How can I get url of image variant in model (outside of controller/view)? Active Storage

Question

I can get url in model with this code (Active Storage)

Rails.application.routes.url_helpers.rails_blob_path(picture_of_car, only_path: true)

But

Answer 1

Following the documentation at https://api.rubyonrails.org/classes/ActiveStorage/Variant.html it should be: picture_of_car.variant(resize: [300, 300]).processed.service_url