forked from Anri/cal8tor
76 lines
2.3 KiB
Rust
76 lines
2.3 KiB
Rust
use chrono::TimeZone;
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use ics::{
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parameters,
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properties::{Class, Description, DtEnd, DtStart, Location, Summary, Transp},
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Event, ICalendar, Standard,
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};
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pub fn export(courses: Vec<crate::timetable::models::Course>, filename: String) {
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let mut calendar = ICalendar::new("2.0", "cal8tor");
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// Add Europe/Paris timezone
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let timezone_name = "Europe/Paris";
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calendar.add_timezone(ics::TimeZone::standard(
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timezone_name,
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Standard::new(
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// Add a Z because it's UTC
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dt_ical(chrono::Utc.ymd(1970, 1, 1).and_hms(0, 0, 0)) + "Z",
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"+0100",
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"+0200",
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),
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));
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// Create events which contains the information regarding the course
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for course in courses {
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let mut event = Event::new(
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uuid::Uuid::new_v4().to_string(),
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// Add a Z because it's UTC
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dt_ical(chrono::Utc::now()) + "Z",
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);
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// Public event
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event.push(Class::public());
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// Consume actual time
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event.push(Transp::opaque());
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// Professor's name
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if course.professor.is_some() {
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event.push(Description::new(course.professor.unwrap()));
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}
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// Start time of the course
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let mut date_start = DtStart::new(dt_ical(course.dtstart.unwrap()));
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date_start.append(parameters!("TZID" => timezone_name));
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event.push(date_start);
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// End time of the course
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let mut date_end = DtEnd::new(dt_ical(course.dtend.unwrap()));
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date_end.append(parameters!("TZID" => timezone_name));
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event.push(date_end);
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// Room location
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event.push(Location::new(course.room));
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// Course's name
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let mut course_name = Summary::new(course.name);
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course_name.append(parameters!("LANGUAGE" => "fr"));
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event.push(course_name);
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// Add the course to the calendar
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calendar.add_event(event);
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}
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calendar
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.save_file(match filename {
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x if x.ends_with(".ics") => x,
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x => format!("{}.ics", x),
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})
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.unwrap();
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}
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/// Transform the datetime from chrono to the ICS format
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/// See <https://github.com/hummingly/ics/issues/17#issue-985662287>
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fn dt_ical(dt: chrono::DateTime<chrono::Utc>) -> String {
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format!("{}", dt.format("%Y%m%dT%H%M%S"))
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}
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