Hi,
Yes the function exists in the admin part, it also exists in the class. But to call it, you have to do in the "HikaMarket way".
You have to check the rights of the user, see if he can access to the product, see if he has the right to create a product, etc
So the main development will be to make the integration of the feature. I think that I will add a ACL for this right (to copy a product)
Regards,
Jerome - Obsidev.com
HikaMarket & HikaSerial developer / HikaShop core dev team.
Also helping the HikaShop support team when having some time or couldn't sleep.
By the way, do not send me private message, use the "contact us" form instead.