/// <summary>
/// This method downloads the package represented by the PackageDownloadHandle,
///
/// </summary>
/// <param name="packageDownloadHandle">package download handle</param>
internal virtual Task <(PackageDownloadHandle handle, string downloadPath)> Download(PackageDownloadHandle packageDownloadHandle)
{
// We only want to display the last 3 downloaded packages to the user
// in the form of toast notifications.
// We remove all but the last 2 packages and add the most recently-downloaded package
if (Downloads.Count > 2)
{
Downloads.RemoveRange(index: 0, count: Downloads.Count - 2);
}
Downloads.Add(packageDownloadHandle);
packageDownloadHandle.DownloadState = PackageDownloadHandle.State.Downloading;
return(Task.Factory.StartNew(() =>
{
// Attempt to download package
string pathDl;
var res = Model.DownloadPackage(packageDownloadHandle.Id, packageDownloadHandle.VersionName, out pathDl);
// if you fail, update download handle and return
if (!res.Success)
{
packageDownloadHandle.Error(res.Error);
pathDl = string.Empty;
}
return (handle: packageDownloadHandle, downloadPath: pathDl);
}));
}