Change ‘shopping’ into ‘cart’.
Show product’s price and qty @store.
Can add product into cart @store.
You can’t view cart now, it’s broken.
Setup cart in session.
Can add products into cart if products are enough.
Cart show product’s price, qty, amount.
Can export Interested_people’s info in csv.

Try to practicing model testing but still don’t know what the hell I’m doing.
Try to doing Ajax alert when user want to add products more than we have, but haven’t done yet.