Show range table page-by-page on AdminCarrierWizard

[Mickeel]

Hi,

 

I'm building an ecommerce for Indonesia, and shipping is quite troublesome as the structure is a bit different from how it works internationally. Therefore I used a module for Indonesia shipping that add thousand of zones to our database. Everything goes well, until I tried to do Free shipping with, requirement:

 

Main requirement:

1. Minimum purchase 500k

2. this free shipping can be set unavailable for some selected products(through detail page)

3. only available to certain country (as it usually do in prestashop)

we cant do country exception, but zone in carrier setting, so i want to try disable it o certain zone. But when I tried this. my browser crash, as it forcefully load 2 tables of zones, that contain 5.8k+ zones each table. [screenshot attached]

 

Is there a way to modify the way it show the zones, for example page by page in AdminCarrierWizard.

 

Note

If a module is truly needed to do this, Additionally requirement:

for purchase above 500k, but the product or zones is excluded. The purchase will get shipping price discount 20% for any shipping carrier available.