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jellytau/src/lib/utils/libraryView.ts
T
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feat(series): land on the current episode, not season 1 (UR-062, UR-063, UR-064)
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

37 lines
1.5 KiB
TypeScript

// Which section of a video library page is showing.
//
// Browse / All / Genres used to be three routes per library, named
// inconsistently across the two libraries (`/library/tv/shows` vs
// `/library/movies/all`; `/library/shows/genres` vs `/library/movies/genres`).
// They are now one route with tabs, and this is the pure `?view=` ↔ tab
// mapping.
//
// TRACES: UR-063 | DR-105
export type LibraryView = "browse" | "all" | "genres";
/** Tab order, left to right. `browse` leads because it is the landing view. */
export const LIBRARY_VIEWS: readonly LibraryView[] = ["browse", "all", "genres"];
/** The view a page shows when `?view=` is absent or unrecognised. */
export const DEFAULT_LIBRARY_VIEW: LibraryView = "browse";
/**
* Read a `?view=` value. Anything unknown — a typo, a stale bookmark, a
* removed tab — lands on the default rather than rendering nothing.
*/
export function resolveLibraryView(value: string | null | undefined): LibraryView {
if (value == null) return DEFAULT_LIBRARY_VIEW;
const normalized = value.trim().toLowerCase();
return (LIBRARY_VIEWS as readonly string[]).includes(normalized)
? (normalized as LibraryView)
: DEFAULT_LIBRARY_VIEW;
}
/**
* URL for a tab. The default view omits the param, so the landing URL stays
* `/library/tv` — the same convention `searchRouteUrl` uses for the `all` scope.
*/
export function libraryViewUrl(basePath: string, view: LibraryView): string {
return view === DEFAULT_LIBRARY_VIEW ? basePath : `${basePath}?view=${view}`;
}