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// icaltool - a tool to get information out of ical/ics files.
// Copyright (C) 2018 Harald Eilertsen <haraldei@anduin.net>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
use ical;
use chrono::{DateTime, TimeZone, Utc};
use std::fs::File;
use std::io::BufReader;
#[derive(Default)]
struct Event {
start: Option<DateTime<Utc>>,
end: Option<DateTime<Utc>>,
summary: String,
}
fn parse_datetime(datetime: Option<String>) -> Option<DateTime<Utc>> {
if let Some(mut dt) = datetime {
if dt.is_empty() {
return None;
}
if !dt.contains("T") {
dt += "T000000";
}
Utc.datetime_from_str(&dt, "%Y%m%dT%H%M%S").ok()
}
else {
None
}
}
fn main() {
let buf = BufReader::new(File::open("test.ics").unwrap());
let calendars: Vec<_> = ical::IcalParser::new(buf)
.filter_map(|c| c.ok())
.collect();
println!("Found {} calendard in file...", calendars.len());
for c in calendars {
for e in c.events {
let mut ev = Event::default();
for p in e.properties {
match p.name.as_ref() {
"DTSTART" => ev.start = parse_datetime(p.value),
"DTEND" => ev.end = parse_datetime(p.value),
"SUMMARY" => ev.summary = p.value.unwrap_or("".to_string()),
_ => (),
}
}
println!("---> {} - {}: {}",
ev.start.unwrap_or(Utc::now()),
ev.end.unwrap_or(Utc::now()),
ev.summary);
}
}
}
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