51 lines
1.6 KiB
Rust
51 lines
1.6 KiB
Rust
use icalendar;
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use icalendar::{Component, DatePerhapsTime, CalendarDateTime, CalendarComponent};
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use chrono::NaiveDate;
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use crate::EventsCollection;
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use std::fs;
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use log::warn;
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fn cdt_as_date(cdt: &CalendarDateTime) -> NaiveDate {
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match cdt {
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CalendarDateTime::Floating(ndt) => ndt.date(),
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CalendarDateTime::Utc(ud) => ud.naive_local().date(),
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CalendarDateTime::WithTimezone{date_time, tzid: _} => date_time.date(),
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}
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}
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fn as_date(cal_date: &DatePerhapsTime) -> NaiveDate {
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match cal_date {
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DatePerhapsTime::DateTime(cdt) => cdt_as_date(cdt),
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DatePerhapsTime::Date(nd) => nd.clone()
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}
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}
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fn create_event(events: &mut EventsCollection, event: &icalendar::Event) {
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events.create(as_date(&event.get_start().unwrap()), as_date(&event.get_end().unwrap()).pred_opt().unwrap(), event.get_summary().unwrap());
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}
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pub fn load_calendar(calendar_path: &std::path::Path, events: &mut EventsCollection) {
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let mut calendar = icalendar::Calendar::new();
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let contents = match fs::read_to_string(calendar_path) {
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Ok(file_content) => file_content,
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Err(e) => { warn!("Could not read the calendar: {}", e); return; },
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};
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let res = icalendar::parser::read_calendar(&contents);
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match res {
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Ok(parsed_calendar) => { calendar.extend(parsed_calendar.components); },
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Err(e) => { warn!("Error parsing calendar {}", e); return; }
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}
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for cc in calendar.iter() {
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match cc {
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CalendarComponent::Event(event) => create_event(events, event),
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_ => (),
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}
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}
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events.sort();
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}
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