commonMain.net.folivo.trixnity.clientserverapi.model.uia.AuthenticationRequestWithSession.kt Maven / Gradle / Ivy

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Multiplatform Kotlin SDK for matrix-protocol

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package net.folivo.trixnity.clientserverapi.model.uia

import kotlinx.serialization.KSerializer
import kotlinx.serialization.Serializable
import kotlinx.serialization.SerializationException
import kotlinx.serialization.descriptors.buildClassSerialDescriptor
import kotlinx.serialization.encoding.Decoder
import kotlinx.serialization.encoding.Encoder
import kotlinx.serialization.json.*

@Serializable(with = AuthenticationRequestWithSessionSerializer::class)
data class AuthenticationRequestWithSession(
    val authenticationRequest: AuthenticationRequest,
    val session: String?
)

object AuthenticationRequestWithSessionSerializer : KSerializer {
    override val descriptor = buildClassSerialDescriptor("AuthenticationRequestWithSessionSerializer")

    override fun deserialize(decoder: Decoder): AuthenticationRequestWithSession {
        require(decoder is JsonDecoder)
        val jsonObject = decoder.decodeJsonElement()
        if (jsonObject !is JsonObject) throw SerializationException("should be json object")
        val authenticationRequest = decoder.json.decodeFromJsonElement(jsonObject)
        val session =
            jsonObject["session"]?.let { if (it !is JsonPrimitive) throw SerializationException("sesssion must be a string") else it }?.content
        return AuthenticationRequestWithSession(authenticationRequest, session)
    }

    override fun serialize(encoder: Encoder, value: AuthenticationRequestWithSession) {
        require(encoder is JsonEncoder)
        val session = value.session
        encoder.encodeJsonElement(JsonObject(buildMap {
            putAll(encoder.json.encodeToJsonElement(value.authenticationRequest).jsonObject)
            session?.let { put("session", JsonPrimitive(it)) }
        }))
    }
}