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pub mod text_partition;
#[cfg(feature = "serde")]
pub mod serde {
use serde::{de::Deserializer, ser::Serializer, Deserialize, Serialize};
use chrono::{DateTime, Utc};
pub mod date_time {
use super::*;
use serde::de::Error;
pub fn serialize<S>(dt: &DateTime<Utc>, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
serializer.serialize_str(&dt.to_rfc2822())
}
pub fn deserialize<'de, D>(deserializer: D) -> Result<DateTime<Utc>, D::Error>
where
D: Deserializer<'de>,
{
let as_string = String::deserialize(deserializer)?;
let date_time = DateTime::parse_from_rfc2822(&as_string)
.map_err(|e| D::Error::custom(format!("invalid rfc2822 date time: {}", e)))?;
Ok(date_time.with_timezone(&Utc))
}
}
pub mod opt_date_time {
use super::*;
pub fn serialize<S>(dt: &Option<DateTime<Utc>>, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
SerOptDateTime::from(dt).serialize(serializer)
}
pub fn deserialize<'de, D>(deserializer: D) -> Result<Option<DateTime<Utc>>, D::Error>
where
D: Deserializer<'de>,
{
DeOptDateTime::deserialize(deserializer).map(Into::into)
}
#[derive(Deserialize)]
enum DeOptDateTime {
Some(#[serde(with = "super::date_time")] DateTime<Utc>),
None,
}
impl Into<Option<DateTime<Utc>>> for DeOptDateTime {
fn into(self) -> Option<DateTime<Utc>> {
match self {
DeOptDateTime::Some(dt) => Some(dt),
DeOptDateTime::None => None,
}
}
}
#[derive(Serialize)]
enum SerOptDateTime<'a> {
Some(#[serde(with = "super::date_time")] &'a DateTime<Utc>),
None,
}
impl<'a> From<&'a Option<DateTime<Utc>>> for SerOptDateTime<'a> {
fn from(val: &'a Option<DateTime<Utc>>) -> Self {
match val {
Some(ref dt) => SerOptDateTime::Some(dt),
None => SerOptDateTime::None,
}
}
}
}
}
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