Change how changes to media attachments are stored for edits (#17696)

* Change how changes to media attachments are stored for edits

Fix not being able to re-order media attachments

* Fix not broadcasting updates when polls/media is changed through ActivityPub

* Various fixes and improvements

* Update app/models/report.rb

Co-authored-by: Claire <claire.github-309c@sitedethib.com>

* Add tracking of media attachment description changes

* Change poll in status edit to have a structure closer to the real one

Co-authored-by: Claire <claire.github-309c@sitedethib.com>

1 files changed, 33 insertions, 8 deletions

diff --git a/app/models/status_edit.rb b/app/models/status_edit.rb
index 6e88864e8..94a387c36 100644
--- a/app/models/status_edit.rb
+++ b/app/models/status_edit.rb
@@ -3,17 +3,29 @@
 #
 # Table name: status_edits
 #
-#  id                        :bigint(8)        not null, primary key
-#  status_id                 :bigint(8)        not null
-#  account_id                :bigint(8)
-#  text                      :text             default(""), not null
-#  spoiler_text              :text             default(""), not null
-#  media_attachments_changed :boolean          default(FALSE), not null
-#  created_at                :datetime         not null
-#  updated_at                :datetime         not null
+#  id                           :bigint(8)        not null, primary key
+#  status_id                    :bigint(8)        not null
+#  account_id                   :bigint(8)
+#  text                         :text             default(""), not null
+#  spoiler_text                 :text             default(""), not null
+#  created_at                   :datetime         not null
+#  updated_at                   :datetime         not null
+#  ordered_media_attachment_ids :bigint(8)        is an Array
+#  media_descriptions           :text             is an Array
+#  poll_options                 :string           is an Array
+#  sensitive                    :boolean
 #
 
 class StatusEdit < ApplicationRecord
+  self.ignored_columns = %w(
+    media_attachments_changed
+  )
+
+  class PreservedMediaAttachment < ActiveModelSerializers::Model
+    attributes :media_attachment, :description
+    delegate :id, :type, :url, :preview_url, :remote_url, :preview_remote_url, :text_url, :meta, :blurhash, to: :media_attachment
+  end
+
   belongs_to :status
   belongs_to :account, optional: true
 
@@ -25,4 +37,17 @@ class StatusEdit < ApplicationRecord
     return @emojis if defined?(@emojis)
     @emojis = CustomEmoji.from_text([spoiler_text, text].join(' '), status.account.domain)
   end
+
+  def ordered_media_attachments
+    return @ordered_media_attachments if defined?(@ordered_media_attachments)
+
+    @ordered_media_attachments = begin
+      if ordered_media_attachment_ids.nil?
+        []
+      else
+        map = status.media_attachments.index_by(&:id)
+        ordered_media_attachment_ids.map.with_index { |media_attachment_id, index| PreservedMediaAttachment.new(media_attachment: map[media_attachment_id], description: media_descriptions[index]) }
+      end
+    end
+  end
 end