Handle duplicate ActivityPub activities (#4639)

* Handle duplicate ActivityPub activities

Only perform side-effects when record processed for the first time

* Fast-forward repeat follow requests

1 files changed, 8 insertions, 3 deletions

diff --git a/app/services/authorize_follow_service.rb b/app/services/authorize_follow_service.rb
index db35b6030..6f036dc5a 100644
--- a/app/services/authorize_follow_service.rb
+++ b/app/services/authorize_follow_service.rb
@@ -1,9 +1,14 @@
 # frozen_string_literal: true
 
 class AuthorizeFollowService < BaseService
-  def call(source_account, target_account)
-    follow_request = FollowRequest.find_by!(account: source_account, target_account: target_account)
-    follow_request.authorize!
+  def call(source_account, target_account, options = {})
+    if options[:skip_follow_request]
+      follow_request = FollowRequest.new(account: source_account, target_account: target_account)
+    else
+      follow_request = FollowRequest.find_by!(account: source_account, target_account: target_account)
+      follow_request.authorize!
+    end
+
     create_notification(follow_request) unless source_account.local?
     follow_request
   end