The paginated ROM list eager-loaded sibling_roms via selectinload, which
hydrated full Rom ORM instances (including heavy JSON metadata columns)
for every sibling even though only an existence/count check was needed
on the frontend. On large collections this dominated request latency.
Split sibling handling by response shape:
- SimpleRomSchema (list): siblings is now list[int]; populated per page
by a single SELECT against the sibling_roms view projecting only
(rom_id, sibling_rom_id) — no Rom row hydration.
- DetailedRomSchema (detail): keeps full SiblingRomSchema objects, with
load_only on (id, name, fs_name_no_tags, fs_name_no_ext) so sibling
rows stop dragging in JSON metadata.
Frontend usage already only consumes siblings.length on list views; the
detail-page VersionSwitcher continues to receive the richer schema.
Drop the migration and the multi_file / top_level_file_count columns on
roms; express both as deferred column_property correlated subqueries
against rom_files instead. The gallery list and detail queries opt in
via undefer, so they get the values computed in the same SELECT via
indexed subqueries (rom_id index already in place); other code paths
that don't read the flags pay nothing.
This keeps the gallery perf win (no rom_files load for cards) without
introducing schema state that has to stay in sync with rom_files at
write time.
The gallery list endpoint was eager-loading every rom_file row for each
paginated ROM via selectinload, then re-joining each row back to its
parent rom for the is_top_level computation. For platforms with extracted
multi-file ROMs (Xbox 360 ~1394 files/ROM, Switch ~199 files/ROM), this
made /api/roms time out at 120s even with a rom_id index.
Cards never displayed individual files — only the has_simple_single_file
/ has_nested_single_file / has_multiple_files booleans that derive from
the file list. Denormalize the underlying state onto roms as multi_file
(folder-based vs single-file) and top_level_file_count, recompute the
booleans from those columns, drop the selectinload from filter_roms, and
move the files field from SimpleRomSchema to DetailedRomSchema so the
gallery payload no longer ships file rows.
Also drop the redundant joinedload(RomFile.rom) and switch the relation
to lazy="select" so subsequent file.rom accesses resolve from the
session identity map instead of re-JOINing the parent rom per file row.
ShowQRCode.vue's folder-based DS/3DS fallback now fetches the detailed
rom on demand, since SimpleRom no longer carries files.
Replace full rom_ids list replacement with atomic POST/DELETE endpoints
that add or remove individual ROMs from a collection. This prevents
concurrent rapid clicks from overwriting each other (last-write-wins).
Also fix missing session.flush() in add_rom_user() and add collection
endpoint tests.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Commit 3991e1b6e removed `@with_details` from `get_roms_by_fs_name` but
left the body using the `query` parameter that decorator was supposed
to inject, so every scan hit `'NoneType' object has no attribute
'filter'` and crashed the platform identification task.
Make the function self-contained: build `select(Rom)` directly and
eager-load only `Rom.platform`, the one relationship the scan loop
actually needs (via `rom.platform_slug` / `rom.platform.fs_slug`).
Keeps the prior commit's intent of avoiding the heavy `with_details`
eager-load on every batch.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Collapse the two parallel id lists and their mirrored chunked-update
loops into a `flips: dict[bool, list[int]]` keyed by desired state, and
drop unused rom assignments in the related tests.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
The scan was spending excessive time on large platforms even when all ROMs
were already scanned. Root causes: per-ROM UPDATE queries for skipped ROMs
(10k individual writes), missing composite index on (platform_id, fs_name)
causing full table scans, NOT IN clauses with 10k+ values in
mark_missing_roms(), and redundant filesystem reads.
Changes:
- Add bulk_mark_present() for batch-updating skipped ROMs in one query
- Move skip detection from _identify_rom to the batch loop so skipped ROMs
never enter the async scan pipeline, and report progress for them
- Add composite index idx_roms_platform_id_fs_name via migration 0077
- Rewrite mark_missing_roms() with flip-based approach: mark all missing,
then un-mark present ones in chunks of 1000
- Cache filesystem reads in scan_platforms() to avoid double directory
traversal (precounting + scanning)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Add migration 0071 to fix sibling_roms view: add guard against empty string matching for fs_name_no_tags
- Fix group_by_meta_id in filter_roms: use func.nullif to treat empty fs_name_no_tags as NULL in grouping key
- Add group_by_meta_id support to get_roms_scalar
- Add tests for sibling matching behavior with empty/non-empty fs_name_no_tags
Co-authored-by: gantoine <3247106+gantoine@users.noreply.github.com>
