Suggest module for maintaining inventory and image zoom

I have created a website using drupal commerce now I need a module for two functionality

1.) To manage inventory for the website so that the user can only by the item that are available in my inventory.

2.) I want to add a image hover effect plus the overlay effect on the product page so that the users will able to zoom in to the product.

please suggest the suitable modules or do i need to write my own module for this,