class SomethingsController < ApplicationController
  dependency create_something_runner: 'runners.create_something_run'

  def create
    create_something_run.(self)
  end

  def render_errors(erros)
    # ...
  end

  def response_with_created_something(something)
    # ...
  end
end

module Runners
  include Import::Injector['operations.create_somethings']

  class CreateSomething
    def call(ctx)
      create_something.(ctx.params) do |m|
        m.success { |something| ctx.response_with_created_something(something) }
        m.failure { |errors|    ctx.render_errors(errors) }
      end
    end
  end
end