yfunc_rust/
ytime.rs

1use chrono::{DateTime, Duration, FixedOffset, SecondsFormat, Utc};
2use serde::{Serialize, Serializer};
3
4use crate::prelude::*;
5
6#[derive(Debug)]
7pub struct YTime(DateTime<Utc>);
8
9impl YTime {
10
11    pub fn origin(&self) -> DateTime<Utc> {
12        self.0
13    }
14
15    pub fn now() -> Self {
16        Self(Utc::now())
17    }
18
19    pub fn from_str(rfc3339_time_str: &str) -> YRes<Self> {
20        let dt = DateTime::parse_from_rfc3339(rfc3339_time_str).map_err(|e|
21            err!("build YTime from rfc3339 format string failed").trace(
22                ctx!("build YTime from rfc3339 format string: DateTime::parse_from_rfc3339 failed", rfc3339_time_str, e)
23            )
24        )?;
25        let utc = dt.with_timezone(&Utc);
26        Ok(Self(utc))
27    }
28
29    pub fn to_str(&self) -> String {
30        self.0.to_rfc3339_opts(SecondsFormat::Millis, true)
31    }
32
33    pub fn east8(&self) -> YRes<String> {
34        let offset = FixedOffset::east_opt(8 * 3600).ok_or(
35            err!("get time string of YTime in east8 timezone failed").trace(
36                ctx!("get time string of YTime in east8 timezone: FixedOffset::east_opt failed")
37            )
38        )?;
39        let east8_time = self.0.with_timezone(&offset);
40        Ok(east8_time.format("%Y-%m-%d %H:%M:%S").to_string())
41    }
42
43    pub fn duration(&self, seconds: i64) -> YTime {
44        YTime(self.0 + Duration::seconds(seconds))
45    }
46
47    pub fn timestamp(&self) -> i64 {
48        self.0.timestamp_millis()
49    }
50
51}
52
53impl Serialize for YTime {
54    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
55    where
56        S: Serializer,
57    {
58        serializer.serialize_str(&self.to_str())
59    }
60}
yfunc_rust/ytime.rs

yfunc_rust/
ytime.rs
