nenad-vujicic left a comment (openstreetmap/openstreetmap-website#5667)
> I would also interested in what the next step will be.
At the moment, the plan is following:
1. Perform data migration
2. If we succeeded to migrate all notes, remove optional using records from
first special comment, otherwise we'll have to leave some fallback mechanism
3. Create DB table `old_notes` which will store note versions and update Note
model with appropriate associations
- This will be decomposed into several PRs
- Perhaps this is good place to discuss how to apply #5619 to notes tables
(perhaps use `notes_versions` instead of `old_notes`?)
4. Add creating versions on notes actions (create, reopen, close, ..)
5. Populate `note_versions` from `note_comments`
6. Create helper routine which will generate list of comments (i.e. discussion,
used in left side-bar, rss feed, xml / json files, ..) from `note_versions`
table and from `note_comments` table (but using only note comments with
non-blank bodies
7. Replace displaying / using discussions with helper routine
8. Remove column `event` from `note_comments` table and comments with blank
bodies
9. .. continue with adding note tags ..
I'm aware this plan is full of flaws and there are multiple points which should
be further discussed / defined, so everyone's comment is very welcome!
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