Add AlgoliaSearchable to Article (#20892)

* Add AlgoliaSearchable to Article

* Remove comments

* Fix spec

app/models/article.rb

@@ -5,6 +5,7 @@ class Article < ApplicationRecord
   include Taggable
   include UserSubscriptionSourceable
   include PgSearch::Model
+  include AlgoliaSearchable
 
   acts_as_taggable_on :tags
   resourcify

app/models/concerns/algolia_searchable/searchable_article.rb

@@ -0,0 +1,36 @@
+module AlgoliaSearchable
+  module SearchableArticle
+    extend ActiveSupport::Concern
+
+    included do
+      include AlgoliaSearch
+
+      algoliasearch(**DEFAULT_ALGOLIA_SETTINGS, if: :indexable) do
+        attribute :user do
+          { name: user.name, username: user.username, profile_image: user.profile_image_90 }
+        end
+
+        attribute :title, :tag_list, :reading_time, :score, :featured, :featured_number, :comments_count,
+                  :reaction_counts, :positive_reaction_counts, :path, :main_image
+
+        attribute :published_at do
+          published_at.to_i
+        end
+      end
+    end
+
+    class_methods do
+      def trigger_sidekiq_worker(record, delete)
+        AlgoliaSearch::SearchIndexWorker.perform_async(record.class.name, record.id, delete)
+      end
+    end
+
+    def indexable
+      published && score.positive?
+    end
+
+    def indexable_changed?
+      published_changed? || score_changed?
+    end
+  end
+end

spec/models/article_spec.rb

@@ -1672,4 +1672,13 @@ RSpec.describe Article do
       expect(article.skip_indexing_reason).to eq("unknown")
     end
   end
+
+  context "when indexing with Algolia", :algolia do
+    it "indexes the article" do
+      allow(AlgoliaSearch::SearchIndexWorker).to receive(:perform_async)
+      create(:article)
+      expect(AlgoliaSearch::SearchIndexWorker).to have_received(:perform_async).with("Article", kind_of(Integer),
+                                                                                     false).once
+    end
+  end
 end