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use std::{
fmt,
time::{Duration, SystemTime, UNIX_EPOCH},
};
use js_int::{uint, UInt};
use serde::{Deserialize, Serialize};
#[derive(Clone, Copy, Hash, PartialEq, Eq, PartialOrd, Ord, Deserialize, Serialize)]
#[allow(clippy::exhaustive_structs)]
#[serde(transparent)]
pub struct MilliSecondsSinceUnixEpoch(pub UInt);
impl MilliSecondsSinceUnixEpoch {
pub fn from_system_time(time: SystemTime) -> Option<Self> {
let duration = time.duration_since(UNIX_EPOCH).ok()?;
let millis = duration.as_millis().try_into().ok()?;
Some(Self(millis))
}
pub fn now() -> Self {
#[cfg(not(all(target_arch = "wasm32", target_os = "unknown", feature = "js")))]
return Self::from_system_time(SystemTime::now()).expect("date out of range");
#[cfg(all(target_arch = "wasm32", target_os = "unknown", feature = "js"))]
return Self(f64_to_uint(js_sys::Date::now()));
}
pub fn to_system_time(self) -> Option<SystemTime> {
UNIX_EPOCH.checked_add(Duration::from_millis(self.0.into()))
}
pub fn get(&self) -> UInt {
self.0
}
pub fn as_secs(&self) -> UInt {
self.0 / uint!(1000)
}
}
impl fmt::Debug for MilliSecondsSinceUnixEpoch {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "MilliSecondsSinceUnixEpoch({})", self.0)
}
}
#[derive(Clone, Copy, Hash, PartialEq, Eq, PartialOrd, Ord, Deserialize, Serialize)]
#[allow(clippy::exhaustive_structs)]
#[serde(transparent)]
pub struct SecondsSinceUnixEpoch(pub UInt);
impl SecondsSinceUnixEpoch {
pub fn from_system_time(time: SystemTime) -> Option<Self> {
let duration = time.duration_since(UNIX_EPOCH).ok()?;
let millis = duration.as_secs().try_into().ok()?;
Some(Self(millis))
}
pub fn now() -> Self {
#[cfg(not(all(target_arch = "wasm32", target_os = "unknown", feature = "js")))]
return Self::from_system_time(SystemTime::now()).expect("date out of range");
#[cfg(all(target_arch = "wasm32", target_os = "unknown", feature = "js"))]
return Self(f64_to_uint(js_sys::Date::now() / 1000.0));
}
pub fn to_system_time(self) -> Option<SystemTime> {
UNIX_EPOCH.checked_add(Duration::from_secs(self.0.into()))
}
pub fn get(&self) -> UInt {
self.0
}
}
impl fmt::Debug for SecondsSinceUnixEpoch {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "SecondsSinceUnixEpoch({})", self.0)
}
}
#[cfg(all(target_arch = "wasm32", target_os = "unknown", feature = "js"))]
fn f64_to_uint(val: f64) -> UInt {
UInt::try_from(val as u64).expect("date out of range")
}
#[cfg(test)]
mod tests {
use std::time::{Duration, UNIX_EPOCH};
use js_int::uint;
use serde::{Deserialize, Serialize};
use serde_json::json;
use super::{MilliSecondsSinceUnixEpoch, SecondsSinceUnixEpoch};
#[derive(Clone, Debug, Deserialize, Serialize)]
struct SystemTimeTest {
millis: MilliSecondsSinceUnixEpoch,
secs: SecondsSinceUnixEpoch,
}
#[test]
fn deserialize() {
let json = json!({ "millis": 3000, "secs": 60 });
let time = serde_json::from_value::<SystemTimeTest>(json).unwrap();
assert_eq!(time.millis.to_system_time(), Some(UNIX_EPOCH + Duration::from_millis(3000)));
assert_eq!(time.secs.to_system_time(), Some(UNIX_EPOCH + Duration::from_secs(60)));
}
#[test]
fn serialize() {
let request = SystemTimeTest {
millis: MilliSecondsSinceUnixEpoch::from_system_time(UNIX_EPOCH + Duration::new(2, 0))
.unwrap(),
secs: SecondsSinceUnixEpoch(uint!(0)),
};
assert_eq!(serde_json::to_value(request).unwrap(), json!({ "millis": 2000, "secs": 0 }));
}
}