TaskStatusChanged::execute

public function execute(Message $message): void
{
	// TODO: get rid of global variables
	global $DB;

	$task = $message->getMetaData()->getTask();
	$taskCurrentStatus = $message->getMetaData()->getParams()['task_current_status'] ?? $task->getRealStatus();

	$text = ($taskCurrentStatus == \CTasks::STATE_PENDING)
		? GetMessage('TASKS_SONET_TASK_STATUS_MESSAGE_' . \CTasks::STATE_NEW)
		: GetMessage('TASKS_SONET_TASK_STATUS_MESSAGE_' . $taskCurrentStatus);

	if ($taskCurrentStatus == \CTasks::STATE_DECLINED)
	{
		$text = str_replace('#TASK_DECLINE_REASON#', $task->getDeclineReason(), $text);
	}

	$realStatus = $task->getRealStatus();

	$arSoFields = [
		'TITLE' => $task->getTitle(),
		'=LOG_UPDATE' => (
		$task->getChangedDate() <> ''?
			(MakeTimeStamp($task->getChangedDate(), \CSite::GetDateFormat("FULL", SITE_ID)) > time()+\CTimeZone::GetOffset()?
				\Bitrix\Tasks\Util\Db::charToDateFunction($task->getChangedDate(), "FULL", SITE_ID) :
				$DB->CurrentTimeFunction()) :
			$DB->CurrentTimeFunction()
		),
		'MESSAGE' => '',
		'TEXT_MESSAGE' => $text,
		'PARAMS' => serialize(
			array(
				'TYPE' => 'status',
				'CHANGED_BY' => $message->getSender()->getId(),
				'PREV_REAL_STATUS' => $realStatus ?? false
			)
		)
	];

	$arSoFields['=LOG_DATE'] = $arSoFields['=LOG_UPDATE'];

	// All tasks posts in live feed should be from director
	if (isset($params['CREATED_BY']))
	{
		$arSoFields['USER_ID'] = $params['CREATED_BY'];
	}

	$loggedInUserId = false;
	if (User::getId())
	{
		$loggedInUserId = User::getId();
	}

	$arLogFilter = $this->getSonetLogFilter($task->getId(), $task->isCrm());

	if (empty($arLogFilter))
	{
		return;
	}

	$dbRes = \CSocNetLog::GetList(
		['ID' => 'DESC'],
		$arLogFilter,
		false,
		false,
		['ID', 'ENTITY_TYPE', 'ENTITY_ID']
	);
	while ($log = $dbRes->Fetch())
	{
		$logId = $log['ID'];
		$authorId = $task->getCreatedBy();

		\CSocNetLog::Update($logId, $arSoFields);

		// Add author to list of users that view log about task in livefeed
		// But only when some other person change task
		if ($authorId !== $loggedInUserId)
		{
			$authorGroupCode = 'U'.$authorId;

			$rightsResult = \CSocNetLogRights::GetList([], [
				'LOG_ID' => $logId,
				'GROUP_CODE' => $authorGroupCode,
			]);

			// If task's author hasn't rights yet, give them
			if (!$rightsResult->fetch())
			{
				$follow = !UserOption::isOptionSet($task->getId(), $authorId, UserOption\Option::MUTED);
				\CSocNetLogRights::Add($logId, [$authorGroupCode], false, $follow);
			}
		}
	}
}