Present social media accounts to publishing API

app/models/editionable_topical_event.rb

@@ -1,6 +1,6 @@
 class EditionableTopicalEvent < Edition
   include Edition::SocialMediaAccounts
-  
+
   def display_type_key
     "editionable_topical_event"
   end

app/presenters/publishing_api/editionable_topical_event_presenter.rb

@@ -35,8 +35,22 @@ def links
       {}
     end
 
+  private
+
     def details
-      {}
+      {}.tap do |details|
+        details[:social_media_links] = social_media_links
+      end
+    end
+
+    def social_media_links
+      item.social_media_accounts.map do |social_media_account|
+        {
+          href: social_media_account.url,
+          service_type: social_media_account.service_name.parameterize,
+          title: social_media_account.display_name,
+        }
+      end
     end
   end
 end

test/unit/app/presenters/publishing_api/editionable_topical_event_presenter_test.rb

@@ -6,10 +6,21 @@ def present(...)
   end
 
   test "presents a Topical Event ready for adding to the publishing API" do
-    topical_event = create(:editionable_topical_event)
+    topical_event = create(:editionable_topical_event,
+                           :with_social_media_account)
 
     public_path = topical_event.public_path
 
+    expected_details = {
+      social_media_links: [
+        {
+          href: topical_event.social_media_accounts.first.url,
+          service_type: topical_event.social_media_accounts.first.service_name.parameterize,
+          title: topical_event.social_media_accounts.first.display_name,
+        },
+      ],
+    }
+
     expected_hash = {
       base_path: public_path,
       title: topical_event.title,
@@ -22,7 +33,7 @@ def present(...)
       public_updated_at: topical_event.updated_at,
       routes: [{ path: public_path, type: "exact" }],
       redirects: [],
-      details: {},
+      details: expected_details,
       update_type: "major",
     }