fix topic counts not updating automatically in various spots (top menu / categories page / drop down)

app/assets/javascripts/discourse/models/category.js

@@ -114,13 +114,17 @@ Discourse.Category = Discourse.Model.extend({
     return this.get("topics")[0];
   }.property("topics"),
 
+  topicTrackingState: function(){
+    return Discourse.TopicTrackingState.current();
+  }.property(),
+
   unreadTopics: function(){
-    return Discourse.TopicTrackingState.current().countUnread(this.get('name'));
-  }.property('Discourse.TopicTrackingState.current.messageCount'),
+    return this.get('topicTrackingState').countUnread(this.get('name'));
+  }.property('topicTrackingState.messageCount'),
 
   newTopics: function(){
-    return Discourse.TopicTrackingState.current().countNew(this.get('name'));
-  }.property('Discourse.TopicTrackingState.current.messageCount')
+    return this.get('topicTrackingState').countNew(this.get('name'));
+  }.property('topicTrackingState.messageCount')
 
 });
 

app/assets/javascripts/discourse/models/topic_tracking_state.js

@@ -13,16 +13,22 @@ Discourse.TopicTrackingState = Discourse.Model.extend({
     var tracker = this;
 
     var process = function(data){
+
       if (data.message_type === "delete") {
         tracker.removeTopic(data.topic_id);
+        tracker.incrementMessageCount();
       }
 
       if (data.message_type === "new_topic" || data.message_type === "unread" || data.message_type === "read") {
         tracker.notify(data);
-        tracker.states["t" + data.topic_id] = data.payload;
+        var old = tracker.states["t" + data.topic_id];
+
+        if(!_.isEqual(old, data.payload)){
+          tracker.states["t" + data.topic_id] = data.payload;
+          tracker.incrementMessageCount();
+        }
       }
 
-      tracker.incrementMessageCount();
     };
 
     Discourse.MessageBus.subscribe("/new", process);

app/assets/javascripts/discourse/templates/components/header-category-info.js.handlebars

@@ -2,10 +2,10 @@
 {{#if currentUser}}
   {{#with view.category}}
     {{#if unreadTopics}}
-      <a href={{unbound unreadUrl}} class='badge unread-posts badge-notification' title='{{i18n topic.unread_topics count="unreadTopics"}}'>{{unbound unreadTopics}}</a>
+      <a href={{unbound unreadUrl}} class='badge unread-posts badge-notification' title='{{i18n topic.unread_topics count="unreadTopics"}}'>{{unreadTopics}}</a>
     {{/if}}
     {{#if newTopics}}
-      <a href={{unbound newUrl}} class='badge new-posts badge-notification' title='{{i18n topic.new_topics count="newTopics"}}'>{{unbound newTopics}} <i class='icon icon-asterisk'></i></a>
+      <a href={{unbound newUrl}} class='badge new-posts badge-notification' title='{{i18n topic.new_topics count="newTopics"}}'>{{newTopics}} <i class='icon icon-asterisk'></i></a>
     {{/if}}
   {{/with}}
 {{else}}

app/assets/javascripts/discourse/templates/list/wide_categories.js.handlebars

@@ -54,10 +54,10 @@
             {{topicStatus topic=this}}
             <a class='title' href="{{unbound lastUnreadUrl}}">{{{unbound fancy_title}}}</a>
             {{#if unread}}
-              <a href="{{unbound lastUnreadUrl}}" class='badge unread badge-notification' title='{{i18n topic.unread_posts count="unread"}}'>{{unbound unread}}</a>
+              <a href="{{unbound lastUnreadUrl}}" class='badge unread badge-notification' title='{{i18n topic.unread_posts count="unread"}}'>{{unread}}</a>
             {{/if}}
             {{#if new_posts}}
-              <a href="{{unbound lastUnreadUrl}}" class='badge new-posts badge-notification' title='{{i18n topic.new_posts count="new_posts"}}'>{{unbound new_posts}}</a>
+              <a href="{{unbound lastUnreadUrl}}" class='badge new-posts badge-notification' title='{{i18n topic.new_posts count="new_posts"}}'>{{new_posts}}</a>
             {{/if}}
             {{#if unseen}}
               <a href="{{unbound lastUnreadUrl}}" class='badge new-posts badge-notification' title='{{i18n topic.new}}'><i class='icon icon-asterisk'></i></a>

app/assets/javascripts/discourse/views/nav_item_view.js

@@ -12,8 +12,7 @@ Discourse.NavItemView = Discourse.View.extend({
   attributeBindings: ['title'],
 
   hidden: Em.computed.not('content.visible'),
-  count: Ember.computed.alias('content.count'),
-  shouldRerender: Discourse.View.renderIfChanged('count'),
+  shouldRerender: Discourse.View.renderIfChanged('content.count'),
   active: Discourse.computed.propertyEqual('content.filterMode', 'controller.filterMode'),
 
   title: function() {
@@ -41,7 +40,7 @@ Discourse.NavItemView = Discourse.View.extend({
       extra.categoryName = Discourse.Formatter.toTitleCase(categoryName);
     }
     return I18n.t("filters." + name + ".title", extra);
-  }.property('count'),
+  }.property('content.count'),
 
   render: function(buffer) {
     var content = this.get('content');

app/models/topic_tracking_state.rb

@@ -53,25 +53,26 @@ class TopicTrackingState
       }
 
       MessageBus.publish("/unread/#{tu.user_id}", message.as_json, group_ids: group_ids)
-
     end
+
   end
 
   def self.publish_read(topic_id, last_read_post_number, user_id)
 
-      highest_post_number = Topic.where(id: topic_id).pluck(:highest_post_number).first
+    highest_post_number = Topic.where(id: topic_id).pluck(:highest_post_number).first
 
-      message = {
-        topic_id: topic_id,
-        message_type: "read",
-        payload: {
-          last_read_post_number: last_read_post_number,
-          highest_post_number: highest_post_number,
-          topic_id: topic_id
-        }
+    message = {
+      topic_id: topic_id,
+      message_type: "read",
+      payload: {
+        last_read_post_number: last_read_post_number,
+        highest_post_number: highest_post_number,
+        topic_id: topic_id
       }
+    }
+
+    MessageBus.publish("/unread/#{user_id}", message.as_json, user_ids: [user_id])
 
-      MessageBus.publish("/unread/#{user_id}", message.as_json, user_ids: [user_id])
   end
 
   def self.treat_as_new_topic_clause