2016-10-01 15:35:06 +00:00
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//
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// imag - the personal information management suite for the commandline
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// Copyright (C) 2015, 2016 Matthias Beyer <mail@beyermatthias.de> and contributors
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; version
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// 2.1 of the License.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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//
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2016-05-28 15:53:13 +00:00
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use chrono::naive::date::NaiveDate as ChronoNaiveDate;
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use parse::Parse;
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pub struct Date {
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year: i32,
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month: u32,
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day: u32,
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}
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impl Date {
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2016-05-28 18:21:42 +00:00
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pub fn new(year: i32, month: u32, day: u32) -> Date {
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Date {
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year: year,
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month: month,
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day: day,
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}
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}
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pub fn year(&self) -> i32 {
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self.year
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}
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pub fn month(&self) -> u32 {
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self.month
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}
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pub fn day(&self) -> u32 {
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self.day
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2016-05-28 15:53:13 +00:00
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}
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}
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impl Into<ChronoNaiveDate> for Date {
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fn into(self) -> ChronoNaiveDate {
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ChronoNaiveDate::from_ymd(self.year, self.month, self.day)
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}
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}
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impl Parse for Date {
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2016-05-28 18:12:55 +00:00
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/// Parse the date part of the full string into a Date object
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2016-05-28 15:53:13 +00:00
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fn parse(s: &str) -> Option<Date> {
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2016-05-28 18:12:55 +00:00
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use std::str::FromStr;
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use regex::Regex;
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use parse::time_parse_regex;
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lazy_static! {
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static ref R: Regex = Regex::new(time_parse_regex()).unwrap();
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}
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R.captures(s)
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.and_then(|capts| {
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2017-01-30 10:37:10 +00:00
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let year = capts.name("Y").and_then(|o| FromStr::from_str(o.as_str()).ok());
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let month = capts.name("M").and_then(|o| FromStr::from_str(o.as_str()).ok());
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let day = capts.name("D").and_then(|o| FromStr::from_str(o.as_str()).ok());
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2016-05-28 18:12:55 +00:00
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2016-08-04 12:18:13 +00:00
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let year = match year {
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None => {
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debug!("No year");
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return None;
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},
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Some(x) => x,
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};
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let month = match month {
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None => {
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debug!("No month");
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return None;
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},
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Some(x) => x,
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};
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let day = match day {
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None => {
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debug!("No day");
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return None;
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},
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Some(x) => x,
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};
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Some(Date::new(year, month, day))
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2016-05-28 18:12:55 +00:00
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})
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}
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}
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#[cfg(test)]
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mod test {
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use super::Date;
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use parse::Parse;
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#[test]
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fn test_valid() {
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let s = "2016-02-01";
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let d = Date::parse(s);
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assert!(d.is_some());
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let d = d.unwrap();
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assert_eq!(2016, d.year());
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assert_eq!(2, d.month());
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assert_eq!(1, d.day());
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}
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#[test]
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fn test_invalid() {
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assert!(Date::parse("2016-021-01").is_none());
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assert!(Date::parse("2016-02-012").is_none());
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assert!(Date::parse("2016-02-0").is_none());
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assert!(Date::parse("2016-0-02").is_none());
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assert!(Date::parse("2016-02").is_none());
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assert!(Date::parse("2016-2").is_none());
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2016-05-28 15:53:13 +00:00
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}
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}
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