Commit Graph
5 Commits
Author SHA1 Message Date
dtourolle a676f4aba8 perf(series): the episode list no longer waits on the server
Opening Frasier on a Fairphone took ~5 s to render the episode list
although every episode was cached. Three causes:

- resolve_series_view waited for Next Up and resume before returning the
  episodes, and Next Up was server-first. The episode list now returns as
  soon as the episodes are in (with_hints); hints that have answered are
  used, late ones dropped, and the picker falls back to local watch state.
  Next Up is cache-first like every other query.
- The page loaded itself six times per open: onMount plus a mount-time
  $effect, the reachability effect's first run posing as a reconnect, and
  a double mount. All triggers now share one coalesced load per item
  (createCoalescedLoader); refresh triggers get one re-run after it.
- The root layout rendered the route in two branches that each rendered
  children; the page store deciding between them updates a flush late, so
  navigating Search -> library page mounted the page twice. One element
  now renders the route and only its classes change.

On the device: one load per open, seasons from cache in 14 ms, episodes
and the Resume button up in under a second (was ~5 s).
2026-09-24 04:45:44 +02:00
dtourolle f6efa7208a perf(series): list a series' episodes with one concurrent season walk
"More info" on Frasier took ~10 s. The series page asked Rust for the
episodes and for the current episode as two commands; each walked every
season, and each walk fetched the eleven seasons one after another. So the
wait was the sum of twenty-two listings, each a cache read queued behind
whatever the database was writing — measured at ~4 s per walk on a Fairphone
5 while the launch-time catalog sync ran.

Seasons are now fetched together (gather_season_episodes), so a walk waits
for its slowest season, not the sum. And repository_get_series_view returns
the episodes and the current episode from one walk, with Next Up and resume
fetched alongside it; the series page makes that one call.

Under today's single database connection the cache reads themselves still
queue on its mutex; the concurrency pays off fully once reads get their own
connections. Halving the walks helps regardless.

Test first: ten 100 ms seasons took 1.01 s sequentially; now well under the
400 ms bound, with a failing season still leaving the rest.

DR-295, UT-264.
2026-09-24 03:22:31 +02:00
dtourolle 079153d9d5 fix(library): stop offering the episode you just finished as "up next"
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Finish an episode, leave the player with Back, and the season view still put
the yellow ring and the "Up next" badge on the episode that had just ended --
and scrolled to it.

Nothing records completion locally. storage_update_playback_progress writes a
position and never touches is_played, and mirror_user_data carried the
server's favourite flag and position but not its played flag, so that column
was written by nothing except an explicit local toggle. By the second visit to
a series page get_items is a cache hit, so every episode reads back unwatched;
meanwhile Jellyfin's Next Up is still one stop-report behind and names the
episode that just ended. pick_current_episode had no reason to disagree with
either of them.

is_finished -- the played flag, or a position at or past MAX_PROGRESS_FRACTION
of the runtime, the same 95% threshold that already disqualifies an episode
from counting as in-progress -- replaces the bare is_played in the
furthest-watched scan and the first-unwatched fallback, and screens the Next Up
candidate before it is accepted: the server is briefly behind, the local
position is not. The current episode becomes the next one, and the highlight,
the badge, the auto-scroll and which season starts expanded all follow it.

mirror_user_data now carries is_played alongside the rest, under the same
pending_sync = 0 conflict rule, so watched state survives a cache write instead
of being dropped -- which is also what puts the checkmarks back in the season
list.

TRACES: UR-025, UR-062 | DR-264 | UT-239, UT-240
2026-08-26 18:56:16 +02:00
dtourolleandClaude Opus 5 9d7cb085e9 fix(series): resume after the furthest-watched episode, not the first gap
`pick_current_episode` rung 3 returned the first unwatched episode in
series order. A viewer who skipped the pilot but is three seasons deep
was sent back to S1E1: the gap was a deliberate skip, not the place they
stopped.

This read as flaky rather than consistently wrong because rung 3 only
fires when the server's Next Up (rung 2) yields nothing, and
`resolve_current_episode` swallows that call's errors with
`.unwrap_or_default()`. `HybridRepository::get_next_up_episodes`
delegates unconditionally to the online repo, so any unreachable-server
moment silently degraded to the empty vec — same series, same watch
state, different answer depending on one request's outcome.

Rung 3 now scans the ordered list from the end with `rposition(is_played)`
and returns the episode after the furthest-watched one, falling back to
the previous first-unwatched behaviour when nothing is watched or the
series is finished. Season crossing comes free from the already-flat
series ordering, and `season_rank` keeps specials last so a watched
special cannot mark a show finished.

Tests written first and confirmed failing (S1E1 where S3E4 was
expected), covering the skipped-pilot case, rolling into the next season
past a skipped episode, and the watched-special case. All 17 existing
tests still pass.

Note: cargo test could not run locally (javascriptcoregtk-4.1 /
webkit2gtk-4.1 absent on this host). The pure policy half plus its
verbatim test module were extracted into a standalone crate to get real
red/green; the full crate suite still needs a run on a complete
toolchain.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-08-12 18:23:26 +02:00
dtourolle 58f2506966 feat(series): land on the current episode, not season 1 (UR-062, UR-063, UR-064)
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Opening a series dumped the viewer at the top of season 1, and its Play
button played nothing at all: it resolved `$libraryItems[0]` — the first
*season* by SortName — and navigated to `/player/<seasonId>`, which the
player route bounced straight back to `/library/<seasonId>`.

The backend could already answer "where is this viewer in this show":
`repository_get_next_up_episodes` has accepted a `series_id` since it was
written and no caller had ever passed one.

Backend (DR-101, DR-106)
- `repository/series_progress.rs`: `pick_current_episode` — in progress,
  else Next Up, else first unwatched, else the premiere. The third rung is
  the offline path, where Next Up is always empty. `sort_series_order` puts
  specials (season 0) after the numbered seasons.
- `repository_get_series_episodes` takes over the season fan-out and the
  flat-series fallback, which were domain knowledge living in the frontend.
- `clear_watch_history` maps to Jellyfin's mark-unplayed (recursive over a
  container, also zeroes resume). Offline it refuses rather than diverging
  state the next sync would undo.

Frontend (DR-102, DR-103, DR-104, DR-107)
- Seasons collapse; only the current one is expanded, and the current
  episode is badged and scrolled into view.
- Hero button reads `Resume S2E4` / `Play S1E1` and opens that episode's
  focus view, where Play commits (ux-flows §5B.5).
- Seasons are no longer a destination: `/library/<seasonId>` redirects to
  `/library/<seriesId>#season-N`, and every inbound link follows.
- The "More Episodes" strip spans the whole series, so a season finale
  offers the next premiere instead of dead-ending (§5B.2).
- Clear-history buttons on the series hero and each season header.

Routes (DR-105)
- `/library/tv` and `/library/movies` absorb their all-titles and genres
  pages as `?view=` tabs; the four legacy routes redirect. 6 video routes
  become 2, and `/library/shows/genres` stops being the odd one out.

Logic extracted to `seriesNavigation.ts`, `episodeStrip.ts` and
`libraryView.ts` so it is unit-tested rather than buried in components.
Spec: docs/specs/series-current-episode-navigation.md
2026-08-03 20:37:43 +02:00