feat: add book transcripts categorisation
This commit is contained in:
gosangam
@@ -0,0 +1,590 @@
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"use client";
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import { useState, useMemo, useRef } from "react";
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import Link from "next/link";
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import { Card, CardContent } from "@/components/ui/card";
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import { Badge } from "@/components/ui/badge";
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import { buttonVariants } from "@/components/ui/button";
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import { cn } from "@/lib/utils";
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import { ChevronLeft, ChevronRight, Menu, Calendar, Clock, MapPin } from "lucide-react";
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import { PlayAudioButton } from "@/app/(app)/transcriptions/[slug]/play-audio-button";
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import { parseChapter } from "@/lib/book-reference";
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import {
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Drawer,
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DrawerClose,
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DrawerContent,
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DrawerHeader,
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DrawerTitle,
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DrawerTrigger,
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} from "@/components/ui/drawer";
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// ---------------------------------------------------------------------------
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// Types
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// ---------------------------------------------------------------------------
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export type TranscriptionItem = {
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slug: string;
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name: string;
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type: string;
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date: string | null;
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year: number | null;
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month: number | null;
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day: number | null;
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place: string | null;
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context: string | null;
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reference: string | null;
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durationMinutes: number | null;
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participants: string[];
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audioUrl: string | null;
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};
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type YearGroup = {
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year: number;
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label: string;
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count: number;
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transcriptions: TranscriptionItem[];
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};
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type ChapterGroup = {
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key: string;
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label: string;
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transcriptions: TranscriptionItem[];
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};
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// A section is a canto (SB) or līlā (CC). Books without that level produce a
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// single section with a null label (rendered without a heading).
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type SectionGroup = {
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key: string;
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label: string | null;
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chapters: ChapterGroup[];
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};
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// ---------------------------------------------------------------------------
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// Grouping helpers
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// ---------------------------------------------------------------------------
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function buildYearGroups(transcriptions: TranscriptionItem[]): YearGroup[] {
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const map = new Map<number, TranscriptionItem[]>();
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for (const t of transcriptions) {
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const y = t.year ?? 0;
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if (!map.has(y)) map.set(y, []);
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map.get(y)!.push(t);
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}
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const groups: YearGroup[] = [];
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const years = Array.from(map.keys()).sort((a, b) => a - b);
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for (const y of years) {
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if (y === 0) continue;
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const items = map.get(y)!;
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groups.push({
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year: y,
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label: String(y),
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count: items.length,
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transcriptions: items,
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});
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}
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const undated = map.get(0);
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if (undated && undated.length > 0) {
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groups.push({
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year: 0,
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label: "Undated",
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count: undated.length,
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transcriptions: undated,
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});
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}
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return groups;
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}
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// Group a year's transcripts into sections (canto/līlā) → chapter accordions,
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// ordered by the parsed sort tuple. Books without a canto/līlā level collapse
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// into a single section with a null label. Only sections/chapters that have
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// transcripts appear.
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function buildSections(
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transcriptions: TranscriptionItem[],
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code: string,
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): SectionGroup[] {
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const sections = new Map<
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string,
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{
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label: string | null;
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order: number;
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chapters: Map<
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string,
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{ label: string; sort: [number, number]; items: TranscriptionItem[] }
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>;
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}
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>();
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for (const t of transcriptions) {
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const ch = parseChapter(code, t.reference);
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const secKey = ch.section ? ch.section.key : "__flat__";
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if (!sections.has(secKey)) {
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sections.set(secKey, {
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label: ch.section ? ch.section.label : null,
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order: ch.section ? ch.section.order : 0,
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chapters: new Map(),
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});
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}
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const sec = sections.get(secKey)!;
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if (!sec.chapters.has(ch.key)) {
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sec.chapters.set(ch.key, { label: ch.label, sort: ch.sort, items: [] });
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}
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sec.chapters.get(ch.key)!.items.push(t);
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}
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return Array.from(sections.entries())
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.sort((a, b) => a[1].order - b[1].order)
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.map(([key, s]) => ({
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key,
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label: s.label,
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chapters: Array.from(s.chapters.entries())
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.sort(
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(a, b) => a[1].sort[0] - b[1].sort[0] || a[1].sort[1] - b[1].sort[1],
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)
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.map(([k, v]) => ({
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key: k,
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label: v.label,
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transcriptions: v.items,
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})),
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}));
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}
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// ---------------------------------------------------------------------------
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// Year Sidebar
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// ---------------------------------------------------------------------------
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function YearSidebar({
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groups,
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activeYear,
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onSelect,
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}: {
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groups: YearGroup[];
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activeYear: number;
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onSelect: (year: number) => void;
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}) {
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return (
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<aside className="hidden lg:block w-56 shrink-0 sticky top-[89px] self-start max-h-[calc(100vh-89px)] overflow-y-auto py-8 pr-4">
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<h2 className="text-xs font-bold uppercase tracking-wider text-muted-foreground mb-3 px-2">
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Years
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</h2>
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<nav className="flex flex-col gap-0.5">
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{groups.map((g) => {
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const isActive = g.year === activeYear;
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return (
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<button
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key={g.year}
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onClick={() => onSelect(g.year)}
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className={cn(
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"flex items-center justify-between gap-2 px-2 py-1.5 rounded-md text-sm transition-colors text-left",
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isActive
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? "bg-primary/10 text-primary font-medium"
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: "text-muted-foreground hover:bg-muted hover:text-foreground",
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)}
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>
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<span className="truncate">{g.label}</span>
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<span
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className={cn(
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"text-xs tabular-nums shrink-0",
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isActive ? "text-primary/70" : "text-muted-foreground/60",
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)}
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>
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{g.count}
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</span>
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</button>
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);
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})}
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</nav>
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</aside>
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);
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}
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// ---------------------------------------------------------------------------
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// Mobile drawer
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// ---------------------------------------------------------------------------
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function YearMobileNav({
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groups,
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activeYear,
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onSelect,
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title,
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}: {
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groups: YearGroup[];
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activeYear: number;
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onSelect: (year: number) => void;
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title: string;
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}) {
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const [open, setOpen] = useState(false);
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return (
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<Drawer open={open} onOpenChange={setOpen} direction="left">
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<DrawerTrigger
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className={cn(
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buttonVariants({ variant: "outline", size: "sm" }),
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"lg:hidden gap-1.5",
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)}
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>
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<Menu className="size-4" />
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<span className="hidden sm:inline">Years</span>
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</DrawerTrigger>
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<DrawerContent direction="left" className="h-full">
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<DrawerHeader className="text-left border-b border-border pb-4 mb-2">
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<DrawerTitle>{title}</DrawerTitle>
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</DrawerHeader>
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<nav className="overflow-y-auto px-4 pb-6 pt-2">
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<div className="flex flex-col gap-0.5">
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{groups.map((g) => {
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const isActive = g.year === activeYear;
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return (
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<DrawerClose key={g.year} asChild>
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<button
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onClick={() => {
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onSelect(g.year);
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setOpen(false);
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}}
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className={cn(
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"flex items-center justify-between gap-2 px-2 py-2 rounded-md text-sm transition-colors text-left",
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isActive
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? "bg-primary/10 text-primary font-medium"
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: "text-muted-foreground hover:bg-muted hover:text-foreground",
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)}
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>
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<span>{g.label}</span>
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<span
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className={cn(
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"text-xs tabular-nums",
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isActive
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? "text-primary/70"
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: "text-muted-foreground/60",
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)}
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>
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{g.count}
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</span>
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</button>
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</DrawerClose>
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);
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})}
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</div>
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</nav>
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</DrawerContent>
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</Drawer>
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);
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}
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// ---------------------------------------------------------------------------
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// Prev / Next nav
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// ---------------------------------------------------------------------------
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function YearNav({
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prev,
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next,
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groups,
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activeYear,
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onSelect,
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drawerTitle,
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}: {
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prev: YearGroup | null;
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next: YearGroup | null;
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groups: YearGroup[];
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activeYear: number;
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onSelect: (year: number) => void;
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drawerTitle: string;
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}) {
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return (
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<div className="flex items-center justify-between gap-3">
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<div className="flex items-center gap-2">
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<YearMobileNav
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groups={groups}
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activeYear={activeYear}
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onSelect={onSelect}
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title={drawerTitle}
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/>
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{prev ? (
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<button
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onClick={() => onSelect(prev.year)}
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className={cn(
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buttonVariants({ variant: "outline", size: "sm" }),
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"gap-1.5",
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)}
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>
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<ChevronLeft className="size-4" />
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<span className="hidden sm:inline truncate max-w-[180px]">
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{prev.label}
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</span>
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<span className="sm:hidden">Previous</span>
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</button>
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) : (
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<div className="hidden lg:block" />
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)}
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</div>
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{next ? (
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<button
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onClick={() => onSelect(next.year)}
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className={cn(
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buttonVariants({ variant: "outline", size: "sm" }),
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"gap-1.5",
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)}
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>
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<span className="hidden sm:inline truncate max-w-[180px]">
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{next.label}
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</span>
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<span className="sm:hidden">Next</span>
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<ChevronRight className="size-4" />
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</button>
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) : (
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<div />
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)}
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</div>
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);
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}
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// ---------------------------------------------------------------------------
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// Chapter section — collapsible group of transcriptions for a single chapter
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// ---------------------------------------------------------------------------
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function ChapterSection({
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group,
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defaultOpen,
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}: {
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group: ChapterGroup;
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defaultOpen: boolean;
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}) {
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const [open, setOpen] = useState(defaultOpen);
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return (
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<div>
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<button
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onClick={() => setOpen(!open)}
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className="flex items-center gap-3 w-full px-5 py-3 text-left hover:bg-muted/50 transition-colors"
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>
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<ChevronRight
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className={cn(
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"size-4 text-muted-foreground shrink-0 transition-transform",
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open && "rotate-90",
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)}
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/>
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<span className="font-semibold text-foreground text-sm">
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{group.label}
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</span>
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<span className="text-xs text-muted-foreground tabular-nums">
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{group.transcriptions.length}{" "}
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{group.transcriptions.length === 1
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? "transcription"
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: "transcriptions"}
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</span>
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</button>
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{open && (
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<ul className="divide-y divide-border">
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{group.transcriptions.map((t) => (
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<li key={t.slug}>
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<Link
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href={`/transcriptions/${t.slug}`}
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className="flex items-center px-5 pl-12 py-3.5 gap-3 hover:bg-muted transition-colors"
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>
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<div className="min-w-0 flex-1">
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<div className="flex items-center gap-2 flex-wrap">
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<p className="font-medium text-foreground text-sm">
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{t.name}
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</p>
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<Badge
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variant={t.type === "lecture" ? "default" : "secondary"}
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className="text-[10px] px-1.5 py-0"
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>
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{t.type === "lecture" ? "Lecture" : "Conversation"}
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</Badge>
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</div>
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<div className="flex flex-wrap items-center gap-x-3 gap-y-1 mt-1 text-xs text-muted-foreground">
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{t.date && (
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<span className="flex items-center gap-1">
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<Calendar className="size-3" />
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{t.date}
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</span>
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)}
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{t.place && (
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<span className="flex items-center gap-1">
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<MapPin className="size-3" />
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{t.place}
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</span>
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)}
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{t.reference && (
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<span className="text-primary/70">{t.reference}</span>
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)}
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{t.durationMinutes && t.durationMinutes > 0 && (
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<span className="flex items-center gap-1">
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<Clock className="size-3" />
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{t.durationMinutes} min
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</span>
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)}
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</div>
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</div>
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{t.audioUrl && (
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<PlayAudioButton
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audioUrl={t.audioUrl}
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title={t.name}
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subtitle={[t.date, t.place].filter(Boolean).join(" · ")}
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sourceUrl={`/transcriptions/${t.slug}`}
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type={t.type}
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variant="compact"
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/>
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)}
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</Link>
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</li>
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))}
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</ul>
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)}
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</div>
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);
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}
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// ---------------------------------------------------------------------------
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// Main component
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// ---------------------------------------------------------------------------
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export function TranscriptionBookBrowser({
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transcriptions,
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code,
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title,
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totalCount,
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}: {
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transcriptions: TranscriptionItem[];
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code: string;
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title: string;
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totalCount: number;
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}) {
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const yearGroups = useMemo(
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() => buildYearGroups(transcriptions),
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[transcriptions],
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);
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const [activeYearRaw, setActiveYear] = useState<number>(
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yearGroups.length > 0 ? yearGroups[0].year : 0,
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);
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// Derive a safe active year
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const activeYear = useMemo(() => {
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if (yearGroups.length === 0) return activeYearRaw;
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if (yearGroups.find((g) => g.year === activeYearRaw)) return activeYearRaw;
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return yearGroups[0].year;
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}, [yearGroups, activeYearRaw]);
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const contentRef = useRef<HTMLDivElement>(null);
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const handleYearSelect = (year: number) => {
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setActiveYear(year);
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contentRef.current?.scrollIntoView({ behavior: "smooth", block: "start" });
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};
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// Active group + neighbors
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const activeIdx = yearGroups.findIndex((g) => g.year === activeYear);
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const activeGroup = activeIdx >= 0 ? yearGroups[activeIdx] : null;
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const prev = activeIdx > 0 ? yearGroups[activeIdx - 1] : null;
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const next =
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activeIdx >= 0 && activeIdx < yearGroups.length - 1
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? yearGroups[activeIdx + 1]
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: null;
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// Sections (canto/līlā) → chapters within the active year
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const sections = useMemo(
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() => buildSections(activeGroup?.transcriptions ?? [], code),
|
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[activeGroup, code],
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);
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||||
const activeYearLabel = activeGroup?.label ?? "Unknown";
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return (
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<>
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||||
{/* Header */}
|
||||
<header className="border-b border-border bg-card px-6 py-4 sticky top-0 z-20">
|
||||
<div className="max-w-5xl mx-auto">
|
||||
<Link
|
||||
href="/transcriptions?view=book"
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className="text-sm text-muted-foreground hover:text-foreground transition-colors"
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>
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← Transcriptions by Book
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</Link>
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<h1 className="mt-3 text-2xl font-bold text-foreground">
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<span className="text-primary">{title}: </span>
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{activeYearLabel}
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</h1>
|
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<p className="mt-1 text-muted-foreground">
|
||||
{activeGroup?.count ?? 0}{" "}
|
||||
{(activeGroup?.count ?? 0) === 1
|
||||
? "transcription"
|
||||
: "transcriptions"}{" "}
|
||||
in {activeYearLabel} · {totalCount} total
|
||||
</p>
|
||||
</div>
|
||||
</header>
|
||||
|
||||
{/* Sidebar + Main */}
|
||||
<div className="max-w-5xl mx-auto flex">
|
||||
{/* Left sidebar — years */}
|
||||
<YearSidebar
|
||||
groups={yearGroups}
|
||||
activeYear={activeYear}
|
||||
onSelect={handleYearSelect}
|
||||
/>
|
||||
|
||||
{/* Main content */}
|
||||
<main ref={contentRef} className="flex-1 min-w-0 px-6 py-8 space-y-8">
|
||||
{/* Top navigation */}
|
||||
<YearNav
|
||||
prev={prev}
|
||||
next={next}
|
||||
groups={yearGroups}
|
||||
activeYear={activeYear}
|
||||
onSelect={handleYearSelect}
|
||||
drawerTitle={title}
|
||||
/>
|
||||
|
||||
{/* Content — sections (canto/līlā) → chapter accordions */}
|
||||
{sections.length === 0 ? (
|
||||
<div className="py-12 text-center text-muted-foreground">
|
||||
<p className="text-lg font-medium">
|
||||
No transcriptions for this year
|
||||
</p>
|
||||
</div>
|
||||
) : (
|
||||
<div className="space-y-12">
|
||||
{sections.map((section) => (
|
||||
<section key={section.key} className="space-y-3">
|
||||
{section.label && (
|
||||
<h2 className="text-lg font-bold text-foreground border-b border-border pb-2">
|
||||
{section.label}
|
||||
</h2>
|
||||
)}
|
||||
<Card className="overflow-hidden">
|
||||
<CardContent className="p-0 divide-y divide-border">
|
||||
{section.chapters.map((cg, i) => (
|
||||
<ChapterSection
|
||||
key={cg.key}
|
||||
group={cg}
|
||||
defaultOpen={i === 0 || section.chapters.length <= 3}
|
||||
/>
|
||||
))}
|
||||
</CardContent>
|
||||
</Card>
|
||||
</section>
|
||||
))}
|
||||
</div>
|
||||
)}
|
||||
|
||||
{/* Bottom navigation */}
|
||||
<YearNav
|
||||
prev={prev}
|
||||
next={next}
|
||||
groups={yearGroups}
|
||||
activeYear={activeYear}
|
||||
onSelect={handleYearSelect}
|
||||
drawerTitle={title}
|
||||
/>
|
||||
</main>
|
||||
</div>
|
||||
</>
|
||||
);
|
||||
}
|
||||
Reference in New Issue
Block a user