public static ITableCategory RandomSample(this ITableCategoryCollection 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.Tables.Any(i => i.TemplatedParent == null && i.Childs.Any()) == false)
{
return false;
}
return true;
}));
}
public static Task <ITableCategory> GetRandomTableCategoryAsync(this ITableCategoryCollection tableCategoryCollection, Func <ITableCategory, bool> predicate)
{
return(tableCategoryCollection.Dispatcher.InvokeAsync(() => tableCategoryCollection.Random(predicate)));
}