/// <summary>
/// Returns all selected updates where <paramref name="filter"/> applies.
/// If <paramref name="filter" /> is null, the result will not be filtered.
/// The result is always a subset of <see cref="ApplicableUpdates"/>.
/// </summary>
public IEnumerable <IUpdate> GetSelectedUpdates(Func <IUpdate, bool> filter)
{
lock (_updateLock)
{
if (_applicableUpdates == null)
{
return(new List <IUpdate>());
}
var selected = _applicableUpdates.OfType <IUpdate>().Where(u => _selectedUpdates.Contains(u.Identity.UpdateID));
if (filter == null)
{
return(selected);
}
return(selected.Where(u => filter(u)));
}
}
/// <summary>
/// Sets the windows update search result with updates that are applicable to this maschine.
/// </summary>
/// <param name="applicableUpdates">The windows update search result.</param>
/// <exception cref="ArgumentNullException" />
public void SetApplicableUpdates(IUpdateCollection applicableUpdates)
{
if (applicableUpdates == null)
{
throw new ArgumentNullException(nameof(applicableUpdates));
}
lock (_updateLock)
{
_applicableUpdates = applicableUpdates;
_selectedUpdates.Clear();
if (AutoSelectUpdates)
{
foreach (var update in _applicableUpdates.OfType <IUpdate>().Where(u => IsImportant(u)))
{
_selectedUpdates.Add(update.Identity.UpdateID);
}
}
}
}