Add contactable to tracks

Added social media fields to track submission form
by using a polymorphic association with the
Contact Model.

app/models/contact.rb

@@ -4,6 +4,7 @@ class Contact < ApplicationRecord
   has_paper_trail on: [:update], ignore: [:updated_at], meta: { conference_id: :conference_id }
 
   belongs_to :conference
+  belongs_to :contactable, polymorphic: true
 
   validates :conference, presence: true
   # Conferences only have one contact

app/models/track.rb

@@ -12,6 +12,8 @@ class Track < ApplicationRecord
   belongs_to :selected_schedule, class_name: 'Schedule'
   has_many :events, dependent: :nullify
   has_many :schedules
+  has_one :contact, as: :contactable
+  accepts_nested_attributes_for :contact
 
   has_paper_trail ignore: [:updated_at], meta: { conference_id: :conference_id }