From 3bb7ad4be182d72ae97ade85e58fa763735ab9fc Mon Sep 17 00:00:00 2001
From: Vinoth Kannan <vinothkannan@vinkas.com>
Date: Mon, 18 Nov 2019 12:28:35 +0530
Subject: [PATCH] FEATURE: remove support for 'suppress_from_latest' category
 setting. (#8308)

---
 .../discourse/models/category.js.es6          |  1 -
 .../models/topic-tracking-state.js.es6        | 14 -----
 .../components/edit-category-settings.hbs     |  7 ---
 app/controllers/categories_controller.rb      |  7 +--
 app/controllers/list_controller.rb            | 20 +-----
 app/controllers/tags_controller.rb            |  1 -
 app/models/category.rb                        |  6 +-
 app/models/category_featured_topic.rb         | 13 +---
 app/models/site.rb                            |  4 --
 app/serializers/category_serializer.rb        |  5 --
 app/serializers/site_serializer.rb            |  1 -
 config/locales/client.en.yml                  |  1 -
 ...move_suppress_from_latest_from_category.rb | 46 ++++++++++++++
 lib/import_export/base_exporter.rb            |  2 +-
 lib/topic_query.rb                            |  8 +--
 script/import_scripts/discuz_x.rb             |  5 +-
 spec/fixtures/json/import-export.json         | 12 ++--
 spec/models/category_featured_topic_spec.rb   | 18 ------
 spec/requests/categories_controller_spec.rb   | 12 ----
 spec/requests/list_controller_spec.rb         | 63 +------------------
 20 files changed, 64 insertions(+), 182 deletions(-)
 create mode 100644 db/post_migrate/20191107190330_remove_suppress_from_latest_from_category.rb

diff --git a/app/assets/javascripts/discourse/models/category.js.es6 b/app/assets/javascripts/discourse/models/category.js.es6
index 85cb273207a..2de39b44e48 100644
--- a/app/assets/javascripts/discourse/models/category.js.es6
+++ b/app/assets/javascripts/discourse/models/category.js.es6
@@ -132,7 +132,6 @@ const Category = RestModel.extend({
         allow_badges: this.allow_badges,
         custom_fields: this.custom_fields,
         topic_template: this.topic_template,
-        suppress_from_latest: this.suppress_from_latest,
         all_topics_wiki: this.all_topics_wiki,
         allowed_tags: this.allowed_tags,
         allowed_tag_groups: this.allowed_tag_groups,
diff --git a/app/assets/javascripts/discourse/models/topic-tracking-state.js.es6 b/app/assets/javascripts/discourse/models/topic-tracking-state.js.es6
index 9a565f379d0..33a6d4d9d64 100644
--- a/app/assets/javascripts/discourse/models/topic-tracking-state.js.es6
+++ b/app/assets/javascripts/discourse/models/topic-tracking-state.js.es6
@@ -5,11 +5,9 @@ import {
   default as discourseComputed,
   on
 } from "discourse-common/utils/decorators";
-import { defaultHomepage } from "discourse/lib/utilities";
 import PreloadStore from "preload-store";
 import Category from "discourse/models/category";
 import EmberObject from "@ember/object";
-import Site from "discourse/models/site";
 import User from "discourse/models/user";
 
 function isNew(topic) {
@@ -144,18 +142,6 @@ const TopicTrackingState = EmberObject.extend({
       }
     }
 
-    if (filter === defaultHomepage()) {
-      const suppressed_from_latest_category_ids = Site.currentProp(
-        "suppressed_from_latest_category_ids"
-      );
-      if (
-        suppressed_from_latest_category_ids &&
-        suppressed_from_latest_category_ids.includes(data.payload.category_id)
-      ) {
-        return;
-      }
-    }
-
     if (
       ["all", "latest", "new"].includes(filter) &&
       data.message_type === "new_topic"
diff --git a/app/assets/javascripts/discourse/templates/components/edit-category-settings.hbs b/app/assets/javascripts/discourse/templates/components/edit-category-settings.hbs
index 8c1f5472d33..1f65507a768 100644
--- a/app/assets/javascripts/discourse/templates/components/edit-category-settings.hbs
+++ b/app/assets/javascripts/discourse/templates/components/edit-category-settings.hbs
@@ -58,13 +58,6 @@
     </section>
   {{/if}}
 
-  <section class="field">
-    <label>
-      {{input type="checkbox" checked=category.suppress_from_latest}}
-      {{i18n "category.suppress_from_latest"}}
-    </label>
-  </section>
-
   <section class="field">
     <label>
       {{input type="checkbox" checked=category.navigate_to_first_post_after_read}}
diff --git a/app/controllers/categories_controller.rb b/app/controllers/categories_controller.rb
index 5e660f19816..12b77e55475 100644
--- a/app/controllers/categories_controller.rb
+++ b/app/controllers/categories_controller.rb
@@ -47,8 +47,7 @@ class CategoriesController < ApplicationController
         style = SiteSetting.desktop_category_page_style
         topic_options = {
           per_page: SiteSetting.categories_topics,
-          no_definitions: true,
-          exclude_category_ids: Category.where(suppress_from_latest: true).pluck(:id)
+          no_definitions: true
         }
 
         if style == "categories_and_latest_topics".freeze
@@ -238,8 +237,7 @@ class CategoriesController < ApplicationController
 
     topic_options = {
       per_page: SiteSetting.categories_topics,
-      no_definitions: true,
-      exclude_category_ids: Category.where(suppress_from_latest: true).pluck(:id)
+      no_definitions: true
     }
 
     result = CategoryAndTopicLists.new
@@ -291,7 +289,6 @@ class CategoriesController < ApplicationController
         :email_in,
         :email_in_allow_strangers,
         :mailinglist_mirror,
-        :suppress_from_latest,
         :all_topics_wiki,
         :parent_category_id,
         :auto_close_hours,
diff --git a/app/controllers/list_controller.rb b/app/controllers/list_controller.rb
index d0477377dd7..40c42fab07d 100644
--- a/app/controllers/list_controller.rb
+++ b/app/controllers/list_controller.rb
@@ -52,15 +52,7 @@ class ListController < ApplicationController
       list_opts = build_topic_list_options
       list_opts.merge!(options) if options
       user = list_target_user
-
-      if params[:category].blank?
-        if filter == :latest
-          list_opts[:no_definitions] = true
-        end
-        if [:latest, :categories].include?(filter) && list_opts[:exclude_category_ids].blank?
-          list_opts[:exclude_category_ids] = get_excluded_category_ids(list_opts[:category])
-        end
-      end
+      list_opts[:no_definitions] = true if params[:category].blank? && filter == :latest
 
       list = TopicQuery.new(user, list_opts).public_send("list_#{filter}")
 
@@ -246,10 +238,6 @@ class ListController < ApplicationController
       top_options.merge!(options) if options
       top_options[:per_page] = SiteSetting.topics_per_period_in_top_page
 
-      if "top".freeze == current_homepage && top_options[:exclude_category_ids].blank?
-        top_options[:exclude_category_ids] = get_excluded_category_ids(top_options[:category])
-      end
-
       user = list_target_user
       list = TopicQuery.new(user, top_options).list_top_for(period)
       list.for_period = period
@@ -393,12 +381,6 @@ class ListController < ApplicationController
     public_send(method, opts.merge(page_params)).sub('.json?', '?')
   end
 
-  def get_excluded_category_ids(current_category = nil)
-    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
-
   def self.best_period_for(previous_visit_at, category_id = nil)
     default_period = ((category_id && Category.where(id: category_id).pluck_first(:default_top_period)) ||
           SiteSetting.top_page_default_timeframe).to_sym
diff --git a/app/controllers/tags_controller.rb b/app/controllers/tags_controller.rb
index 0a4d7cd9fb5..77e1e43e608 100644
--- a/app/controllers/tags_controller.rb
+++ b/app/controllers/tags_controller.rb
@@ -392,7 +392,6 @@ class TagsController < ::ApplicationController
     options = super.merge(
       page: params[:page],
       topic_ids: param_to_integer_list(:topic_ids),
-      exclude_category_ids: params[:exclude_category_ids],
       category: @filter_on_category ? @filter_on_category.id : params[:category],
       order: params[:order],
       ascending: params[:ascending],
diff --git a/app/models/category.rb b/app/models/category.rb
index 4e2ec97a93e..62ae074692b 100644
--- a/app/models/category.rb
+++ b/app/models/category.rb
@@ -3,6 +3,7 @@
 class Category < ActiveRecord::Base
   self.ignored_columns = %w{
     uploaded_meta_id
+    suppress_from_latest
   }
 
   include Searchable
@@ -72,7 +73,6 @@ class Category < ActiveRecord::Base
   after_save :clear_url_cache
   after_save :index_search
   after_save :update_reviewables
-  after_save :clear_featured_cache
 
   after_destroy :reset_topic_ids_cache
   after_destroy :publish_category_deletion
@@ -656,10 +656,6 @@ class Category < ActiveRecord::Base
     @@url_cache.clear
   end
 
-  def clear_featured_cache
-    CategoryFeaturedTopic.clear_exclude_category_ids
-  end
-
   def full_slug(separator = "-")
     start_idx = "#{Discourse.base_uri}/c/".length
     url[start_idx..-1].gsub("/", separator)
diff --git a/app/models/category_featured_topic.rb b/app/models/category_featured_topic.rb
index fef24c07516..9ffb283b18f 100644
--- a/app/models/category_featured_topic.rb
+++ b/app/models/category_featured_topic.rb
@@ -38,16 +38,6 @@ class CategoryFeaturedTopic < ActiveRecord::Base
     end
   end
 
-  @@exclude_category_ids = DistributedCache.new('excluded_category_ids_from_featured')
-
-  def self.cached_exclude_category_ids
-    @@exclude_category_ids['ids'] ||= Category.where(suppress_from_latest: true).pluck(:id)
-  end
-
-  def self.clear_exclude_category_ids
-    @@exclude_category_ids.clear
-  end
-
   def self.clear_batch!
     $redis.del(NEXT_CATEGORY_ID_KEY)
   end
@@ -59,8 +49,7 @@ class CategoryFeaturedTopic < ActiveRecord::Base
       per_page: c.num_featured_topics,
       except_topic_ids: [c.topic_id],
       visible: true,
-      no_definitions: true,
-      exclude_category_ids: CategoryFeaturedTopic.cached_exclude_category_ids
+      no_definitions: true
     }
 
     # It may seem a bit odd that we are running 2 queries here, when admin
diff --git a/app/models/site.rb b/app/models/site.rb
index d8bddf0a995..e96a888a897 100644
--- a/app/models/site.rb
+++ b/app/models/site.rb
@@ -74,10 +74,6 @@ class Site
     Group.visible_groups(@guardian.user, "name ASC", include_everyone: true)
   end
 
-  def suppressed_from_latest_category_ids
-    categories.select { |c| c.suppress_from_latest == true }.map(&:id)
-  end
-
   def archetypes
     Archetype.list.reject { |t| t.id == Archetype.private_message }
   end
diff --git a/app/serializers/category_serializer.rb b/app/serializers/category_serializer.rb
index b5bae438a7e..cb5b2ff0562 100644
--- a/app/serializers/category_serializer.rb
+++ b/app/serializers/category_serializer.rb
@@ -11,7 +11,6 @@ class CategorySerializer < SiteCategorySerializer
              :email_in,
              :email_in_allow_strangers,
              :mailinglist_mirror,
-             :suppress_from_latest,
              :all_topics_wiki,
              :can_delete,
              :cannot_delete_reason,
@@ -82,10 +81,6 @@ class CategorySerializer < SiteCategorySerializer
     scope && scope.can_edit?(object)
   end
 
-  def include_suppress_from_latest?
-    scope && scope.can_edit?(object)
-  end
-
   def notification_level
     user = scope && scope.user
    object.notification_level ||
diff --git a/app/serializers/site_serializer.rb b/app/serializers/site_serializer.rb
index 3f8a653d969..d7c2ef58feb 100644
--- a/app/serializers/site_serializer.rb
+++ b/app/serializers/site_serializer.rb
@@ -15,7 +15,6 @@ class SiteSerializer < ApplicationSerializer
     :is_readonly,
     :disabled_plugins,
     :user_field_max_length,
-    :suppressed_from_latest_category_ids,
     :post_action_types,
     :topic_flag_types,
     :can_create_tag,
diff --git a/config/locales/client.en.yml b/config/locales/client.en.yml
index 5e723f73cb5..d9c5d17f337 100644
--- a/config/locales/client.en.yml
+++ b/config/locales/client.en.yml
@@ -2651,7 +2651,6 @@ 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_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:"
diff --git a/db/post_migrate/20191107190330_remove_suppress_from_latest_from_category.rb b/db/post_migrate/20191107190330_remove_suppress_from_latest_from_category.rb
new file mode 100644
index 00000000000..f188cc18927
--- /dev/null
+++ b/db/post_migrate/20191107190330_remove_suppress_from_latest_from_category.rb
@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+
+class RemoveSuppressFromLatestFromCategory < ActiveRecord::Migration[6.0]
+  DROPPED_COLUMNS ||= {
+    categories: %i{suppress_from_latest}
+  }
+
+  def up
+    ids = DB.query_single("SELECT id::text FROM categories WHERE suppress_from_latest = TRUE")
+
+    if ids.present?
+      muted_ids = DB.query_single("SELECT value from site_settings WHERE name = 'default_categories_muted'").first
+      ids += muted_ids.split("|") if muted_ids.present?
+      ids.uniq!
+
+      # We shouldn't encourage to have more than 10 categories in `default_categories_muted` site setting.
+      if ids.count <= 10
+        DB.exec(<<~SQL, muted: CategoryUser.notification_levels[:muted])
+          INSERT INTO category_users (category_id, user_id, notification_level)
+            SELECT c.id category_id, u.id user_id, :muted
+            FROM users u
+              CROSS JOIN categories c
+              LEFT JOIN category_users cu
+                ON u.id = cu.user_id
+                  AND c.id = cu.category_id
+            WHERE c.suppress_from_latest = TRUE
+              AND cu.notification_level IS NULL
+        SQL
+
+        DB.exec(<<~SQL, value: ids.join("|"))
+          UPDATE site_settings
+          SET value = :value
+          WHERE name = 'default_categories_muted'
+        SQL
+      end
+    end
+
+    DROPPED_COLUMNS.each do |table, columns|
+      Migration::ColumnDropper.execute_drop(table, columns)
+    end
+  end
+
+  def down
+    raise ActiveRecord::IrreversibleMigration
+  end
+end
diff --git a/lib/import_export/base_exporter.rb b/lib/import_export/base_exporter.rb
index 87ad104d5d0..ec0bd2b4284 100644
--- a/lib/import_export/base_exporter.rb
+++ b/lib/import_export/base_exporter.rb
@@ -6,7 +6,7 @@ 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_latest, :all_topics_wiki, :permissions_params]
+                      :topic_template, :all_topics_wiki, :permissions_params]
 
     GROUP_ATTRS = [ :id, :name, :created_at, :mentionable_level, :messageable_level, :visibility_level,
                     :automatic_membership_email_domains, :automatic_membership_retroactive,
diff --git a/lib/topic_query.rb b/lib/topic_query.rb
index c9b6348dd74..ba29c166196 100644
--- a/lib/topic_query.rb
+++ b/lib/topic_query.rb
@@ -28,8 +28,7 @@ class TopicQuery
       {
         max_posts: zero_up_to_max_int,
         min_posts: zero_up_to_max_int,
-        page: zero_up_to_max_int,
-        exclude_category_ids: array_int_or_int
+        page: zero_up_to_max_int
       }
     end
   end
@@ -49,7 +48,6 @@ class TopicQuery
          before
          bumped_before
          topic_ids
-         exclude_category_ids
          category
          order
          ascending
@@ -756,10 +754,6 @@ class TopicQuery
     result = apply_ordering(result, options)
     result = result.listable_topics
 
-    if options[:exclude_category_ids] && options[:exclude_category_ids].is_a?(Array) && options[:exclude_category_ids].size > 0
-      result = result.where("categories.id NOT IN (?)", options[:exclude_category_ids].map(&:to_i)).references(:categories)
-    end
-
     # Don't include the category topics if excluded
     if options[:no_definitions]
       result = result.where('COALESCE(categories.topic_id, 0) <> topics.id')
diff --git a/script/import_scripts/discuz_x.rb b/script/import_scripts/discuz_x.rb
index 2f3e49ee386..9aed7a7cc0c 100644
--- a/script/import_scripts/discuz_x.rb
+++ b/script/import_scripts/discuz_x.rb
@@ -275,7 +275,6 @@ class ImportScripts::DiscuzX < ImportScripts::Base
         description: row['description'],
         position: row['position'].to_i + max_position,
         color: color,
-        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)
@@ -295,6 +294,10 @@ class ImportScripts::DiscuzX < ImportScripts::Base
               category.save!
             end
           end
+
+          if row['status'] == (0) || row['status'] == (3)
+            SiteSetting.default_categories_muted = [SiteSetting.default_categories_muted, category.id].reject(&:blank?).join("|")
+          end
           category
         end
       }
diff --git a/spec/fixtures/json/import-export.json b/spec/fixtures/json/import-export.json
index bae4e2b7bfa..aaf292a1c22 100644
--- a/spec/fixtures/json/import-export.json
+++ b/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":"0088CC","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":"27AA5B","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":"0088CC","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":"A461EF","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":"E45735","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":"0088CC","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}}
+    {"id":8,"name":"Custom Category","color":"0088CC","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":"","all_topics_wiki":false,"permissions_params":{"custom_group":1,"everyone":2}},
+    {"id":10,"name":"Site Feedback Import","color":"27AA5B","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,"all_topics_wiki":false,"permissions_params":{}},
+    {"id":11,"name":"Uncategorized Import","color":"0088CC","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,"all_topics_wiki":false,"permissions_params":{}},
+    {"id":12,"name":"Lounge Import","color":"A461EF","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,"all_topics_wiki":false,"permissions_params":{"trust_level_3":1}},
+    {"id":13,"name":"Staff Import","color":"E45735","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,"all_topics_wiki":false,"permissions_params":{"custom_group_import":1,"staff":1}},
+    {"id":15,"name":"Custom Category Import","color":"0088CC","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":"","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},
diff --git a/spec/models/category_featured_topic_spec.rb b/spec/models/category_featured_topic_spec.rb
index 42448484baf..0812237863b 100644
--- a/spec/models/category_featured_topic_spec.rb
+++ b/spec/models/category_featured_topic_spec.rb
@@ -12,10 +12,6 @@ describe CategoryFeaturedTopic do
     fab!(:category)      { Fabricate(:category) }
     let!(:category_post) { PostCreator.create(user, raw: "I put this post in the category", title: "categorize THIS", category: category.id) }
 
-    before do
-      CategoryFeaturedTopic.clear_exclude_category_ids
-    end
-
     it "works in batched mode" do
       category2 = Fabricate(:category)
       post2 = create_post(category: category2.id)
@@ -57,20 +53,6 @@ describe CategoryFeaturedTopic do
       expect(CategoryFeaturedTopic.count).to be(1)
     end
 
-    it 'should not include topics from suppressed categories' do
-      CategoryFeaturedTopic.feature_topics_for(category)
-      expect(
-        CategoryFeaturedTopic.where(category_id: category.id).order('rank asc').pluck(:topic_id)
-      ).to contain_exactly(category_post.topic.id)
-
-      category.update(suppress_from_latest: true)
-
-      CategoryFeaturedTopic.feature_topics_for(category)
-      expect(
-        CategoryFeaturedTopic.where(category_id: category.id).order('rank asc').pluck(:topic_id)
-      ).to_not contain_exactly(category_post.topic.id)
-    end
-
     it 'should feature stuff in the correct order' do
       category = Fabricate(:category, num_featured_topics: 2)
       _t5 = Fabricate(:topic, category_id: category.id, bumped_at: 12.minutes.ago)
diff --git a/spec/requests/categories_controller_spec.rb b/spec/requests/categories_controller_spec.rb
index 2457c286c6b..0ff51d1c924 100644
--- a/spec/requests/categories_controller_spec.rb
+++ b/spec/requests/categories_controller_spec.rb
@@ -8,18 +8,6 @@ describe CategoriesController do
 
   context 'index' do
 
-    it 'suppresses categories correctly' do
-      post = create_post(title: 'super AMAZING AMAZING post')
-
-      get "/categories"
-      expect(response.body).to include('AMAZING AMAZING')
-
-      post.topic.category.update_columns(suppress_from_latest: true)
-
-      get "/categories"
-      expect(response.body).not_to include('AMAZING AMAZING')
-    end
-
     it 'web crawler view has correct urls for subfolder install' do
       set_subfolder "/forum"
       get '/categories', headers: { 'HTTP_USER_AGENT' => 'Googlebot' }
diff --git a/spec/requests/list_controller_spec.rb b/spec/requests/list_controller_spec.rb
index beb7f5af74c..788ce3b738a 100644
--- a/spec/requests/list_controller_spec.rb
+++ b/spec/requests/list_controller_spec.rb
@@ -21,12 +21,6 @@ RSpec.describe ListController do
       get "/latest?max_posts=bob"
       expect(response.status).to eq(400)
 
-      get "/latest?exclude_category_ids=bob"
-      expect(response.status).to eq(400)
-
-      get "/latest?exclude_category_ids[]=bob"
-      expect(response.status).to eq(400)
-
       get "/latest?max_posts=1111111111111111111111111111111111111111"
       expect(response.status).to eq(400)
 
@@ -41,10 +35,7 @@ RSpec.describe ListController do
     end
 
     it "returns 200 for legit requests" do
-      get "/latest.json?exclude_category_ids%5B%5D=69&exclude_category_ids%5B%5D=70&no_definitions=true&no_subcategories=false&page=1&_=1534296100767"
-      expect(response.status).to eq(200)
-
-      get "/latest.json?exclude_category_ids=-1"
+      get "/latest.json?no_definitions=true&no_subcategories=false&page=1&_=1534296100767"
       expect(response.status).to eq(200)
 
       get "/latest.json?max_posts=12"
@@ -108,33 +99,6 @@ 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
@@ -650,29 +614,4 @@ RSpec.describe ListController do
       expect(ListController.best_periods_for(nil, :daily)).to eq([:daily, :all])
     end
   end
-
-  describe "categories suppression" do
-    let(:category_one) { Fabricate(:category_with_definition) }
-    let(:sub_category) { Fabricate(:category_with_definition, parent_category: category_one, suppress_from_latest: true) }
-    let!(:topic_in_sub_category) { Fabricate(:topic, category: sub_category) }
-
-    let(:category_two) { Fabricate(:category_with_definition, suppress_from_latest: true) }
-    let!(:topic_in_category_two) { Fabricate(:topic, category: category_two) }
-
-    it "suppresses categories from the latest list" do
-      get "/#{SiteSetting.homepage}.json"
-      expect(response.status).to eq(200)
-
-      topic_titles = JSON.parse(response.body)["topic_list"]["topics"].map { |t| t["title"] }
-      expect(topic_titles).not_to include(topic_in_sub_category.title, topic_in_category_two.title)
-    end
-
-    it "does not suppress" do
-      get "/#{SiteSetting.homepage}.json", params: { category: category_one.id }
-      expect(response.status).to eq(200)
-
-      topic_titles = JSON.parse(response.body)["topic_list"]["topics"].map { |t| t["title"] }
-      expect(topic_titles).to include(topic_in_sub_category.title)
-    end
-  end
 end