Add a type for managing Time of Day values

This commit is contained in:
Savanni D'Gerinel 2024-01-31 08:27:42 -05:00
parent 7d14308def
commit 2cbd539bf4
1 changed files with 83 additions and 0 deletions

View File

@ -56,6 +56,66 @@ pub enum FormatOption {
Full, Full,
} }
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub struct Time(chrono::NaiveTime);
impl Time {
fn format(&self, option: FormatOption) -> String {
match option {
FormatOption::Abbreviated => self.0.format("%H:%M"),
FormatOption::Full => self.0.format("%H:%M:%S"),
}
.to_string()
}
fn parse(s: &str) -> Result<Time, ParseError> {
let parts = s
.split(':')
.map(|part| part.parse::<u32>().map_err(|_| ParseError))
.collect::<Result<Vec<u32>, ParseError>>()?;
match parts.len() {
0 => Err(ParseError),
1 => Err(ParseError),
2 => Ok(Time(
chrono::NaiveTime::from_hms_opt(parts[0], parts[1], 0).unwrap(),
)),
3 => Ok(Time(
chrono::NaiveTime::from_hms_opt(parts[0], parts[1], parts[2]).unwrap(),
)),
_ => Err(ParseError),
}
}
}
/*
impl std::ops::Add for Time {
type Output = Time;
fn add(self, rside: chrono::Duration) -> Self::Output {
Self::Output::from(self.0 + rside)
}
}
impl std::ops::Sub for Time {
type Output = Time;
fn sub(self, rside: chrono::Duration) -> Self::Output {
Self::Output::from(self.0 - rside)
}
}
*/
impl std::ops::Deref for Time {
type Target = chrono::NaiveTime;
fn deref(&self) -> &Self::Target {
&self.0
}
}
impl From<chrono::NaiveTime> for Time {
fn from(value: chrono::NaiveTime) -> Self {
Self(value)
}
}
#[derive(Clone, Copy, Debug, Default, PartialEq, PartialOrd)] #[derive(Clone, Copy, Debug, Default, PartialEq, PartialOrd)]
pub struct Weight(si::Kilogram<f64>); pub struct Weight(si::Kilogram<f64>);
@ -268,4 +328,27 @@ mod test {
"1 hours 10 minutes" "1 hours 10 minutes"
); );
} }
#[test]
fn it_parses_time_values() {
assert_eq!(
Time::parse("13:25"),
Ok(Time::from(
chrono::NaiveTime::from_hms_opt(13, 25, 0).unwrap()
)),
);
assert_eq!(
Time::parse("13:25:50"),
Ok(Time::from(
chrono::NaiveTime::from_hms_opt(13, 25, 50).unwrap()
)),
);
}
#[test]
fn it_formats_time_values() {
let time = Time::from(chrono::NaiveTime::from_hms_opt(13, 25, 50).unwrap());
assert_eq!(time.format(FormatOption::Abbreviated), "13:25".to_owned());
assert_eq!(time.format(FormatOption::Full), "13:25:50".to_owned());
}
} }