OpenCart struktūra keičiasi atsižvelgiant į techninių užduočių sąrašą.
OpenCart framework changes according to the technical task list.

- Create the individual page in OpenCart website
- Adopt function: add to shopping cart
- Adopt function: using the discount voucher

Product page

Individual and independed page, which displays the product list. When user inputs coupon number, all product prices are being changed to the discount prices. Changing the quantity of any product, the total amount is being counted and display on the bottom of the page. If user clicks Add to Cart button, all the checked products are being sent to the OpenCart system, and user is redirected to confirm your order page. All the products and prices are just an example.