Opencart for shoes store

Avg Bid (USD)
Project Budget (USD)
$30 - $250

Project Description:
In our opencart site, we are planning to sell shoes aswell. But every shoe has a different size options (ex. 35-36-37-38-...-45) every size has its own stock amount.
Each model of shoes has may be 7-8 different size options. So if we add a new product for each size of the corresponding model, the listing page will be a mess. and its not the correct approach.
There will be a barcode system in the shop aswell. Each product will have a barcode field aswell. We can buy any ready-make barcode plugin no problem.

in the admin section we need to be able to place manual order by entering the barcode, customer, quantity, payment option (we will use this side, for the sellings made from our physical shop,) so we can trace the stock amounts easyly. We dont need to sell any product which is not left in our shop.

So the system will work like this : user will select a shoe model, then the detail page will come up, on that page user will select the "size" from the dropdown, this dropdown will be filled automatically by checking the stock status of those sizes. So in the dropdown menu, only available sizes will be shown. When the user completes the order, STOCK AMOUNT of that SIZE will be reduced. So from the admin panel we should be able to see from which size how many stocks left.

Remember : Every size of each model has different barcodes. (you should know that). So when we need to place a manuel order from the admin panel, once we enter the barcode, system should know which model and which size of that barcode belong to, and reduces it stock amount.

Please its a very simple project. Any site which sells shoes has to do this. So its not a new thing. May be there is a plugin for this in somewhere but i couldnt find it. Please help me out. Its urgent. Thank you

Skills required:
eCommerce, HTML, Shopping Carts, Website Design
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