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use chrono::{DateTime, SecondsFormat, TimeZone, Utc};
use serde::{self, Deserialize, Deserializer, Serializer};
use serde_with::{DeserializeAs, SerializeAs};
pub fn serialize<S>(dt: &DateTime<Utc>, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
serializer.serialize_str(&dt.to_rfc3339_opts(SecondsFormat::Millis, true))
}
pub fn deserialize<'de, D>(deserializer: D) -> Result<DateTime<Utc>, D::Error>
where
D: Deserializer<'de>,
{
let s = String::deserialize(deserializer)?;
match DateTime::parse_from_rfc3339(&s).map_err(serde::de::Error::custom) {
Ok(dt) => Ok(Utc.from_utc_datetime(&dt.naive_utc())),
Err(e) => Err(e),
}
}
pub struct DateTimeUtc(DateTime<Utc>);
impl SerializeAs<DateTime<Utc>> for DateTimeUtc {
fn serialize_as<S>(dt: &DateTime<Utc>, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
serializer.serialize_str(&dt.to_rfc3339_opts(SecondsFormat::Millis, true))
}
}
impl<'de> DeserializeAs<'de, DateTime<Utc>> for DateTimeUtc {
fn deserialize_as<D>(deserializer: D) -> Result<DateTime<Utc>, D::Error>
where
D: Deserializer<'de>,
{
let s = String::deserialize(deserializer)?;
match DateTime::parse_from_rfc3339(&s).map_err(serde::de::Error::custom) {
Ok(dt) => Ok(Utc.from_utc_datetime(&dt.naive_utc())),
Err(e) => Err(e),
}
}
}