public static GithubRelease CheckForUpdates()
{
_thisVersion = DragonVersion.VERSION;
Console.WriteLine("Checking for new version...");
GithubRelease newestRelease = null;
newestRelease = GetNewestReleaseInfo();
if (newestRelease != null)
{
var githubNewestVersion = Convert.ToDecimal(newestRelease.tag_name);
if (githubNewestVersion > _thisVersion)
{
Console.WriteLine("New version available!\n" + newestRelease.name + " (Current: v" + _thisVersion +
")\n\nRelease notes:\n" + newestRelease.body + "\n\nDownload: " +
newestRelease.html_url);
return(newestRelease);
}
Console.WriteLine("Application is up to date!");
}
else
{
Console.WriteLine("Couldn't download release info.");
}
return(null);
}
public static async Task UpdateApp(GithubRelease release, IProgress <SimpleTaskProgress> taskProgress)
{
Console.WriteLine("Starting update...");
List <GithubRelease.Asset> assets = release.assets.Where(asset => asset.name.Contains("GUI")).ToList();
GithubRelease.Asset downloadAsset = GetAssetMatchingRunningVersion(assets);
string downloadUrl = downloadAsset.browser_download_url;
string zipPath = Directory.GetParent(DragonUtil.CurrentDirectory).FullName + "/" + downloadAsset.name;
string updaterFolder = Directory.GetParent(DragonUtil.CurrentDirectory).FullName + "/CoreUpdater";
if (downloadUrl == null)
{
return;
}
if (File.Exists(zipPath))
{
File.Delete(zipPath);
}
Console.WriteLine("Downloading " + downloadUrl + "...");
var progress = new Progress <SimpleTaskProgress>();
progress.ProgressChanged += (sender, simpleTaskProgress) => taskProgress.Report(simpleTaskProgress);
await DragonUtil.DownloadFile(downloadUrl, zipPath, "MarkdownToRW_Converter", downloadAsset.size / 1024, progress);
// extract updater zip to parent folder
ExtractZipToFolder(DragonUtil.CurrentDirectory + "/CoreUpdater.zip", updaterFolder);
// run updater, point to this folder & downloaded zip
if (DragonUtil.CurrentOperatingSystem.IsMacOS() || DragonUtil.CurrentOperatingSystem.IsLinux())
{
await DragonUtil.TryToMakeExecutable(updaterFolder + "/CoreUpdater");
}
RunCoreUpdater(updaterFolder, zipPath);
// close app
Environment.Exit(0);
}
private static GithubRelease GetNewestReleaseInfo()
{
GithubRelease release = null;
try
{
HttpClient client = new HttpClient();
client.DefaultRequestHeaders.Add("User-Agent", "MarkdownToRW_Converter");
client.DefaultRequestHeaders
.Accept
.Add(new MediaTypeWithQualityHeaderValue("application/json"));
Task <HttpResponseMessage> response = client.GetAsync(RELEASE_URL);
release = JsonConvert.DeserializeObject <GithubRelease>(response.Result.Content.ReadAsStringAsync()
.Result);
}
catch (Exception e)
{
Console.WriteLine("Update check failed:\n" + e);
}
return(release);
}