c43d04b95d
* all * all * optimize deserialize * all * all * fix issue * fix compile * fix compile * fix compile * fix compile * fix compile * fix compile * fix compile * fix compile * fix compile * fix compile
68 lines
1.6 KiB
Rust
68 lines
1.6 KiB
Rust
/*
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* Author: Ruben Fiszel
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* Copyright: Windmill Labs, Inc 2022
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* This file and its contents are licensed under the AGPLv3 License.
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* Please see the included NOTICE for copyright information and
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* LICENSE-AGPL for a copy of the license.
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*/
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//! helpers for serde + serde derive attributes
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use crate::utils::rd_string;
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use serde::{Deserialize, Deserializer};
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use serde_json::value::RawValue;
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use std::{fmt::Display, str::FromStr};
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pub fn default_true() -> bool {
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true
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}
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pub fn default_false() -> bool {
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false
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}
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pub fn default_null() -> Box<RawValue> {
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RawValue::from_string("null".to_string()).unwrap()
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}
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pub fn default_empty_string() -> String {
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String::new()
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}
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pub fn default_id() -> String {
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rd_string(6)
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}
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pub fn is_default<T: Default + std::cmp::PartialEq>(t: &T) -> bool {
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&T::default() == t
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}
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pub fn maybe_number_opt<'de, T, D>(deserializer: D) -> Result<Option<T>, D::Error>
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where
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D: Deserializer<'de>,
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T: FromStr + serde::Deserialize<'de>,
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<T as FromStr>::Err: Display,
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{
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#[derive(Deserialize)]
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#[serde(untagged)]
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enum NumericOrNull<'a, T> {
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String(String),
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Str(&'a str),
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RawT(T),
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Null,
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}
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match NumericOrNull::<T>::deserialize(deserializer)? {
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NumericOrNull::String(s) => match s.as_str() {
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"" => Ok(None),
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_ => T::from_str(&s).map(Some).map_err(serde::de::Error::custom),
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},
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NumericOrNull::Str(s) => match s {
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"" => Ok(None),
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_ => T::from_str(s).map(Some).map_err(serde::de::Error::custom),
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},
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NumericOrNull::RawT(i) => Ok(Some(i)),
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NumericOrNull::Null => Ok(None),
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}
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}
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