com.pexip.sdk.api.infinity.internal.DurationAsMillisecondsSerializer.kt Maven / Gradle / Ivy

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/*
 * Copyright 2023-2024 Pexip AS
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.pexip.sdk.api.infinity.internal

import kotlinx.serialization.KSerializer
import kotlinx.serialization.descriptors.PrimitiveKind
import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
import kotlinx.serialization.descriptors.SerialDescriptor
import kotlinx.serialization.encoding.Decoder
import kotlinx.serialization.encoding.Encoder
import kotlin.time.Duration
import kotlin.time.Duration.Companion.milliseconds
import kotlin.time.DurationUnit

internal object DurationAsMillisecondsSerializer : KSerializer {

    override val descriptor: SerialDescriptor =
        PrimitiveSerialDescriptor("DurationAsMillisecondsSerializer", PrimitiveKind.LONG)

    override fun deserialize(decoder: Decoder): Duration = decoder.decodeDouble().milliseconds

    override fun serialize(encoder: Encoder, value: Duration) {
        when (val d = value.toDouble(DurationUnit.MILLISECONDS)) {
            Double.POSITIVE_INFINITY -> encoder.encodeLong(Long.MAX_VALUE)
            else -> when (d % 1) {
                0.0 -> encoder.encodeLong(d.toLong())
                else -> encoder.encodeDouble(d)
            }
        }
    }
}