Improve Registration Flow Some:

* Trying to register when a ticket is required will now redirect you to buy tickets.
* #64 will then redirect you back to complete the registration

app/controllers/conference_registrations_controller.rb

@@ -64,6 +64,9 @@ class ConferenceRegistrationsController < ApplicationController
         redirect_to conference_conference_registration_path(@conference.short_title),
                     notice: 'You are now registered and will be receiving E-Mail notifications.'
       end
+    elsif @conference.registration_ticket_required? && !current_user.supports?(@conference)
+      redirect_to conference_tickets_path(@conference.short_title),
+                error: 'You must buy a registration ticket before registering.'
     else
       flash.now[:error] = "Could not create your registration for #{@conference.title}: "\
                         "#{@registration.errors.full_messages.join('. ')}."

app/models/registration.rb

@@ -84,7 +84,8 @@ class Registration < ApplicationRecord
   end
 
   def user_has_registration_ticket
-    return if TicketPurchase.where(user: user, ticket: conference.registration_tickets).paid.any?
+    return if conference.registration_ticket_required? &&
+      TicketPurchase.where(user: user, ticket: conference.registration_tickets).paid.any?
 
     errors.add(:base, 'You must purchase a registration ticket before registering')
     if TicketPurchase.where(user: user, ticket: conference.registration_tickets).unpaid.any?

spec/features/ticket_purchases_spec.rb

@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-feature Registration do
+feature Registration, feature: true, js: true do
   let!(:ticket) { create(:ticket) }
   let!(:free_ticket) { create(:ticket, price_cents: 0) }
   let!(:first_registration_ticket) { create(:registration_ticket, price_cents: 0) }
@@ -146,7 +146,7 @@ feature Registration do
 
     context 'who is registered' do
 
-      scenario 'unregisters from conference, but ticket purchases dont delete', feature: true, js: true do
+      scenario 'unregisters from conference, but ticket purchases dont delete' do
         visit root_path
         click_link 'Register'