digiserver-v2/docs/SANITIZATION-REVIEW.md

DigiServer v2 — Code Sanitization Review

Generated: 2026-09-10 Snapshot: docs/legacy code/ (1.7 MB, 171 files, 49 Python files) — full restore point.

Analysed 42 Python files / 240 functions / 104 routes / 32 templates under app/ and migrations/.

Review each section below and reply with the IDs you want deleted (e.g. A1, A2, B1). Nothing is deleted until you confirm. Everything is recoverable from docs/legacy code/.

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✅ Status — Applied 2026-09-10

Removed (A1, A2, D1, D2):

ID	Removed	Notes
A1	app/blueprints/content_old.py	+ 3 templates orphaned by its removal
A2	app/utils/nginx_config_reader.py
D1	5 group functions + their __init__.py exports	get_player_status_info kept (live)
D2	app/models/group.py, Content.groups, Content.group_count

Extra cleanup triggered by A1/D2:

• Deleted orphaned templates: upload_content.html (278), edit_content.html (11)
• Removed the dead groups key from /api/system-info and group_count from /api/content
• Removed the 'group_id': getattr(player, 'group_id', None) compat shim from /api/player-status
• Updated 8 documentation files

Also removed (B1, B2) — applied in a second pass:

ID	Removed	Notes
B1	app/blueprints/playlist.py (310 LOC) + its registration in app.py	Whole legacy blueprint; its only real route redirected to content.manage_playlist_content
B2	3 routes in players.py: reorder_content, reorder_playlist, remove_from_playlist (~103 LOC)	Two queried nonexistent columns (Content.player_id, Content.position, Player.playlist_version) → guaranteed 500s

Extra cleanup triggered by B1:

• Deleted content_list.html (202 lines) — its only remaining reference was url_for('playlist.manage_playlist'). It was already orphaned (no Python file rendered it) after content_old.py was deleted, so it has been removed for real this time.
• Deleted players/player_page.html (227 lines) — it was never rendered by any view (the players.player_page route redirects to manage_player), so it was dead UI. Corrects the earlier "false positive" note below.

⚠️ Functional note: players.regenerate_auth_code (POST /players/<id>/regenerate-auth) is now referenced by no template — player_page.html was its only caller. The endpoint still works if invoked directly. The equivalent control lives in manage_player.html via the quickconnect flow. Restore player_page.html from docs/legacy code/ if you want that button back.

Result (A + B + D combined):

42 → 38 Python modules      9,311 → 8,296 LOC
104 → 82 routes             32 → 28 templates
7 → 6 blueprints            dead modules: 2 → 0, orphan templates: 0

Verified: all files compile; smoke test passes on a fresh DB (every API endpoint + key UI route returns < 500); db.metadata no longer registers group/group_content; app boots against a migrated copy of the real dashboard.db with all data intact; app.blueprints no longer contains playlist.

⚠️ Still open: the real data/instance/dashboard.db predates the original_filename migration. On startup the entrypoint now applies it automatically. To fix locally, run:

DATABASE_URL=sqlite:///$PWD/data/instance/dashboard.db ./.venv/bin/python migrations/add_original_filename_to_content.py

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Section A — Dead modules (zero importers)

ID	Target	LOC	Evidence	Risk
A1	app/blueprints/content_old.py	500	app.py imports content.py; this file's content_bp is never registered. Superseded "old" content workflow.	Low
A2	app/utils/nginx_config_reader.py	120	Never imported anywhere. Stack migrated nginx → Caddy, so the reader is obsolete.	Low

graph LR
    app_py["app.py<br/>register_blueprints()"] --> content["content.py<br/>content_bp ✅ ACTIVE"]
    content_old["content_old.py<br/>content_bp ❌ DEAD"] -.->|never imported| x1[" "]
    nginx["nginx_config_reader.py<br/>❌ DEAD"] -.->|never imported| x2[" "]
    caddy["caddy_manager.py<br/>✅ ACTIVE"] --> app_py
    style content_old fill:#7f1d1d,color:#fff
    style nginx fill:#7f1d1d,color:#fff

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Section B — Legacy duplicate route surface — ✅ REMOVED

Two blueprints exposed parallel implementations of the same operations. Only the content.* versions were wired to the UI; the legacy ones had no template references.

ID	Target	LOC	Evidence	Risk
B1 ✅	app/blueprints/playlist.py (whole file + registration)	310	Entire file was legacy per-player playlist. Its manage_playlist route did nothing but redirect to the modern content.manage_playlist_content. The other 6 routes had no template reference.	Low–Med
B2 ✅	3 routes in players.py: reorder_content, reorder_playlist, remove_from_playlist	~103	Superseded by content.*. Two queried nonexistent columns (Content.player_id, .position, Player.playlist_version) → guaranteed HTTP 500 if called.	Low

Duplicate operation matrix

Operation	Modern (LIVE)	Legacy (DEAD)
Add content	content.add_content_to_playlist	playlist.add_to_playlist
Remove content	content.remove_content_from_playlist	playlist.remove_from_playlist, players.remove_from_playlist ⚠️broken
Reorder	content.reorder_playlist_content	playlist.reorder_playlist, players.reorder_content ⚠️broken, players.reorder_playlist ⚠️broken
Set duration	content.update_playlist_content_duration	playlist.update_duration
Mute audio	content.update_playlist_content_muted	playlist.update_muted
Toggle edit	content.update_playlist_content_edit_enabled	—
Clear	—	playlist.clear_playlist

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Section C — Broken code: references to columns that do not exist

Confirmed against the live DB schema. These raised AttributeError/OperationalError at runtime. All resolved by deleting A1 + B2.

ID	Location	Broken reference	Reachable?
C1 ✅	players.py:768,775 (remove_from_playlist)	player.playlist_version	Via route only (no UI link)
C2 ✅	players.py:~700 (reorder_playlist)	Content.player_id, Content.position	Via route only (no UI link)
C3	content_old.py:189-190	player.playlist_version	No (dead module)
C4	content_old.py:50,57	content.player_id, player.group	No (dead module)

✅ Resolved by deleting A1 + B2. If you keep those files, they must be rewritten.

Not a bug (verified by hand): Content._playlist_duration / ._playlist_position / ._playlist_muted in api.py are set dynamically by Playlist.get_content_ordered(). These are intentional and work correctly — the static analyzer flags them because it only sees model class attributes.

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Section D — Legacy groups subsystem

Groups are fully deprecated (0 rows, /api/groups already commented out), but the code lingers.

ID	Target	LOC	Evidence	Risk
D1	5 group functions in app/utils/group_player_management.py: get_group_statistics, assign_player_to_group, bulk_assign_players_to_group, get_online_players_count, get_players_by_status + their __init__.py exports	~130	Zero callers outside the module. All three group functions reference player.group_id, which does not exist → broken.	Low
D2	app/models/group.py (Group model + group_content table)	71	Retained only because Content.groups FK relationship and Content.group_count reference it. Requires touching the Content model.	Medium

⚠️ Keep: get_player_status_info() (top of the same file) is live — used at players.py:28 and players.py:432. Only the group functions should go.

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Section E — Legacy redirect stubs

Thin compatibility shims that only redirect to the modern UI. They're harmless but keep dead URL surface alive.

ID	Target	Evidence
E1	players.player_page (/players/<id>)	Body is a single redirect(url_for('players.manage_player')). Still url_for-referenced by 2 templates, so keeping it is fine.
E2	playlist.manage_playlist (/playlist/<id>)	Part of B1 — already covered by deleting that file.

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Section F — Orphan templates / assets

ID	Target	LOC	Evidence
—	(none)	—	After the B1/B2 pass the codebase has 0 orphan templates.

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Recommended batches — ✅ ALL APPLIED

Batch	Contents	Total removed	Status
Batch 1 — Safe clean	A1, A2	~620 LOC	✅ done
Batch 2 — Legacy playlist	B1, B2	~413 LOC	✅ done
Batch 3 — Groups	D1	~130 LOC	✅ done
Batch 4 — Group model	D2	~71 LOC	✅ done

Every batch was followed by: compile-all + app-factory boot + route smoke test, so hidden dependencies were caught before moving on.

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How I verified this (so you can trust it)

Check	Method
Module reachability	AST import extraction + register_blueprint cross-reference
Route usage	url_for('endpoint') and literal path matching against all templates/JS
Broken columns	Compared every var.attr access against live SQLite PRAGMA table_info
Dynamic attributes	Manually inspected get_content_ordered() to rule out false positives
Duplicate bodies	ast.dump body hashing across all functions (result: 0 exact duplicates)

Reproduce anytime:

./.venv/bin/python docs/tools/sanitize_report.py     # dead code + broken refs
./.venv/bin/python docs/tools/sanitize_audit.py      # full function inventory
./.venv/bin/python docs/tools/sanitize_templates.py  # orphan templates
./.venv/bin/python docs/tools/smoke_test.py          # post-change smoke test

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⚠️ Rollback / hygiene notes

1. docs/legacy code/ is excluded from the Docker image (via legacy code/ and **/legacy code/ in .dockerignore) so it never ships to production or bloats the build.
2. It is not git-ignored, so it will appear in git status. Decide:
   • commit it as a recovery point, or
   • add legacy code/ to .gitignore if you'd rather rely on git history.
3. Deleting files listed here is not recoverable from git unless committed first — the docs/legacy code/ copy is your safety net.