app/controllers/errors_controller.rb
class ErrorsController < ApplicationController
def show
status_code = params[:code] || 500
@code = status_code
@error_body = "Please double-check the address you typed in."
case status_code
when "404"
@error_message = "The page you searched for doesn't exist!"
when "403"
@error_message = "You don't have permission for that."
when "422"
@error_message = "You don't have permission for that."
else
@error_body = ''
@error_message = "Something went wrong with the Cal Dining server."
end
end
end