From f3540332a880f1a92842e6b1563360892fd42389 Mon Sep 17 00:00:00 2001
From: Robin Ward <robin.ward@gmail.com>
Date: Tue, 28 Mar 2017 16:28:26 -0400
Subject: [PATCH] FIX: Topic title wasn't showing properly when entering lower
 in topics

---
 .../discourse/components/discourse-topic.js.es6           | 5 ++++-
 .../discourse/components/topic-entrance.js.es6            | 8 ++++++--
 .../javascripts/discourse/models/post-stream.js.es6       | 4 ++++
 3 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/app/assets/javascripts/discourse/components/discourse-topic.js.es6 b/app/assets/javascripts/discourse/components/discourse-topic.js.es6
index 5a07d9516dc..4c717b30493 100644
--- a/app/assets/javascripts/discourse/components/discourse-topic.js.es6
+++ b/app/assets/javascripts/discourse/components/discourse-topic.js.es6
@@ -142,7 +142,10 @@ export default Ember.Component.extend(AddArchetypeClass, Scrolling, {
         this.appEvents.trigger('header:show-topic', topic);
       } else {
         if (!DiscourseURL.isJumpScheduled()) {
-          this.appEvents.trigger('header:hide-topic');
+          const loadingNear = topic.get('postStream.loadingNearPost') || 1;
+          if (loadingNear === 1) {
+            this.appEvents.trigger('header:hide-topic');
+          }
         }
       }
     }
diff --git a/app/assets/javascripts/discourse/components/topic-entrance.js.es6 b/app/assets/javascripts/discourse/components/topic-entrance.js.es6
index d3b5983ce43..6e4ba25d148 100644
--- a/app/assets/javascripts/discourse/components/topic-entrance.js.es6
+++ b/app/assets/javascripts/discourse/components/topic-entrance.js.es6
@@ -94,11 +94,15 @@ export default Ember.Component.extend(CleansUp, {
 
   actions: {
     enterTop() {
-      DiscourseURL.routeTo(this.get('topic.url'));
+      const topic = this.get('topic');
+      this.appEvents.trigger('header:update-topic', topic);
+      DiscourseURL.routeTo(topic.get('url'));
     },
 
     enterBottom() {
-      DiscourseURL.routeTo(this.get('topic.lastPostUrl'));
+      const topic = this.get('topic');
+      this.appEvents.trigger('header:update-topic', topic);
+      DiscourseURL.routeTo(topic.get('lastPostUrl'));
     }
   }
 });
diff --git a/app/assets/javascripts/discourse/models/post-stream.js.es6 b/app/assets/javascripts/discourse/models/post-stream.js.es6
index 32cfa6427f7..0e9a5863038 100644
--- a/app/assets/javascripts/discourse/models/post-stream.js.es6
+++ b/app/assets/javascripts/discourse/models/post-stream.js.es6
@@ -15,6 +15,7 @@ export default RestModel.extend({
   loadingAbove: null,
   loadingBelow: null,
   loadingFilter: null,
+  loadingNearPost: null,
   stagingPost: null,
   postsWithPlaceholders: null,
   timelineLookup: null,
@@ -206,6 +207,7 @@ export default RestModel.extend({
 
     // TODO: if we have all the posts in the filter, don't go to the server for them.
     this.set('loadingFilter', true);
+    this.set('loadingNearPost', opts.nearPost);
 
     opts = _.merge(opts, this.get('streamFilters'));
 
@@ -216,6 +218,8 @@ export default RestModel.extend({
     }).catch(result => {
       this.errorLoading(result);
       throw result;
+    }).finally(() => {
+      this.set('loadingNearPost', null);
     });
   },