protected virtual bool TryDownloadAsset(Asset asset, out string errorMessage)
{
errorMessage = null;
string downloadPath = ProductUpgraderInfo.GetAssetDownloadsPath();
Exception exception;
if (!GitHubUpgrader.TryCreateDirectory(downloadPath, out exception))
{
errorMessage = exception.Message;
this.TraceException(exception, nameof(this.TryDownloadAsset), $"Error creating download directory {downloadPath}.");
return(false);
}
string localPath = Path.Combine(downloadPath, asset.Name);
WebClient webClient = new WebClient();
try
{
webClient.DownloadFile(asset.DownloadURL, localPath);
asset.LocalPath = localPath;
}
catch (WebException webException)
{
errorMessage = "Download error: " + exception.Message;
this.TraceException(webException, nameof(this.TryDownloadAsset), $"Error downloading asset {asset.Name}.");
return(false);
}
return(true);
}
/// <summary>
/// Deletes any previously downloaded installers in the Upgrader Download directory.
/// This can include old installers which were downloaded, but user never installed
/// using gvfs upgrade and GVFS is now up to date already.
/// </summary>
public static void DeleteAllInstallerDownloads(ITracer tracer = null)
{
try
{
RecursiveDelete(ProductUpgraderInfo.GetAssetDownloadsPath());
}
catch (Exception ex)
{
if (tracer != null)
{
tracer.RelatedError($"{nameof(DeleteAllInstallerDownloads)}: Could not remove directory: {ProductUpgraderInfo.GetAssetDownloadsPath()}.{ex.ToString()}");
}
}
}
public void DeleteAllInstallerDownloads()
{
try
{
this.fileSystem.DeleteDirectory(GetAssetDownloadsPath());
}
catch (Exception ex)
{
if (this.tracer != null)
{
this.tracer.RelatedError($"{nameof(this.DeleteAllInstallerDownloads)}: Could not remove directory: {ProductUpgraderInfo.GetAssetDownloadsPath()}.{ex.ToString()}");
}
}
}