/// <summary>
/// Scans the directory specified in <see cref="Platform.Directories.Packages"/> for <see cref="IPackage"/> s.
/// </summary>
/// <returns>
/// A Result containing the result of the operation and a <see cref="List{T}"/> of found <see cref="IPackage"/> s.
/// </returns>
public IResult <IList <IPackage> > ScanPackages()
{
Guid guid = logger.EnterMethod(true);
logger.Info("Scanning for Packages...");
IResult <IList <IPackage> > retVal = new Result <IList <IPackage> >();
retVal.ReturnValue = new List <IPackage>();
string searchDirectory = PlatformManager.Directories.Packages;
logger.Debug($"Scanning directory '{searchDirectory}'...");
IResult <IList <string> > dirListResult = Platform.ListDirectories(searchDirectory);
retVal.Incorporate(dirListResult);
if (retVal.ResultCode != ResultCode.Failure)
{
foreach (string directory in dirListResult.ReturnValue)
{
if (directory == PlatformManager.Directories.PackageArchives)
{
continue;
}
IResult <IPackage> readResult = PackageFactory.GetPackage(directory);
if (readResult.ResultCode != ResultCode.Failure)
{
retVal.ReturnValue.Add(readResult.ReturnValue);
}
else
{
retVal.AddWarning(readResult.GetLastError());
}
}
}
retVal.LogResult(logger);
logger.ExitMethod(guid);
return(retVal);
}
/// <summary>
/// Initializes a new instance of the <see cref="PackageManager"/> class.
/// </summary>
/// <remarks>
/// This constructor is marked private and is intended to be called from the
/// <see cref="Instantiate(IApplicationManager, IPlatformManager)"/> method exclusively in order to implement the
/// Singleton design pattern.
/// </remarks>
/// <param name="manager">The <see cref="IApplicationManager"/> instance for the application.</param>
/// <param name="platformManager">The <see cref="IPlatformManager"/> instance for the application.</param>
private PackageManager(IApplicationManager manager, IPlatformManager platformManager)
{
base.logger = logger;
Guid guid = logger.EnterMethod();
ManagerName = "Package Manager";
RegisterDependency <IApplicationManager>(manager);
RegisterDependency <IPlatformManager>(platformManager);
PackageList = new List <IPackage>();
PackageArchiveList = new List <IPackageArchive>();
PackageFactory = new PackageFactory(PlatformManager);
PackageScanner = new PackageScanner(PlatformManager, PackageFactory);
ChangeState(State.Initialized);
logger.ExitMethod(guid);
}