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<?php
namespace Bitrix\Main\Update;
use Bitrix\Main;
use Bitrix\Main\HttpApplication;
use Bitrix\Main\Web\Json;
use Bitrix\Main\Config\Option;
use Bitrix\Main\Context;
use Bitrix\Main\Localization\Loc;
/**
* Class Stepper
* @package Bitrix\Main\Update
* This class can be used if only you do not alter tables in DB. Agent will not be executed if module is not installed.
* @example Code to bind agent in updater:
* \Bitrix\Main\Update\Stepper::bindClass('Bitrix\Tasks\Update1701', 'tasks');
* or
* if ($updater->CanUpdateDatabase())
* {
* $basePath = $updater->CanUpdateKernel() ? $updater->curModulePath.'/lib/somepath' : BX_ROOT.'/modules/lists/lib/somepath';
* if(include_once($_SERVER["DOCUMENT_ROOT"].$basePath."ecrmpropertyupdate.php"))
* {
* \Bitrix\Lists\SomePath\EcrmPropertyUpdate::bind();
* }
* }
*/
abstract class Stepper
{
const CONTINUE_EXECUTION = true;
const FINISH_EXECUTION = false;
const THRESHOLD_TIME = 20.0;
const DELAY_COEFFICIENT = 0.5;
protected static $moduleId = "main";
private static $countId = 0;
protected $outerParams = [];
/**
* Returns HTML to show updates.
* @param array|string $ids
* @param string $title
* @return string
*/
public static function getHtml($ids = [], $title = "")
{
if (static::class !== __CLASS__)
{
$title = static::getTitle();
$ids = [static::$moduleId => [static::class]];
return call_user_func([__CLASS__, "getHtml"], $ids, $title);
}
$return = [];
$count = 0;
$steps = 0;
if (is_string($ids))
{
$ids = [$ids => null];
}
foreach ($ids as $moduleId => $classesId)
{
$options = [];
$category = "main.stepper." . $moduleId;
if (is_string($classesId))
{
$classesId = [$classesId];
}
if (is_array($classesId))
{
foreach ($classesId as $classId)
{
if (($option = Option::get($category, $classId)) !== "")
{
$options[$classId] = $option;
}
}
}
elseif (is_null($classesId))
{
$options = Option::getForModule($category);
}
foreach ($options as $classId => $option)
{
$option = unserialize($option, ['allowed_classes' => false]);
if (is_array($option))
{
$return[] = [
"moduleId" => $moduleId,
"class" => $classId,
"title" => $option["title"] ?? '',
"steps" => $option["steps"],
"count" => $option["count"],
];
$count += $option["count"];
$steps += ($option["count"] > $option["steps"] ? $option["steps"] : $option["count"]);
}
}
}
$result = '';
if (!empty($return))
{
$id = ++self::$countId;
\CJSCore::Init(['update_stepper']);
$title = empty($title) ? self::getTitle() : $title;
$progress = $count > 0 ? intval($steps * 100 / $count) : 0;
$result .= <<<HTML
<div class="main-stepper main-stepper-show" id="{$id}-container" data-bx-steps-count="{$count}">
<div class="main-stepper-info" id="{$id}-title">{$title}</div>
<div class="main-stepper-inner">
<div class="main-stepper-bar">
<div class="main-stepper-bar-line" id="{$id}-bar" style="width:{$progress}%;"></div>
</div>
<div class="main-stepper-steps"><span id="{$id}-steps">{$steps}</span> / <span id="{$id}-count">{$count}</span></div>
<div class="main-stepper-error-text" id="{$id}-error"></div>
</div>
</div>
HTML;
$return = Json::encode($return);
$result = <<<HTML
<div class="main-stepper-block">{$result}
<script>BX.ready(function(){ if (BX && BX["UpdateStepperRegister"]) { BX.UpdateStepperRegister({$id}, {$return}); }});</script>
</div>
HTML;
}
return $result;
}
public static function getTitle()
{
return Loc::getMessage("STEPPER_TITLE");
}
/**
* Executes an agent.
* @return string
*/
public static function execAgent()
{
global $pPERIOD;
$updater = self::createInstance();
$className = get_class($updater);
$option = Option::get("main.stepper." . $updater->getModuleId(), $className);
if ($option !== "")
{
$option = unserialize($option, ['allowed_classes' => false]);
}
$option = is_array($option) ? $option : [];
$updater->setOuterParams(func_get_args());
$startTime = microtime(true);
if ($updater->execute($option) === self::CONTINUE_EXECUTION)
{
$executeTime = microtime(true) - $startTime;
$threshold = (float)($option["thresholdTime"] ?? self::THRESHOLD_TIME);
if ($executeTime > $threshold)
{
// delaying next execution time proportionally to the last execution time
$delayCoefficient = (float)($option["delayCoefficient"] ?? self::DELAY_COEFFICIENT);
/** @see main/classes/general/agent.php:498 */
$pPERIOD = (int)round($executeTime + $executeTime * $delayCoefficient);
}
$option["steps"] = (int)($option["steps"] ?? 0);
$option["count"] = (int)($option["count"] ?? 0);
$option["lastTime"] = $executeTime;
$option["totalTime"] = (float)($option["totalTime"] ?? 0.0) + $executeTime;
$option["title"] = $updater::getTitle();
Option::set("main.stepper." . $updater->getModuleId(), $className, serialize($option));
return $className . '::execAgent(' . $updater::makeArguments($updater->getOuterParams()) . ');';
}
Option::delete('main.stepper.' . $updater->getModuleId(), ['name' => $className]);
Option::delete('main.stepper.' . $updater->getModuleId(), ['name' => '\\' . $className]);
return '';
}
/**
* @deprecated Does nothing.
*/
public function __destruct()
{
}
/**
* Executes some action, and if return value is false, agent will be deleted.
* @param array $option Array with main data to show if it is necessary like {steps : 35, count : 7}, where steps is an amount of iterations, count - current position.
* @return boolean
*/
abstract function execute(array &$option);
public function setOuterParams(array $outerParams): void
{
$this->outerParams = $outerParams;
}
public function getOuterParams(): array
{
return $this->outerParams;
}
/**
* It is possible to pass only integer and string values for now. But you can make your own method or extend this one.
* @param array $arguments
* @return string
*/
public static function makeArguments($arguments = []): string
{
if (is_array($arguments))
{
foreach ($arguments as $key => $val)
{
if (is_string($val))
{
$arguments[$key] = "'" . EscapePHPString($val, "'") . "'";
}
else
{
$arguments[$key] = intval($val);
}
}
return implode(", ", $arguments);
}
return "";
}
/**
* Just a fabric method.
* @return Stepper
*/
public static function createInstance()
{
return new static;
}
/**
* Wrap-function to get moduleId.
* @return string
*/
public static function getModuleId()
{
return static::$moduleId;
}
/**
* Adds agent for current class.
* @param int $delay Delay for running agent
* @param array $withArguments Data that will available in $stepper->outerParams
* @return void
*/
public static function bind($delay = 300, $withArguments = [])
{
/** @var Stepper | string $c */
$c = get_called_class();
self::bindClass($c, $c::getModuleId(), $delay, $withArguments);
}
/**
* Adds agent for class $className for $moduleId module. Example for updater: \Bitrix\Main\Stepper::bindClass('\Bitrix\SomeModule\SomeClass', 'somemodule').
* @param string $className Class like \Bitrix\SomeModule\SomeClass extends Stepper.
* @param string $moduleId Module ID like somemodule.
* @param int $delay Delay for running agent
* @param array $withArguments
* @return void
*/
public static function bindClass($className, $moduleId, $delay = 300, $withArguments = [])
{
if (class_exists("\CAgent"))
{
$addAgent = true;
$withArguments = is_array($withArguments) ? $withArguments : [];
$delay = (int)$delay;
if ($delay <= 0)
{
/** @var Stepper $className */
$addAgent = ('' !== call_user_func_array([$className, "execAgent"], $withArguments));
}
if ($addAgent)
{
if (Option::get("main.stepper." . $moduleId, $className) === "")
{
Option::set("main.stepper." . $moduleId, $className, serialize([]));
}
\CTimeZone::Disable();
\CAgent::AddAgent(
$className . '::execAgent(' . (empty($withArguments) ? '' : call_user_func_array([$className, "makeArguments"], [$withArguments])) . ');',
$moduleId,
"Y",
1,
"",
"Y",
date(Main\Type\Date::convertFormatToPhp(\CSite::GetDateFormat()), time() + $delay),
100,
false,
false
);
\CTimeZone::Enable();
}
}
else
{
$connection = \Bitrix\Main\Application::getConnection();
$helper = $connection->getSqlHelper();
$arguments = '';
if (!empty($withArguments))
{
$arguments = class_exists($className)
? call_user_func_array([$className, "makeArguments"], [$withArguments])
: self::makeArguments($withArguments);
}
$name = $helper->forSql($className . '::execAgent(' . $arguments . ');', 2000);
$className = $helper->forSql($className);
$moduleId = $helper->forSql($moduleId);
$agent = $connection->query("SELECT ID FROM b_agent WHERE MODULE_ID='" . $moduleId . "' AND NAME = '" . $name . "' AND USER_ID IS NULL")->fetch();
if (!$agent)
{
$connection->query(
"INSERT INTO b_agent (MODULE_ID, SORT, NAME, ACTIVE, AGENT_INTERVAL, IS_PERIOD, NEXT_EXEC)
VALUES ('" . $moduleId . "', 100, '" . $name . "', 'Y', 1, 'Y', " . ($delay > 0 ? $helper->addSecondsToDateTime($delay) : $helper->getCurrentDateTimeFunction()) . ")"
);
$merge = $helper->prepareMerge(
'b_option',
['MODULE_ID', 'NAME'],
[
'MODULE_ID' => 'main.stepper.' . $moduleId,
'NAME' => $className,
'VALUE' => 'a:0:{}',
],
[
'VALUE' => 'a:0:{}',
]
);
if ($merge)
{
$connection->Query($merge[0]);
}
}
}
}
/**
* Just method to check request.
* @return void
*/
public static function checkRequest()
{
$result = [];
$data = Context::getCurrent()->getRequest()->getPost("stepper");
if (is_array($data))
{
foreach ($data as $stepper)
{
if (($option = Option::get("main.stepper." . $stepper["moduleId"], $stepper["class"])) !== "" &&
($res = unserialize($option, ['allowed_classes' => false])) && is_array($res))
{
$r = [
"moduleId" => $stepper["moduleId"],
"class" => $stepper["class"],
"steps" => $res["steps"],
"count" => $res["count"],
];
$result[] = $r;
}
}
}
self::sendJson($result);
}
/**
* Sends json.
* @param $result
* @return void
*/
private static function sendJson($result)
{
global $APPLICATION;
$APPLICATION->RestartBuffer();
header('Content-Type:application/json; charset=UTF-8');
echo Json::encode($result);
\CMain::finalActions();
die;
}
protected function writeToLog(\Exception $exception)
{
$application = HttpApplication::getInstance();
$exceptionHandler = $application->getExceptionHandler();
$exceptionHandler->writeToLog($exception);
}
}