Software de negocio sin capas innecesarias.

// Rutas, esquemas, base de datos, correo, TMS, archivos, trabajos y sockets
require('total5');

exports.install = function() {
	ROUTE('GET /', 'view');
	ROUTE('+API ? orders-query      --> Orders|query');
	ROUTE('+POST /api/orders/      --> Orders|create');
	ROUTE('SOCKET /live/ @json <2MB', live);
	ROUTE('FILE /invoice/{id}/', invoice);
	ON('service', counter => counter % 5 === 0 && ACTION('Orders|sync').callback(NOOP));
};

NEWACTION('Orders|query', {
	query: 'page:Number, q:String',
	action: function($) {
		DATA.find('orders')
			.search('email', $.query.q)
			.paginate($.query.page || 1, 20)
			.sort('dtcreated_desc')
			.callback($);
	}
});

NEWACTION('Orders|create', {
	input: '*email:Email,*total:Number,items:[Object]',
	output: 'id:String,email:Email,total:Number,dtcreated:Date',
	publish: true,
	action: function($, model) {
		model.dtcreated = new Date();
		DATA.insert('orders', model).callback(function(err, doc) {
			if (err)
				return $.invalid(err);

			MAIL(model.email, 'Pedido recibido', 'mail/order', doc, NOOP);
			$.success(doc);
		});
	}
});

NEWACTION('Orders|sync', {
	action: function($) {
		// Las tareas en segundo plano usan el mismo flujo de acciones
		$.success();
	}
});

function live($) {
	$.autodestroy();
	SUBSCRIBE('Orders|create', order => $.send(order));
	$.on('message', (client, message) => ACTION('Orders|create', message, client).callback(response => client.send(response)));
}

function invoice($) {
	FILESTORAGE('orders').read($.params.id, $.callback);
}

Total.run();

<!-- Librería de UI en cliente con estado acotado y componentes -->
<script src="https://cdn.componentator.com/spa.min@20.js"></script>
<link rel="stylesheet" href="https://cdn.componentator.com/spa.min@20.css" />

<!-- UI multilingüe lista para usar: @(Orders), @(Save order), @(Customer) -->

<ui-plugin path="orders">
	<ui-component name="input" path="?.filter.q" config="placeholder:Buscar pedidos;autofill:1"></ui-component>

	<ui-component name="validate" path="?.form">
		<button class="exec" data-exec="?/save">Guardar pedido</button>
	</ui-component>

	<ui-component name="datagrid" path="?.orders" config="margin:0;click:?/detail">
		<script type="text/plain">
		[
			{ name: 'email', text: 'Cliente', width: 220 },
			{ name: 'total', text: 'Total', align: 2, template: "{{ total | format(2) }}" },
			{ name: 'dtcreated', text: 'Creado', template: "{{ dtcreated | format('dd.MM.yyyy') }}" }
		]
		</script>
	</ui-component>

	<ui-component name="linechart" path="?.sales" config="height:180;type:curves"></ui-component>

	<ui-bind path="?.online" config="text:value + ' online'"></ui-bind>
	<ui-bind path="?.order" config="template">
		<script type="text/html">{{ value.email }} · {{ value.total | format(2) }}</script>
	</ui-bind>
</ui-plugin>

<script>
PLUGIN('orders', function(exports) {
	exports.reload = function() {
		exports.tapi('Orders|query', exports.model.filter, function(response) {
			exports.set('?.orders', response);
		});
	};

	exports.save = function() {
		SETTER('loading/show');
		exports.tapi('Orders|create ERROR @showloading', exports.model.form, function(response) {
			SETTER('loading/hide');
			PUSH('?.orders', response);
			exports.set('?.form', {});
			SETTER('message/success', 'Pedido guardado');
		});
	};

	exports.websocket = function(message) {
		PUSH('?.orders', message);
		EMIT('orders/live', message);
	};
});
</script>