riki/treehouse
riki/treehouse
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Code Issues 14 Activity

remove treehouse-format crate and collapse everything into src

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りき萌 2025-07-10 16:50:41 +02:00
parent ca127a9411
commit b792688776
66 changed files with 145 additions and 112 deletions
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78
src/fun/seasons.rs Normal file
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use chrono::{Datelike, Utc};
use serde::{Deserialize, Serialize};
#[derive(Debug, Clone, Copy, PartialEq, Eq, Deserialize, Serialize)]
#[serde(rename_all = "snake_case")]
pub enum Season {
Spring,
Summer,
Autumn,
Winter,
}
impl Season {
pub fn on(month: u32, day: u32) -> Option<Season> {
let md = (month, day);
Some(match () {
_ if ((1, 1)..=(3, 20)).contains(&md) => Season::Winter,
_ if ((3, 21)..=(6, 21)).contains(&md) => Season::Spring,
_ if ((6, 22)..=(9, 22)).contains(&md) => Season::Summer,
_ if ((9, 23)..=(12, 21)).contains(&md) => Season::Autumn,
_ if ((12, 22)..=(12, 31)).contains(&md) => Season::Winter,
// Just in case something really darn weird happens to the calendar.
_ => return None,
})
}
pub fn current() -> Option<Season> {
let now = Utc::now();
Self::on(now.month(), now.day())
}
}
#[cfg(test)]
mod tests {
use crate::fun::seasons::Season;
#[test]
fn all_the_seasons() {
assert_eq!(Season::on(0, 0), None);
assert_eq!(Season::on(1, 1), Some(Season::Winter));
assert_eq!(Season::on(1, 15), Some(Season::Winter));
assert_eq!(Season::on(1, 31), Some(Season::Winter));
assert_eq!(Season::on(2, 1), Some(Season::Winter));
assert_eq!(Season::on(2, 28), Some(Season::Winter));
assert_eq!(Season::on(2, 29), Some(Season::Winter));
assert_eq!(Season::on(3, 1), Some(Season::Winter));
assert_eq!(Season::on(3, 20), Some(Season::Winter));
assert_eq!(Season::on(3, 21), Some(Season::Spring));
assert_eq!(Season::on(3, 22), Some(Season::Spring));
assert_eq!(Season::on(4, 1), Some(Season::Spring));
assert_eq!(Season::on(4, 30), Some(Season::Spring));
assert_eq!(Season::on(5, 1), Some(Season::Spring));
assert_eq!(Season::on(5, 31), Some(Season::Spring));
assert_eq!(Season::on(6, 1), Some(Season::Spring));
assert_eq!(Season::on(6, 21), Some(Season::Spring));
assert_eq!(Season::on(6, 22), Some(Season::Summer));
assert_eq!(Season::on(6, 30), Some(Season::Summer));
assert_eq!(Season::on(7, 1), Some(Season::Summer));
assert_eq!(Season::on(7, 31), Some(Season::Summer));
assert_eq!(Season::on(8, 1), Some(Season::Summer));
assert_eq!(Season::on(8, 31), Some(Season::Summer));
assert_eq!(Season::on(9, 1), Some(Season::Summer));
assert_eq!(Season::on(9, 22), Some(Season::Summer));
assert_eq!(Season::on(9, 23), Some(Season::Autumn));
assert_eq!(Season::on(9, 30), Some(Season::Autumn));
assert_eq!(Season::on(10, 1), Some(Season::Autumn));
assert_eq!(Season::on(10, 31), Some(Season::Autumn));
assert_eq!(Season::on(11, 1), Some(Season::Autumn));
assert_eq!(Season::on(11, 30), Some(Season::Autumn));
assert_eq!(Season::on(12, 1), Some(Season::Autumn));
assert_eq!(Season::on(12, 21), Some(Season::Autumn));
assert_eq!(Season::on(12, 22), Some(Season::Winter));
assert_eq!(Season::on(12, 22), Some(Season::Winter));
assert_eq!(Season::on(12, 31), Some(Season::Winter));
assert_eq!(Season::on(12, 32), None);
assert_eq!(Season::on(21, 37), None);
}
}