Discount on like

-- HikaShop version -- : 2.6.3
-- Joomla version -- : 3.6.2
-- PHP version -- : 7.0.10

The friend i'm designing the shop for would like to offer a discount, when the user customer likes, +1's... the webshop. Is there a way hikashop can send an automatic discount mail (or apply it through checkout) when the customer likes the shop / website?

I'll have to check that out. Will report back, thanks.