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>

spec/services/activitypub/process_status_update_service_spec.rb

@@ -124,7 +124,7 @@ RSpec.describe ActivityPub::ProcessStatusUpdateService, type: :service do
       end
 
       it 'updates media attachments' do
-        media_attachment = status.media_attachments.reload.first
+        media_attachment = status.reload.ordered_media_attachments.first
 
         expect(media_attachment).to_not be_nil
         expect(media_attachment.remote_url).to eq 'https://example.com/foo.png'
@@ -135,7 +135,7 @@ RSpec.describe ActivityPub::ProcessStatusUpdateService, type: :service do
       end
 
       it 'records media change in edit' do
-        expect(status.edits.reload.last.media_attachments_changed).to be true
+        expect(status.edits.reload.last.ordered_media_attachment_ids).to_not be_empty
       end
     end
 
@@ -173,11 +173,11 @@ RSpec.describe ActivityPub::ProcessStatusUpdateService, type: :service do
       end
 
       it 'updates media attachments' do
-        expect(status.media_attachments.reload.map(&:remote_url)).to eq %w(https://example.com/foo.png)
+        expect(status.ordered_media_attachments.map(&:remote_url)).to eq %w(https://example.com/foo.png)
       end
 
       it 'records media change in edit' do
-        expect(status.edits.reload.last.media_attachments_changed).to be true
+        expect(status.edits.reload.last.ordered_media_attachment_ids).to_not be_empty
       end
     end
 
@@ -193,7 +193,7 @@ RSpec.describe ActivityPub::ProcessStatusUpdateService, type: :service do
       end
 
       it 'records media change in edit' do
-        expect(status.edits.reload.last.media_attachments_changed).to be true
+        expect(status.edits.reload.last.poll_options).to be_nil
       end
     end
 
@@ -226,7 +226,7 @@ RSpec.describe ActivityPub::ProcessStatusUpdateService, type: :service do
       end
 
       it 'records media change in edit' do
-        expect(status.edits.reload.last.media_attachments_changed).to be true
+        expect(status.edits.reload.last.poll_options).to eq %w(Foo Bar Baz)
       end
     end
 
@@ -239,10 +239,5 @@ RSpec.describe ActivityPub::ProcessStatusUpdateService, type: :service do
       subject.call(status, json)
       expect(status.reload.edited_at.to_s).to eq '2021-09-08 22:39:25 UTC'
     end
-
-    it 'records that no media has been changed in edit' do
-      subject.call(status, json)
-      expect(status.edits.reload.last.media_attachments_changed).to be false
-    end
   end
 end

spec/services/update_status_service_spec.rb

@@ -21,7 +21,7 @@ RSpec.describe UpdateStatusService, type: :service do
     end
 
     it 'saves edit history' do
-      expect(status.edits.pluck(:text, :media_attachments_changed)).to eq [['Foo', false], ['Bar', false]]
+      expect(status.edits.pluck(:text)).to eq %w(Foo Bar)
     end
   end
 
@@ -39,7 +39,7 @@ RSpec.describe UpdateStatusService, type: :service do
     end
 
     it 'saves edit history' do
-      expect(status.edits.pluck(:text, :spoiler_text, :media_attachments_changed)).to eq [['Foo', '', false], ['Foo', 'Bar', false]]
+      expect(status.edits.pluck(:text, :spoiler_text)).to eq [['Foo', ''], ['Foo', 'Bar']]
     end
   end
 
@@ -54,11 +54,11 @@ RSpec.describe UpdateStatusService, type: :service do
     end
 
     it 'updates media attachments' do
-      expect(status.media_attachments.to_a).to eq [attached_media_attachment]
+      expect(status.ordered_media_attachments).to eq [attached_media_attachment]
     end
 
-    it 'detaches detached media attachments' do
-      expect(detached_media_attachment.reload.status_id).to be_nil
+    it 'does not detach detached media attachments' do
+      expect(detached_media_attachment.reload.status_id).to eq status.id
     end
 
     it 'attaches attached media attachments' do
@@ -66,7 +66,7 @@ RSpec.describe UpdateStatusService, type: :service do
     end
 
     it 'saves edit history' do
-      expect(status.edits.pluck(:text, :media_attachments_changed)).to eq [['Foo', false], ['Foo', true]]
+      expect(status.edits.pluck(:ordered_media_attachment_ids)).to eq [[detached_media_attachment.id], [attached_media_attachment.id]]
     end
   end
 
@@ -95,7 +95,7 @@ RSpec.describe UpdateStatusService, type: :service do
     end
 
     it 'saves edit history' do
-      expect(status.edits.pluck(:text, :media_attachments_changed)).to eq [['Foo', false], ['Foo', true]]
+      expect(status.edits.pluck(:poll_options)).to eq [%w(Foo Bar), %w(Bar Baz Foo)]
     end
   end