tempFileName = Path.GetTempFileName();
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var appFileName = Environment.ProcessPath;
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var oldFileName = appFileName + ".old";
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// Delete old file
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try
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{
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File.Delete(oldFileName);
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}
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catch
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{
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}
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// Download the new file
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using (var tempFileStream = new FileStream(tempFileName, FileMode.Create, FileAccess.ReadWrite))
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{
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Stream? downloadStream = null;
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try
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{
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var url = info?.DownloadUrl;
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downloadStream = await client.GetStreamAsync(url);
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await downloadStream.CopyToAsync(tempFileStream);
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}
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catch
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{
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}
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finally
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{
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downloadStream?.Dispose();
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}
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}
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// Replace current application file with new file
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if (!string.IsNullOrWhiteSpace(appFileName))
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{
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File.Move(appFileName, oldFileName, true);
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File.Move(tempFileName, appFileName);
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}
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}
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} |