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use std::fmt;
use std::time::Duration;
#[cfg(not(target_arch = "wasm32"))]
use std::time::{SystemTime, UNIX_EPOCH};
use std::{
ops::{Add, Sub},
str::FromStr,
};
#[cfg(target_arch = "wasm32")]
use instant::SystemTime;
#[cfg(target_arch = "wasm32")]
const UNIX_EPOCH: SystemTime = SystemTime::UNIX_EPOCH;
#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Serialize, Deserialize)]
pub struct Timestamp(i64);
impl Timestamp {
pub fn now() -> Self {
let ts: u64 = SystemTime::now()
.duration_since(UNIX_EPOCH)
.unwrap_or_default()
.as_secs();
Self(ts as i64)
}
pub fn as_u64(&self) -> u64 {
if self.0 >= 0 {
self.0 as u64
} else {
0
}
}
pub fn as_i64(&self) -> i64 {
self.0
}
}
impl From<u64> for Timestamp {
fn from(timestamp: u64) -> Self {
Self(timestamp as i64)
}
}
impl FromStr for Timestamp {
type Err = std::num::ParseIntError;
fn from_str(s: &str) -> Result<Self, Self::Err> {
Ok(Self(s.parse::<i64>()?))
}
}
impl fmt::Display for Timestamp {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}", self.0)
}
}
impl Add<Duration> for Timestamp {
type Output = Self;
fn add(self, rhs: Duration) -> Self::Output {
Self(self.0.saturating_add(rhs.as_secs() as i64))
}
}
impl Sub<Duration> for Timestamp {
type Output = Self;
fn sub(self, rhs: Duration) -> Self::Output {
Self(self.0.saturating_sub(rhs.as_secs() as i64))
}
}
impl Add<u64> for Timestamp {
type Output = Self;
fn add(self, rhs: u64) -> Self::Output {
self.add(rhs as i64)
}
}
impl Sub<u64> for Timestamp {
type Output = Self;
fn sub(self, rhs: u64) -> Self::Output {
self.sub(rhs as i64)
}
}
impl Add<i64> for Timestamp {
type Output = Self;
fn add(self, rhs: i64) -> Self::Output {
Self(self.0.saturating_add(rhs))
}
}
impl Sub<i64> for Timestamp {
type Output = Self;
fn sub(self, rhs: i64) -> Self::Output {
Self(self.0.saturating_sub(rhs))
}
}