PrepareDeletionAction::run

public function run(array $params)
{
	if(!Crm\Security\EntityAuthorization::isAuthorized())
	{
		$this->addError(new Main\Error('Access denied.'));
		return null;
	}

	$gridID = isset($params['gridId']) ? $params['gridId'] : '';
	if($gridID === '')
	{
		$this->addError(new Main\Error('The parameter gridId is required.'));
		return null;
	}

	$entityTypeID = isset($params['entityTypeId']) ? (int)$params['entityTypeId'] : \CCrmOwnerType::Undefined;
	if($entityTypeID === \CCrmOwnerType::Undefined)
	{
		$this->addError(new Main\Error('The parameter entityTypeId is required.'));
		return null;
	}

	if(!isset($_SESSION['CRM_ENTITY_DELETION_DATA']))
	{
		$_SESSION['CRM_ENTITY_DELETION_DATA'] = [];
	}

	$entityIDs = isset($params['entityIds']) && is_array($params['entityIds']) ? $params['entityIds'] : null;
	if(is_array($entityIDs))
	{
		sort($entityIDs, SORT_NUMERIC);
		$hash = md5(
			\CCrmOwnerType::ResolveName($entityTypeID).':'.mb_strtoupper($gridID).':'.implode(',', $entityIDs)
		);

		$_SESSION['CRM_ENTITY_DELETION_DATA'][$hash] = [
			'HASH' => $hash,
			'GRID_ID' => $gridID,
			'ENTITY_TYPE_ID' => $entityTypeID,
			'ENTITY_IDS' => $entityIDs
		];
	}
	else
	{
		$filterFields = isset($params['filter']) && is_array($params['filter']) ? $params['filter'] : null;

		$filterFields = Factory::createEntityFilter(
			Factory::createEntitySettings(
				$entityTypeID,
				$gridID,
				Factory::convertSettingsParams(
					$entityTypeID,
					(isset($params['extras']) && is_array($params['extras']) ? $params['extras'] : [])
				)
			)
		)->getValue($filterFields);

		ksort($filterFields, SORT_STRING);
		$hash = md5(
			\CCrmOwnerType::ResolveName($entityTypeID)
			.':'.mb_strtoupper($gridID)
			.':'.implode(',', array_map(function($k, $v){ return "{$k}:{$v}"; }, array_keys($filterFields), $filterFields))
		);

		$_SESSION['CRM_ENTITY_DELETION_DATA'][$hash] = [
			'HASH' => $hash,
			'GRID_ID' => $gridID,
			'ENTITY_TYPE_ID' => $entityTypeID,
			'FILTER' => $filterFields
		];
	}

	if(isset($_SESSION['CRM_ENTITY_DELETION_PROGRESS']))
	{
		unset($_SESSION['CRM_ENTITY_DELETION_PROGRESS'][$hash]);
	}

	return [ 'hash' => $hash ];
}