Change Move handler to also move list memberships (#24808)

app/services/follow_migration_service.rb

@@ -9,10 +9,10 @@ class FollowMigrationService < FollowService
   def call(source_account, target_account, old_target_account, bypass_locked: false)
     @old_target_account = old_target_account
 
-    follow    = source_account.active_relationships.find_by(target_account: old_target_account)
-    reblogs   = follow&.show_reblogs?
-    notify    = follow&.notify?
-    languages = follow&.languages
+    @original_follow = source_account.active_relationships.find_by(target_account: old_target_account)
+    reblogs          = @original_follow&.show_reblogs?
+    notify           = @original_follow&.notify?
+    languages        = @original_follow&.languages
 
     super(source_account, target_account, reblogs: reblogs, notify: notify, languages: languages, bypass_locked: bypass_locked, bypass_limit: true)
   end
@@ -21,6 +21,7 @@ class FollowMigrationService < FollowService
 
   def request_follow!
     follow_request = @source_account.request_follow!(@target_account, **follow_options.merge(rate_limit: @options[:with_rate_limit], bypass_limit: @options[:bypass_limit]))
+    migrate_list_accounts!
 
     if @target_account.local?
       LocalNotificationWorker.perform_async(@target_account.id, follow_request.id, follow_request.class.name, 'follow_request')
@@ -34,7 +35,16 @@ class FollowMigrationService < FollowService
 
   def direct_follow!
     follow = super
+
+    migrate_list_accounts!
     UnfollowService.new.call(@source_account, @old_target_account, skip_unmerge: true)
+
     follow
   end
+
+  def migrate_list_accounts!
+    ListAccount.where(follow_id: @original_follow.id).includes(:list).find_each do |list_account|
+      list_account.list.accounts << @target_account
+    end
+  end
 end

app/workers/move_worker.rb

@@ -8,9 +8,9 @@ class MoveWorker
     @target_account = Account.find(target_account_id)
 
     if @target_account.local? && @source_account.local?
-      nb_moved = rewrite_follows!
-      @source_account.update_count!(:followers_count, -nb_moved)
-      @target_account.update_count!(:followers_count, nb_moved)
+      num_moved = rewrite_follows!
+      @source_account.update_count!(:followers_count, -num_moved)
+      @target_account.update_count!(:followers_count, num_moved)
     else
       queue_follow_unfollows!
     end
@@ -29,12 +29,18 @@ class MoveWorker
   private
 
   def rewrite_follows!
+    num_moved = 0
+
     @source_account.passive_relationships
                    .where(account: Account.local)
                    .where.not(account: @target_account.followers.local)
                    .where.not(account_id: @target_account.id)
-                   .in_batches
-                   .update_all(target_account_id: @target_account.id)
+                   .in_batches do |follows|
+      ListAccount.where(follow: follows).in_batches.update_all(account_id: @target_account.id)
+      num_moved += follows.update_all(target_account_id: @target_account.id)
+    end
+
+    num_moved
   end
 
   def queue_follow_unfollows!

spec/workers/move_worker_spec.rb

@@ -5,22 +5,28 @@ require 'rails_helper'
 describe MoveWorker do
   subject { described_class.new }
 
-  let(:local_follower)   { Fabricate(:account) }
+  let(:local_follower)   { Fabricate(:account, domain: nil) }
   let(:blocking_account) { Fabricate(:account) }
   let(:muting_account)   { Fabricate(:account) }
-  let(:source_account)   { Fabricate(:account, protocol: :activitypub, domain: 'example.com') }
-  let(:target_account)   { Fabricate(:account, protocol: :activitypub, domain: 'example.com') }
+  let(:source_account)   { Fabricate(:account, protocol: :activitypub, domain: 'example.com', uri: 'https://example.org/a', inbox_url: 'https://example.org/a/inbox') }
+  let(:target_account)   { Fabricate(:account, protocol: :activitypub, domain: 'example.com', uri: 'https://example.org/b', inbox_url: 'https://example.org/b/inbox') }
   let(:local_user)       { Fabricate(:user) }
   let(:comment)          { 'old note prior to move' }
   let!(:account_note)    { Fabricate(:account_note, account: local_user.account, target_account: source_account, comment: comment) }
+  let(:list)             { Fabricate(:list, account: local_follower) }
 
   let(:block_service) { double }
 
   before do
+    stub_request(:post, 'https://example.org/a/inbox').to_return(status: 200)
+    stub_request(:post, 'https://example.org/b/inbox').to_return(status: 200)
+
     local_follower.follow!(source_account)
     blocking_account.block!(source_account)
     muting_account.mute!(source_account)
 
+    list.accounts << source_account
+
     allow(BlockService).to receive(:new).and_return(block_service)
     allow(block_service).to receive(:call)
   end
@@ -86,16 +92,27 @@ describe MoveWorker do
     end
   end
 
+  shared_examples 'lists handling' do
+    it 'updates lists' do
+      subject.perform(source_account.id, target_account.id)
+      expect(list.accounts.include?(target_account)).to be true
+    end
+  end
+
   context 'both accounts are distant' do
     describe 'perform' do
       it 'calls UnfollowFollowWorker' do
-        expect_push_bulk_to_match(UnfollowFollowWorker, [[local_follower.id, source_account.id, target_account.id, false]])
+        Sidekiq::Testing.fake! do
           subject.perform(source_account.id, target_account.id)
+          expect(UnfollowFollowWorker).to have_enqueued_sidekiq_job(local_follower.id, source_account.id, target_account.id, false)
+          Sidekiq::Worker.drain_all
+        end
       end
 
       include_examples 'user note handling'
       include_examples 'block and mute handling'
       include_examples 'followers count handling'
+      include_examples 'lists handling'
     end
   end
 
@@ -104,13 +121,17 @@ describe MoveWorker do
 
     describe 'perform' do
       it 'calls UnfollowFollowWorker' do
-        expect_push_bulk_to_match(UnfollowFollowWorker, [[local_follower.id, source_account.id, target_account.id, true]])
+        Sidekiq::Testing.fake! do
           subject.perform(source_account.id, target_account.id)
+          expect(UnfollowFollowWorker).to have_enqueued_sidekiq_job(local_follower.id, source_account.id, target_account.id, true)
+          Sidekiq::Worker.clear_all
+        end
       end
 
       include_examples 'user note handling'
       include_examples 'block and mute handling'
       include_examples 'followers count handling'
+      include_examples 'lists handling'
     end
   end
 
@@ -127,6 +148,7 @@ describe MoveWorker do
       include_examples 'user note handling'
       include_examples 'block and mute handling'
       include_examples 'followers count handling'
+      include_examples 'lists handling'
 
       it 'does not fail when a local user is already following both accounts' do
         double_follower = Fabricate(:account)