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//! Treat an [`OffsetDateTime`] as a [Unix timestamp] for the purposes of serde.
//!
//! Use this module in combination with serde's [`#[with]`][with] attribute.
//!
//! When deserializing, the offset is assumed to be UTC.
//!
pub mod microseconds;
pub mod milliseconds;
pub mod nanoseconds;
use serde::{de, Deserialize, Deserializer, Serialize, Serializer};
use crate::OffsetDateTime;
/// Serialize an `OffsetDateTime` as its Unix timestamp
pub fn serialize<S: Serializer>(
datetime: &OffsetDateTime,
serializer: S,
) -> Result<S::Ok, S::Error> {
datetime.unix_timestamp().serialize(serializer)
}
/// Deserialize an `OffsetDateTime` from its Unix timestamp
pub fn deserialize<'a, D: Deserializer<'a>>(deserializer: D) -> Result<OffsetDateTime, D::Error> {
OffsetDateTime::from_unix_timestamp(<_>::deserialize(deserializer)?)
.map_err(|err| de::Error::invalid_value(de::Unexpected::Signed(err.value), &err))
}
/// Treat an `Option<OffsetDateTime>` as a [Unix timestamp] for the purposes of
/// serde.
///
/// Use this module in combination with serde's [`#[with]`][with] attribute.
///
/// When deserializing, the offset is assumed to be UTC.
///
pub mod option {
#[allow(clippy::wildcard_imports)]
use super::*;
/// Serialize an `Option<OffsetDateTime>` as its Unix timestamp
pub fn serialize<S: Serializer>(
option: &Option<OffsetDateTime>,
serializer: S,
) -> Result<S::Ok, S::Error> {
option
.map(OffsetDateTime::unix_timestamp)
.serialize(serializer)
}
/// Deserialize an `Option<OffsetDateTime>` from its Unix timestamp
pub fn deserialize<'a, D: Deserializer<'a>>(
deserializer: D,
) -> Result<Option<OffsetDateTime>, D::Error> {
Option::deserialize(deserializer)?
.map(OffsetDateTime::from_unix_timestamp)
.transpose()
.map_err(|err| de::Error::invalid_value(de::Unexpected::Signed(err.value), &err))
}
}