Simple use_cases folder example

simple_use_cases_folder.rb

|- app
| |- use_cases
| | |- users
| | | |- index
| | | | |-- base.rb
| | | | |-- parse_params.rb
| | | |- create
| | | | |-- base.rb
| | | | |-- parse_params.rb
| | | | |-- persist.rb
| | | | |-- send_confirmation_email.rb
| | | |- update
| | | | |-- base.rb
| | | | |-- parse_params.rb
| | | | |-- persist.rb
| | | |- assign_badge
| | | | |-- base.rb
| | | | |-- parse_params.rb
| | | | |-- find_badge.rb
| | | | |-- assign.rb

UseCases::Users::AssignBadge::Base
  .perform(id: params[:user_id], badge_id: params[:badge_id])