Add contactable to tracks

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

app/controllers/tracks_controller.rb

@@ -13,12 +13,15 @@ def show; end
 
   def new
     @track = @program.tracks.new(color: @conference.next_color_for_collection(:tracks))
+    @track.build_contact
   end
 
   def edit; end
 
   def create
     @track = @program.tracks.new(track_params)
+    @contact = @track.build_contact(track_params[:contact_attributes])
+    @contact.conference = @conference
     @track.submitter = current_user
     @track.cfp_active = false
     if @track.save
@@ -35,7 +38,8 @@ def update
       redirect_to conference_program_tracks_path(conference_id: @conference.short_title),
                   notice: 'Track request successfully updated.'
     else
-      flash.now[:error] = "Track request update failed: #{@track.errors.full_messages.join('. ')}."
+      flash.now[:error] = "Track request update failed: #{@track.errors.full_messages.join('. ')}" \
+                          "#{@track.contact.errors.full_messages.join('. ')}."
       render :edit
     end
   end
@@ -55,7 +59,8 @@ def withdraw
   private
 
   def track_params
-    params.require(:track).permit(:name, :description, :color, :short_name, :start_date, :end_date, :relevance)
+    params.require(:track).permit(:name, :description, :color, :short_name, :start_date, :end_date, :relevance,
+                                  contact_attributes: [:id, :social_tag, :facebook, :googleplus, :twitter, :instagram, :mastodon, :youtube])
   end
 
   def update_state(transition, notice)

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 }
 

app/views/tracks/_form.html.haml

@@ -17,4 +17,15 @@
         = f.input :end_date, as: :string, input_html: { id: 'registration-period-end-datepicker', readonly: 'readonly' }
         = f.input :description, input_html: {rows: 2, data: { provide: 'markdown-editable' } }, required: true, hint: "This will be public #{markdown_hint}".html_safe
         = f.input :relevance, input_html: {rows: 5, data: { provide: 'markdown-editable' } }, required: true, hint: "Please explain here how this track relates to the conference, how you are related to its content and why we should accept it. #{markdown_hint}".html_safe
+
+        = f.inputs name:'Social Media' do
+          = f.semantic_fields_for :contact, @track.contact do |c|
+            = c.input :social_tag, hint: "The hashtag you'll use on Twitter and Google+. Don't include the '#' sign!'", required: false
+            = c.input :facebook, hint: 'This will appear in the social media section as a link to the Facebook.', required: false
+            = c.input :googleplus, label: 'Google+ Url', hint: 'This will appear in the social media section as a link to the Google+ Page of your Track', required: false
+            = c.input :twitter, hint: 'This will appear in the social media section as a link to the Twitter Page of your Track', required: false
+            = c.input :instagram, hint: 'This will appear in the social media section as a link to the Instagram Page of your Track', required: false
+            = c.input :mastodon, hint: 'This will appear in the social media section as a link to the Mastodon Page of your Track', required: false
+            = c.input :youtube, hint: 'This will appear in the social media section as a link to the YouTube channel for your Track.', required: false
+
         = f.action :submit, as: :button, button_html: { class: 'btn btn-primary' }

db/migrate/20190612161235_add_polymorphic_to_contact.rb

@@ -0,0 +1,6 @@
+class AddPolymorphicToContact < ActiveRecord::Migration[5.1]
+  def change
+    add_column :contacts, :contactable_type, :string
+    add_column :contacts, :contactable_id, :integer
+  end
+end