Impact choice as parameter

[da-ekchajzer]

Problem

Impacts can't be chosen in a request - all impacts are returned.

Solution

Add a query parameter in each route containing a list of impacts name.

['gwp', 'pe', 'adp']

In bottom-up service return only the impact in the dataset.

Additional context or elements

The following impacts can be retrieved :

Impact name	code
Abiotic depletion	adp
global warming potential	gwp
primary energy use	pe

[da-ekchajzer]

Implemented in #159