/// <summary>
/// Fetches all releases from GitHub, looks up the current release and shows the changelog
/// </summary>
/// <param name="dialogService">The dialog service to use for progress and result dialogs</param>
/// <param name="version">The version to fetch the changelog for</param>
/// <returns></returns>
private static async Task ShowChanges(MetroDialogService dialogService, Version version)
{
var progressDialog = await dialogService.ShowProgressDialog("Changelog", "Fetching release data from GitHub..");
progressDialog.SetIndeterminate();
var jsonClient = new WebClient();
// GitHub trips if we don't add a user agent
jsonClient.Headers.Add("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.0.3705;)");
// Random number to get around cache issues
var rand = new Random(DateTime.Now.Millisecond);
var json = await jsonClient.DownloadStringTaskAsync(
"https://api.github.com/repos/SpoinkyNL/Artemis/releases?random=" + rand.Next());
// Get a list of releases
var releases = JsonConvert.DeserializeObject <JArray>(json);
var release = releases.FirstOrDefault(r => r["tag_name"].Value <string>() == version.ToString());
try
{
await progressDialog.CloseAsync();
}
catch (InvalidOperationException)
{
// Occurs when main window is closed before finished
}
if (release != null)
{
dialogService.ShowMarkdownDialog(release["name"].Value <string>(), release["body"].Value <string>());
}
else
{
dialogService.ShowMessageBox("Couldn't fetch release",
"Sorry, Artemis was unable to fetch the release data off of GitHub.\n" +
"If you'd like, you can always find out the latest changes on the GitHub page accessible from the options menu");
}
}
/// <summary>
/// Shows the changes for the given release and offers to download it
/// </summary>
/// <param name="dialogService">The dialog service to use for progress and result dialogs</param>
/// <param name="release">The release to show and offer the download for</param>
/// <returns></returns>
private static async Task ShowChanges(MetroDialogService dialogService, JObject release)
{
var settings = new MetroDialogSettings
{
AffirmativeButtonText = "Download & install",
NegativeButtonText = "Ask again later"
};
var update = await dialogService.ShowMarkdownDialog(release["name"].Value <string>(), release["body"].Value <string>(), settings);
if (update == null || (bool)!update)
{
return;
}
// Show a process dialog
var dialog = await dialogService.ShowProgressDialog("Applying update", "The new update is being downloaded right now...");
dialog.SetIndeterminate();
// Download the release file, it's the one starting with "artemis-setup"
var releaseFile = release["assets"].Children().FirstOrDefault(c => c["name"].Value <string>().StartsWith("artemis-setup") &&
c["name"].Value <string>().EndsWith(".msi"));
// If there's no matching release it means whoever published the new version f****d up, can't do much about that
if (releaseFile == null)
{
await dialog.CloseAsync();
dialogService.ShowMessageBox("Applying update failed", "Couldn't find the update file. Please install the latest version manually, sorry!");
return;
}
var downloadClient = new WebClient();
downloadClient.Headers.Add("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.0.3705;)");
Task <byte[]> download;
try
{
download = downloadClient.DownloadDataTaskAsync(releaseFile["browser_download_url"].Value <string>());
}
catch (Exception e)
{
dialogService.ShowMessageBox("Applying update failed", "We ran into an issue downloaidng the update: \n\n" + e.Message);
Logger.Warn(e, "Update check failed.");
return;
}
downloadClient.DownloadProgressChanged += (sender, args) =>
{
dialog.SetMessage("The new update is being downloaded right now...\n\n" +
$"Progress: {ConvertBytesToMegabytes(args.BytesReceived)} MB/{ConvertBytesToMegabytes(args.TotalBytesToReceive)} MB");
dialog.SetProgress(args.ProgressPercentage / 100.0);
};
var setupBytes = await download;
dialog.SetMessage("Installing the new update...");
dialog.SetIndeterminate();
// Ensure the update folder exists
var artemisFolder = AppDomain.CurrentDomain.BaseDirectory.Substring(0, AppDomain.CurrentDomain.BaseDirectory.Length - 1);
var updateFolder = GeneralHelpers.DataFolder + "updates";
var updatePath = updateFolder + "\\" + releaseFile["name"].Value <string>();
if (!Directory.Exists(updateFolder))
{
Directory.CreateDirectory(updateFolder);
}
// Store the bytes
File.WriteAllBytes(updatePath, setupBytes);
// Create a bat file that'll take care of the installation (Artemis gets shut down during install) the bat file will
// carry forth our legacy (read that in an heroic tone)
var updateScript = "ECHO OFF\r\n" +
"CLS\r\n" +
$"\"{updatePath}\" /passive\r\n" +
$"cd \"{artemisFolder}\"\r\n" +
"start Artemis.exe --show";
File.WriteAllText(updateFolder + "\\updateScript.bat", updateScript);
var psi = new ProcessStartInfo
{
FileName = updateFolder + "\\updateScript.bat",
Verb = "runas"
};
var process = new System.Diagnostics.Process {
StartInfo = psi
};
process.Start();
process.WaitForExit();
}
