[Federation] Add backend support for ActivityPub object titles

1 files changed, 13 insertions, 0 deletions

diff --git a/app/lib/activitypub/activity/create.rb b/app/lib/activitypub/activity/create.rb
index 10a0a9498..12c3b0d19 100644
--- a/app/lib/activitypub/activity/create.rb
+++ b/app/lib/activitypub/activity/create.rb
@@ -122,6 +122,7 @@ class ActivityPub::Activity::Create < ActivityPub::Activity
         text: text_from_content || '',
         language: detected_language,
         spoiler_text: converted_object_type? ? '' : (text_from_summary || ''),
+        title: text_from_title,
         created_at: @object['published'],
         override_timestamps: @options[:override_timestamps],
         reply: @object['inReplyTo'].present?,
@@ -451,6 +452,14 @@ class ActivityPub::Activity::Create < ActivityPub::Activity
     end
   end
 
+  def text_from_title
+    if @object['title'].present?
+      @object['title']
+    elsif title_language_map?
+      @object['titleMap'].values.first
+    end
+  end
+
   def text_from_name
     if @object['name'].present?
       @object['name']
@@ -487,6 +496,10 @@ class ActivityPub::Activity::Create < ActivityPub::Activity
     @object['summaryMap'].is_a?(Hash) && !@object['summaryMap'].empty?
   end
 
+  def title_language_map?
+    @object['titleMap'].is_a?(Hash) && !@object['titleMap'].empty?
+  end
+
   def content_language_map?
     @object['contentMap'].is_a?(Hash) && !@object['contentMap'].empty?
   end