/// <summary>
/// Begins to download an update if one is available
/// </summary>
public void DownloadUpdate()
{
if (latestRelease is null)
{
DownloadingFailed?.Invoke(this, new ExceptionEventArgs <Exception>(new FileNotFoundException("There isn't any update available"), "There isn't any update available"));
return;
}
if (File.Exists(downloadPath))
{
File.Delete(downloadPath);
}
try
{
DownloadingStarted?.Invoke(this, new DownloadStartedEventArgs(latestVersion));
State = UpdaterState.Downloading;
string fileUrl = latestRelease.Assets[0].BrowserDownloadUrl;
string filePath = $@"{downloadPath}\{Path.GetFileName(fileUrl)}";
downloadFilePath = filePath;
updateStartTime = DateTime.Now;
webClient.DownloadFileAsync(new Uri(fileUrl), filePath);
}
catch (Exception e)
{
DownloadingFailed?.Invoke(this, new ExceptionEventArgs <Exception>(e, e.Message));
return;
}
}
/// <summary>
/// Downloads the new EXE from github.
/// </summary>
/// <returns>Awaitable Task</returns>
/// <exception cref="NullReferenceException">Thrown when the Repository is null</exception>
/// <exception cref="FileLoadException">Thrown when the asset file is a .zip</exception>
public async Task DownloadUpdateAsync()
{
DownloadingStarted?.Invoke(this, EventArgs.Empty);
State = UpdaterState.Downloading;
if (client == null)
{
client = new WebClient();
}
if (repository == null)
{
throw new NullReferenceException("Could not retrieve Repository");
}
if (repository.Assets[0].Name.EndsWith(".zip"))
{
throw new FileLoadException("The downloaded file is a zip file, which is not supported");
}
string destination = Path.GetTempPath() + repository.Assets[0].Name;
downloadedAssetPath = destination;
client.DownloadProgressChanged += DownloadProgressChanged;
await client.DownloadFileTaskAsync(repository.Assets[0].BrowserDownloadUrl, destination);
State = UpdaterState.Idle;
DownloadingCompleted?.Invoke(this, EventArgs.Empty);
}
