private async Task DownloadPackage(ILocalBaseFolder localBaseFolder,
string sourceName,
CancellationToken cancelationToken, InternalPackageInformation info)
{
var descriptionPath = $@"{info.Package.OutputFolder}\vendor.dependency.description.json";
VendorDependencyDescription description;
if (!_forceRefresh && localBaseFolder.ContainsFolder(info.Package.OutputFolder))
{
var content = await localBaseFolder.FileContentOrEmptyAsync(
descriptionPath,
cancelationToken);
if (!string.IsNullOrWhiteSpace(content))
{
try
{
description = JsonConvert.DeserializeObject <VendorDependencyDescription>(content);
}
catch (Exception)
{
// TODO : log this error
description = new VendorDependencyDescription {
Version = ""
};
}
if (info.Identity.Version.ToFullString() == description.Version)
{
listeners(new AlreadyUpToDate(info.Package));
return;
}
}
}
await Download(sourceName, info, localBaseFolder, cancelationToken);
using (var descriptionStream = localBaseFolder.OpenStreamForWriting(descriptionPath))
{
description = new VendorDependencyDescription
{
Version = info.Identity.Version.ToFullString()
};
var serialized = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(description, Formatting.Indented));
await descriptionStream.WriteAsync(serialized, 0, serialized.Length, cancelationToken);
}
}