Creating or updating programs

Program.kt

fun insertOrUpdateChannelPrograms(context: Context, channelId: Long) {
    val existingPrograms = getChannelPrograms(channelId)
    MovieList.list.forEach { movie ->
        val existingProgram = existingPrograms.find {
            it.internalProviderId == movie.id.toString()
        }
        val programBuilder = when (existingProgram) {
            null -> PreviewProgram.Builder()
            else -> PreviewProgram.Builder(existingProgram)
        }
        val program = programBuilder.setChannelId(channelId)
            .setType(TvContractCompat.PreviewPrograms.TYPE_MOVIE)
            .setTitle(title)
            .setPreviewVideoUri(videoUrl?.toUri())
            .setDurationMillis(Random.nextInt(0, 10) * 60 * 1000)
            .setLastPlaybackPositionMillis(0)
            .setGenre(genre)
            .setDescription(description)
            .setPosterArtUri(cardImageUrl?.toUri())
            .setIntentUri("content://channelsample.com/movie/$id".toUri())
            .setInternalProviderId(id.toString())
            .build()

        when (existingProgram) {
            null -> context.contentResolver.insert(
                /* url = */ TvContractCompat.PreviewPrograms.CONTENT_URI,
                /* values = */ program.toContentValues()
            )
            else -> context.contentResolver.update(
                /* uri = */ TvContractCompat.PreviewPrograms.CONTENT_URI,
                /* values = */ program.toContentValues(),
                /* where = */ null,
                /* selectionArgs = */ null
            )
        }
    }
}