Multipart

@Api
suspend fun multipart(ctx: ApiContext) {
    if (ctx.req.method != HttpMethod.POST) return
    val mp = ctx.req.body?.multipart() ?: return

    mp.forEachPart { part ->
        // Here, part.consumeContent() gives you a ByteSource you can use to stream the content information.
        // If you are sure that the content is fairly limited in size, you can use `part.bytes()` or `part.text()`
        // instead to read everything directly.

        // Also, if you sent file data, you can use
        // (part.extras as? Multipart.Extras.File)?.originalFileName
        // to get the original file name uploaded by the user.
    }
}