Exclude linked devices from group member options

src/org/thoughtcrime/securesms/loki/redesign/activities/CreateClosedGroupLoader.kt

@@ -3,6 +3,7 @@ package org.thoughtcrime.securesms.loki.redesign.activities
 import android.content.Context
 import org.thoughtcrime.securesms.database.DatabaseFactory
 import org.thoughtcrime.securesms.util.AsyncLoader
+import org.thoughtcrime.securesms.util.TextSecurePreferences
 import org.whispersystems.signalservice.loki.messaging.LokiThreadFriendRequestStatus
 
 class CreateClosedGroupLoader(context: Context) : AsyncLoader<List<String>>(context) {
@@ -10,6 +11,12 @@ class CreateClosedGroupLoader(context: Context) : AsyncLoader<List<String>>(cont
     override fun loadInBackground(): List<String> {
         val threadDatabase = DatabaseFactory.getThreadDatabase(context)
         val lokiThreadDatabase = DatabaseFactory.getLokiThreadDatabase(context)
+        val userHexEncodedPublicKey = TextSecurePreferences.getLocalNumber(context)
+        val deviceLinks = DatabaseFactory.getLokiAPIDatabase(context).getPairingAuthorisations(userHexEncodedPublicKey)
+        val userLinkedDeviceHexEncodedPublicKeys = deviceLinks.flatMap {
+            listOf( it.primaryDevicePublicKey.toLowerCase(), it.secondaryDevicePublicKey.toLowerCase() )
+        }.toMutableSet()
+        userLinkedDeviceHexEncodedPublicKeys.add(userHexEncodedPublicKey.toLowerCase())
         val cursor = threadDatabase.conversationList
         val reader = threadDatabase.readerFor(cursor)
         val result = mutableListOf<String>()
@@ -17,7 +24,9 @@ class CreateClosedGroupLoader(context: Context) : AsyncLoader<List<String>>(cont
             val thread = reader.current
             if (thread.recipient.isGroupRecipient) { continue }
             if (lokiThreadDatabase.getFriendRequestStatus(thread.threadId) != LokiThreadFriendRequestStatus.FRIENDS) { continue }
-            result.add(thread.recipient.address.toString())
+            val hexEncodedPublicKey = thread.recipient.address.toString().toLowerCase()
+            if (userLinkedDeviceHexEncodedPublicKeys.contains(hexEncodedPublicKey)) { continue }
+            result.add(hexEncodedPublicKey)
         }
         return result
     }