gosangamandClaude Opus 5.5
0a23ab59f7
The All tab is now a click-through of category cards — Books, Lectures & Conversations, Other quizzes — each opening its books or years, then the quizzes themselves. Only categories with quizzes get a card. The position and tab live in the URL (?in=books&book=bg, ?tab=todo), so refresh, Back and shared links keep your place. Book quizzes list in chapter order. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
93 lines
2.8 KiB
TypeScript
93 lines
2.8 KiB
TypeScript
/**
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* Groups the quiz list for the "All" tab:
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*
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* Books → one group per book, in the library's order
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* Lectures & Conversations → one group per year, oldest first, undated last
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* Other quizzes → stand-alone quizzes
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*
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* Only groups with quizzes in them are returned, so an empty category or
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* sub-category never renders.
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*/
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import { BOOK_NAMES } from "@/lib/constants";
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import type { QuizCard } from "@/lib/quiz";
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export type QuizGroup = { key: string; label: string; quizzes: QuizCard[] };
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export type QuizSections = {
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books: QuizGroup[];
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lectures: QuizGroup[];
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other: QuizCard[];
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};
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const BOOK_ORDER = Object.keys(BOOK_NAMES);
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/** "bg" from /books/bg/2 — the book a chapter quiz belongs to. */
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function bookCode(path?: string | null): string | null {
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const m = path?.match(/^\/books\/([^/]+)/);
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return m ? m[1] : null;
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}
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/**
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* The recording's year. Saved on the quiz since target_year existed; for
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* older quizzes, read from the slug's yymmdd prefix (720720sb-london → 1972)
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* when it falls in Śrīla Prabhupāda's recorded years.
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*/
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function lectureYear(q: QuizCard): number | null {
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if (q.target_year) return q.target_year;
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const m = q.target_path?.match(/^\/transcriptions\/(\d{2})\d{4}/);
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if (!m) return null;
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const y = 1900 + Number(m[1]);
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return y >= 1966 && y <= 1977 ? y : null;
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}
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export function groupQuizzes(cards: QuizCard[]): QuizSections {
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const books = new Map<string, QuizCard[]>();
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const years = new Map<number | null, QuizCard[]>();
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const other: QuizCard[] = [];
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for (const q of cards) {
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if (q.target_kind === "chapter") {
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const code = bookCode(q.target_path) ?? "other";
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books.set(code, [...(books.get(code) ?? []), q]);
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} else if (
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q.target_kind === "lecture" ||
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q.target_kind === "conversation"
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) {
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const y = lectureYear(q);
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years.set(y, [...(years.get(y) ?? []), q]);
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} else {
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other.push(q);
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}
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}
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const rank = (code: string) => {
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const i = BOOK_ORDER.indexOf(code);
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return i < 0 ? BOOK_ORDER.length : i;
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};
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return {
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books: [...books.entries()]
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.sort(([a], [b]) => rank(a) - rank(b) || a.localeCompare(b))
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.map(([code, quizzes]) => ({
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key: code,
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label: BOOK_NAMES[code] ?? code.toUpperCase(),
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// Chapter order (/books/bg/2 before /books/bg/10), not newest first.
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quizzes: [...quizzes].sort((a, b) =>
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(a.target_path ?? "").localeCompare(b.target_path ?? "", undefined, {
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numeric: true,
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}),
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),
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})),
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lectures: [...years.entries()]
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// Oldest first; undated (null) last.
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.sort(([a], [b]) => (a ?? 9999) - (b ?? 9999))
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.map(([year, quizzes]) => ({
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key: String(year ?? "undated"),
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label: year ? String(year) : "Undated",
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quizzes,
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})),
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other,
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};
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}
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