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use chrono::{DateTime, Local, NaiveDate, Utc};
use ical_rust::*;
fn main() {
let e: DateOrDateTime = DateOrDateTime::WholeDay(NaiveDate::from_ymd_opt(2022, 2, 10).unwrap());
let dt_start = DateOrDateTime::date_time(
DateTime::parse_from_str("20220201T103000Z", "%Y%m%dT%H%M%S%#z")
.unwrap()
.with_timezone(&Utc),
);
let dt_end = DateOrDateTime::date_time(
DateTime::parse_from_str("20220210T103000Z", "%Y%m%dT%H%M%S%#z")
.unwrap()
.with_timezone(&Utc),
);
assert_eq!(
e.intersects(dt_start, dt_end).unwrap(),
EventOverlap::StartsPastEndsSameDay
);
let path = std::env::args()
.nth(1)
.unwrap_or_else(|| "/home/mindflavor/tmp/basic.ics.1".to_owned());
let Ok(whole_file) = std::fs::read_to_string(path) else {
return;
};
//let contents = whole_file.split("\r\n").collect::<Vec<_>>();
//let ical_lines: &[String] = &ICalLineParser::new(&contents).collect::<Vec<_>>();
////println!("ical_lines == {:?}", ical_lines);
//let block: Block = ical_lines.try_into().unwrap();
//println!("block == {block:?}\n");
//let hm = block.inner_blocks.iter().map(|b| b.name()).fold(
// HashMap::new(),
// |mut accum: HashMap<&str, u32>, item| {
// let v = accum.entry(item).or_insert(0);
// *v += 1;
// accum
// },
//);
//println!("hm== {hm:?}\n");
//block
// .inner_blocks
// .iter()
// .filter(|b| b.name == "VTIMEZONE")
// .for_each(|b| println!("b == {b:?}"));
let cal: VCalendar = whole_file.as_str().try_into().unwrap();
//println!("\n cal== {cal:?}\n");
//let v_calendar = VCalendar::try_from(contents).unwrap();
////println!("v_calendar == {:?}\n", v_calendar);
//let uscita_lisa = v_calendar
// .events
// .iter()
// .filter(|item| item.summary == "Uscita Lisa")
// .collect::<Vec<_>>();
//for uscita in uscita_lisa {
// println!("{:?}\n", uscita);
//}
////let no_sequence_cnt = v_calendar
//// .events
//// .iter()
//// .filter(|item| item.sequence == 4)
//// .count();
////println!("no_sequence_cnt = {}", no_sequence_cnt);
////let mut rrules = v_calendar
//// .events
//// .iter()
//// .filter(|item| item.rrule.is_some())
//// .map(|item| item.rrule.as_ref().unwrap())
//// .fold(HashMap::new(), |mut hm: HashMap<&RRule, u32>, item| {
//// let val = hm.entry(item).or_default();
//// *val += 1;
//// hm
//// })
//// .into_iter()
//// .collect::<Vec<_>>();
////rrules.sort_by(|(_, val1), (_, val2)| val2.cmp(val1));
////println!("rrules = {:?}", rrules);
////println!("unhandled:");
////for item in rrules.iter().filter(|(rrule, _)| match rrule {
//// RRule::Generic(_) => true,
//// _ => false,
////}) {
//// println!("item == {:?}", item);
////}
////for item in v_calendar.events.iter().filter(|i| i.dt_end.is_none()) {
//// println!("{:?}", item);
////}
//println!();
//let list = v_calendar
// .events
// .iter()
// //.filter(|i| matches!(i.rrule, Some(RRule::Yearly(_))))
// .filter(|e| e.summary == "Ritiro bimbe dal bus")
// .collect::<Vec<_>>();
//println!("found {} items!", list.len());
//for (i, item) in list.iter().enumerate() {
// println!("item [{}] == {:?}", i, item);
//}
//let item = list[0];
//println!("\n{:?}", item);
//return;
//for occurrence in item.into_iter() {
// println!("occurrence == {:?}", occurrence);
//}
//let dt = DateTime::parse_from_str("20220119T103000Z", "%Y%m%dT%H%M%S%#z")
// .unwrap()
// .with_timezone(&Utc);
//item.next_occurrence_since(dt).unwrap();
// find occurrences tomorrow!
let dt = DateOrDateTime::date_time(Utc::now());
println!("\n\tdt == {dt:?}");
for event in cal.events.iter() {
let next_occurrence = event.next_occurrence_since(dt).unwrap();
if let Some(next_occurrence) = next_occurrence {
match next_occurrence.event_overlap {
EventOverlap::StartsFuture | EventOverlap::FinishesPast => continue,
_ => {
let a = next_occurrence.occurrence.start.as_datetime();
let local = a.with_timezone(&Local);
println!(
"event.summary \"{}\" ==> {next_occurrence:?} (local : {local:?})",
event.summary
);
}
}
}
}
let events_to_check = cal
.events
.iter()
.filter(|e| e.summary == "Esame papà")
.collect::<Vec<_>>();
println!("\nevents_to_check == {events_to_check:#?}");
//let dt = Utc::now().date() + chrono::Duration::days(3);
//println!("\nevent to check == {:?}", event_to_check);
//let next_occurrence = event_to_check.next_occurrence_since(dt).unwrap();
//println!("next_occurrence == {:?}", next_occurrence);
////let mut curr = Some(item.first_occurrence());
////while let Some(start) = curr {
//// println!("{:?}", start);
//// curr = item.next_occurrence(start);
////}
}
#[cfg(test)]
#[path = "tests/main.rs"]
mod tests;