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<?php
namespace Bitrix\Rest\Configuration\DataProvider;
use Bitrix\Main\SystemException;
use Bitrix\Rest\Configuration\DataProvider\Disk;
use Bitrix\Rest\Configuration\DataProvider\IO;
/**
* Class Controller
* @package Bitrix\Rest\Configuration\DataProvider
*/
class Controller
{
public const CODE_DISK = 'disk';
public const CODE_IO = 'io';
private const ITEM_LIST = [
self::CODE_DISK => Disk\Base::class,
self::CODE_IO => IO\Base::class,
];
private $errorList = [];
/** @var Controller|null */
private static $instance;
/**
* @return Controller
*/
public static function getInstance(): Controller
{
if (self::$instance === null)
{
self::$instance = new Controller();
}
return self::$instance;
}
/**
* Returns data provider by code
*
* @param string $code
* @param array $setting
*
* @return ProviderBase|null
*/
public function get(string $code, array $setting = []): ?ProviderBase
{
$result = null;
$class = self::ITEM_LIST[$code];
if ($class)
{
$result = $this->getProvider($class, $setting);
}
return $result;
}
private function getProvider(string $class, array $setting = []): ?ProviderBase
{
$result = null;
if ($class && class_exists($class))
{
$this->resetErrors();
try
{
$object = new $class($setting);
if ($object instanceof ProviderBase)
{
$result = $object;
}
}
catch (SystemException $error)
{
$this->setError($error->getCode(), $error->getMessage());
}
}
return $result;
}
private function __construct()
{
}
private function __clone()
{
}
private function setError($code, $message): void
{
$this->errorList[$code] = $message;
}
private function resetErrors(): bool
{
$this->errorList = [];
return true;
}
public function listError(): array
{
return $this->errorList;
}
}