class RegistrationController extends BaseController {     def beforeInterceptor = [action:this.&auth, except:'register']         def index = { redirect(action:list,params:params) }    // the delete, save and update actions only    // accept POST requests    def allowedMethods = [delete:'POST',                          save:'POST',                          update:'POST']    def list = {        if(!params.max)params.max = 10        [ registrationList: Registration.list( params ) ]    }    def show = {        [ registration : Registration.get( params.id ) ]    }    def delete = {        def registration = Registration.get( params.id )        if(registration) {            registration.delete()            flash.message = "Registration ${params.id} deleted."            redirect(action:list)        }        else {            flash.message = "Registration not found with id ${params.id}"            redirect(action:list)        }    }    def edit = {        def registration = Registration.get( params.id )        if(!registration) {                flash.message = "Registration not found with id ${params.id}"                redirect(action:list)        }        else {            return [ registration : registration ]        }    }    def update = {        def registration = Registration.get( params.id )        if(registration) {             registration.properties = params            if(registration.save()) {                flash.message = "${params.name} updated."                redirect(action:show,id:registration.id)            }            else {                render(view:'edit',model:[registration:registration])            }        }        else {            flash.message = "Registration not found with id ${params.id}"            redirect(action:edit,id:params.id)        }    }    def create = {        def registration = new Registration()        registration.properties = params        return ['registration':registration]    }    def save = {        def registration = new Registration()        registration.properties = params        if(registration.save()) {            flash.message = "${params.name} saved."             redirect(action:show,id:registration.id)        }        else {            render(view:'create',model:[registration:registration])        }    }    def register = {         def registration = new Registration()         registration.properties = params         if (request.method == 'GET') {             def race = Race.get(params.id)             return ['registration':registration,'race':race]         }         else {             if(registration.save()) {                 flash.message =                      "Successfully registered for ${registration.race.name}"                 redirect(controller:'race',action:'search')             }             else {                 def race = Race.get(params['race.id'])                 return ['registration':registration,'race':race]             }         }     } }