Nette: Dynamické načítání modelů - Dibi + Nette\DI

BaseModel.php

<?php

namespace Models;

/**
 * Base model
 * @link http://wiki.nette.org/cs/cookbook/dynamicke-nacitani-modelu
 * @author Majkl578
 */
abstract class Base extends \Nette\Object
{
	/** @var \Nette\DI\Container */
	private $context;

	public function __construct(\Nette\DI\Container $container)
	{
		$this->context = $container;
	}

	/**
	 * @return \Nette\DI\Container
	 */
	final public function getContext()
	{
		return $this->context;
	}

	/**
	 * @return \DibiConnection
	 */
	final public function getDatabase()
	{
		return $this->context->database;
	}
}

BasePresenter.php

<?php

/**
 * Base presenter
 * @link http://wiki.nette.org/cs/cookbook/dynamicke-nacitani-modelu
 * @author Majkl578
 */
abstract class BasePresenter extends \Nette\Application\UI\Presenter
{
	public function actionFoo()
	{
		$this->models->foo; //instanceof Models\Foo
	}

	/**
	 * @return \ModelLoader
	 */
	final public function getModels()
	{
		return $this->context->modelLoader;
	}
}

config.neon

common:
	php:
		date.timezone: Europe/Prague

	#parametry pro připojení k databázi
	database:
		hostname: local
		username: root
		password:
		database: foo
		charset: utf8

	#parametry pro modely
	models:
		foo: bar

	services:
		robotLoader:
			run: true
		database:
			class: DibiConnection
			arguments: [%database%]
		modelLoader:
			class: ModelLoader
			arguments: [@container]

production < common:

development < common:

FooModel.php

<?php

namespace Models;

class Foo extends Base
{
	public function bar()
	{
		//return $this->getDatabase()->...;
	}
}

ModelLoader.php

<?php

use Nette\DI\Container;

/**
 * Model loader
 * @link http://wiki.nette.org/cs/cookbook/dynamicke-nacitani-modelu
 * @author Majkl578
 */
final class ModelLoader
{
	/** @var Nette\DI\Container */
	private $modelContainer;

	/** @var array */
	private $models = array();

	public function __construct(Container $container)
	{
		$modelContainer = new Container;
		$modelContainer->addService('database', $container->database);
		$modelContainer->addService('cacheStorage', $container->cacheStorage);
		$modelContainer->addService('session', $container->session);
		$modelContainer->params = $container->params['models'];
		$modelContainer->freeze();
		$this->modelContainer = $modelContainer;
	}

	public function getModel($name)
	{
		$lname = strtolower($name);

		if (!isset($this->models[$lname])) {
			$class = 'Models\\' . ucfirst($name);

			if (!class_exists($class)) {
				throw new \InvalidArgumentException("Model '$class' not found");
			}

			$this->models[$lname] = new $class($this->modelContainer);
		}

		return $this->models[$lname];
	}

	public function __get($name)
	{
		return $this->getModel($name);
	}
}