From 03d0e3fdbc890ca9670e8caaf20aa39ebd61d04b Mon Sep 17 00:00:00 2001
From: epriestley <git@epriestley.com>
Date: Fri, 21 Apr 2017 14:46:51 -0700
Subject: [PATCH] Fix fatal in Conpherence NUX state

Summary: Fixes T12619.

Test Plan: Faked `return array()` in ConpherneceThreadQuery, got a NUX instead of fatal.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T12619

Differential Revision: https://secure.phabricator.com/D17764
---
 .../controller/ConpherenceListController.php      | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/src/applications/conpherence/controller/ConpherenceListController.php b/src/applications/conpherence/controller/ConpherenceListController.php
index fc73d98341..d993a1bd5e 100644
--- a/src/applications/conpherence/controller/ConpherenceListController.php
+++ b/src/applications/conpherence/controller/ConpherenceListController.php
@@ -89,13 +89,14 @@ final class ConpherenceListController extends ConpherenceController {
       default:
         $data = $this->loadDefaultParticipation($limit);
         $all_participation = $data['all_participation'];
-
-        $conpherence_id = head($all_participation)->getConpherencePHID();
-        $conpherence = id(new ConpherenceThreadQuery())
-          ->setViewer($user)
-          ->withPHIDs(array($conpherence_id))
-          ->needProfileImage(true)
-          ->executeOne();
+        if ($all_participation) {
+          $conpherence_id = head($all_participation)->getConpherencePHID();
+          $conpherence = id(new ConpherenceThreadQuery())
+            ->setViewer($user)
+            ->withPHIDs(array($conpherence_id))
+            ->needProfileImage(true)
+            ->executeOne();
+        }
         // If $conpherence is null, NUX state will render
         break;
     }