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Moku/src/components/sources/Explore.tsx
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2026-02-23 11:36:52 -06:00

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import { useEffect, useState, useMemo, memo } from "react";
import { ArrowLeft, ArrowRight, Compass, List, BookOpen, Star, Fire, BookmarkSimple, FolderSimplePlus, Folder } from "@phosphor-icons/react";
import { gql, thumbUrl } from "../../lib/client";
import { UPDATE_MANGA } from "../../lib/queries";
import ContextMenu, { type ContextMenuEntry } from "../context/ContextMenu";
import { GET_ALL_MANGA, GET_LIBRARY, GET_SOURCES, FETCH_SOURCE_MANGA } from "../../lib/queries";
import { useStore } from "../../store";
import type { Manga, Source } from "../../lib/types";
import SourceList from "./SourceList";
import SourceBrowse from "./SourceBrowse";
import s from "./Explore.module.css";
// ── Frecency ──────────────────────────────────────────────────────────────────
function frecencyScore(readAt: number, count: number): number {
const hoursSince = (Date.now() - readAt) / 3_600_000;
return count / Math.log(hoursSince + 2);
}
// ── Ghost card ────────────────────────────────────────────────────────────────
function GhostCard() {
return <div className={s.ghostCard} aria-hidden />;
}
const GHOST_COUNT = 3;
// ── Skeleton row ──────────────────────────────────────────────────────────────
function SkeletonRow({ count = 8 }: { count?: number }) {
return (
<div className={s.skeletonRow}>
{Array.from({ length: count }).map((_, i) => (
<div key={i} className={s.cardSkeleton}>
<div className={["skeleton", s.coverSkeleton].join(" ")} />
<div className={["skeleton", s.titleSkeleton].join(" ")} />
</div>
))}
</div>
);
}
// ── Mini card ─────────────────────────────────────────────────────────────────
const MiniCard = memo(function MiniCard({
manga,
onClick,
onContextMenu,
subtitle,
progress,
}: {
manga: Manga;
onClick: () => void;
onContextMenu?: (e: React.MouseEvent) => void;
subtitle?: string;
progress?: number;
}) {
return (
<button className={s.card} onClick={onClick} onContextMenu={onContextMenu}>
<div className={s.coverWrap}>
<img
src={thumbUrl(manga.thumbnailUrl)}
alt={manga.title}
className={s.cover}
loading="lazy"
decoding="async"
/>
{manga.inLibrary && <span className={s.inLibraryBadge}>Saved</span>}
{progress !== undefined && progress > 0 && (
<div className={s.progressBar}>
<div className={s.progressFill} style={{ width: `${progress * 100}%` }} />
</div>
)}
</div>
<p className={s.title}>{manga.title}</p>
{subtitle && <p className={s.subtitle}>{subtitle}</p>}
</button>
);
});
// ── Genre drill-down ──────────────────────────────────────────────────────────
function GenreDrill({
genre,
manga,
sourceManga,
onBack,
onOpen,
}: {
genre: string;
manga: Manga[];
sourceManga: Manga[];
onBack: () => void;
onOpen: (m: Manga) => void;
}) {
const [ctx, setCtx] = useState<{ x: number; y: number; manga: Manga } | null>(null);
const folders = useStore((st) => st.settings.folders);
const addFolder = useStore((st) => st.addFolder);
const assignMangaToFolder = useStore((st) => st.assignMangaToFolder);
function openCtx(e: React.MouseEvent, m: Manga) {
e.preventDefault(); e.stopPropagation();
setCtx({ x: e.clientX, y: e.clientY, manga: m });
}
function buildCtxItems(m: Manga): ContextMenuEntry[] {
return [
{
label: m.inLibrary ? "In Library" : "Add to library",
icon: <BookmarkSimple size={13} weight={m.inLibrary ? "fill" : "light"} />,
disabled: m.inLibrary,
onClick: () => gql(UPDATE_MANGA, { id: m.id, inLibrary: true }).catch(console.error),
},
...(folders.length > 0 ? [
{ separator: true } as ContextMenuEntry,
...folders.map((f): ContextMenuEntry => ({
label: f.mangaIds.includes(m.id) ? `${f.name}` : f.name,
icon: <Folder size={13} weight={f.mangaIds.includes(m.id) ? "fill" : "light"} />,
onClick: () => assignMangaToFolder(f.id, m.id),
})),
] : []),
{ separator: true },
{
label: "New folder & add",
icon: <FolderSimplePlus size={13} weight="light" />,
onClick: () => {
const name = prompt("Folder name:");
if (name?.trim()) { const id = addFolder(name.trim()); assignMangaToFolder(id, m.id); }
},
},
];
}
const filtered = useMemo(() => {
const combined = new Map<number, Manga>();
[...manga, ...sourceManga]
.filter((m) => (m.genre ?? []).includes(genre))
.forEach((m) => combined.set(m.id, m));
return Array.from(combined.values());
}, [manga, sourceManga, genre]);
return (
<div className={s.drillRoot}>
<div className={s.drillHeader}>
<button className={s.back} onClick={onBack}>
<ArrowLeft size={13} weight="light" />
<span>Explore</span>
</button>
<span className={s.drillTitle}>{genre}</span>
</div>
<div className={s.drillGrid}>
{filtered.map((m) => (
<button key={m.id} className={s.drillCard} onClick={() => onOpen(m)} onContextMenu={(e) => openCtx(e, m)}>
<div className={s.coverWrap}>
<img
src={thumbUrl(m.thumbnailUrl)}
alt={m.title}
className={s.cover}
loading="lazy"
decoding="async"
/>
{m.inLibrary && <span className={s.inLibraryBadge}>Saved</span>}
</div>
<p className={s.title}>{m.title}</p>
</button>
))}
{filtered.length === 0 && (
<div className={s.empty}>No manga found for {genre}.</div>
)}
</div>
{ctx && (
<ContextMenu
x={ctx.x}
y={ctx.y}
items={buildCtxItems(ctx.manga)}
onClose={() => setCtx(null)}
/>
)}
</div>
);
}
// ── Section ───────────────────────────────────────────────────────────────────
function Section({
title,
icon,
onSeeAll,
loading,
children,
}: {
title: string;
icon?: React.ReactNode;
onSeeAll?: () => void;
loading?: boolean;
children: React.ReactNode;
}) {
return (
<div className={s.section}>
<div className={s.sectionHeader}>
<span className={s.sectionTitle}>
<span className={s.sectionTitleIcon}>
{icon}
{title}
</span>
</span>
{onSeeAll && (
<button className={s.seeAll} onClick={onSeeAll}>
See all <ArrowRight size={11} weight="light" />
</button>
)}
</div>
{loading ? <SkeletonRow /> : children}
</div>
);
}
// ── Main ──────────────────────────────────────────────────────────────────────
type ExploreMode = "explore" | "sources";
type DrillState = { type: "genre"; genre: string } | null;
export default function Explore() {
const [mode, setMode] = useState<ExploreMode>("explore");
const [drill, setDrill] = useState<DrillState>(null);
const activeSource = useStore((s) => s.activeSource);
if (activeSource) return <SourceBrowse />;
if (drill?.type === "genre" && mode === "explore") {
return <DrillWrapper drill={drill} onBack={() => setDrill(null)} />;
}
return (
<div className={s.root}>
<div className={s.header}>
<div className={s.headerLeft}>
<h1 className={s.heading}>Explore</h1>
<div className={s.tabs}>
<button
className={[s.tab, mode === "explore" ? s.tabActive : ""].join(" ").trim()}
onClick={() => setMode("explore")}
>
<Compass size={11} weight="bold" />
Explore
</button>
<button
className={[s.tab, mode === "sources" ? s.tabActive : ""].join(" ").trim()}
onClick={() => setMode("sources")}
>
<List size={11} weight="bold" />
Sources
</button>
</div>
</div>
</div>
{mode === "explore" ? <ExploreFeed onDrill={setDrill} /> : <SourceList />}
</div>
);
}
// ── Drill wrapper ─────────────────────────────────────────────────────────────
function DrillWrapper({ drill, onBack }: { drill: DrillState; onBack: () => void }) {
const [allManga, setAllManga] = useState<Manga[]>([]);
const [sourceManga, setSourceManga] = useState<Manga[]>([]);
const setActiveManga = useStore((s) => s.setActiveManga);
const setNavPage = useStore((s) => s.setNavPage);
const settings = useStore((s) => s.settings);
useEffect(() => {
Promise.all([
gql<{ mangas: { nodes: Manga[] } }>(GET_ALL_MANGA),
gql<{ mangas: { nodes: Manga[] } }>(GET_LIBRARY),
]).then(([all, lib]) => {
const libMap = new Map(lib.mangas.nodes.map((m) => [m.id, m]));
setAllManga(all.mangas.nodes.map((m) => libMap.get(m.id) ?? m));
}).catch(console.error);
const preferredLang = settings.preferredExtensionLang || "en";
gql<{ sources: { nodes: Source[] } }>(GET_SOURCES)
.then((d) => {
const all = d.sources.nodes.filter((src) => src.id !== "0");
const byName = new Map<string, Source[]>();
for (const src of all) {
if (!byName.has(src.name)) byName.set(src.name, []);
byName.get(src.name)!.push(src);
}
const picked: Source[] = [];
for (const group of byName.values()) {
const preferred = group.find((s) => s.lang === preferredLang);
picked.push(preferred ?? group.sort((a, b) => a.lang.localeCompare(b.lang))[0]);
}
return Promise.allSettled(
picked.map((src) =>
gql<{ fetchSourceManga: { mangas: Manga[] } }>(FETCH_SOURCE_MANGA, {
source: src.id, type: "POPULAR", page: 1, query: null,
}).then((d) => d.fetchSourceManga.mangas)
)
);
})
.then((results) => {
const seen = new Set<number>();
const merged: Manga[] = [];
for (const r of results) {
if (r.status === "fulfilled")
for (const m of r.value)
if (!seen.has(m.id)) { seen.add(m.id); merged.push(m); }
}
setSourceManga(merged);
})
.catch(console.error);
}, []);
if (!drill) return null;
return (
<GenreDrill
genre={drill.genre}
manga={allManga}
sourceManga={sourceManga}
onBack={onBack}
onOpen={(m) => { setActiveManga(m); setNavPage("library"); }}
/>
);
}
// ── Explore feed ──────────────────────────────────────────────────────────────
function ExploreFeed({ onDrill }: { onDrill: (d: DrillState) => void }) {
const [allManga, setAllManga] = useState<Manga[]>([]);
const [loadingLib, setLoadingLib] = useState(true);
// Popular row: deduped results from POPULAR fetch across all sources
const [popularManga, setPopularManga] = useState<Manga[]>([]);
const [loadingPopular, setLoadingPopular] = useState(true);
// Genre search results: genre → merged Manga[] from SEARCH per source
const [genreResults, setGenreResults] = useState<Map<string, Manga[]>>(new Map());
const [loadingGenres, setLoadingGenres] = useState(false);
const [sources, setSources] = useState<Source[]>([]);
const history = useStore((s) => s.history);
const settings = useStore((s) => s.settings);
const setActiveManga = useStore((s) => s.setActiveManga);
const setNavPage = useStore((s) => s.setNavPage);
const folders = useStore((s) => s.settings.folders);
const addFolder = useStore((s) => s.addFolder);
const assignMangaToFolder = useStore((s) => s.assignMangaToFolder);
const [ctx, setCtx] = useState<{ x: number; y: number; manga: Manga } | null>(null);
function openCtx(e: React.MouseEvent, m: Manga) {
e.preventDefault();
e.stopPropagation();
setCtx({ x: e.clientX, y: e.clientY, manga: m });
}
function buildCtxItems(m: Manga): ContextMenuEntry[] {
return [
{
label: m.inLibrary ? "In Library" : "Add to library",
icon: <BookmarkSimple size={13} weight={m.inLibrary ? "fill" : "light"} />,
disabled: m.inLibrary,
onClick: () => gql(UPDATE_MANGA, { id: m.id, inLibrary: true })
.then(() => setActiveManga({ ...m, inLibrary: true }))
.catch(console.error),
},
...(folders.length > 0 ? [
{ separator: true } as ContextMenuEntry,
...folders.map((f): ContextMenuEntry => ({
label: f.mangaIds.includes(m.id) ? `${f.name}` : f.name,
icon: <Folder size={13} weight={f.mangaIds.includes(m.id) ? "fill" : "light"} />,
onClick: () => assignMangaToFolder(f.id, m.id),
})),
] : []),
{ separator: true },
{
label: "New folder & add",
icon: <FolderSimplePlus size={13} weight="light" />,
onClick: () => {
const name = prompt("Folder name:");
if (name?.trim()) {
const id = addFolder(name.trim());
assignMangaToFolder(id, m.id);
}
},
},
];
}
// Load library
useEffect(() => {
Promise.all([
gql<{ mangas: { nodes: Manga[] } }>(GET_ALL_MANGA),
gql<{ mangas: { nodes: Manga[] } }>(GET_LIBRARY),
])
.then(([all, lib]) => {
const libMap = new Map(lib.mangas.nodes.map((m) => [m.id, m]));
setAllManga(all.mangas.nodes.map((m) => libMap.get(m.id) ?? m));
})
.catch(console.error)
.finally(() => setLoadingLib(false));
}, []);
// Load sources → fetch POPULAR from all (for popular row),
// then once we know frecency genres, fire SEARCH per genre per source
useEffect(() => {
const preferredLang = settings.preferredExtensionLang || "en";
gql<{ sources: { nodes: Source[] } }>(GET_SOURCES)
.then((d) => {
const all = d.sources.nodes.filter((src) => src.id !== "0");
// Dedupe by name, pick preferred lang
const byName = new Map<string, Source[]>();
for (const src of all) {
if (!byName.has(src.name)) byName.set(src.name, []);
byName.get(src.name)!.push(src);
}
const picked: Source[] = [];
for (const group of byName.values()) {
const preferred = group.find((s) => s.lang === preferredLang);
picked.push(preferred ?? group.sort((a, b) => a.lang.localeCompare(b.lang))[0]);
}
setSources(picked);
if (picked.length === 0) { setLoadingPopular(false); return; }
// Fetch POPULAR from all sources for the popular row
return Promise.allSettled(
picked.map((src) =>
gql<{ fetchSourceManga: { mangas: Manga[] } }>(FETCH_SOURCE_MANGA, {
source: src.id, type: "POPULAR", page: 1, query: null,
}).then((d) => d.fetchSourceManga.mangas)
)
).then((results) => {
const seen = new Set<number>();
const merged: Manga[] = [];
for (const r of results)
if (r.status === "fulfilled")
for (const m of r.value)
if (!seen.has(m.id)) { seen.add(m.id); merged.push(m); }
setPopularManga(merged.slice(0, 30));
// Return picked sources for genre search phase
return picked;
});
})
.catch(console.error)
.finally(() => setLoadingPopular(false));
}, []);
const FOUNDATIONAL_GENRES = ["Action", "Romance", "Fantasy", "Adventure", "Comedy", "Drama", "Sci-fi", "Horror"];
const frecencyGenres = useMemo(() => {
const mangaScores = new Map<number, number>();
const mangaReadAt = new Map<number, number>();
for (const entry of history) {
mangaScores.set(entry.mangaId, (mangaScores.get(entry.mangaId) ?? 0) + 1);
if (entry.readAt > (mangaReadAt.get(entry.mangaId) ?? 0))
mangaReadAt.set(entry.mangaId, entry.readAt);
}
const genreWeights = new Map<string, number>();
const mangaMap = new Map(allManga.map((m) => [m.id, m]));
for (const [mangaId, count] of mangaScores.entries()) {
const score = frecencyScore(mangaReadAt.get(mangaId) ?? 0, count);
for (const genre of mangaMap.get(mangaId)?.genre ?? [])
genreWeights.set(genre, (genreWeights.get(genre) ?? 0) + score);
}
if (genreWeights.size === 0) {
allManga.filter((m) => m.inLibrary).forEach((m) =>
(m.genre ?? []).forEach((g) =>
genreWeights.set(g, (genreWeights.get(g) ?? 0) + 1)));
}
// If still empty (new user, no library), fall back to foundational genres
if (genreWeights.size === 0) {
return FOUNDATIONAL_GENRES.slice(0, 5);
}
return Array.from(genreWeights.entries())
.sort((a, b) => b[1] - a[1])
.slice(0, 3) // top 3 genres only
.map(([g]) => g);
}, [allManga, history]);
// Fire genre searches once we have both genres and sources
useEffect(() => {
if (frecencyGenres.length === 0 || sources.length === 0) return;
setLoadingGenres(true);
// For each genre, search all sources concurrently, then merge results
// Cap to top 3 sources to limit requests (3 genres × 3 sources = 9 searches max)
const searchSources = sources.slice(0, 3);
Promise.allSettled(
frecencyGenres.map((genre) =>
Promise.allSettled(
searchSources.map((src) =>
gql<{ fetchSourceManga: { mangas: Manga[] } }>(FETCH_SOURCE_MANGA, {
source: src.id, type: "SEARCH", page: 1, query: genre,
}).then((d) => d.fetchSourceManga.mangas)
)
).then((results) => {
const seen = new Set<number>();
const merged: Manga[] = [];
for (const r of results)
if (r.status === "fulfilled")
for (const m of r.value)
if (!seen.has(m.id)) { seen.add(m.id); merged.push(m); }
return { genre, mangas: merged.slice(0, 24) };
})
)
).then((results) => {
const map = new Map<string, Manga[]>();
for (const r of results)
if (r.status === "fulfilled")
map.set(r.value.genre, r.value.mangas);
setGenreResults(map);
})
.catch(console.error)
.finally(() => setLoadingGenres(false));
}, [frecencyGenres.join(","), sources.map((s) => s.id).join(",")]);
function openManga(m: Manga) {
setActiveManga(m);
setNavPage("library");
}
// ── Continue reading ────────────────────────────────────────────────────
const continueReading = useMemo(() => {
const mangaMap = new Map(allManga.map((m) => [m.id, m]));
const seen = new Set<number>();
const result: { manga: Manga; chapterName: string; progress: number }[] = [];
for (const entry of history) {
if (seen.has(entry.mangaId)) continue;
seen.add(entry.mangaId);
const manga = mangaMap.get(entry.mangaId);
if (!manga) continue;
result.push({
manga,
chapterName: entry.chapterName,
progress: entry.pageNumber > 0 ? Math.min(entry.pageNumber / 20, 1) : 0,
});
if (result.length >= 12) break;
}
return result;
}, [history, allManga]);
// ── Recommended (frecency) ──────────────────────────────────────────────
const recommended = useMemo(() => {
if (allManga.length === 0 || frecencyGenres.length === 0) return [];
const continueIds = new Set(continueReading.map((r) => r.manga.id));
return allManga
.filter((m) => m.inLibrary && !continueIds.has(m.id) &&
frecencyGenres.some((g) => (m.genre ?? []).includes(g)))
.slice(0, 20);
}, [allManga, frecencyGenres, continueReading]);
const genresLoading = loadingLib || loadingGenres;
return (
<div className={s.body}>
{/* Continue Reading */}
{(continueReading.length > 0 || loadingLib) && (
<Section
title="Continue Reading"
icon={<BookOpen size={11} weight="bold" />}
loading={loadingLib}
>
<div className={s.row}>
{continueReading.map(({ manga, chapterName, progress }) => (
<MiniCard
key={manga.id}
manga={manga}
onClick={() => openManga(manga)}
onContextMenu={(e) => openCtx(e, manga)}
subtitle={chapterName}
progress={progress}
/>
))}
{Array.from({ length: GHOST_COUNT }).map((_, i) => (
<GhostCard key={`ghost-cr-${i}`} />
))}
</div>
</Section>
)}
{/* Recommended */}
{(recommended.length > 0 || loadingLib) && (
<Section
title="Recommended for You"
icon={<Star size={11} weight="bold" />}
loading={loadingLib}
>
<div className={s.row}>
{recommended.map((m) => (
<MiniCard key={m.id} manga={m} onClick={() => openManga(m)} onContextMenu={(e) => openCtx(e, m)} />
))}
{Array.from({ length: GHOST_COUNT }).map((_, i) => (
<GhostCard key={`ghost-rec-${i}`} />
))}
</div>
</Section>
)}
{/* Popular across deduplicated sources */}
{(popularManga.length > 0 || loadingPopular) && (
<Section
title={
sources.length === 1
? `Popular on ${sources[0].displayName}`
: sources.length > 1
? `Popular across ${sources.length} sources`
: "Popular"
}
icon={<Fire size={11} weight="bold" />}
loading={loadingPopular}
>
{sources.length === 0 ? (
<div className={s.noSource}>No sources installed. Add extensions first.</div>
) : (
<div className={s.row}>
{popularManga.map((m) => (
<MiniCard key={m.id} manga={m} onClick={() => openManga(m)} onContextMenu={(e) => openCtx(e, m)} />
))}
{Array.from({ length: GHOST_COUNT }).map((_, i) => (
<GhostCard key={`ghost-pop-${i}`} />
))}
</div>
)}
</Section>
)}
{/* Genre rows — searched from sources by genre name */}
{frecencyGenres.map((genre) => {
const items = genreResults.get(genre) ?? [];
const isLoading = genresLoading && items.length === 0;
if (!isLoading && items.length === 0) return null;
return (
<Section
key={genre}
title={genre}
onSeeAll={() => onDrill({ type: "genre", genre })}
loading={isLoading}
>
<div className={s.row}>
{items.map((m) => (
<MiniCard key={m.id} manga={m} onClick={() => openManga(m)} onContextMenu={(e) => openCtx(e, m)} />
))}
{Array.from({ length: GHOST_COUNT }).map((_, i) => (
<GhostCard key={`ghost-${genre}-${i}`} />
))}
</div>
</Section>
);
})}
{/* Empty state */}
{!loadingLib && !loadingPopular && !loadingGenres &&
continueReading.length === 0 && recommended.length === 0 &&
popularManga.length === 0 && frecencyGenres.every((g) => !genreResults.get(g)?.length) && (
<div className={s.empty}>
<span>Nothing to explore yet</span>
<span className={s.emptyHint}>
Add manga to your library or install sources to get started.
</span>
</div>
)}
{ctx && (
<ContextMenu
x={ctx.x}
y={ctx.y}
items={buildCtxItems(ctx.manga)}
onClose={() => setCtx(null)}
/>
)}
</div>
);
}