DEV: Add categories_and_hot Route (#29948)

This PR adds a route to categories_and_hot and methods in categories_controller.

app/controllers/categories_controller.rb

@@ -7,6 +7,7 @@ class CategoriesController < ApplicationController
                    index
                    categories_and_latest
                    categories_and_top
+                   categories_and_hot
                    show
                    redirect
                    find_by_slug
@@ -17,7 +18,14 @@ class CategoriesController < ApplicationController
 
   before_action :fetch_category, only: %i[show update destroy visible_groups]
   before_action :initialize_staff_action_logger, only: %i[create update destroy]
-  skip_before_action :check_xhr, only: %i[index categories_and_latest categories_and_top redirect]
+  skip_before_action :check_xhr,
+                     only: %i[
+                       index
+                       categories_and_latest
+                       categories_and_top
+                       categories_and_hot
+                       redirect
+                     ]
   skip_before_action :verify_authenticity_token, only: %i[search]
 
   SYMMETRICAL_CATEGORIES_TO_TOPICS_FACTOR = 1.5
@@ -74,6 +82,10 @@ class CategoriesController < ApplicationController
     categories_and_topics(:top)
   end
 
+  def categories_and_hot
+    categories_and_topics(:hot)
+  end
+
   def move
     guardian.ensure_can_create_category!
 
@@ -650,6 +662,9 @@ class CategoriesController < ApplicationController
           SiteSetting.top_page_default_timeframe.to_sym,
         )
       @topic_list.more_topics_url = url_for(top_path)
+    when "categories_and_hot_topics"
+      @topic_list = TopicQuery.new(current_user, topic_options).list_hot
+      @topic_list.more_topics_url = url_for(hot_path)
     end
 
     @topic_list

config/routes.rb

@@ -1215,6 +1215,7 @@ Discourse::Application.routes.draw do
 
     get "categories_and_latest" => "categories#categories_and_latest"
     get "categories_and_top" => "categories#categories_and_top"
+    get "categories_and_hot" => "categories#categories_and_hot"
 
     get "c/:id/show" => "categories#show"
     get "c/:id/visible_groups" => "categories#visible_groups"

spec/requests/categories_controller_spec.rb

@@ -1053,6 +1053,17 @@ RSpec.describe CategoriesController do
       expect(response.parsed_body["topic_list"]["more_topics_url"]).to start_with("/top")
     end
 
+    it "includes more_topics_url in the response to /categories_and_hot" do
+      SiteSetting.categories_topics = 5
+
+      Fabricate.times(10, :topic, category: category, like_count: 1000, posts_count: 100)
+      TopicHotScore.update_scores
+
+      get "/categories_and_hot.json"
+      expect(response.status).to eq(200)
+      expect(response.parsed_body["topic_list"]["more_topics_url"]).to start_with("/hot")
+    end
+
     describe "Showing top topics from private categories" do
       it "returns the top topic from the private category when the user is a member" do
         restricted_group = Fabricate(:group)
@@ -1072,6 +1083,26 @@ RSpec.describe CategoriesController do
         expect(parsed_topic).to be_present
       end
     end
+
+    describe "Showing hot topics from private categories" do
+      it "returns the hot topic from the private category when the user is a member" do
+        restricted_group = Fabricate(:group)
+        private_cat = Fabricate(:private_category, group: restricted_group)
+        private_topic = Fabricate(:topic, category: private_cat, like_count: 1000, posts_count: 100)
+        TopicHotScore.update_scores
+        restricted_group.add(user)
+        sign_in(user)
+
+        get "/categories_and_hot.json"
+        parsed_topic =
+          response
+            .parsed_body
+            .dig("topic_list", "topics")
+            .detect { |t| t.dig("id") == private_topic.id }
+
+        expect(parsed_topic).to be_present
+      end
+    end
   end
 
   describe "#visible_groups" do