I have a custom stock status attribute with 4 options.
array( 4 => 'In Stock', 3 => 'Soon', 2 => 'Out Of Stock', 1 => 'Discontinued', );
I want change the way of price filter in layered navigation applied.
I want only products that has value "4" (In Stock) for stock status attribute displayed after applying price filter.
How can I do this?