how to create a e-commerce website for template sales

[eluser]Unknown[/eluser]
Hi,

I'm new to codeigniter. Now, I want to create a e-commerce website for sell some web templates in online. Here I want idea about how to upload web templates (in zip format) in codeigniter and also store related data (it some information about templates) in my db also. If anybody have idea please send it to me...

Advance Thanks to you...