How to implement a module?

Question

Prestashop

What is the easiest way to implement a module that can:

- Save two values ​​in the module settings: Price FROM and Price TO

- When entering the site, display a message about how many goods in the store are in the specified price range.

Answer 1

There is a standard blocklayered filter that generates a link depending on the specified conditions.
You can use this link to display any list of products.