osem-fcy/app/controllers/admin/sponsorships_controller.rb

class Admin::SponsorshipsController < ApplicationController
  before_filter :verify_organizer

  def index
  end

  def create
    params[:sponsorship_registration][:conference_id] = @conference.id
    sponsorship = SponsorshipRegistration.new(params[:sponsorship_registration])
    if sponsorship.save
      redirect_to(admin_conference_sponsorships_path(
                  conference_id: @conference.short_title), notice: 'Sponsorship added')
    else
      redirect_to(admin_conference_sponsorships_path(conference_id: @conference.short_title),
                  alert: 'Sponsorship creation failed.' \
                          "#{sponsorship.errors.full_messages.join('. ')}")
    end
  end
end