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Implement simple duration parsing

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This commit is contained in:
FliegendeWurst 2020-11-15 10:40:15 +01:00
parent 28155d08df
commit 425ec06477
1 changed files with 18 additions and 5 deletions
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23
src/ical_parsing.rs
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@ -1,4 +1,6 @@
use chrono::{Duration, NaiveDateTime, NaiveDate};
use chrono::{Duration, NaiveDate, NaiveDateTime};
use once_cell::sync::Lazy;
use regex::Regex;
use ical::parser::ical::component::IcalEvent;
use ical::parser::ical::IcalParser;
use thiserror::Error;
@ -75,7 +77,11 @@ fn process_event(event: IcalEvent) -> Result<Event, Error> {
}
// TODO: don't put defaults here
let start = start.ok_or(Error::Data("no dtstart"))?;
let end = end.ok_or(Error::Data("no dtend"))?;
let end = if end.is_none() && duration.is_some() {
start + duration.unwrap()
} else {
end.ok_or(Error::Data("no dtend"))?
};
Ok(Event {
uid: uid.unwrap_or_default(),
summary: summary.unwrap_or_default(),
@ -104,9 +110,16 @@ fn process_dt(value: &str) -> Result<NaiveDateTime, Error> {
Ok(NaiveDate::from_ymd(year, month, day).and_hms(hour, minute, second))
}
fn process_duration(_value: &str) -> Result<Duration, Error> {
// TODO
Err(Error::Data("duration parsing not implemented"))
pub static DURATION_PATTERN: Lazy<Regex> = Lazy::new(|| {
Regex::new(r#"PT(\d+)H(\d+)M"#).unwrap()
});
fn process_duration(value: &str) -> Result<Duration, Error> {
if let Some(data) = DURATION_PATTERN.captures(value) {
Ok(Duration::minutes(data[1].parse::<i64>().unwrap() * 60 + data[2].parse::<i64>().unwrap()))
} else {
Err(Error::Data("duration parsing not implemented"))
}
}
#[derive(Error, Debug)]