Don't render friend requests if we are already friends with a users linked device.

src/org/thoughtcrime/securesms/conversation/ConversationActivity.java

@@ -2200,7 +2200,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
       inputMethodManager.showSoftInput(inputPanel.composeText, 0);
     }
     boolean hasPendingFriendRequest = !recipient.isGroupRecipient() && hasPendingFriendRequestWithAnyLinkedDevice();
-    boolean isFriendsWithAnyLinkedDevices = isFriendsWithAnyLinkedDevice();
+    boolean isFriendsWithAnyLinkedDevices = MultiDeviceUtilitiesKt.isFriendsWithAnyLinkedDevice(this, recipient);
     boolean shouldEnableInput = isFriendsWithAnyLinkedDevices || !hasPendingFriendRequest;
     updateToggleButtonState();
     inputPanel.setEnabled(shouldEnableInput);
@@ -3032,33 +3032,6 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
     updateInputPanel();
   }
 
-  public boolean isFriendsWithAnyLinkedDevice() {
-    if (recipient.isGroupRecipient()) return true;
-    SettableFuture<Boolean> future = new SettableFuture<>();
-    LokiStorageAPI storageAPI = LokiStorageAPI.Companion.getShared();
-
-    MultiDeviceUtilitiesKt.getAllDeviceFriendRequestStatus(this, recipient.getAddress().serialize(), storageAPI).success(map -> {
-      for (LokiThreadFriendRequestStatus status : map.values()) {
-        if (status == LokiThreadFriendRequestStatus.FRIENDS) {
-          future.set(true);
-          break;
-        }
-      }
-
-      if (!future.isDone()) { future.set(false); }
-      return Unit.INSTANCE;
-    }).fail(e -> {
-      future.set(false);
-      return Unit.INSTANCE;
-    });
-
-    try {
-      return future.get();
-    } catch (Exception e) {
-      return false;
-    }
-  }
-
   public boolean hasPendingFriendRequestWithAnyLinkedDevice() {
     if (recipient.isGroupRecipient()) return false;
     SettableFuture<Boolean> future = new SettableFuture<>();

src/org/thoughtcrime/securesms/jobs/PushDecryptJob.java

@@ -779,6 +779,11 @@ public class PushDecryptJob extends BaseJob implements InjectableType {
       return;
     }
 
+    // Don't insert friend request if we're already friends with a one of the users other device
+    if (message.isFriendRequest() && MultiDeviceUtilitiesKt.isFriendsWithAnyLinkedDevice(context, primaryDeviceRecipient)) {
+      return;
+    }
+
     Optional<InsertResult> insertResult;
 
     try {
@@ -956,6 +961,11 @@ public class PushDecryptJob extends BaseJob implements InjectableType {
       // Ignore the message if the body is empty
       if (textMessage.getMessageBody().length() == 0) { return; }
 
+      // Don't insert friend request if we're already friends with a one of the users other device
+      if (message.isFriendRequest() && MultiDeviceUtilitiesKt.isFriendsWithAnyLinkedDevice(context, primaryDeviceRecipient)) {
+        return;
+      }
+
       // Insert the message into the database
       Optional<InsertResult> insertResult = database.insertMessageInbox(textMessage);
 
@@ -1014,13 +1024,13 @@ public class PushDecryptJob extends BaseJob implements InjectableType {
   private void handlePairingMessage(@NonNull PairingAuthorisation authorisation, @NonNull SignalServiceEnvelope envelope, @NonNull SignalServiceContent content) {
     String userHexEncodedPublicKey = TextSecurePreferences.getLocalNumber(context);
     if (authorisation.getType() == PairingAuthorisation.Type.REQUEST) {
-      handlePairingRequestMessage(authorisation, envelope);
+      handlePairingRequestMessage(authorisation);
     } else if (authorisation.getSecondaryDevicePublicKey().equals(userHexEncodedPublicKey)) {
       handlePairingAuthorisationMessage(authorisation, envelope, content);
     }
   }
 
-  private void handlePairingRequestMessage(@NonNull PairingAuthorisation authorisation, @NonNull SignalServiceEnvelope envelope) {
+  private void handlePairingRequestMessage(@NonNull PairingAuthorisation authorisation) {
     boolean isValid = isValidPairingMessage(authorisation);
     DeviceLinkingSession linkingSession = DeviceLinkingSession.Companion.getShared();
     if (isValid && linkingSession.isListeningForLinkingRequests()) {
@@ -1093,6 +1103,7 @@ public class PushDecryptJob extends BaseJob implements InjectableType {
     // it must be a friend request accepted message. Declining a friend request doesn't send a message.
     lokiThreadDatabase.setFriendRequestStatus(threadID, LokiThreadFriendRequestStatus.FRIENDS);
     // Update the last message if needed
+    // TODO: Fix this logic to update the last friend request message
     SmsDatabase smsDatabase = DatabaseFactory.getSmsDatabase(context);
     LokiMessageDatabase lokiMessageDatabase = DatabaseFactory.getLokiMessageDatabase(context);
     int messageCount = smsDatabase.getMessageCountForThread(threadID);
@@ -1137,6 +1148,7 @@ public class PushDecryptJob extends BaseJob implements InjectableType {
         // `REQUEST_SENT`.
         lokiThreadDatabase.setFriendRequestStatus(threadID, LokiThreadFriendRequestStatus.FRIENDS);
         // Since messages are forwarded to the primary device thread, we need to update it there
+        // TODO: Fix this logic to update the last friend request message
         long messageID = smsMessageDatabase.getIDForMessageAtIndex(primaryDeviceThreadID, messageCount - 2); // The message before the one that was just received
         lokiMessageDatabase.setFriendRequestStatus(messageID, LokiMessageFriendRequestStatus.REQUEST_ACCEPTED);
         // Accept the friend request

src/org/thoughtcrime/securesms/loki/FriendRequestHandler.kt

@@ -0,0 +1,51 @@
+package org.thoughtcrime.securesms.loki
+
+import android.content.Context
+import nl.komponents.kovenant.Promise
+import nl.komponents.kovenant.ui.alwaysUi
+import nl.komponents.kovenant.ui.successUi
+import org.thoughtcrime.securesms.database.DatabaseFactory
+import org.whispersystems.signalservice.loki.api.LokiStorageAPI
+import org.whispersystems.signalservice.loki.messaging.LokiMessageFriendRequestStatus
+import org.whispersystems.signalservice.loki.messaging.LokiThreadFriendRequestStatus
+import java.lang.IllegalStateException
+
+object FriendRequestHandler {
+  enum class ActionType { Sending, Sent, Failed }
+
+  @JvmStatic
+  fun handleFriendRequest(context: Context, type: ActionType, messageId: Long, threadId: Long) {
+    // Update thread status
+    // Note: Do we need to only update these if we're not friends?
+    if (threadId >= 0) {
+      val threadFriendStatus = when (type) {
+        ActionType.Sending -> LokiThreadFriendRequestStatus.REQUEST_SENDING
+        ActionType.Failed -> LokiThreadFriendRequestStatus.NONE
+        ActionType.Sent -> LokiThreadFriendRequestStatus.REQUEST_SENT
+      }
+      DatabaseFactory.getLokiThreadDatabase(context).setFriendRequestStatus(threadId, threadFriendStatus)
+    }
+
+    // Update message status
+    val recipient = DatabaseFactory.getThreadDatabase(context).getRecipientForThreadId(threadId)
+    if (recipient != null && messageId >= 0) {
+      val messageDatabase = DatabaseFactory.getLokiMessageDatabase(context)
+      val messageFriendRequestStatus = messageDatabase.getFriendRequestStatus(messageId)
+      if (type == ActionType.Sending && messageFriendRequestStatus == LokiMessageFriendRequestStatus.NONE) {
+        // We only want to update message status if we aren't friends with another of their devices
+        // This avoids spam in the ui where it would keep telling the user that they sent a friend request on every single message
+        if (!isFriendsWithAnyLinkedDevice(context, recipient)) {
+          messageDatabase.setFriendRequestStatus(messageId, LokiMessageFriendRequestStatus.REQUEST_SENDING)
+        }
+      } else if (messageFriendRequestStatus != LokiMessageFriendRequestStatus.NONE) {
+        // Update the friend request status of the message if we have it
+        val messageFriendRequestStatus = when (type) {
+          ActionType.Failed -> LokiMessageFriendRequestStatus.REQUEST_FAILED
+          ActionType.Sent -> LokiMessageFriendRequestStatus.REQUEST_PENDING
+          else -> throw IllegalStateException()
+        }
+        messageDatabase.setFriendRequestStatus(messageId, messageFriendRequestStatus)
+      }
+    }
+  }
+}

src/org/thoughtcrime/securesms/loki/MultiDeviceUtilities.kt

@@ -203,3 +203,31 @@ fun getPrimaryDevicePublicKey(hexEncodedPublicKey: String): String? {
     null
   }
 }
+
+fun isFriendsWithAnyLinkedDevice(context: Context, recipient: Recipient): Boolean {
+  if (recipient.isGroupRecipient) return true
+  val future = SettableFuture<Boolean>()
+  val storageAPI = LokiStorageAPI.shared
+
+  getAllDeviceFriendRequestStatus(context, recipient.address.serialize(), storageAPI).success { map ->
+    for (status in map.values) {
+      if (status == LokiThreadFriendRequestStatus.FRIENDS) {
+        future.set(true)
+        break
+      }
+    }
+
+    if (!future.isDone) {
+      future.set(false)
+    }
+  }.fail { e ->
+    future.set(false)
+  }
+
+  try {
+    return future.get()
+  } catch (e: Exception) {
+    return false
+  }
+
+}

src/org/thoughtcrime/securesms/push/MessageSenderEventListener.java

@@ -3,6 +3,7 @@ package org.thoughtcrime.securesms.push;
 import android.content.Context;
 
 import org.thoughtcrime.securesms.crypto.SecurityEvent;
+import org.thoughtcrime.securesms.loki.FriendRequestHandler;
 import org.thoughtcrime.securesms.loki.LokiMessageSyncEvent;
 import org.whispersystems.signalservice.api.SignalServiceMessageSender;
 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
@@ -26,4 +27,16 @@ public class MessageSenderEventListener implements SignalServiceMessageSender.Ev
   public void onSyncEvent(long messageID, long timestamp, byte[] message, int ttl) {
     LokiMessageSyncEvent.INSTANCE.broadcastSecurityUpdateEvent(context, messageID, timestamp, message, ttl);
   }
+
+  @Override public void onFriendRequestSending(long messageID, long threadID) {
+    FriendRequestHandler.handleFriendRequest(context, FriendRequestHandler.ActionType.Sending, messageID, threadID);
+  }
+
+  @Override public void onFriendRequestSent(long messageID, long threadID) {
+    FriendRequestHandler.handleFriendRequest(context, FriendRequestHandler.ActionType.Sent, messageID, threadID);
+  }
+
+  @Override public void onFriendRequestSendingFail(long messageID, long threadID) {
+    FriendRequestHandler.handleFriendRequest(context, FriendRequestHandler.ActionType.Failed, messageID, threadID);
+  }
 }

src/org/thoughtcrime/securesms/sms/MessageSender.java

@@ -42,6 +42,7 @@ import org.thoughtcrime.securesms.jobs.SmsSendJob;
 import org.thoughtcrime.securesms.linkpreview.LinkPreviewRepository;
 import org.thoughtcrime.securesms.linkpreview.LinkPreviewUtil;
 import org.thoughtcrime.securesms.logging.Log;
+import org.thoughtcrime.securesms.loki.FriendRequestHandler;
 import org.thoughtcrime.securesms.loki.GeneralUtilitiesKt;
 import org.thoughtcrime.securesms.loki.MultiDeviceUtilitiesKt;
 import org.thoughtcrime.securesms.loki.PushMessageSyncSendJob;
@@ -131,7 +132,7 @@ public class MessageSender {
 
     // Loki - Set the message's friend request status as soon as it has hit the database
     if (message.isFriendRequest) {
-      DatabaseFactory.getLokiMessageDatabase(context).setFriendRequestStatus(messageId, LokiMessageFriendRequestStatus.REQUEST_SENDING);
+      FriendRequestHandler.handleFriendRequest(context, FriendRequestHandler.ActionType.Sending, messageId, allocatedThreadId);
     }
 
     sendTextMessage(context, recipient, forceSms, keyExchange, messageId);
@@ -167,7 +168,7 @@ public class MessageSender {
           long messageID = database.insertMessageOutbox(message, allocatedThreadId, forceSms, insertListener);
           // Loki - Set the message's friend request status as soon as it has hit the database
           if (message.isFriendRequest) {
-            DatabaseFactory.getLokiMessageDatabase(context).setFriendRequestStatus(messageID, LokiMessageFriendRequestStatus.REQUEST_SENDING);
+            FriendRequestHandler.handleFriendRequest(context, FriendRequestHandler.ActionType.Sending, messageID, allocatedThreadId);
           }
           sendMediaMessage(context, recipient, forceSms, messageID, message.getExpiresIn());
         } catch (Exception e) {
@@ -180,7 +181,7 @@ public class MessageSender {
         long messageID = database.insertMessageOutbox(message, allocatedThreadId, forceSms, insertListener);
         // Loki - Set the message's friend request status as soon as it has hit the database
         if (message.isFriendRequest) {
-          DatabaseFactory.getLokiMessageDatabase(context).setFriendRequestStatus(messageID, LokiMessageFriendRequestStatus.REQUEST_SENDING);
+          FriendRequestHandler.handleFriendRequest(context, FriendRequestHandler.ActionType.Sending, messageID, allocatedThreadId);
         }
         sendMediaMessage(context, recipient, forceSms, messageID, message.getExpiresIn());
       } catch (MmsException e) {