/decorators/ProductAPIParser.php

<?php
/**
 * @author Samigullin Kamil <feedback@kamilsk.com>
 * @link http://www.kamilsk.com/
 */
namespace Ecwid\decorators;
use Ecwid\interfaces\iProductAPI,
	\Exception;
/**
 * @package Ecwid.decorators
 * @since 1.0
 */
class ProductAPIParser extends ProductAPIDecorator
{
	/**
	 * @var array
	 */
	protected static $_defaultConfig = array(
		'assoc' => true,
	);

	/**
	 * Constructor.
	 *
	 * @param iProductAPI $product_api
	 * @param array $config
	 * <code>
	 * array(
	 * 	'assoc' => %bool,
	 * )
	 * </code>
	 * @throws Exception
	 */
	public function __construct(iProductAPI $product_api, array $config = array())
	{
		if ($this->_initConfig(array_merge(self::$_defaultConfig, $config))) {
			parent::__construct($product_api);
		} else {
			throw new Exception('_init');
		}
	}

	/**
	 * @return bool
	 */
	public function isAssoc()
	{
		return $this->_config['assoc'];
	}

	/**
	 * @param bool $assoc
	 * @return self
	 * @throws Exception
	 */
	public function setAssoc($assoc)
	{
		if ( ! is_bool($assoc)) {
			throw new Exception('_invalid_type');
		}
		$this->_config['assoc'] = $assoc;
		return $this;
	}

	/**
	 * @param array $config
	 * @return bool
	 * @throws Exception
	 */
	protected function _initConfig(array $config)
	{
		$map = array(
			'assoc' => 'setAssoc',
		);
		$this->_silent = true;
		foreach ($config as $key => $value) {
			if (array_key_exists($key, $map)) {
				$set = $map[$key];
				$this->$set($value);
			}
		}
		$this->_silent = false;
		return true;
	}

	/* iProductAPI */

	/**
	 * @param int|null $parent
	 * @return mixed
	 * @throws Exception
	 */
	public function getCategories($parent = null)
	{
		$response = $this->_product_api->getCategories($parent);
		if (is_string($response)) {
			$response = json_decode($response, $this->isAssoc());
			if (is_null($response)) {
				throw new Exception('_json', json_last_error());
			}
		}
		return $response;
	}

	/**
	 * @param int $id
	 * @return mixed
	 * @throws Exception
	 */
	public function getCategory($id)
	{
		$response = $this->_product_api->getCategory($id);
		if (is_string($response)) {
			$response = json_decode($response, $this->isAssoc());
			if (is_null($response)) {
				throw new Exception('_json', json_last_error());
			}
		}
		return $response;
	}

	/**
	 * @param int|null $category
	 * @return mixed
	 * @throws Exception
	 */
	public function getProducts($category = null)
	{
		$response = $this->_product_api->getProducts($category);
		if (is_string($response)) {
			$response = json_decode($response, $this->isAssoc());
			if (is_null($response)) {
				throw new Exception('_json', json_last_error());
			}
		}
		return $response;
	}

	/**
	 * @param int $id
	 * @return mixed
	 * @throws Exception
	 */
	public function getProduct($id)
	{
		$response = $this->_product_api->getProduct($id);
		if (is_string($response)) {
			$response = json_decode($response, $this->isAssoc());
			if (is_null($response)) {
				throw new Exception('_json', json_last_error());
			}
		}
		return $response;
	}

	/**
	 * @param int $count
	 * @return mixed
	 * @throws Exception
	 */
	public function getRandomProducts($count)
	{
		$response = $this->_product_api->getRandomProducts($count);
		if (is_string($response)) {
			$response = json_decode($response, $this->isAssoc());
			if (is_null($response)) {
				throw new Exception('_json', json_last_error());
			}
		}
		return $response;
	}

	/**
	 * @return mixed
	 * @throws Exception
	 */
	public function getClasses()
	{
		$response = $this->_product_api->getClasses();
		if (is_string($response)) {
			$response = json_decode($response, $this->isAssoc());
			if (is_null($response)) {
				throw new Exception('_json', json_last_error());
			}
		}
		return $response;
	}

	/**
	 * @param int $id
	 * @return mixed
	 * @throws Exception
	 */
	public function getClass($id)
	{
		$response = $this->_product_api->getClass($id);
		if (is_string($response)) {
			$response = json_decode($response, $this->isAssoc());
			if (is_null($response)) {
				throw new Exception('_json', json_last_error());
			}
		}
		return $response;
	}

	/**
	 * @return mixed
	 * @throws Exception
	 */
	public function getProfile()
	{
		$response = $this->_product_api->getProfile();
		if (is_string($response)) {
			$response = json_decode($response, $this->isAssoc());
			if (is_null($response)) {
				throw new Exception('_json', json_last_error());
			}
		}
		return $response;
	}

	/**
	 * @param array $data
	 * @return mixed
	 * @throws Exception
	 */
	public function runBatch(array $data)
	{
		$response = $this->_product_api->runBatch($data);
		if (is_string($response)) {
			$response = json_decode($response, $this->isAssoc());
			if (is_null($response)) {
				throw new Exception('_json', json_last_error());
			}
		}
		return $response;
	}
}