Refactor StatusReachFinder to be used in more places

app/workers/activitypub/processing_worker.rb

@@ -5,9 +5,36 @@ class ActivityPub::ProcessingWorker
 
   sidekiq_options backtrace: true, retry: 8
 
-  def perform(account_id, body, delivered_to_account_id = nil)
-    ActivityPub::ProcessCollectionService.new.call(body, Account.find(account_id), override_timestamps: true, delivered_to_account_id: delivered_to_account_id, delivery: true)
+  def perform(account_id, body, delivered_to_account_id = nil, headers = {})
+    @account                 = Account.find(account_id)
+    @body                    = body
+    @delivered_to_account_id = delivered_to_account_id
+    @headers                 = headers
+
+    process_collection_synchronization!
+    process_collection!
   rescue ActiveRecord::RecordInvalid => e
-    Rails.logger.debug "Error processing incoming ActivityPub object: #{e}"
+    Rails.logger.debug "Error processing incoming ActivityPub payload: #{e}"
+  end
+
+  private
+
+  def process_collection_synchronization!
+    collection_synchronization = @headers['Collection-Synchronization']
+
+    return if collection_synchronization.blank?
+
+    ActivityPub::ProcessCollectionSynchronizationService.new.call(@account, collection_synchronization)
+  end
+
+  def process_collection!
+    ActivityPub::ProcessCollectionService.new.call(
+      @body,
+      @account,
+      override_timestamps: true,
+      delivered_to_account_id: @delivered_to_account_id,
+      delivery: true,
+      headers: @headers
+    )
   end
 end