EdnaruImHpx::resolveStatus

static function resolveStatus($serviceStatus): ?int
{
	switch ($serviceStatus)
	{
		case 'read':
		case 'sent':
			return MessageStatus::SENT;
		case 'enqueued':
			return MessageStatus::QUEUED;
		case 'delayed':
			return MessageStatus::ACCEPTED;
		case 'delivered':
			return MessageStatus::DELIVERED;
		case 'undelivered':
			return MessageStatus::UNDELIVERED;
		case 'failed':
		case 'cancelled':
		case 'expired':
		case 'no-match-template':
			return MessageStatus::FAILED;
		default:
			return mb_strpos($serviceStatus, 'error') === 0 ? MessageStatus::ERROR : MessageStatus::UNKNOWN;
	}
}