From 5ee19b7bfc37a4ea727e6012d441a8727495a1f1 Mon Sep 17 00:00:00 2001
From: tibbi <tibor@kaputa.sk>
Date: Fri, 16 Nov 2018 18:13:00 +0100
Subject: [PATCH] avoid duplicating repeat exception dates at events

---
 .../simplemobiletools/calendar/pro/helpers/EventsHelper.kt | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/app/src/main/kotlin/com/simplemobiletools/calendar/pro/helpers/EventsHelper.kt b/app/src/main/kotlin/com/simplemobiletools/calendar/pro/helpers/EventsHelper.kt
index b811f6484..6085ee251 100644
--- a/app/src/main/kotlin/com/simplemobiletools/calendar/pro/helpers/EventsHelper.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/calendar/pro/helpers/EventsHelper.kt
@@ -189,9 +189,10 @@ class EventsHelper(val context: Context) {
     fun addEventRepetitionException(parentEventId: Long, occurrenceTS: Long, addToCalDAV: Boolean) {
         Thread {
             val parentEvent = eventsDB.getEventWithId(parentEventId) ?: return@Thread
-            val parentEventRepetitionExceptions = parentEvent.repetitionExceptions
-            parentEventRepetitionExceptions.add(Formatter.getDayCodeFromTS(occurrenceTS))
-            eventsDB.updateEventRepetitionExceptions(parentEventRepetitionExceptions, parentEventId)
+            var repetitionExceptions = parentEvent.repetitionExceptions
+            repetitionExceptions.add(Formatter.getDayCodeFromTS(occurrenceTS))
+            repetitionExceptions = repetitionExceptions.distinct().toMutableList() as ArrayList<String>
+            eventsDB.updateEventRepetitionExceptions(repetitionExceptions, parentEventId)
             context.scheduleNextEventReminder(parentEvent)
 
             if (addToCalDAV && config.caldavSync) {