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

class Admin::VenueController < ApplicationController
  before_filter :verify_organizer

  def index
  end

  def update
    @venue = @conference.venue
    @venue.assign_attributes(params[:venue])
    unless @venue.name.blank? || @venue.address.blank? || @conference.registrations.blank?
      if @venue.name_changed? || @venue.address_changed? && @conference.email_settings.send_on_venue_update
        venue_notify = Mailbot.send_email_on_venue_update(@conference)
      end
    end

    if @venue.update_attributes(params[:venue])
      venue_notify.deliver unless venue_notify.blank?
      redirect_to(admin_conference_venue_info_path(conference_id: @conference.short_title),
                  notice: 'Venue was successfully updated.')
    else
      redirect_to(admin_conference_venue_info_path(conference_id: @conference.short_title),
                  notice: 'Venue Updation Failed!')
    end
  end

  def show
    @venue = @conference.venue
    render :venue_info
  end
end