/// <summary>
/// From the supplied names selects packages that are not in the index and attempts
/// to add them to the index. This typically applies to packages that were just installed.
/// </summary>
private async Task<IEnumerable<IPackageInfo>> TryAddMissingPackagesAsync(IEnumerable<string> packageNames) {
var list = new List<IPackageInfo>();
// Do not attempt to add new package when index is still being built
if (packageNames.Any() && _buildIndexLock.IsSet) {
try {
var installedPackages = await GetInstalledPackagesAsync();
var packagesNotInIndex = installedPackages.Where(p => packageNames.Contains(p.Package));
foreach (var p in packagesNotInIndex) {
var info = new PackageInfo(_host, p.Package, p.Description, p.Version);
_packages[p.Package] = info;
await info.LoadFunctionsIndexAsync();
_functionIndex.RegisterPackageFunctions(info);
list.Add(info);
}
} catch (RHostDisconnectedException) { }
}
return list;
}
private async Task BuildInstalledPackagesIndexAsync() {
var packages = await GetInstalledPackagesAsync();
foreach (var p in packages) {
_packages[p.Package] = new PackageInfo(_host, p.Package, p.Description, p.Version);
}
_packages["rtvs"] = new PackageInfo(_host, "rtvs", "R Tools", "1.0");
}