[PAY-2405] Add missing orig file cid and file name migration (#7393)

Co-authored-by: Saliou Diallo <saliou@audius.co>

packages/discovery-provider/ddl/migrations/0052_update_non_existing_orig_filenames.sql

@@ -0,0 +1,67 @@
+begin;
+
+-- disable triggers
+alter table tracks disable trigger on_track;
+alter table tracks disable trigger trg_tracks;
+
+-- orig_filename for non-stems i.e. full/parent tracks
+update tracks t
+set orig_filename = concat(title, ' - [', u.name, '].mp3')
+from (
+  select user_id, name from users
+  where is_current is true
+) as u
+where t.is_current is true
+and t.owner_id = u.user_id
+and t.stem_of is null
+and t.orig_filename is null;
+
+-- orig_file_cid for non-stems i.e. full/parent tracks
+update tracks
+set orig_file_cid = track_cid
+where is_current is true
+and stem_of is null
+and orig_file_cid is null;
+
+-- orig_filename for stems
+update tracks tr
+set orig_filename = concat(
+  sub.parent_title,
+  ' - ',
+  initcap((sub.stem_of->>'category')::text),
+  case when sub.row_num > 1 then concat(' ', sub.row_num) else '' end,
+  '.mp3'
+)
+from (
+  select
+    t.stem_of,
+    t.track_id,
+    title_tracks.title as parent_title,
+    title_tracks.track_id as parent_track_id,
+    row_number() over(partition by title_tracks.track_id, t.stem_of order by t.track_id) as row_num
+  from tracks t
+  join (
+    select track_id, title from tracks
+    where is_current is true
+    and stem_of is null
+  ) as title_tracks
+  on (t.stem_of->>'parent_track_id')::int = title_tracks.track_id
+  where t.is_current is true
+  and (t.stem_of->>'category')::text != ''
+  and t.orig_filename is null
+) as sub
+where tr.is_current is true
+and tr.track_id = sub.track_id;
+
+-- orig_file_cid for stems
+update tracks
+set orig_file_cid = track_cid
+where is_current is true
+and (stem_of->>'category')::text != ''
+and orig_file_cid is null;
+
+-- re-enable triggers
+alter table tracks enable trigger on_track;
+alter table tracks enable trigger trg_tracks;
+
+commit;