<?php

namespace Assetic\Factory\Loader;

use Assetic\Cache\ConfigCache;
use Assetic\Factory\Resource\IteratorResourceInterface;
use Assetic\Factory\Resource\ResourceInterface;

/**
 * Adds a caching layer to a loader.
 *
 * A cached formula loader is a composition of a formula loader and a cache.
 *
 * @author Kris Wallsmith <kris.wallsmith@gmail.com>
 */
class CachedFormulaLoader implements FormulaLoaderInterface
{
	private $loader;
	private $configCache;
	private $debug;


	/**
	 * Constructor.
	 *
	 * When the loader is in debug mode it will ensure the cached formulae
	 * are fresh before returning them.
	 *
	 * @param FormulaLoaderInterface $loader      A formula loader
	 * @param ConfigCache            $configCache A config cache
	 * @param Boolean                $debug       The debug mode
	 */
	public function __construct(FormulaLoaderInterface $loader, ConfigCache $configCache, $debug = false)
	{
		$this->loader = $loader;
		$this->configCache = $configCache;
		$this->debug = $debug;
	}


	public function load(ResourceInterface $resources)
	{
		if (!$resources instanceof IteratorResourceInterface) {
		    $resources = array($resources);
		}

		$formulae = array();

		foreach ($resources as $resource) {
		    $id = (string) $resource;
		    if (!$this->configCache->has($id) || ($this->debug && !$resource->isFresh($this->configCache->getTimestamp($id)))) {
		        $formulae += $this->loader->load($resource);
		        $this->configCache->set($id, $formulae);
		    } else {
		        $formulae += $this->configCache->get($id);
		    }
		}

		return $formulae;
	}
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----OTYwNTYyNDU1NTE1MzkxMyA0NjY4MTA5OTU2MDIzNzQ1IDIxNTQ2Njk4Mjc0MDU1NzU=