t_rust_less_lib/api/
zeroize_datetime.rs

1use chrono::{DateTime, Duration, TimeZone, Utc};
2use serde::{Deserialize, Serialize};
3use std::ops;
4use zeroize::Zeroize;
5
6#[derive(Clone, Copy, Debug, Serialize, Deserialize, PartialEq, Eq, Ord, PartialOrd)]
7#[serde(transparent)]
8pub struct ZeroizeDateTime(DateTime<Utc>);
9
10impl ZeroizeDateTime {
11  pub fn timestamp_millis(&self) -> i64 {
12    self.0.timestamp_millis()
13  }
14
15  pub fn format(&self, fmt: &str) -> String {
16    self.0.format(fmt).to_string()
17  }
18}
19
20impl Zeroize for ZeroizeDateTime {
21  fn zeroize(&mut self) {
22    self.0 = Utc.timestamp_millis_opt(0).unwrap()
23  }
24}
25
26impl From<DateTime<Utc>> for ZeroizeDateTime {
27  fn from(date_time: DateTime<Utc>) -> Self {
28    ZeroizeDateTime(date_time)
29  }
30}
31
32impl From<std::time::SystemTime> for ZeroizeDateTime {
33  fn from(system_time: std::time::SystemTime) -> Self {
34    ZeroizeDateTime(DateTime::from(system_time))
35  }
36}
37
38impl<T: Into<ZeroizeDateTime>> ops::Sub<T> for ZeroizeDateTime {
39  type Output = Duration;
40
41  fn sub(self, rhs: T) -> Self::Output {
42    self.0 - rhs.into().0
43  }
44}