transbeam/src/timestamp.rs

39 lines
889 B
Rust

use core::fmt;
use serde::{de::Visitor, Deserializer, Serializer};
use time::OffsetDateTime;
pub(crate) fn serialize<S: Serializer>(
time: &OffsetDateTime,
ser: S,
) -> Result<S::Ok, S::Error> {
ser.serialize_i64(time.unix_timestamp())
}
struct I64Visitor;
impl<'de> Visitor<'de> for I64Visitor {
type Value = i64;
fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
write!(formatter, "an integer")
}
fn visit_i64<E>(self, v: i64) -> Result<Self::Value, E> {
Ok(v)
}
fn visit_u64<E>(self, v: u64) -> Result<Self::Value, E> {
Ok(v as i64)
}
}
pub(crate) fn deserialize<'de, D: Deserializer<'de>>(
de: D,
) -> Result<OffsetDateTime, D::Error> {
Ok(
OffsetDateTime::from_unix_timestamp(de.deserialize_i64(I64Visitor)?)
.unwrap_or_else(|_| OffsetDateTime::now_utc()),
)
}