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<?php
namespace Bitrix\Rest\Event;
use Bitrix\Main\Engine\Response\Converter;
use Bitrix\Main\IO\Path;
use Bitrix\Main\NotImplementedException;
use Bitrix\Main\ORM\Event;
use Bitrix\Rest\RestException;
class EventBind
{
/** @var string|EventBindInterface */
private string $class;
/**
* @param string $class
* @throws NotImplementedException
* @throws \ReflectionException
*/
public function __construct(string $class)
{
$reflection = new \ReflectionClass($class);
if ($reflection->implementsInterface('\\Bitrix\\Rest\\Event\\EventBindInterface'))
{
$this->class = $class;
}
else
{
throw new NotImplementedException($class.' is not implemented interface EventBindInterface');
}
}
/**
*
* Get config, handlers and bindings PHP events to REST events
*
* @param array $names
* @return array
*/
public function getHandlers(array $names): array
{
$bindings = [];
$eventNames = $this->bind($names);
foreach ($eventNames as $internalName => $externalName)
{
$bindings[$externalName] = $this->getItemEventInfo($internalName, $this->class::getCallbackRestEvent());
}
return $bindings;
}
/**
*
* Get bindings internal event name to external name
*
* @param array $eventNames
* @return array
*/
private function bind(array $eventNames): array
{
$result = [];
foreach ($eventNames as $internalName => $externalName)
{
$isAssociativeArray = !is_numeric($internalName);
if ($isAssociativeArray)
{
$result[$internalName] = $externalName;
}
else
{
$internalName = $externalName;
$result[$internalName] = $this->makeExternalEventName($externalName);
}
}
return $result;
}
private function getItemEventInfo(string $eventName, array $callback): array
{
return [
$this->getModuleId(),
$eventName,
$callback,
[
'category' => \Bitrix\Rest\Sqs::CATEGORY_CRM,
],
];
}
private function makeExternalEventName(string $eventName): string
{
$converter = new Converter(Converter::TO_SNAKE);
$eventName = str_replace('::', '\\', $eventName);
$eventName = str_replace('\\', '', $eventName);
$name = $converter->process($eventName);
return str_replace('_','.', $this->getModuleId().'_'.$name);
}
/**
* @throws \ReflectionException
* @throws \Bitrix\Main\IO\InvalidPathException
*/
private function getFilePath(string $class): string
{
$reflector = new \ReflectionClass($class);
return Path::normalize($reflector->getFileName());
}
private function getModuleId(): string
{
return getModuleId($this->getFilePath($this->class));
}
/**
*
* Handler for result improvement to REST event handlers
*
* @param array $arParams
* @param array $arHandler
* @return array[]
* @throws RestException
*/
public static function processItemEvent(array $arParams, array $arHandler): array
{
$id = null;
$event = $arParams[0] ?? null;
if (!$event)
{
throw new RestException('event object not found trying to process event');
}
if ($event instanceof Event)
{
$item = $event->getParameter('id');
$id = is_array($item) ? $item['ID']: $item;
}
if (!$id)
{
throw new RestException('id not found trying to process event');
}
return [
'FIELDS' => [
'ID' => $id
],
];
}
}