2 files changed, 14 insertions, 0 deletions
diff --git a/app/models/media_attachment.rb b/app/models/media_attachment.rb
index 1741d20e9..0a9d05f1d 100644
--- a/app/models/media_attachment.rb
+++ b/app/models/media_attachment.rb
@@ -208,6 +208,10 @@ class MediaAttachment < ApplicationRecord
     file.blank? && remote_url.present?
   end
 
+  def significantly_changed?
+    description_previously_changed? || thumbnail_updated_at_previously_changed? || file_meta_previously_changed?
+  end
+
   def larger_media_format?
     video? || gifv? || audio?
   end
diff --git a/app/models/status.rb b/app/models/status.rb
index 47671c0f5..4fabf24ef 100644
--- a/app/models/status.rb
+++ b/app/models/status.rb
@@ -209,6 +209,16 @@ class Status < ApplicationRecord
     public_visibility? || unlisted_visibility?
   end
 
+  def snapshot!(media_attachments_changed: false, account_id: nil, at_time: nil)
+    edits.create!(
+      text: text,
+      spoiler_text: spoiler_text,
+      media_attachments_changed: media_attachments_changed,
+      account_id: account_id || self.account_id,
+      created_at: at_time || edited_at
+    )
+  end
+
   def edited?
     edited_at.present?
   end