From 4015b3777fd17c2e7c7cdb5c03f156e00f9dbff9 Mon Sep 17 00:00:00 2001
From: Mylloon <kennel.anri@tutanota.com>
Date: Fri, 3 Jan 2025 10:41:42 +0100
Subject: [PATCH] option to not use timezone

---
 src/ics.rs  | 34 ++++++++++++++++++++++------------
 src/main.rs |  6 +++++-
 2 files changed, 27 insertions(+), 13 deletions(-)

diff --git a/src/ics.rs b/src/ics.rs
index 0a7b31c..b83ebe2 100644
--- a/src/ics.rs
+++ b/src/ics.rs
@@ -9,20 +9,26 @@ use ics::{
     Event, ICalendar, Standard,
 };
 
-pub fn export(courses: Vec<crate::timetable::models::Course>, filename: &mut String) {
+pub fn export(
+    courses: Vec<crate::timetable::models::Course>,
+    filename: &mut String,
+    with_tz: bool,
+) {
     let mut calendar = ICalendar::new("2.0", "cal7tor");
 
     // Add Europe/Paris timezone
     let timezone_name = "Europe/Paris";
-    calendar.add_timezone(ics::TimeZone::standard(
-        timezone_name,
-        Standard::new(
-            // Add a Z because it's UTC
-            dt_ical(chrono::Utc.with_ymd_and_hms(1970, 1, 1, 0, 0, 0).unwrap()) + "Z",
-            "+0100",
-            "+0200",
-        ),
-    ));
+    if with_tz {
+        calendar.add_timezone(ics::TimeZone::standard(
+            timezone_name,
+            Standard::new(
+                // Add a Z because it's UTC
+                dt_ical(chrono::Utc.with_ymd_and_hms(1970, 1, 1, 0, 0, 0).unwrap()) + "Z",
+                "+0100",
+                "+0200",
+            ),
+        ));
+    }
 
     // Create events which contains the information regarding the course
     for course in courses {
@@ -50,12 +56,16 @@ pub fn export(courses: Vec<crate::timetable::models::Course>, filename: &mut Str
 
         // Start time of the course
         let mut date_start = DtStart::new(dt_ical(course.dtstart.unwrap()));
-        date_start.add(TzIDParam::new(timezone_name));
+        if with_tz {
+            date_start.add(TzIDParam::new(timezone_name));
+        }
         event.push(date_start);
 
         // End time of the course
         let mut date_end = DtEnd::new(dt_ical(course.dtend.unwrap()));
-        date_end.add(TzIDParam::new(timezone_name));
+        if with_tz {
+            date_end.add(TzIDParam::new(timezone_name));
+        }
         event.push(date_end);
 
         // Room location
diff --git a/src/main.rs b/src/main.rs
index 2a3ddd0..d3b6bd8 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -38,6 +38,10 @@ struct Args {
     /// If TD/TP start a week after courses
     #[clap(short, long)]
     week_skip: bool,
+
+    /// If the exported ICS file should not use the timezone
+    #[clap(short, long)]
+    no_tz: bool,
 }
 
 #[tokio::main]
@@ -80,7 +84,7 @@ async fn main() {
         let mut filename = args.export.unwrap();
 
         let builded_timetable = timetable::build(&timetable, &info);
-        ics::export(builded_timetable, &mut filename);
+        ics::export(builded_timetable, &mut filename, !args.no_tz);
 
         println!("Fichier .ICS construit et exporté => {filename}");
     } else {