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