Fix reblogs being discarded after the reblogged status (#19731)

app/controllers/api/v1/statuses_controller.rb

@@ -77,7 +77,7 @@ class Api::V1::StatusesController < Api::BaseController
     @status = Status.where(account: current_account).find(params[:id])
     authorize @status, :destroy?
 
-    @status.discard
+    @status.discard_with_reblogs
     StatusPin.find_by(status: @status)&.destroy
     @status.account.statuses_count = @status.account.statuses_count - 1
     json = render_to_body json: @status, serializer: REST::StatusSerializer, source_requested: true

app/lib/status_reach_finder.rb

@@ -55,7 +55,7 @@ class StatusReachFinder
 
   # Beware: Reblogs can be created without the author having had access to the status
   def reblogs_account_ids
-    @status.reblogs.pluck(:account_id) if distributable? || unsafe?
+    @status.reblogs.rewhere(deleted_at: [nil, @status.deleted_at]).pluck(:account_id) if distributable? || unsafe?
   end
 
   # Beware: Favourites can be created without the author having had access to the status

app/models/admin/status_batch_action.rb

@@ -44,7 +44,7 @@ class Admin::StatusBatchAction
 
     ApplicationRecord.transaction do
       statuses.each do |status|
-        status.discard
+        status.discard_with_reblogs
         log_action(:destroy, status)
       end
 

app/models/status.rb

@@ -440,6 +440,12 @@ class Status < ApplicationRecord
     im
   end
 
+  def discard_with_reblogs
+    discard_time = Time.current
+    Status.unscoped.where(reblog_of_id: id, deleted_at: [nil, deleted_at]).in_batches.update_all(deleted_at: discard_time) unless reblog?
+    update_attribute(:deleted_at, discard_time)
+  end
+
   private
 
   def update_status_stat!(attrs)

app/services/account_statuses_cleanup_service.rb

@@ -14,7 +14,7 @@ class AccountStatusesCleanupService < BaseService
     last_deleted = nil
 
     account_policy.statuses_to_delete(budget, cutoff_id, account_policy.last_inspected).reorder(nil).find_each(order: :asc) do |status|
-      status.discard
+      status.discard_with_reblogs
       RemovalWorker.perform_async(status.id, { 'redraft' => false })
       num_deleted += 1
       last_deleted = status.id

app/services/remove_status_service.rb

@@ -19,7 +19,7 @@ class RemoveStatusService < BaseService
     @options  = options
 
     with_lock("distribute:#{@status.id}") do
-      @status.discard
+      @status.discard_with_reblogs
 
       StatusPin.find_by(status: @status)&.destroy
 
@@ -102,7 +102,7 @@ class RemoveStatusService < BaseService
     # because once original status is gone, reblogs will disappear
     # without us being able to do all the fancy stuff
 
-    @status.reblogs.includes(:account).reorder(nil).find_each do |reblog|
+    @status.reblogs.rewhere(deleted_at: [nil, @status.deleted_at]).includes(:account).reorder(nil).find_each do |reblog|
       RemoveStatusService.new.call(reblog, original_removed: true)
     end
   end