make default duration 3 hrs (to have a larger block in the cal)

src/model/event.rs

@@ -1,8 +1,8 @@
 use std::io::Write;
 
-use chrono::NaiveDate;
+use chrono::{Duration, NaiveDate, NaiveTime};
 use ics::{
-    properties::{DtStart, Summary},
+    properties::{DtEnd, DtStart, Summary},
     ICalendar,
 };
 use serde::Serialize;
@@ -452,6 +452,20 @@ WHERE trip_details.id=?
             self.day.replace('-', ""),
             self.planned_starting_time.replace(':', "")
         )));
+
+        let original_time = NaiveTime::parse_from_str(&self.planned_starting_time, "%H:%M")
+            .expect("Failed to parse time");
+        let later_time = original_time + Duration::hours(3);
+        if later_time > original_time {
+            // Check if no day-overflow
+            let time_three_hours_later = later_time.format("%H%M").to_string();
+            vevent.push(DtEnd::new(format!(
+                "{}T{}00",
+                self.day.replace('-', ""),
+                time_three_hours_later
+            )));
+        }
+
         let tripdetails = self.trip_details(db).await;
         let mut name = String::new();
         if self.is_cancelled() {

src/model/trip.rs

@@ -1,5 +1,5 @@
-use chrono::{Local, NaiveDate};
-use ics::properties::{DtStart, Summary};
+use chrono::{Duration, Local, NaiveDate, NaiveTime};
+use ics::properties::{DtEnd, DtStart, Summary};
 use serde::Serialize;
 use sqlx::SqlitePool;
 
@@ -145,6 +145,20 @@ WHERE trip_details.id=?
             self.day.replace('-', ""),
             self.planned_starting_time.replace(':', "")
         )));
+
+        let original_time = NaiveTime::parse_from_str(&self.planned_starting_time, "%H:%M")
+            .expect("Failed to parse time");
+        let later_time = original_time + Duration::hours(3);
+        if later_time > original_time {
+            // Check if no day-overflow
+            let time_three_hours_later = later_time.format("%H%M").to_string();
+            vevent.push(DtEnd::new(format!(
+                "{}T{}00",
+                self.day.replace('-', ""),
+                time_three_hours_later
+            )));
+        }
+
         let mut name = String::new();
         if self.is_cancelled() {
             name.push_str("ABGESAGT");