1use core::str::FromStr;
4
5use serde::{Deserialize, Serialize};
6
7use crate::{prelude::*, Error};
8
9#[derive(Clone, Debug, Deserialize, Eq, PartialEq, Serialize)]
11pub enum Order {
12 #[serde(rename = "asc")]
14 Ascending,
15
16 #[serde(rename = "desc")]
18 Descending,
19}
20
21impl FromStr for Order {
22 type Err = Error;
23
24 fn from_str(s: &str) -> Result<Self, Self::Err> {
25 match s {
26 "asc" => Ok(Self::Ascending),
27 "desc" => Ok(Self::Descending),
28 _ => Err(Error::invalid_params(format!(
29 "invalid order type: {s} (must be \"asc\" or \"desc\")"
30 ))),
31 }
32 }
33}