Feature Request: Ability to restrict the purchase of items to only suppliers approved for each item

Desired Feature: Would like the ability to restrict the purchase of items to only suppliers approved for each item.
Pic displaying list of supplier approved for each item

You can see here in the pic below that one can pic any vendor from which to purchase a hard drive. in this case Jans Pet Supply.

We can tackle this problem in qty 2 ways
1 Filter items based on supplier

2 Create a custom script to validate suppliers based on the list of suppliers listed for item.