smelly.rb

    # needs to return either a blank array or an array of place_preferences
    def current_place_preferences
      if PlacePreference.where(venue_uuid: current_place.id).blank?
        []
      else
        # restrict list if there is a role involved
        if current_user.roles.present?
          place_preferences = []
          current_user.roles.each do |role|
            if role.place_preference.present? && role.place_preference.venue_uuid == current_place.id
              place_preferences << role.place_preference
            end
          end
          return place_preferences if place_preferences.present?
        end
        # fallback if the user has no roles
        PlacePreference.where(venue_uuid: current_place.id)
      end
    end