Update a todo

MainController.kt

put(":id") { req, res ->

    val update = jacksonObjectMapper().readTree(req.body())
    if (!update.has("text") || !update.has("done")) badRequest("text and done required in JSON body string")

    val rowsUpdated = using(sessionOf(HikariCP.dataSource())) { session ->
        session.run(queryOf("update todo set text=?, done=? where id=?",
                update.get("text").asText(), update.get("done").asBoolean(), req.params("id").toLong())
                .asUpdate)
    }

    if (rowsUpdated == 1) jacksonObjectMapper().writeValueAsString(getTodo(req.params("id").toLong()))
    else serverError("something went wrong")
}