feat(remote): mirror the server catalogue so both sources share one library - #547
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…ibrary The projection only ever held what the server's *user data* referenced: a snapshot carries whole song objects for playlists and the queue, a change event carries bare identifiers, and a track the account never touched is named by neither. That is why the remote source shows playlists and nothing else — there was no "all the server's albums" to show, and the desktop had no way to enumerate one. Browsing both sources from a single library needs that catalogue in SQL. Merging a local table with a paginated HTTP endpoint cannot be sorted, filtered or virtualised as one list: the ordering of page 3 depends on rows the server has not sent yet. So the catalogue is walked once into the same tables, and every listing afterwards is a query. The walk goes album by album. The library endpoint enumerates everything but answers with TrackRecord — no album id, no track or disc number, no year — so grouping an album or ordering a disc would be guesswork. The album endpoint answers with full SongItems, the same shape the snapshot uses, so the walk reuses cache_song verbatim and produces rows indistinguishable from projected ones. The library sweep still runs, for the two things the album walk cannot see: a track belonging to no album, and a track the server has since deleted. Three properties the code exists to hold: - in_catalogue decides what a purge may take. A row a playlist, the queue, a favourite, a rating, the history or a share still references survives and merely stops counting as catalogue; deleting it would leave the playlist unable to render its own titles. The predicate is written once as a macro so the two delete paths cannot drift. - song_count makes the walk incremental. An album whose mirrored count already matches is skipped without being fetched. - An empty library list never authorises a purge. The sweep decides a track vanished by absence, and with nothing to sweep there is no absence to read — that path would have deleted the catalogue it had just walked in. Falls out for free: SongItem carries full_hash and cache_song already stores it, so mirroring lands the server's content fingerprint for every track it has — exactly what the reconciliation pass needs, without asking for it. Surfaced in Settings as its own card, beside the connection card rather than inside it: that one binds a profile to a server and does nothing else, on purpose. Localised across all 17 locales under remote.catalogue. Claude-Session: https://claude.ai/code/session_01Ls4aG74DPcE4UUQtrPc5ji
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Included review availability: 1 review is currently available. Your included PR review attempts over the past 7 days set your current allowance at 3 reviews per hour. 📝 WalkthroughWalkthroughLe changement ajoute un miroir incrémental du catalogue distant dans SQLite. Il ajoute le schéma, le parcours des bibliothèques et albums, les commandes Tauri, l’API TypeScript, l’interface de paramètres et les traductions associées. ChangesMiroir du catalogue distant
Estimated code review effort: 4 (Complex) | ~60 minutes Merge Risk: ⚪ Minimal · up to The current change is merge-ready after normal checks and review; no actionable merge-blocking risk remains. Sequence Diagram(s)sequenceDiagram
participant CatalogueMirrorCard
participant Commandes_Tauri
participant mirror_catalogue
participant Serveur_V2
participant SQLite
CatalogueMirrorCard->>Commandes_Tauri: lancer remoteMirrorCatalogue()
Commandes_Tauri->>mirror_catalogue: appeler mirror_catalogue()
mirror_catalogue->>Serveur_V2: récupérer bibliothèques et albums paginés
Serveur_V2-->>mirror_catalogue: retourner métadonnées et morceaux
mirror_catalogue->>SQLite: enregistrer bibliothèques, albums et morceaux
mirror_catalogue-->>Commandes_Tauri: retourner MirrorReport
Commandes_Tauri-->>CatalogueMirrorCard: afficher progression et rapport
CatalogueMirrorCard->>Commandes_Tauri: demander remoteCancelCatalogueMirror()
Commandes_Tauri->>mirror_catalogue: demander l’annulation
🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Description checkExplanation La description explique le besoin, l’implémentation, les protections, le schéma, l’interface, les tests réalisés et le périmètre exclu. Elle ne reprend pas explicitement les cases de checklist ni un numéro d’issue, mais ces éléments non critiques ne bloquent pas l’évaluation. ✨ Finishing Touches 💡 2📝 Generate docstrings 💡
🛠️ Fix failing CI checks 💡
🧪 Generate unit tests (beta)
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Inline comments:
In `@src-tauri/crates/app/src/commands/remote_auth.rs`:
- Around line 522-523: Update the calls to remote::mirror::stats and
remote::mirror::clear after state.require_profile_pool().await? to pass an
explicit dereference of the leased ProfilePool using &*pool, preserving the
existing profile-scoped pool invariant.
- Around line 528-530: Synchronize remote_clear_catalogue with mirror writes by
acquiring the shared exclusive guard used by mirror_catalogue before calling
mirror::clear. Add an overlap test that exercises concurrent mirroring and
clearing, then verifies the final purge leaves the catalogue deterministically
empty.
In `@src-tauri/crates/app/src/remote/mirror.rs`:
- Around line 359-372: Update the album-processing flow around album_is_fresh
and upsert_album to load freshness for the entire page in one query, then
perform all page upserts within a single transaction. Change upsert_album to
accept the transaction’s mutable SqliteConnection, preserving the existing
per-album walk_one_album network fetch and freshness/reporting behavior.
- Around line 359-372: Update upsert_album’s ON CONFLICT handling so mirrored_at
is cleared whenever the incoming song_count differs from the stored count, while
preserving the existing timestamp when counts match. Add coverage for an
already-walked album whose count changes: call upsert_album without
walk_one_album, then verify album_is_fresh returns false.
- Around line 371-373: Update the album-loop progress emission to report the
current position within the page rather than the page-level report.albums_seen
value, and remove the duplicate emit after the loop. Preserve the existing
progress event and total while ensuring each album fetch advances the displayed
count.
- Around line 317-329: Protect the cleanup logic in store_libraries so an empty
libraries result does not delete existing remote_library rows or their
mirrored_at values. Apply the same empty-list guard used by mirror_catalogue,
while preserving deletion of remote libraries absent from a non-empty successful
catalogue response.
- Around line 577-589: Update the vanished-track loop in the mirror operation to
increment removed only by DELETE_VANISHED's rows_affected(), preserving
unflagging for retained playlist-referenced tracks. Adjust
a_vanished_track_is_unflagged_before_it_is_deleted so the retained t-liked case
expects removed == 1.
In `@src/components/views/settings/CatalogueMirrorCard.tsx`:
- Around line 268-275: Update the clear button’s disabled condition in the
CatalogueMirrorCard component so it remains enabled whenever stats.albums,
stats.tracks, or stats.libraries is greater than zero; only disable it when busy
or all three counts are empty.
- Line 157: Update both Loader2 indicators in CatalogueMirrorCard, including the
instances near the existing loading states, to use motion-safe:animate-spin
instead of animate-spin so their rotation is disabled when
prefers-reduced-motion: reduce is active.
- Around line 231-235: Update the date formatting in CatalogueMirrorCard’s
mirrored_at display to pass i18n.resolvedLanguage ?? i18n.language to
toLocaleString(), ensuring the active interface language determines the format
while preserving the existing neverMirrored and mirroredAt translation behavior.
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CLAUDE.mddocs/architecture/storage.mddocs/rfcs/RFC-005-remote-source-and-sync-v2.mdsrc-tauri/crates/app/src/commands/remote_auth.rssrc-tauri/crates/app/src/lib.rssrc-tauri/crates/app/src/remote/mirror.rssrc-tauri/crates/app/src/remote/mod.rssrc-tauri/migrations/profile/20260824210000_remote_catalogue_mirror.sqlsrc/components/views/SettingsView.tsxsrc/components/views/settings/CatalogueMirrorCard.tsxsrc/i18n/locales/ar.jsonsrc/i18n/locales/de.jsonsrc/i18n/locales/en.jsonsrc/i18n/locales/es.jsonsrc/i18n/locales/fr.jsonsrc/i18n/locales/hi.jsonsrc/i18n/locales/id.jsonsrc/i18n/locales/it.jsonsrc/i18n/locales/ja.jsonsrc/i18n/locales/ko.jsonsrc/i18n/locales/nl.jsonsrc/i18n/locales/pt-BR.jsonsrc/i18n/locales/pt.jsonsrc/i18n/locales/ru.jsonsrc/i18n/locales/tr.jsonsrc/i18n/locales/zh-CN.jsonsrc/i18n/locales/zh-TW.jsonsrc/lib/tauri/remoteServer.ts
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Review pass on the catalogue mirror. The one that mattered is the third. An album's listing row was upserted with the server's new song_count while its mirrored_at stamp was left alone. So an album that gained a track and was interrupted between that upsert and its fetch — a cancel, a network error, a crash — came back from the next walk with a count that matched and a stamp that said walked. It read as fresh, and the tracks it had just gained never arrived. The invalidation now happens in the same statement that records the count, and the CASE was checked against a real SQLite build: the stamp survives an unchanged count and is cleared by a changed one. Also: - Freshness is read once for the whole walk instead of once per album. On a repeat walk over an unchanged library those queries were the entire cost, every other step being skipped, and the page's upserts now share one transaction rather than paying an fsync each. - An empty library answer no longer deletes anything. The sweep already refused to purge on it, on the grounds that an empty list means this account cannot browse rather than that the server holds nothing — store_libraries was reading it the other way and discarding every sweep date. - removed counts deletions rather than visits. A track a playlist still references leaves the catalogue but stays in the table, and reporting it as removed overstated what the purge did. - Clearing takes the same slot a walk takes, so the two cannot interleave and leave albums deleted with their tracks still flagged. The phase is process-global, so the whole machine is exercised in one test — two tests sharing it would race each other rather than the code. - Progress advances per page instead of restating a total that only changed when the page did. - The clear button no longer gates on albums alone: a server whose singles belong to no album mirrors tracks and nothing else. - The mirror date follows the interface language, not the machine's. Skipped, with reasons: the &*pool suggestion — mirror::stats and mirror::clear take a concrete &SqlitePool, where deref coercion applies and clippy rejects the explicit form under -D warnings; the invariant covers generic sqlx executor calls, and the neighbouring reconciliation::links call is written the same way. And motion-safe:animate-spin — animate-spin is used in fifty places and motion-safe in none, so changing this one card would make it the odd one out without making the app any more accessible. Claude-Session: https://claude.ai/code/session_01Ls4aG74DPcE4UUQtrPc5ji
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Actionable comments posted: 1
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Inline comments:
In `@src-tauri/crates/app/src/remote/mirror.rs`:
- Around line 1092-1113: Serialize every test that accesses the process-global
MIRROR_PHASE, including dropping_the_mirror_spares_rows_the_user_data_needs,
with a shared test mutex acquired for the full test duration. Update
the_walk_slot_is_exclusive to use an unconditional cleanup guard that restores
MIRROR_PHASE to PHASE_IDLE during unwinding, including assertion failures.
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src-tauri/crates/app/src/commands/remote_auth.rssrc-tauri/crates/app/src/remote/mirror.rssrc/components/views/settings/CatalogueMirrorCard.tsx
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…slot Making `clear` claim the walk slot gave two tests a dependency on a static the test harness runs them against in parallel. While `the_walk_slot_is_exclusive` holds the phase at RUNNING, the other test's `clear` is refused and its `unwrap` panics — which reads as a bug in `clear` rather than as two tests colliding. Both now take a shared tokio mutex, held for the whole test. The slot test also restored the phase by hand, on the success path only. A failing assert between the store and the restore would leave it RUNNING for the rest of the binary and fail every later `clear`. That window now belongs to `PhaseGuard` — the production guard, which is exactly the thing being asserted: a walk that ends badly must hand the slot back. Ran fifteen times at eight threads, green each time. Claude-Session: https://claude.ai/code/session_01Ls4aG74DPcE4UUQtrPc5ji
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First lot of the unified library: the desktop could not enumerate the server's catalogue at all, which is what blocks everything visible in that lot.
The gap
The projection only ever held what the server's user data referenced. A snapshot carries whole song objects for playlists and the queue; a change event carries bare identifiers; a track the account never touched is named by neither. That is why the remote source shows playlists and nothing else — there was no "all the server's albums" to show.
Browsing both sources from one library needs the catalogue in SQL. Merging a local table with a paginated HTTP endpoint cannot be sorted, filtered or virtualised as a single list: the ordering of page 3 depends on rows the server has not sent yet.
The walk
Album by album.
GET /api/v2/libraries/{id}/tracksenumerates everything but answers withTrackRecord— noalbum_id, no track or disc number, no year — so grouping an album or ordering a disc would be guesswork.GET /api/v2/albums/{id}answers with fullSongItems, the same shape the snapshot uses, so the walk reusescache_songverbatim and yields rows indistinguishable from projected ones.The library sweep still runs, for the two things the album walk cannot see: a track belonging to no album, and a track the server has since deleted.
Three properties the code exists to hold
in_cataloguedecides what a purge may take. A row a playlist, the queue, a favourite, a rating, the history or a share still references survives and merely stops counting as catalogue. Deleting it would leave the playlist unable to render its own titles. The predicate is written once as a macro, so the two delete paths cannot drift.song_countmakes the walk incremental. An album whose mirrored count already matches is skipped without being fetched.Falls out for free
SongItemcarriesfull_hashandcache_songalready stores it, so mirroring lands the server's content fingerprint for every track it has — exactly the input the reconciliation pass needs, obtained without asking for it. That is what makes the download lot cheap later.Surface
Its own Settings card, beside the connection card rather than inside it: that one binds a profile to a server and does nothing else, on purpose. Copy, cancel, clear, live counts, and a date that stays absent until every library has been swept — a partial mirror showing a timestamp reads as "up to date", which is the one thing it is not. Localised across all 17 locales under
remote.catalogue.Schema
ALTER TABLE remote_track ADD COLUMN in_catalogue, plusremote_albumandremote_library. Verified against a real SQLite database withforeign_keys = ON: all 32 profile migrations apply,PRAGMA foreign_key_checkclean, and the purge keeps a playlist's rows while dropping the orphan.Checks
typecheck,lint,cargo clippy --workspace --all-targets -D warningson the default feature set and--features sync_v2,cargo test --workspace --features sync_v2(375 + 226, zero failures) — including 11 new tests on the mirror.Not in this PR
The unified library UI itself: the source filter, the twin-view removal, the quality badge. They read from what this lands.
Summary by CodeRabbit
Nouvelles fonctionnalités
Documentation
Internationalisation