spree/spree-product-assembly — pull request #93 by mickeyren (2014-09-02 15:53:53+00:00)
Title: add in_stock? method to check if a part actually has enough stock. this ...

...compares count with the total_on_hand

adding this method as I don't see any means to check for actual in_stock item for the parts that compares the required count with the variant's total_on_hand