toggle_like_action_script.rb

class ToggleLikeActionScript
  Result = Struct.new(:success?, :errors, :value)

  def initialize(user, post)
    @user = user
    @post = post
  end

  def perform
    like = @post.likes.find_or_initialize_by(user: @user)

    if like.persisted?
      like.destroy!
      Result.new(true, [], false)
    else
      like.save!
      Result.new(true, [], true)
    end
  rescue StandardError => e
    Result.new(false, [e], nil)
  end
end