Controller concern for dealing with some range errors from misbehaving visitors.

rangy.rb

module Rangy
  extend ActiveSupport::Concern

  included do
    rescue_from ActiveRecord::StatementInvalid, RangeError, ArgumentError do |exception|
      if exception.message =~ /is out of range for type integer|invalid offset|invalid value for Integer/
        render text: 'Not found', status: :not_found
      end
    end
  end
end