app/models/challenge_call.rb
class ChallengeCall < ApplicationRecord
include FriendlyId
include Markdownable
friendly_id :title, use: [:slugged, :finders, :history]
has_many :challenge_call_responses
belongs_to :organizer
def should_generate_new_friendly_id?
title_changed?
end
def call_closed?
self.closing_date.present? && self.closing_date < Time.now.utc
end
end