public static ITypeCategory RandomSample(this ITypeCategoryCollection categories)
{
return(categories.Random(item =>
{
if (item.Parent == null)
{
return false;
}
if (item.IsPrivate == true)
{
return false;
}
if (item.IsLocked == true)
{
return false;
}
if (item.Types.Any() == false)
{
return false;
}
return true;
}));
}
public static Task <ITypeCategory> GetRandomTypeCategoryAsync(this ITypeCategoryCollection typeCategoryCollection, Func <ITypeCategory, bool> predicate)
{
return(typeCategoryCollection.Dispatcher.InvokeAsync(() => typeCategoryCollection.Random(predicate)));
}
