add conversion from Gregorian
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d4fc937613
commit
08029a2afd
158
ifc/src/lib.rs
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
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use chrono::{Datelike, NaiveDate};
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use serde::{Deserialize, Serialize};
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use std::convert::TryInto;
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use thiserror::Error;
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#[derive(Clone, Debug, Error, PartialEq)]
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@ -206,9 +207,27 @@ pub struct Day {
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day: u8,
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}
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impl From<chrono::NaiveDate> for Day {
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impl From<chrono::NaiveDate> for IFC {
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fn from(date: chrono::NaiveDate) -> Self {
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unimplemented!();
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if date.month() == 12 && date.day() == 31 {
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Self::YearDay(date.year())
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} else if is_leap_year(date.year()) && date.month() == 6 && date.day() == 17 {
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Self::LeapDay(date.year())
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} else {
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let mut days = date.ordinal();
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if is_leap_year(date.year())
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&& date > NaiveDate::from_ymd_opt(date.year(), 6, 17).unwrap()
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{
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days = days - 1;
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}
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let month: u8 = (days / 28).try_into().unwrap();
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let day: u8 = (days % 28).try_into().unwrap();
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Self::Day(Day {
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year: date.year(),
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month: month + 1,
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day,
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})
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}
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}
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}
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@ -586,6 +605,141 @@ mod tests {
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assert_eq!(IFC::ymd(12022, 13, 28).unwrap().week_ordinal0(), 51);
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}
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#[test]
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fn it_converts_from_gregorian() {
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12022, 1, 1).unwrap()),
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IFC::ymd(12022, 1, 1).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12022, 1, 29).unwrap()),
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IFC::ymd(12022, 2, 1).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12022, 2, 26).unwrap()),
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IFC::ymd(12022, 3, 1).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12022, 3, 26).unwrap()),
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IFC::ymd(12022, 4, 1).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12022, 4, 23).unwrap()),
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IFC::ymd(12022, 5, 1).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12022, 5, 21).unwrap()),
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IFC::ymd(12022, 6, 1).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12022, 6, 18).unwrap()),
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IFC::ymd(12022, 7, 1).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12022, 7, 16).unwrap()),
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IFC::ymd(12022, 8, 1).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12022, 8, 13).unwrap()),
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IFC::ymd(12022, 9, 1).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12022, 9, 10).unwrap()),
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IFC::ymd(12022, 10, 1).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12022, 10, 8).unwrap()),
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IFC::ymd(12022, 11, 1).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12022, 11, 5).unwrap()),
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IFC::ymd(12022, 12, 1).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12022, 12, 3).unwrap()),
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IFC::ymd(12022, 13, 1).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12022, 12, 31).unwrap()),
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IFC::YearDay(12022)
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);
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}
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#[test]
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fn it_converts_from_gregorian_on_leap_year() {
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12020, 1, 1).unwrap()),
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IFC::ymd(12020, 1, 1).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12020, 1, 29).unwrap()),
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IFC::ymd(12020, 2, 1).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12020, 2, 26).unwrap()),
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IFC::ymd(12020, 3, 1).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12020, 2, 28).unwrap()),
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IFC::ymd(12020, 3, 3).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12020, 2, 29).unwrap()),
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IFC::ymd(12020, 3, 4).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12020, 3, 1).unwrap()),
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IFC::ymd(12020, 3, 5).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12020, 3, 25).unwrap()),
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IFC::ymd(12020, 4, 1).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12020, 4, 22).unwrap()),
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IFC::ymd(12020, 5, 1).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12020, 5, 20).unwrap()),
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IFC::ymd(12020, 6, 1).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12020, 6, 17).unwrap()),
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IFC::LeapDay(12020)
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12020, 6, 18).unwrap()),
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IFC::ymd(12020, 7, 1).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12020, 7, 16).unwrap()),
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IFC::ymd(12020, 8, 1).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12020, 8, 13).unwrap()),
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IFC::ymd(12020, 9, 1).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12020, 9, 10).unwrap()),
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IFC::ymd(12020, 10, 1).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12020, 10, 8).unwrap()),
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IFC::ymd(12020, 11, 1).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12020, 11, 5).unwrap()),
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IFC::ymd(12020, 12, 1).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12020, 12, 3).unwrap()),
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IFC::ymd(12020, 13, 1).unwrap()
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);
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assert_eq!(
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IFC::from(NaiveDate::from_ymd_opt(12020, 12, 31).unwrap()),
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IFC::YearDay(12020)
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);
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}
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/*
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#[test]
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fn check_start_of_month() {
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