FIX: don't show new topic notifications in homepag for suppressed categories

app/assets/javascripts/discourse/models/topic-tracking-state.js.es6

@@ -1,4 +1,6 @@
 import NotificationLevels from 'discourse/lib/notification-levels';
+import computed from "ember-addons/ember-computed-decorators";
+import { on } from "ember-addons/ember-computed-decorators";
 
 function isNew(topic) {
   return topic.last_read_post_number === null &&
@@ -15,24 +17,25 @@ function isUnread(topic) {
 const TopicTrackingState = Discourse.Model.extend({
   messageCount: 0,
 
-  _setup: function() {
+  @on("init")
+  _setup() {
     this.unreadSequence = [];
     this.newSequence = [];
     this.states = {};
-  }.on('init'),
+  },
 
   establishChannels() {
     const tracker = this;
 
-    const process = function(data){
+    const process = data => {
       if (data.message_type === "delete") {
         tracker.removeTopic(data.topic_id);
         tracker.incrementMessageCount();
       }
 
       if (data.message_type === "new_topic" || data.message_type === "latest") {
-        const ignored_categories = Discourse.User.currentProp("muted_category_ids");
+        const muted_category_ids = Discourse.User.currentProp("muted_category_ids");
-        if(_.include(ignored_categories, data.payload.category_id)){
+        if (_.include(muted_category_ids, data.payload.category_id)) {
           return;
         }
       }
@@ -73,6 +76,13 @@ const TopicTrackingState = Discourse.Model.extend({
 
     const filter = this.get("filter");
 
+    if (filter === Discourse.Utilities.defaultHomepage()) {
+      const suppressed_from_homepage_category_ids = Discourse.Site.currentProp("suppressed_from_homepage_category_ids");
+      if (_.include(suppressed_from_homepage_category_ids, data.payload.category_id)) {
+        return;
+      }
+    }
+
     if ((filter === "all" || filter === "latest" || filter === "new") && data.message_type === "new_topic") {
       this.addIncoming(data.topic_id);
     }
@@ -109,10 +119,10 @@ const TopicTrackingState = Discourse.Model.extend({
     this.set("incomingCount", 0);
   },
 
-  hasIncoming: function(){
+  @computed("incomingCount")
-    const count = this.get('incomingCount');
+  hasIncoming(incomingCount) {
-    return count && count > 0;
+    return incomingCount && incomingCount > 0;
-  }.property('incomingCount'),
+  },
 
   removeTopic(topic_id) {
     delete this.states["t" + topic_id];
@@ -124,7 +134,7 @@ const TopicTrackingState = Discourse.Model.extend({
     if (Em.isEmpty(topics)) { return; }
 
     const states = this.states;
-    topics.forEach(function(t) {
+    topics.forEach(t => {
       const state = states['t' + t.get('id')];
 
       if (state) {
@@ -135,9 +145,7 @@ const TopicTrackingState = Discourse.Model.extend({
               unread = postsCount - state.last_read_post_number;
 
           if (newPosts < 0) { newPosts = 0; }
-          if (!state.last_read_post_number) {
+          if (!state.last_read_post_number) { unread = 0; }
-            unread = 0;
-          }
           if (unread < 0) { unread = 0; }
 
           t.setProperties({
@@ -201,11 +209,9 @@ const TopicTrackingState = Discourse.Model.extend({
     if ((filter === "new" || filter === "unread") && !list.more_topics_url) {
 
       const ids = {};
-      list.topics.forEach(function(r){
+      list.topics.forEach(r => ids["t" + r.id] = true);
-        ids["t" + r.id] = true;
-      });
 
-      _.each(tracker.states, function(v, k){
+      _.each(tracker.states, (v, k) => {
 
         // we are good if we are on the list
         if (ids[k]) { return; }
@@ -232,7 +238,7 @@ const TopicTrackingState = Discourse.Model.extend({
   countNew(category_id) {
     return _.chain(this.states)
             .where(isNew)
-      .where(function(topic){ return topic.category_id === category_id || !category_id;})
+            .where(topic => topic.category_id === category_id || !category_id)
             .value()
             .length;
   },
@@ -242,10 +248,9 @@ const TopicTrackingState = Discourse.Model.extend({
   },
 
   resetNew() {
-    const self = this;
+    Object.keys(this.states).forEach(id => {
-    Object.keys(this.states).forEach(function (id) {
+      if (this.states[id].last_read_post_number === null) {
-      if (self.states[id].last_read_post_number === null) {
+        delete this.states[id];
-        delete self.states[id];
       }
     });
   },
@@ -253,7 +258,7 @@ const TopicTrackingState = Discourse.Model.extend({
   countUnread(category_id) {
     return _.chain(this.states)
             .where(isUnread)
-      .where(function(topic){ return topic.category_id === category_id || !category_id;})
+            .where(topic => topic.category_id === category_id || !category_id)
             .value()
             .length;
   },
@@ -270,7 +275,6 @@ const TopicTrackingState = Discourse.Model.extend({
   },
 
   lookupCount(name, category) {
-
     if (name === "latest") {
       return this.lookupCount("new", category) +
              this.lookupCount("unread", category);
@@ -290,21 +294,17 @@ const TopicTrackingState = Discourse.Model.extend({
   },
 
   loadStates(data) {
-    // not exposed
     const states = this.states;
-
     if (data) {
-      _.each(data,function(topic){
+      _.each(data,topic => states["t" + topic.topic_id] = topic);
-        states["t" + topic.topic_id] = topic;
-      });
     }
   }
 });
 
 
 TopicTrackingState.reopenClass({
-  createFromStates(data) {
 
+  createFromStates(data) {
     // TODO: This should be a model that does injection automatically
     const container = Discourse.__container__,
           messageBus = container.lookup('message-bus:main'),
@@ -316,6 +316,7 @@ TopicTrackingState.reopenClass({
     instance.establishChannels();
     return instance;
   },
+
   current() {
     if (!this.tracker) {
       const data = PreloadStore.get('topicTrackingStates');

app/models/site.rb

@@ -71,6 +71,10 @@ class Site
     end
   end
 
+  def suppressed_from_homepage_category_ids
+    categories.select { |c| c.suppress_from_homepage == true }.map(&:id)
+  end
+
   def archetypes
     Archetype.list.reject { |t| t.id == Archetype.private_message }
   end

app/serializers/site_serializer.rb

@@ -11,7 +11,8 @@ class SiteSerializer < ApplicationSerializer
              :uncategorized_category_id, # this is hidden so putting it here
              :is_readonly,
              :disabled_plugins,
-             :user_field_max_length
+             :user_field_max_length,
+             :suppressed_from_homepage_category_ids
 
   has_many :categories, serializer: BasicCategorySerializer, embed: :objects
   has_many :post_action_types, embed: :objects