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feat(genres): local index genre browse with Subsonic fallback (#937)

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* feat(genres): genre detail browse via local index with aligned counts

Move genre detail albums/play/shuffle onto the local library index with
Albums-style in-page scroll, session restore, and genre-scoped stash. Unify
genre album totals between the cloud and detail pages via
library_get_genre_album_counts, and fix grouped browse totals to count
distinct albums rather than matching tracks.

* perf(genres): local genre browse with scoped counts cache

Add dedicated Rust genre album pagination and indexes, slice-mode grid
loading, library-filter-aware counts, and a long-lived in-memory catalog
cache invalidated on sync so genre pages avoid repeated full-library SQL.

* fix(genres): restore scroll after album back; play hold-to-shuffle

Pin restore display count in refs so clearing the return stash no longer
reloads the genre grid mid-restore. Load the first SQL page only (60 rows),
use long-press on Play for shuffle, and add genre play tooltips.

* fix(genres): fall back to Subsonic byGenre when local index unavailable

Genre detail album grid now matches All Albums: try library_list_albums_by_genre
first, then getAlbumsByGenre when the index is off, not ready, or errors.

* docs: add CHANGELOG and credits for PR #937
This commit is contained in:
cucadmuh
2026-06-01 04:20:18 +03:00
committed by GitHub
parent d3e5a6b704
commit ddf10ee01d
42 changed files with 1952 additions and 139 deletions
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src/constants/appScroll.ts
+2
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@@ -8,6 +8,7 @@ export const NEW_RELEASES_INPAGE_SCROLL_VIEWPORT_ID = 'new-releases-inpage-scrol
export const RANDOM_ALBUMS_INPAGE_SCROLL_VIEWPORT_ID = 'random-albums-inpage-scroll-viewport';
export const LOSSLESS_ALBUMS_INPAGE_SCROLL_VIEWPORT_ID = 'lossless-albums-inpage-scroll-viewport';
export const COMPOSERS_INPAGE_SCROLL_VIEWPORT_ID = 'composers-inpage-scroll-viewport';
export const GENRE_DETAIL_INPAGE_SCROLL_VIEWPORT_ID = 'genre-detail-inpage-scroll-viewport';
export type AlbumGridInpageScrollSurface = 'albums' | 'new-releases' | 'random-albums';
@@ -39,5 +40,6 @@ export function readInpageScrollTop(viewportId: string): number {
/** Resolve in-page viewport id for the current route pathname. */
export function mainRouteInpageScrollViewportId(pathname: string): string | undefined {
const path = pathname.split('?')[0]?.replace(/\/$/, '') || pathname;
if (/^\/genres\/[^/]+$/.test(path)) return GENRE_DETAIL_INPAGE_SCROLL_VIEWPORT_ID;
return MAIN_ROUTE_INPAGE_SCROLL_VIEWPORT_ID_BY_PATH[path];
}