class Run < ApplicationRecord
  belongs_to :game
  belongs_to :user
  has_many :checkpoints, dependent: :destroy

  validates :title, presence: true

  def checked_in?
    last_checkpoint = checkpoints.where.not(kind: :comment).last
    # If there are no non-comment checkpoints, then the run was never checked in.
    last_checkpoint.nil? ? false : last_checkpoint.checkin?
  end
end