Merge pull request #399 from derekantrican/jonas0b1011001-recurrence-tz

Fix recurrence timezone handling

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());
   }