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<?php
namespace Bitrix\Landing\Assets;
use Bitrix\Landing\Agent;
use Bitrix\Landing\File;
use Bitrix\Landing\Manager;
use Bitrix\Main;
use Bitrix\Main\FileTable;
use Bitrix\Main\Security\Random;
use Bitrix\Main\Web\WebPacker;
/**
* Manage webpack files
*/
class WebpackFile
{
protected const MODULE_ID = 'landing';
protected const DIR_NAME = 'assets';
protected const DEFAULT_NAME = 'assets_webpack';
protected const CORE_EXTENSION = 'ui.webpacker';
protected const LANG_RESOURCE = '/bitrix/js/landing/webpackassets/message_loader.js';
/**
* @var WebPacker\FileController
*/
protected WebPacker\FileController $fileController;
/**
* @var int relation with file and landing in table
*/
protected int $landingId;
/**
* @var int|null - ID of file from b_file
*/
protected ?int $fileId = null;
/**
* @var WebPacker\Resource\Package
*/
protected WebPacker\Resource\Package $package;
/**
* @var WebPacker\Resource\Profile
*/
protected WebPacker\Resource\Profile $profile;
/**
* Name of file. If not set - will be using default
* @var string
*/
protected string $filename;
/**
* Unique string of current assets package
* @var string
*/
protected string $packageHash;
/**
* For browser cache
*/
protected static int $cacheTtl = 86400; // one day
/**
* WebpackFile constructor.
*/
public function __construct()
{
$this->fileController = new WebPacker\FileController();
$this->package = new WebPacker\Resource\Package();
$this->profile = new WebPacker\Resource\Profile();
}
/**
* Assets created for every landing.
* @param int $lid - id of landing
*/
public function setLandingId(int $lid): void
{
$this->landingId = $lid;
}
/**
* Set unique string for current assets package
* @param string $hash
*/
public function setPackageHash(string $hash): void
{
$this->packageHash = $hash;
}
/**
* Set unique name of file. If not set - will be using default
* @param string $name
*/
public function setFileName(string $name): void
{
$this->filename = $name;
}
protected function getFileName(): string
{
if($this->packageHash)
{
$this->filename = self::DEFAULT_NAME . '_' . $this->packageHash . '_' . time() . '.js';
}
else
{
$this->filename = self::DEFAULT_NAME . '_' . Random::getString(16) . '.js';
}
return $this->filename;
}
/**
* @param string $resource Relative path to asset.
*/
public function addResource(string $resource): void
{
$this->package->addAsset(WebPacker\Resource\Asset::create($resource));
}
/**
* Create new or get existing webpack file.
*/
public function build(): void
{
$this->configureFile();
$this->configureResources();
// create new file
if (!$this->fileId)
{
$res = $this->fileController->build();
if ($res->isSuccess())
{
$this->fileId = $res->getId();
File::addToAsset($this->landingId, $this->fileId);
// tmp fixing agent for 149117
Agent::addUniqueAgent('checkFileExists', [$this->fileId], 86400, 60);
}
}
}
/**
* Prepare fileController for build
*/
protected function configureFile(): void
{
if ($fileId = $this->findExistFile())
{
$this->fileId = $fileId;
$file = \CFile::GetByID($fileId)->Fetch();
$this->setFileName($file['ORIGINAL_NAME'] ?: $this->filename);
}
$this->fileController->configureFile(
$this->fileId,
self::MODULE_ID,
self::DIR_NAME,
$this->getFileName()
);
}
/**
* Search existing asset file for current landing
* @return null|int - ID of file or false if not exist
*/
protected function findExistFile(): ?int
{
if ($this->landingId)
{
foreach(File::getFilesFromAsset($this->landingId) as $fileId)
{
if(
$fileId > 0
&& $this->packageHash
&& ($file = \CFile::GetByID($fileId)->Fetch())
&& strpos($file['ORIGINAL_NAME'], self::DEFAULT_NAME . '_' . $this->packageHash) === 0
)
{
return $fileId;
}
}
return null;
}
// if have not landing ID - old variant, find something
$fileQuery = FileTable::query()
->addSelect('ID')
->addSelect('ORIGINAL_NAME')
->where('MODULE_ID', self::MODULE_ID)
->where('%ORIGINAL_NAME', self::DEFAULT_NAME)
;
$file = $fileQuery->fetch();
return $file ? $file['ID'] : null;
}
public function setUseLang(): void
{
$this->profile->useAllLangs(true);
$this->addResource(self::LANG_RESOURCE);
}
protected function configureResources(): void
{
$this->fileController->addExtension(self::CORE_EXTENSION); // need core ext always
$this->fileController->addModule(
new WebPacker\Module(
self::DEFAULT_NAME,
$this->package,
$this->profile
)
);
}
/**
* Return JS-string for load assets pack
* File must be builded before
* @return string
*/
public function getOutput(): string
{
return $this->fileController
->getLoader()
->setCacheTtl(self::$cacheTtl)
->getString();
}
/**
* Mark webpack files for landing as "need rebuild", but not delete them. File will be exist until not created new file.
* @param int|[int] $lid - array of landing IDs.
* @throws Main\ArgumentException
* @throws Main\SystemException
*/
public static function markToRebuild($lid): void
{
if (!$lid || empty($lid))
{
throw new Main\ArgumentException('LID must be int or array of int', 'lid');
}
if (File::markAssetToRebuild($lid))
{
Manager::clearCacheForLanding($lid);
}
}
/**
* * Mark webpack files for landing as "need rebuild", but not delete them. File will be exist until not created new file.
*/
public static function markAllToRebuild(): void
{
if (File::markAssetToRebuild())
{
Manager::clearCache();
}
}
}