eventdispatcher.php

См. документацию.

<?php
 
namespace Bitrix\Catalog\EventDispatcher;
 
use Bitrix\Main\Config\Configuration;
use Bitrix\Rest\Event\EventBindInterface;
 
class EventDispatcher
{
    public const PLACEMENT_EXTERNAL_PRODUCT = 'CATALOG_EXTERNAL_PRODUCT';
    const SCOPE_CATALOG = 'catalog';
    const MODULE_ID = 'catalog';

    public static function onRestServiceBuildDescription(): array
    {
        return (new EventDispatcher())->dispatch();
    }

    public function dispatch(): array
    {
        $bindings = [];
        $classes = $this->collectEntityEventBind();
 
        foreach ($classes as $class)
        {
            $reflection = new \ReflectionClass($class);
            if (
                !$reflection->isInterface()
                && !$reflection->isAbstract()
                && !$reflection->isTrait())
            {
                if ($reflection->implementsInterface('\\Bitrix\\Rest\\Event\\EventBindInterface'))
                {
                    $bindings += $this->getBindings($class);
                }
            }
        }
        return [
            self::SCOPE_CATALOG => [
                \CRestUtil::EVENTS => $bindings,
                \CRestUtil::PLACEMENTS => [
                    self::PLACEMENT_EXTERNAL_PRODUCT => [],
                ],
            ]
        ];
    }
 
    protected function collectEntityEventBind(): array
    {
        $controllersConfig = Configuration::getInstance(self::MODULE_ID);
 
        if (!$controllersConfig['controllers'] || !$controllersConfig['controllers']['restIntegration'] || !$controllersConfig['controllers']['restIntegration']['eventBind'])
        {
            return [];
        }
 
        return $controllersConfig['controllers']['restIntegration']['eventBind'];
    }

    public function getBindings(string $class): array
    {
        return $class::getHandlers();
    }
}