From d2da365bd9e343dc61dc71b923ea190468a6912d Mon Sep 17 00:00:00 2001
From: jonas0b1011001 <43352574+jonas0b1011001@users.noreply.github.com>
Date: Fri, 22 Dec 2023 18:01:51 +0100
Subject: [PATCH] Fix recurrence timezone handling

#398
---
 Helpers.gs | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/Helpers.gs b/Helpers.gs
index 5f1e812..e3d255f 100644
--- a/Helpers.gs
+++ b/Helpers.gs
@@ -844,6 +844,13 @@ function parseRecurrenceRule(vevent, utcOffset){
 
   var recurrence = [];
   for (var recRule of recurrenceRules){
+    if (recRule.getParameter('tzid')){
+      let tz = recRule.getParameter('tzid').toString();
+      if (tz in tzidreplace){
+        tz = tzidreplace[tz];
+      }
+      recRule.setParameter('tzid', tz);
+    }
     var recIcal = recRule.toICALString();
     var adjustedTime;
 
@@ -858,14 +865,35 @@ function parseRecurrenceRule(vevent, utcOffset){
   }
 
   for (var exRule of exRules){
+    if (exRule.getParameter('tzid')){
+      let tz = exRule.getParameter('tzid').toString();
+      if (tz in tzidreplace){
+        tz = tzidreplace[tz];
+      }
+      exRule.setParameter('tzid', tz);
+    }
     recurrence.push(exRule.toICALString());
   }
 
   for (var exDate of exDates){
+    if (exDate.getParameter('tzid')){
+      let tz = exDate.getParameter('tzid').toString();
+      if (tz in tzidreplace){
+        tz = tzidreplace[tz];
+      }
+      exDate.setParameter('tzid', tz);
+    }
     recurrence.push(exDate.toICALString());
   }
 
   for (var rDate of rDates){
+    if (rDate.getParameter('tzid')){
+      let tz = rDate.getParameter('tzid').toString();
+      if (tz in tzidreplace){
+        tz = tzidreplace[tz];
+      }
+      rDate.setParameter('tzid', tz);
+    }
     recurrence.push(rDate.toICALString());
   }