using System; using System.IO; using System.IO.Compression; using System.Net.Http; using System.Threading.Tasks; using Saradomin.Utilities; namespace Saradomin.Infrastructure.Services { public class SingleplayerUpdateService : ISingleplayerUpdateService { public event EventHandler> SingleplayerDownloadProgressChanged; public async Task DownloadSingleplayer() { SingleplayerDownloadProgressChanged?.Invoke(this, new Tuple(0f, false)); string downloadUrl = "https://gitlab.com/2009scape/singleplayer/windows/-/archive/master/windows-master.zip"; string downloadPath = Path.Combine( CrossPlatform.Get2009scapeHome(), "singleplayer" + Path.GetExtension(downloadUrl) ); using (HttpClient httpClient = new HttpClient()) { var response = await httpClient.GetAsync(downloadUrl, HttpCompletionOption.ResponseHeadersRead); var contentLength = response.Content.Headers.ContentLength ?? 40 * 1024 * 1024L; var totalRead = 0L; var buffer = new byte[8192]; // Create a FileStream to write the downloaded bytes to await using (var fileStream = new FileStream(downloadPath, FileMode.Create, FileAccess.Write, FileShare.None)) { await using (var stream = await response.Content.ReadAsStreamAsync()) { int bytesRead; do { bytesRead = await stream.ReadAsync(buffer, 0, buffer.Length); totalRead += bytesRead; // Write the bytes to the FileStream await fileStream.WriteAsync(buffer, 0, bytesRead); var progress = (float)totalRead / contentLength; SingleplayerDownloadProgressChanged?.Invoke(this, new Tuple(progress, false)); } while (bytesRead > 0); } } } SingleplayerDownloadProgressChanged?.Invoke(this, new Tuple(1f, false)); if (Directory.Exists(CrossPlatform.GetSingleplayerHome())) Directory.Delete(CrossPlatform.GetSingleplayerHome(), true); // Don't use /tmp because Directory.Move doesn't work cross-partition string tempDir = Path.Combine(CrossPlatform.Get2009scapeHome(), "singleplayer_temp"); if (Directory.Exists(tempDir)) Directory.Delete(tempDir, true); await Task.Run(() => ZipFile.ExtractToDirectory(downloadPath, tempDir)); Directory.Move(Directory.GetDirectories(tempDir)[0], CrossPlatform.GetSingleplayerHome()); Directory.Delete(tempDir, true); File.Delete(downloadPath); SingleplayerDownloadProgressChanged?.Invoke(this, new Tuple(1f, true)); } } }