Model nesting

viagem.js

define([
  'underscore',
	'backbone',
], function(_, Backbone){

	var ViagemModel = Backbone.Model.extend({
		idAttribute: 'id',
		initialize: function() {
			that.getDetalhes();
		},
		parse: function(response, options) {
			if(options.detail) {
				return {detalhes:_.first(response)}
			}
			return response;
		},
		getDetalhes: function() {
			//console.log('ola');
			
			var that = this;
			var route = 'getMinhasViagensDetail';
			var item = this.toJSON();
			
			var params = {
				pFileNr: item.fileNr,
				pId: item.id,
				pType: item.type
			};

			this.fetch({
				url: generateUrl(params, route),
				detail: true,
				success: function() {
					//item = model.toJSON();
					//that.set({detalhes: item});
					that.trigger('complete');
					return true;
				},
				error: function() {
					return false;
				}
			});

		}
		
	});

	return ViagemModel;

});

viagens.js

define([
  'underscore',
	'backbone',
	'models/viagem',
], function(_, Backbone, ViagemModel){

	var ViagensCollection = Backbone.Collection.extend({
		model: ViagemModel,
		url: function() {
			return this.model.url;
		},
		parse: function(response, options) {
			return response;
		},
		getViagens: function(login) {
			var that = this;
			var route = 'getMinhasViagens';
			
			this.fetch({
				url: generateUrl(login, route),
				reset: true,
				success: function(response) {
					return response;
				},
				error: function() {
					return false;
				}
			});
		}
	});

	return ViagensCollection;

});