Give Admins the Ability to Add Co-Authors to Posts (#10252) [deploy]

* Adds second_user_id and third_user_id to Admin::Articles::Controller and Article model
  - Add second_user_id to #update
  - Add third_user_id to #update
  - Add second_user_id to #article_params
  - Add third_user_id to #article_params
  - Add second and third user_ids to :limited_columns_internal_select

* Adds a second_user_id and third_user_id form field to _individual_article.html.erb

* Adds tests around adding a co-author and multiple co-authors to an article in articles_spec.rb

app/controllers/admin/articles_controller.rb

@@ -45,6 +45,8 @@ module Admin
       article.boosted_additional_articles = article_params[:boosted_additional_articles].to_s == "true"
       article.boosted_dev_digest_email = article_params[:boosted_dev_digest_email].to_s == "true"
       article.user_id = article_params[:user_id].to_i
+      article.second_user_id = article_params[:second_user_id].to_i
+      article.third_user_id = article_params[:third_user_id].to_i
       article.update!(article_params)
       render body: nil
     end
@@ -129,6 +131,8 @@ module Admin
                           main_image_background_hex_color
                           featured_number
                           user_id
+                          second_user_id
+                          third_user_id
                           last_buffered]
       params.require(:article).permit(allowed_params)
     end

app/models/article.rb

@@ -143,7 +143,7 @@ class Article < ApplicationRecord
            :video_thumbnail_url, :video_closed_caption_track_url, :social_image,
            :published_from_feed, :crossposted_at, :published_at, :featured_number,
            :last_buffered, :facebook_last_buffered, :created_at, :body_markdown,
-           :email_digest_eligible, :processed_html)
+           :email_digest_eligible, :processed_html, :second_user_id, :third_user_id)
   }
 
   scope :boosted_via_additional_articles, lambda {

app/views/admin/articles/_individual_article.html.erb

@@ -85,6 +85,16 @@
         <input id="author_id_<%= article.id %>" class="form-control" size="6" name="article[user_id]"
           value="<%= article.user_id %>">
       </div>
+      <div class="form-group col">
+        <label for="second_author_id_<%= article.id %>">Second Author ID:</label>
+        <input id="second_author_id_<%= article.id %>" class="form-control" size="6" name="article[second_user_id]"
+          value="<%= article.second_user_id %>">
+      </div>
+      <div class="form-group col">
+        <label for="third_author_id_<%= article.id %>">Third Author ID:</label>
+        <input id="third_author_id_<%= article.id %>" class="form-control" size="6" name="article[third_user_id]"
+          value="<%= article.third_user_id %>">
+      </div>
     </div>
     <div class="row">
       <div class="form-check col">

spec/requests/admin/articles_spec.rb

@@ -5,4 +5,25 @@ RSpec.describe "/admin/articles", type: :request do
   it_behaves_like "an InternalPolicy dependant request", Article do
     let(:request) { get "/admin/articles" }
   end
+
+  context "when updating an Article via /admin/articles" do
+    let(:super_admin) { create(:user, :super_admin) }
+    let(:article) { create(:article) }
+
+    before { sign_in super_admin }
+
+    it "allows an Admin to add a co-author to an individual article" do
+      get request
+      expect do
+        article.update_columns(second_user_id: 1)
+      end.to change(article, :second_user_id).from(nil).to(1)
+    end
+
+    it "allows an Admin to add co-authora to an individual article" do
+      article.update_columns(second_user_id: 2, third_user_id: 3)
+      get request
+      expect(article.second_user_id).to eq(2)
+      expect(article.third_user_id).to eq(3)
+    end
+  end
 end