OpenCart Extension

The documentation will follow, but I'm looking to have an OpenCart extension made. The functions I need are - The ability to indicate with products in the admin section that buying them will make freebies available. Like a checkbox with a boolean data value. - The ability to add multiple addresses to an order. Aside from the standard billing and delivery address, there needs to be alternate delivery addresses that can be supplied for each of these freebies. - After supplying the addresses in the ordering section there needs to be a display where you can assign listed individual products to be delivered to one of these alternate addresses optionally, using selectboxes that group the addresses by the addressee's name. - A "Postage label" print function which is next to the "Invoice" print function in the order overview, in the admin section. It is a copy of the Invoice print function, except it doesn't display and prices and billing information. Rather, it's a list of products, and it needs to create as many labels as necessary. For example, if I supplied the normal delivery address and 2 alternate ones, it would print 3 labels, each with a list showing the items that were assigned to that particular address only. - The product section should also have the ability to point out whether a product is the freebie. It will only be one product that's given away. ## Deliverables Technical design will follow as project starts.