import DS from 'ember-data'; import { validator, buildValidations } from 'ember-cp-validations'; const Validations = buildValidations({ 'dealer' : { validators: [ validator('presence', { presence: true, dependentKeys: ['model.dealer.id'] }) ], }, }); export default DS.Model.extend(Validations, { newsManagement: DS.attr('number'), dealer: DS.belongsTo('dealer', {inverse: null}), });