a demonstration of updating a sorted item

steppinit.rb

class Step
  attr_accessor :id, :position
  
  // all_steps = [Step.new(id: 1), Step.new(id: 2), Step.new(id: 3)]
  
  def move_to(position)
    new_steps = all_steps
    new_step.delete_at(new_steps.index(self))
    new_steps.insert(position, self)
    new_steps.each_with_index do |step, index|
      step.position = index
      step.save!
    end
  end
end