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add conversion from Gregorian

This commit is contained in:
Savanni D'Gerinel 2022-12-31 19:15:41 -05:00
parent d4fc937613
commit 08029a2afd
1 changed files with 156 additions and 2 deletions
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158
ifc/src/lib.rs
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@ -12,6 +12,7 @@ You should have received a copy of the GNU General Public License along with Lum
use chrono::{Datelike, NaiveDate}; use chrono::{Datelike, NaiveDate};
use serde::{Deserialize, Serialize}; use serde::{Deserialize, Serialize};
use std::convert::TryInto;
use thiserror::Error; use thiserror::Error;
#[derive(Clone, Debug, Error, PartialEq)] #[derive(Clone, Debug, Error, PartialEq)]
@ -206,9 +207,27 @@ pub struct Day {
day: u8, day: u8,
} }
impl From<chrono::NaiveDate> for Day { impl From<chrono::NaiveDate> for IFC {
fn from(date: chrono::NaiveDate) -> Self { fn from(date: chrono::NaiveDate) -> Self {
unimplemented!(); if date.month() == 12 && date.day() == 31 {
Self::YearDay(date.year())
} else if is_leap_year(date.year()) && date.month() == 6 && date.day() == 17 {
Self::LeapDay(date.year())
} else {
let mut days = date.ordinal();
if is_leap_year(date.year())
&& date > NaiveDate::from_ymd_opt(date.year(), 6, 17).unwrap()
{
days = days - 1;
}
let month: u8 = (days / 28).try_into().unwrap();
let day: u8 = (days % 28).try_into().unwrap();
Self::Day(Day {
year: date.year(),
month: month + 1,
day,
})
}
} }
} }
@ -586,6 +605,141 @@ mod tests {
assert_eq!(IFC::ymd(12022, 13, 28).unwrap().week_ordinal0(), 51); assert_eq!(IFC::ymd(12022, 13, 28).unwrap().week_ordinal0(), 51);
} }
#[test]
fn it_converts_from_gregorian() {
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12022, 1, 1).unwrap()),
IFC::ymd(12022, 1, 1).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12022, 1, 29).unwrap()),
IFC::ymd(12022, 2, 1).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12022, 2, 26).unwrap()),
IFC::ymd(12022, 3, 1).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12022, 3, 26).unwrap()),
IFC::ymd(12022, 4, 1).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12022, 4, 23).unwrap()),
IFC::ymd(12022, 5, 1).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12022, 5, 21).unwrap()),
IFC::ymd(12022, 6, 1).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12022, 6, 18).unwrap()),
IFC::ymd(12022, 7, 1).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12022, 7, 16).unwrap()),
IFC::ymd(12022, 8, 1).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12022, 8, 13).unwrap()),
IFC::ymd(12022, 9, 1).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12022, 9, 10).unwrap()),
IFC::ymd(12022, 10, 1).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12022, 10, 8).unwrap()),
IFC::ymd(12022, 11, 1).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12022, 11, 5).unwrap()),
IFC::ymd(12022, 12, 1).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12022, 12, 3).unwrap()),
IFC::ymd(12022, 13, 1).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12022, 12, 31).unwrap()),
IFC::YearDay(12022)
);
}
#[test]
fn it_converts_from_gregorian_on_leap_year() {
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12020, 1, 1).unwrap()),
IFC::ymd(12020, 1, 1).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12020, 1, 29).unwrap()),
IFC::ymd(12020, 2, 1).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12020, 2, 26).unwrap()),
IFC::ymd(12020, 3, 1).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12020, 2, 28).unwrap()),
IFC::ymd(12020, 3, 3).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12020, 2, 29).unwrap()),
IFC::ymd(12020, 3, 4).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12020, 3, 1).unwrap()),
IFC::ymd(12020, 3, 5).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12020, 3, 25).unwrap()),
IFC::ymd(12020, 4, 1).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12020, 4, 22).unwrap()),
IFC::ymd(12020, 5, 1).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12020, 5, 20).unwrap()),
IFC::ymd(12020, 6, 1).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12020, 6, 17).unwrap()),
IFC::LeapDay(12020)
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12020, 6, 18).unwrap()),
IFC::ymd(12020, 7, 1).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12020, 7, 16).unwrap()),
IFC::ymd(12020, 8, 1).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12020, 8, 13).unwrap()),
IFC::ymd(12020, 9, 1).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12020, 9, 10).unwrap()),
IFC::ymd(12020, 10, 1).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12020, 10, 8).unwrap()),
IFC::ymd(12020, 11, 1).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12020, 11, 5).unwrap()),
IFC::ymd(12020, 12, 1).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12020, 12, 3).unwrap()),
IFC::ymd(12020, 13, 1).unwrap()
);
assert_eq!(
IFC::from(NaiveDate::from_ymd_opt(12020, 12, 31).unwrap()),
IFC::YearDay(12020)
);
}
/* /*
#[test] #[test]
fn check_start_of_month() { fn check_start_of_month() {