Currently, if a purchase is denied nothing happens. Couple of things do need to happen
At the very least, call delete pool for that pool that is denied DELETE pool/listingId
Stretch: Add an email notif service since we already have google auth setup, to get the users array from the pool model, and send each one an email letting them know that this has happened, and then obviously still deleting the pool after.
Currently, if a purchase is denied nothing happens. Couple of things do need to happen
DELETE pool/listingId