federationlib/src/FederationLib/Classes/Validate.php

<?php

    namespace FederationLib\Classes;

    use FederationLib\Enums\Standard\PeerType;
    use FederationLib\Enums\Standard\InternetPeerType;
    use FederationLib\Enums\Standard\PeerAssociationType;
    use FederationLib\Enums\Standard\UserPeerType;

    class Validate
    {
        /**
         * Determines the entity type based on the entity type string.
         *
         * @param string $entity_type
         * @return string
         */
        public static function getEntityType(string $entity_type): string
        {
            if(in_array($entity_type, InternetPeerType::ALL))
            {
                return PeerType::INTERNET;
            }

            if(in_array($entity_type, UserPeerType::ALL))
            {
                return PeerType::USER;
            }

            return PeerType::UNKNOWN;
        }

        /**
         * Determines if the entity type is valid and supported.
         *
         * @param string $entity_type
         * @return bool
         */
        public static function validateEntityType(string $entity_type): bool
        {
            if(self::getEntityType($entity_type) === PeerType::UNKNOWN)
                return false;

            return true;
        }

        /**
         * Validates the peer association type.
         *
         * @param string $type
         * @return bool
         */
        public static function peerAssociationType(string $type): bool
        {
            if(in_array(strtolower($type), PeerAssociationType::ALL))
                return true;

            return false;
        }
    }