public static PackageState Load(Config config)
{
RemotePackageConfig remote = RemotePackageConfig.DownloadPackageConfig(config);
InstalledPackageState local = InstalledPackageState.Load();
// Match local packages to remote ones
List <LocalPackage> result =
(from remotePackage in remote.Packages
join localPackage in local.Packages on remotePackage.Id equals localPackage.Id
select new LocalPackage(remotePackage, localPackage)).ToList();
HashSet <string> matchedIds = new HashSet <string>(result.Select((p) => p.Local.Id));
// Find remote packages that don't exist locally
result.AddRange(remote.Packages
.Where((p) => !matchedIds.Contains(p.Id))
.Select((p) => new LocalPackage(p, null)));
// (Don't care about local packages that don't exist remotely)
return(new PackageState
{
LocalPackages = result,
});
}
private void UpdateInstalledPackageState(List <RemotePackage> justInstalled)
{
var state = InstalledPackageState.Load();
foreach (RemotePackage installed in justInstalled)
{
state.MarkInstalled(installed.ToInstalledPackage());
}
state.Save();
}