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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| use std::fmt::{Display, Formatter}; | ||
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| use anyhow::Result; | ||
| use chrono::{DateTime, Local}; | ||
| use rsntp::AsyncSntpClient; | ||
| use serde::Serialize; | ||
|
|
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| /// Returns the system date. | ||
| pub async fn date() -> Result<Date> { | ||
| let dt = Local::now(); | ||
| let now_with_tz = dt.with_timezone(&Local); | ||
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|
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| Ok(now_with_tz.into()) | ||
| } | ||
|
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| #[derive(Serialize)] | ||
| pub struct Date { | ||
| day_name: String, | ||
| day_number: u8, | ||
| month_name: String, | ||
| year: i32, | ||
| week_number: u8, | ||
| } | ||
|
|
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| impl Display for Date { | ||
| fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result { | ||
| write!(f, "{}", self.day_name)?; | ||
| write!(f, ", {} {}", self.day_number, self.month_name)?; | ||
| write!(f, ", {}", self.year)?; | ||
| write!(f, ", week {}", self.week_number) | ||
| } | ||
| } | ||
|
|
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| impl From<DateTime<Local>> for Date { | ||
| fn from(dt: DateTime<Local>) -> Self { | ||
| Date { | ||
| day_name: dt.format("%A").to_string(), | ||
| day_number: dt.format("%d").to_string().parse::<u8>().unwrap(), | ||
| month_name: dt.format("%B").to_string(), | ||
| year: dt.format("%Y").to_string().parse::<i32>().unwrap(), | ||
| week_number: dt.format("%U").to_string().parse::<u8>().unwrap(), | ||
| } | ||
| } | ||
| } | ||
|
|
||
| /// Returns the system time. | ||
| pub async fn time() -> Result<Time> { | ||
| let sntp_client = AsyncSntpClient::new(); | ||
| let sntp_time = sntp_client.synchronize("pool.ntp.org").await?; | ||
| let now = sntp_time.datetime().into_chrono_datetime()?; | ||
| let now_with_tz = now.with_timezone(&Local); | ||
|
|
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| let mut t = Time::from(now_with_tz); | ||
| t.offset = sntp_time.clock_offset().as_secs_f64(); | ||
|
|
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| Ok(t) | ||
| } | ||
|
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| #[derive(Serialize)] | ||
| pub struct Time { | ||
| hour: u8, | ||
| minute: u8, | ||
| second: u8, | ||
| timezone: String, | ||
| offset: f64, | ||
| } | ||
|
|
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| impl Display for Time { | ||
| fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result { | ||
| write!(f, "{}", self.hour)?; | ||
| write!(f, ":{}", self.minute)?; | ||
| write!(f, ":{}", self.second)?; | ||
| write!(f, " UTC {}", self.timezone)?; | ||
| write!(f, "\n±{:.4} seconds", self.offset) | ||
| } | ||
| } | ||
|
|
||
| impl From<DateTime<Local>> for Time { | ||
| fn from(dt: DateTime<Local>) -> Self { | ||
| Time { | ||
| hour: dt.format("%H").to_string().parse::<u8>().unwrap(), | ||
| minute: dt.format("%M").to_string().parse::<u8>().unwrap(), | ||
| second: dt.format("%S").to_string().parse::<u8>().unwrap(), | ||
| timezone: dt.format("%Z").to_string(), | ||
| offset: 0.0, | ||
| } | ||
| } | ||
| } | ||
|
|
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| /// Returns the system date and time. | ||
| pub async fn datetime() -> Result<Datetime> { | ||
| let date = date().await?; | ||
| let time = time().await?; | ||
|
|
||
| Ok(Datetime { date, time }) | ||
| } | ||
|
|
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| #[derive(Serialize)] | ||
| pub struct Datetime { | ||
| date: Date, | ||
| time: Time, | ||
| } | ||
|
|
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| impl Display for Datetime { | ||
| fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result { | ||
| write!(f, "{}", self.date)?; | ||
| write!(f, "\n{}", self.time) | ||
| } | ||
| } |
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