Add `created_before` and `updated_before` scopes to `MediaAttachment` (#28869)

app/lib/vacuum/media_attachments_vacuum.rb

@@ -27,11 +27,17 @@ class Vacuum::MediaAttachmentsVacuum
   end
 
   def media_attachments_past_retention_period
-    MediaAttachment.remote.cached.where(MediaAttachment.arel_table[:created_at].lt(@retention_period.ago)).where(MediaAttachment.arel_table[:updated_at].lt(@retention_period.ago))
+    MediaAttachment
+      .remote
+      .cached
+      .created_before(@retention_period.ago)
+      .updated_before(@retention_period.ago)
   end
 
   def orphaned_media_attachments
-    MediaAttachment.unattached.where(MediaAttachment.arel_table[:created_at].lt(TTL.ago))
+    MediaAttachment
+      .unattached
+      .created_before(TTL.ago)
   end
 
   def retention_period?

app/models/media_attachment.rb

@@ -206,10 +206,12 @@ class MediaAttachment < ApplicationRecord
 
   scope :attached, -> { where.not(status_id: nil).or(where.not(scheduled_status_id: nil)) }
   scope :cached, -> { remote.where.not(file_file_name: nil) }
+  scope :created_before, ->(value) { where(arel_table[:created_at].lt(value)) }
   scope :local, -> { where(remote_url: '') }
   scope :ordered, -> { order(id: :asc) }
   scope :remote, -> { where.not(remote_url: '') }
   scope :unattached, -> { where(status_id: nil, scheduled_status_id: nil) }
+  scope :updated_before, ->(value) { where(arel_table[:updated_at].lt(value)) }
 
   attr_accessor :skip_download
 

lib/mastodon/cli/statuses.rb

@@ -120,7 +120,7 @@ module Mastodon::CLI
 
       say('Beginning removal of now-orphaned media attachments to free up disk space...')
 
-      scope     = MediaAttachment.unattached.where('created_at < ?', options[:days].pred.days.ago)
+      scope     = MediaAttachment.unattached.created_before(options[:days].pred.days.ago)
       processed = 0
       removed   = 0
       progress  = create_progress_bar(scope.count)