FEATURE: add category suppress from latest

In the past we used suppress_from_homepage, it had mixed semantics
it would remove from category list if category list was on home and
unconditionally remove from latest.

New setting explicitly only removes from latest list but leaves the
category list alond

app/assets/javascripts/discourse/models/category.js.es6

@@ -97,7 +97,7 @@ const Category = RestModel.extend({
         allow_badges: this.get('allow_badges'),
         custom_fields: this.get('custom_fields'),
         topic_template: this.get('topic_template'),
-        suppress_from_homepage: this.get('suppress_from_homepage'),
+        suppress_from_latest: this.get('suppress_from_latest'),
         all_topics_wiki: this.get('all_topics_wiki'),
         allowed_tags: this.get('allowed_tags'),
         allowed_tag_groups: this.get('allowed_tag_groups'),

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

@@ -117,8 +117,8 @@ const TopicTrackingState = Discourse.Model.extend({
     }
 
     if (filter === 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)) {
+      const suppressed_from_latest_category_ids = Discourse.Site.currentProp("suppressed_from_latest_category_ids");
+      if (_.include(suppressed_from_latest_category_ids, data.payload.category_id)) {
         return;
       }
     }

app/assets/javascripts/discourse/templates/components/edit-category-settings.hbs

@@ -21,8 +21,8 @@
 
 <section class="field">
   <label>
-    {{input type="checkbox" checked=category.suppress_from_homepage}}
-    {{i18n "category.suppress_from_homepage"}}
+    {{input type="checkbox" checked=category.suppress_from_latest}}
+    {{i18n "category.suppress_from_latest"}}
   </label>
 </section>
 

app/controllers/categories_controller.rb

@@ -61,7 +61,7 @@ class CategoriesController < ApplicationController
     topic_options = {
       per_page: SiteSetting.categories_topics,
       no_definitions: true,
-      exclude_category_ids: Category.where(suppress_from_homepage: true).pluck(:id)
+      exclude_category_ids: Category.where(suppress_from_latest: true).pluck(:id)
     }
 
     result = CategoryAndTopicLists.new
@@ -235,7 +235,7 @@ class CategoriesController < ApplicationController
                         :email_in,
                         :email_in_allow_strangers,
                         :mailinglist_mirror,
-                        :suppress_from_homepage,
+                        :suppress_from_latest,
                         :all_topics_wiki,
                         :parent_category_id,
                         :auto_close_hours,

app/controllers/list_controller.rb

@@ -63,7 +63,7 @@ class ListController < ApplicationController
         if filter == :latest
           list_opts[:no_definitions] = true
         end
-        if filter.to_s == current_homepage
+        if [:latest, :categories].include?(filter)
           list_opts[:exclude_category_ids] = get_excluded_category_ids(list_opts[:category])
         end
       end
@@ -369,7 +369,7 @@ class ListController < ApplicationController
   end
 
   def get_excluded_category_ids(current_category = nil)
-    exclude_category_ids = Category.where(suppress_from_homepage: true)
+    exclude_category_ids = Category.where(suppress_from_latest: true)
     exclude_category_ids = exclude_category_ids.where.not(id: current_category) if current_category
     exclude_category_ids.pluck(:id)
   end

app/models/category.rb

@@ -542,7 +542,7 @@ end
 #  name_lower                    :string(50)       not null
 #  auto_close_based_on_last_post :boolean          default(FALSE)
 #  topic_template                :text
-#  suppress_from_homepage        :boolean          default(FALSE)
+#  suppress_from_latest          :boolean          default(FALSE)
 #  contains_messages             :boolean
 #  sort_order                    :string
 #  sort_ascending                :boolean

app/models/category_list.rb

@@ -72,7 +72,6 @@ class CategoryList
         subcategories: [:topic_only_relative_url]
       ).secured(@guardian)
 
-      @categories = @categories.where(suppress_from_homepage: false) if @options[:is_homepage]
       @categories = @categories.where("categories.parent_category_id = ?", @options[:parent_category_id].to_i) if @options[:parent_category_id].present?
 
       if SiteSetting.fixed_category_positions

app/models/site.rb

@@ -71,8 +71,8 @@ class Site
     end
   end
 
-  def suppressed_from_homepage_category_ids
-    categories.select { |c| c.suppress_from_homepage == true }.map(&:id)
+  def suppressed_from_latest_category_ids
+    categories.select { |c| c.suppress_from_latest == true }.map(&:id)
   end
 
   def archetypes

app/serializers/category_serializer.rb

@@ -9,7 +9,7 @@ class CategorySerializer < BasicCategorySerializer
              :email_in,
              :email_in_allow_strangers,
              :mailinglist_mirror,
-             :suppress_from_homepage,
+             :suppress_from_latest,
              :all_topics_wiki,
              :can_delete,
              :cannot_delete_reason,
@@ -72,7 +72,7 @@ class CategorySerializer < BasicCategorySerializer
     scope && scope.can_edit?(object)
   end
 
-  def include_suppress_from_homepage?
+  def include_suppress_from_latest?
     scope && scope.can_edit?(object)
   end
 

app/serializers/site_serializer.rb

@@ -16,7 +16,7 @@ class SiteSerializer < ApplicationSerializer
              :is_readonly,
              :disabled_plugins,
              :user_field_max_length,
-             :suppressed_from_homepage_category_ids,
+             :suppressed_from_latest_category_ids,
              :post_action_types,
              :topic_flag_types,
              :can_create_tag,

config/locales/client.en.yml

@@ -2209,7 +2209,7 @@ en:
       email_in_disabled: "Posting new topics via email is disabled in the Site Settings. To enable posting new topics via email, "
       email_in_disabled_click: 'enable the "email in" setting.'
       mailinglist_mirror: "Category mirrors a mailing list"
-      suppress_from_homepage: "Suppress this category from the homepage."
+      suppress_from_latest: "Suppress category from latest topics."
       show_subcategory_list: "Show subcategory list above topics in this category."
       num_featured_topics: "Number of topics shown on the categories page:"
       subcategory_num_featured_topics: "Number of featured topics on parent category's page:"

db/fixtures/001_categories.rb

@@ -28,8 +28,8 @@ end
 
 ColumnDropper.drop(
   table: 'categories',
-  after_migration: 'AddUploadsToCategories',
-  columns: ['logo_url', 'background_url'],
+  after_migration: 'AddSuppressFromLatestToCategories',
+  columns: ['logo_url', 'background_url', 'suppress_from_homepage'],
   on_drop: ->() {
     STDERR.puts 'Removing superflous categories columns!'
   }

db/migrate/20180221215641_add_suppress_from_latest_to_categories.rb

@@ -0,0 +1,11 @@
+class AddSuppressFromLatestToCategories < ActiveRecord::Migration[5.1]
+  def up
+    add_column :categories, :suppress_from_latest, :boolean, default: false
+    execute <<~SQL
+      UPDATE categories SET suppress_from_latest = suppress_from_homepage
+    SQL
+  end
+  def down
+    raise "can not be removed"
+  end
+end

lib/import_export/base_exporter.rb

@@ -5,7 +5,7 @@ module ImportExport
 
     CATEGORY_ATTRS = [:id, :name, :color, :created_at, :user_id, :slug, :description, :text_color,
                       :auto_close_hours, :parent_category_id, :auto_close_based_on_last_post,
-                      :topic_template, :suppress_from_homepage, :all_topics_wiki, :permissions_params]
+                      :topic_template, :suppress_from_latest, :all_topics_wiki, :permissions_params]
 
     GROUP_ATTRS = [ :id, :name, :created_at, :mentionable_level, :messageable_level, :visibility_level,
                     :automatic_membership_email_domains, :automatic_membership_retroactive,

script/import_scripts/discuz_x.rb

@@ -273,7 +273,7 @@ class ImportScripts::DiscuzX < ImportScripts::Base
         description: row['description'],
         position: row['position'].to_i + max_position,
         color: color,
-        suppress_from_homepage: (row['status'] == (0) || row['status'] == (3)),
+        suppress_from_latest: (row['status'] == (0) || row['status'] == (3)),
         post_create_action: lambda do |category|
           if slug = @category_slug[row['id']]
             category.update(slug: slug)

spec/controllers/list_controller_spec.rb

@@ -364,13 +364,13 @@ describe ListController do
 
   describe "categories suppression" do
     let(:category_one) { Fabricate(:category) }
-    let(:sub_category) { Fabricate(:category, parent_category: category_one, suppress_from_homepage: true) }
+    let(:sub_category) { Fabricate(:category, parent_category: category_one, suppress_from_latest: true) }
     let!(:topic_in_sub_category) { Fabricate(:topic, category: sub_category) }
 
-    let(:category_two) { Fabricate(:category, suppress_from_homepage: true) }
+    let(:category_two) { Fabricate(:category, suppress_from_latest: true) }
     let!(:topic_in_category_two) { Fabricate(:topic, category: category_two) }
 
-    it "suppresses categories from the homepage" do
+    it "suppresses categories from the latest list" do
       get SiteSetting.homepage, format: :json
       expect(response).to be_success
 

spec/fixtures/json/import-export.json

@@ -4,12 +4,12 @@
     {"id":42,"name":"custom_group_import","created_at":"2017-10-26T15:33:46.328Z","mentionable_level":0,"messageable_level":0,"visibility_level":0,"automatic_membership_email_domains":"","automatic_membership_retroactive":false,"primary_group":false,"title":null,"grant_trust_level":null,"incoming_email":null,"user_ids":[2]}
   ],
   "categories":[
-    {"id":8,"name":"Custom Category","color":"AB9364","created_at":"2017-10-26T15:32:44.083Z","user_id":1,"slug":"custom-category","description":null,"text_color":"FFFFFF","auto_close_hours":null,"parent_category_id":3,"auto_close_based_on_last_post":false,"topic_template":"","suppress_from_homepage":false,"all_topics_wiki":false,"permissions_params":{"custom_group":1,"everyone":2}},
-    {"id":10,"name":"Site Feedback Import","color":"808281","created_at":"2017-10-26T17:12:39.995Z","user_id":-1,"slug":"site-feedback-import","description":"Discussion about this site, its organization, how it works, and how we can improve it.","text_color":"FFFFFF","auto_close_hours":null,"parent_category_id":null,"auto_close_based_on_last_post":false,"topic_template":null,"suppress_from_homepage":false,"all_topics_wiki":false,"permissions_params":{}},
-    {"id":11,"name":"Uncategorized Import","color":"AB9364","created_at":"2017-10-26T17:12:32.359Z","user_id":-1,"slug":"uncategorized-import","description":"","text_color":"FFFFFF","auto_close_hours":null,"parent_category_id":null,"auto_close_based_on_last_post":false,"topic_template":null,"suppress_from_homepage":false,"all_topics_wiki":false,"permissions_params":{}},
-    {"id":12,"name":"Lounge Import","color":"EEEEEE","created_at":"2017-10-26T17:12:39.490Z","user_id":-1,"slug":"lounge-import","description":"A category exclusive to members with trust level 3 and higher.","text_color":"652D90","auto_close_hours":null,"parent_category_id":null,"auto_close_based_on_last_post":false,"topic_template":null,"suppress_from_homepage":false,"all_topics_wiki":false,"permissions_params":{"trust_level_3":1}},
-    {"id":13,"name":"Staff Import","color":"283890","created_at":"2017-10-26T17:12:42.806Z","user_id":2,"slug":"staff-import","description":"Private category for staff discussions. Topics are only visible to admins and moderators.","text_color":"FFFFFF","auto_close_hours":null,"parent_category_id":null,"auto_close_based_on_last_post":false,"topic_template":null,"suppress_from_homepage":false,"all_topics_wiki":false,"permissions_params":{"custom_group_import":1,"staff":1}},
-    {"id":15,"name":"Custom Category Import","color":"AB9364","created_at":"2017-10-26T15:32:44.083Z","user_id":2,"slug":"custom-category-import","description":null,"text_color":"FFFFFF","auto_close_hours":null,"parent_category_id":10,"auto_close_based_on_last_post":false,"topic_template":"","suppress_from_homepage":false,"all_topics_wiki":false,"permissions_params":{"custom_group_import":1,"everyone":2}}
+    {"id":8,"name":"Custom Category","color":"AB9364","created_at":"2017-10-26T15:32:44.083Z","user_id":1,"slug":"custom-category","description":null,"text_color":"FFFFFF","auto_close_hours":null,"parent_category_id":3,"auto_close_based_on_last_post":false,"topic_template":"","suppress_from_latest":false,"all_topics_wiki":false,"permissions_params":{"custom_group":1,"everyone":2}},
+    {"id":10,"name":"Site Feedback Import","color":"808281","created_at":"2017-10-26T17:12:39.995Z","user_id":-1,"slug":"site-feedback-import","description":"Discussion about this site, its organization, how it works, and how we can improve it.","text_color":"FFFFFF","auto_close_hours":null,"parent_category_id":null,"auto_close_based_on_last_post":false,"topic_template":null,"suppress_from_latest":false,"all_topics_wiki":false,"permissions_params":{}},
+    {"id":11,"name":"Uncategorized Import","color":"AB9364","created_at":"2017-10-26T17:12:32.359Z","user_id":-1,"slug":"uncategorized-import","description":"","text_color":"FFFFFF","auto_close_hours":null,"parent_category_id":null,"auto_close_based_on_last_post":false,"topic_template":null,"suppress_from_latest":false,"all_topics_wiki":false,"permissions_params":{}},
+    {"id":12,"name":"Lounge Import","color":"EEEEEE","created_at":"2017-10-26T17:12:39.490Z","user_id":-1,"slug":"lounge-import","description":"A category exclusive to members with trust level 3 and higher.","text_color":"652D90","auto_close_hours":null,"parent_category_id":null,"auto_close_based_on_last_post":false,"topic_template":null,"suppress_from_latest":false,"all_topics_wiki":false,"permissions_params":{"trust_level_3":1}},
+    {"id":13,"name":"Staff Import","color":"283890","created_at":"2017-10-26T17:12:42.806Z","user_id":2,"slug":"staff-import","description":"Private category for staff discussions. Topics are only visible to admins and moderators.","text_color":"FFFFFF","auto_close_hours":null,"parent_category_id":null,"auto_close_based_on_last_post":false,"topic_template":null,"suppress_from_latest":false,"all_topics_wiki":false,"permissions_params":{"custom_group_import":1,"staff":1}},
+    {"id":15,"name":"Custom Category Import","color":"AB9364","created_at":"2017-10-26T15:32:44.083Z","user_id":2,"slug":"custom-category-import","description":null,"text_color":"FFFFFF","auto_close_hours":null,"parent_category_id":10,"auto_close_based_on_last_post":false,"topic_template":"","suppress_from_latest":false,"all_topics_wiki":false,"permissions_params":{"custom_group_import":1,"everyone":2}}
   ],
   "users":[
     {"id":1,"email":"email@example.com","username":"example","name":"Example","created_at":"2017-10-07T15:01:24.597Z","trust_level":4,"active":true,"last_emailed_at":null},

spec/requests/list_controller_spec.rb

@@ -15,6 +15,33 @@ RSpec.describe ListController do
     end
   end
 
+  describe 'suppress from latest' do
+
+    it 'supresses categories' do
+      topic
+
+      get "/latest.json"
+      data = JSON.parse(response.body)
+      expect(data["topic_list"]["topics"].length).to eq(1)
+
+      get "/categories_and_latest.json"
+      data = JSON.parse(response.body)
+      expect(data["topic_list"]["topics"].length).to eq(1)
+
+      topic.category.suppress_from_latest = true
+      topic.category.save
+
+      get "/latest.json"
+      data = JSON.parse(response.body)
+      expect(data["topic_list"]["topics"].length).to eq(0)
+
+      get "/categories_and_latest.json"
+      data = JSON.parse(response.body)
+      expect(data["topic_list"]["topics"].length).to eq(0)
+    end
+
+  end
+
   describe 'titles for crawler layout' do
     it 'has no title for the default URL' do
       topic