From 2e06bb148f07e36ab1fcb5de47910e28c0c31fef Mon Sep 17 00:00:00 2001
From: Michael Kirk <michael.code@endoftheworl.de>
Date: Tue, 8 Nov 2016 13:57:05 -0500
Subject: [PATCH] Send group message so long as at least one recipient is found

Previously we were haulting if even one recipient was unregistered.

// FREEBIE
---
 src/Messages/OWSMessageSender.m | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/Messages/OWSMessageSender.m b/src/Messages/OWSMessageSender.m
index 7d71ad496..4d1af25b4 100644
--- a/src/Messages/OWSMessageSender.m
+++ b/src/Messages/OWSMessageSender.m
@@ -246,8 +246,14 @@ NSString *const OWSMessageSenderInvalidDeviceException = @"InvalidDeviceExceptio
             NSError *error;
             NSArray<SignalRecipient *> *recipients =
                 [self getRecipients:gThread.groupModel.groupMemberIds error:&error];
-            if (error) {
-                return failureHandler(error);
+
+            if (recipients.count == 0) {
+                if (error) {
+                    return failureHandler(error);
+                } else {
+                    DDLogError(@"%@ Unknown error finding contacts", self.tag);
+                    return failureHandler(OWSErrorMakeFailedToSendOutgoingMessageError());
+                }
             }
 
             [self groupSend:recipients message:message thread:gThread success:successHandler failure:failureHandler];