Fix articles endpoint performance

app/controllers/public/api/v1/portals/articles_controller.rb

@@ -7,6 +7,7 @@ class Public::Api::V1::Portals::ArticlesController < Public::Api::V1::Portals::B
 
   def index
     @articles = @portal.articles.published
+    @articles_count = @articles.count
     search_articles
     order_by_sort_param
     @articles.page(list_params[:page]) if list_params[:page].present?
@@ -44,7 +45,7 @@ class Public::Api::V1::Portals::ArticlesController < Public::Api::V1::Portals::B
   end
 
   def list_params
-    params.permit(:query, :locale, :sort, :status)
+    params.permit(:query, :locale, :sort, :status, :page)
   end
 
   def permitted_params

app/views/public/api/v1/models/_article.json.jbuilder

@@ -11,7 +11,13 @@ json.slug article.slug
 
 if article.portal.present?
   json.portal do
-    json.partial! 'public/api/v1/models/hc/portal', formats: [:json], portal: article.portal
+    json.custom_domain article.portal.custom_domain
+    json.header_text article.portal.header_text
+    json.homepage_link article.portal.homepage_link
+    json.name article.portal.name
+    json.page_title article.portal.page_title
+    json.slug article.portal.slug
+    json.logo article.portal.file_base_data if article.portal.logo.present?
   end
 end
 
@@ -31,12 +37,4 @@ if article.author.present?
   end
 end
 
-json.associated_articles do
-  if article.associated_articles.any?
-    json.array! article.associated_articles.each do |associated_article|
-      json.partial! 'public/api/v1/models/hc/associated_article', formats: [:json], article: associated_article
-    end
-  end
-end
-
 json.link "hc/#{article.portal.slug}/articles/#{article.slug}"

app/views/public/api/v1/portals/articles/index.json.jbuilder

@@ -4,5 +4,5 @@ json.payload do
 end
 
 json.meta do
-  json.articles_count @articles.published.size
+  json.articles_count @articles_count
 end