properly send created repeatable event exception to the adapter

app/src/main/kotlin/com/simplemobiletools/calendar/activities/EventActivity.kt

@@ -505,7 +505,7 @@ class EventActivity : SimpleActivity() {
             if (it) {
                 dbHelper.deleteEvents(arrayOf(mEvent.id.toString()), true)
             } else {
-                dbHelper.addEventRepeatException(mEvent.id, mEventOccurrenceTS)
+                dbHelper.addEventRepeatException(mEvent.id, mEventOccurrenceTS, true)
             }
             finish()
         }
@@ -595,7 +595,7 @@ class EventActivity : SimpleActivity() {
                             eventUpdated()
                         }
                     } else {
-                        dbHelper.addEventRepeatException(mEvent.id, mEventOccurrenceTS)
+                        dbHelper.addEventRepeatException(mEvent.id, mEventOccurrenceTS, true)
                         mEvent.parentId = mEvent.id
                         mEvent.id = 0
                         dbHelper.insert(mEvent, true) {

app/src/main/kotlin/com/simplemobiletools/calendar/fragments/DayFragment.kt

@@ -163,7 +163,7 @@ class DayFragment : Fragment(), DeleteEventsListener {
 
     override fun addEventRepeatException(parentIds: ArrayList<Int>, timestamps: ArrayList<Int>) {
         parentIds.forEachIndexed { index, value ->
-            context!!.dbHelper.addEventRepeatException(parentIds[index], timestamps[index])
+            context!!.dbHelper.addEventRepeatException(parentIds[index], timestamps[index], true)
         }
         (activity as DayActivity).recheckEvents()
     }

app/src/main/kotlin/com/simplemobiletools/calendar/fragments/EventListFragment.kt

@@ -123,7 +123,7 @@ class EventListFragment : Fragment(), DeleteEventsListener {
 
     override fun addEventRepeatException(parentIds: ArrayList<Int>, timestamps: ArrayList<Int>) {
         parentIds.forEachIndexed { index, value ->
-            context!!.dbHelper.addEventRepeatException(value, timestamps[index])
+            context!!.dbHelper.addEventRepeatException(value, timestamps[index], true)
         }
         checkEvents()
     }

app/src/main/kotlin/com/simplemobiletools/calendar/helpers/CalDAVHandler.kt

@@ -22,15 +22,14 @@ import kotlin.collections.ArrayList
 
 class CalDAVHandler(val context: Context) {
     fun refreshCalendars(activity: SimpleActivity? = null, callback: () -> Unit) {
-        val dbHelper = context.dbHelper
         for (calendar in getCalDAVCalendars(activity, context.config.caldavSyncedCalendarIDs)) {
-            val localEventType = dbHelper.getEventTypeWithCalDAVCalendarId(calendar.id) ?: continue
+            val localEventType = context.dbHelper.getEventTypeWithCalDAVCalendarId(calendar.id) ?: continue
             localEventType.apply {
                 title = calendar.displayName
                 caldavDisplayName = calendar.displayName
                 caldavEmail = calendar.accountName
                 color = calendar.color
-                dbHelper.updateLocalEventType(this)
+                context.dbHelper.updateLocalEventType(this)
             }
 
             CalDAVHandler(context).fetchCalDAVCalendarEvents(calendar.id, localEventType.id, activity)
@@ -264,7 +263,7 @@ class CalDAVHandler(val context: Context) {
                             val parentEventId = context.dbHelper.getEventIdWithImportId(parentImportId)
                             if (parentEventId != 0) {
                                 event.parentId = parentEventId
-                                context.dbHelper.addEventRepeatException(parentEventId, (originalInstanceTime / 1000).toInt(), event.importId)
+                                context.dbHelper.addEventRepeatException(parentEventId, (originalInstanceTime / 1000).toInt(), false, event.importId)
                             }
                         }
 
@@ -394,6 +393,23 @@ class CalDAVHandler(val context: Context) {
         }
     }
 
+    fun insertEventRepeatException(event: Event, occurrenceTS: Int) {
+        val uri = CalendarContract.Events.CONTENT_URI
+        val values = fillEventRepeatExceptionValues(event, occurrenceTS)
+        context.contentResolver.insert(uri, values)
+    }
+
+    private fun fillEventRepeatExceptionValues(event: Event, occurrenceTS: Int): ContentValues {
+        return ContentValues().apply {
+            put(CalendarContract.Events.CALENDAR_ID, event.getCalDAVCalendarId())
+            put(CalendarContract.Events.DTSTART, 0)
+            put(CalendarContract.Events.DTEND, 0)
+            put(CalendarContract.Events.ORIGINAL_ID, event.getCalDAVEventId())
+            put(CalendarContract.Events.EVENT_TIMEZONE, TimeZone.getDefault().toString())
+            put(CalendarContract.Events.ORIGINAL_INSTANCE_TIME, occurrenceTS * 1000L)
+        }
+    }
+
     private fun getCalDAVEventReminders(eventId: Long): List<Int> {
         val reminders = ArrayList<Int>()
         val uri = CalendarContract.Reminders.CONTENT_URI

app/src/main/kotlin/com/simplemobiletools/calendar/helpers/DBHelper.kt

@@ -319,7 +319,7 @@ class DBHelper private constructor(val context: Context) : SQLiteOpenHelper(cont
         }
     }
 
-    private fun fillExceptionValues(parentEventId: Int, occurrenceTS: Int, childImportId: String?, callback: (values: ContentValues) -> Unit) {
+    private fun fillExceptionValues(parentEventId: Int, occurrenceTS: Int, addToCalDAV: Boolean, childImportId: String?, callback: (values: ContentValues) -> Unit) {
         val childEvent = getEventWithId(parentEventId)
         if (childEvent == null) {
             callback(ContentValues())
@@ -337,12 +337,22 @@ class DBHelper private constructor(val context: Context) : SQLiteOpenHelper(cont
         }
 
         insert(childEvent, false) {
-            callback(ContentValues().apply {
+            val exceptionValues = ContentValues().apply {
                 put(COL_PARENT_EVENT_ID, parentEventId)
                 put(COL_OCCURRENCE_TIMESTAMP, occurrenceTS)
                 put(COL_OCCURRENCE_DAYCODE, Formatter.getDayCodeFromTS(occurrenceTS))
                 put(COL_CHILD_EVENT_ID, it)
-            })
+            }
+            callback(exceptionValues)
+
+            Thread {
+                if (addToCalDAV && context.config.caldavSync) {
+                    val parentEvent = getEventWithId(parentEventId)
+                    if (parentEvent != null) {
+                        CalDAVHandler(context).insertEventRepeatException(parentEvent, occurrenceTS)
+                    }
+                }
+            }.start()
         }
     }
 
@@ -496,8 +506,8 @@ class DBHelper private constructor(val context: Context) : SQLiteOpenHelper(cont
         }
     }
 
-    fun addEventRepeatException(parentEventId: Int, occurrenceTS: Int, childImportId: String? = null) {
+    fun addEventRepeatException(parentEventId: Int, occurrenceTS: Int, addToCalDAV: Boolean, childImportId: String? = null) {
-        fillExceptionValues(parentEventId, occurrenceTS, childImportId) {
+        fillExceptionValues(parentEventId, occurrenceTS, addToCalDAV, childImportId) {
             mDb.insert(EXCEPTIONS_TABLE_NAME, null, it)
 
             val parentEvent = getEventWithId(parentEventId)

app/src/main/kotlin/com/simplemobiletools/calendar/helpers/IcsImporter.kt

@@ -134,7 +134,7 @@ class IcsImporter(val activity: SimpleActivity) {
                         if (eventToUpdate == null) {
                             activity.dbHelper.insert(event, false) {
                                 for (exceptionTS in curRepeatExceptions) {
-                                    activity.dbHelper.addEventRepeatException(it, exceptionTS)
+                                    activity.dbHelper.addEventRepeatException(it, exceptionTS, false)
                                 }
                                 existingEvents.add(event)
                             }