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spsays-training/app/(app)/books/nod/[chapter]/page.tsx
T

334 lines
9.9 KiB
TypeScript

export const dynamic = "force-dynamic";
import type { Metadata } from "next";
import Link from "next/link";
import { notFound } from "next/navigation";
import {
getNodContent,
getNodSidebarItems,
type NodChapter,
type NodSidebarItem,
} from "@/lib/nod";
import { getProseChapter } from "@/lib/api";
import { ogForChapter, extractQuoteFromHl, buildOgMeta } from "@/lib/og";
import { BOOK_NAMES } from "@/lib/constants";
import { PageHeader } from "@/components/layout/page-header";
import { JsonLd } from "@/components/seo/json-ld";
import { articleJsonLd } from "@/lib/jsonld";
import { Card, CardContent } from "@/components/ui/card";
import { buttonVariants } from "@/components/ui/button";
import { ChevronLeft, ChevronRight } from "lucide-react";
import { cn } from "@/lib/utils";
import { MobileNav, type MobileNavGroup } from "@/components/layout/mobile-nav";
import { FindInPage } from "@/components/layout/find-in-page";
// ---------------------------------------------------------------------------
// Metadata
// ---------------------------------------------------------------------------
export async function generateMetadata({
params,
searchParams,
}: {
params: Promise<{ chapter: string }>;
searchParams: Promise<Record<string, string | string[] | undefined>>;
}): Promise<Metadata> {
const { chapter: slug } = await params;
const sp = await searchParams;
const chapter = await getProseChapter("nod", 0, slug);
const hlQuote = extractQuoteFromHl(sp, chapter?.paragraphs);
if (hlQuote) {
return buildOgMeta({ title: BOOK_NAMES["nod"], quote: hlQuote });
}
return ogForChapter("nod", chapter?.title || "");
}
// ---------------------------------------------------------------------------
// Page
// ---------------------------------------------------------------------------
export default async function NodChapterPage({
params,
}: {
params: Promise<{ chapter: string }>;
}) {
const { chapter: slug } = await params;
const content = await getNodContent(slug);
if (!content) notFound();
const sidebarItems = await getNodSidebarItems();
const currentIdx = sidebarItems.findIndex((item) => item.slug === slug);
const prev = currentIdx > 0 ? sidebarItems[currentIdx - 1] : null;
const next =
currentIdx < sidebarItems.length - 1 ? sidebarItems[currentIdx + 1] : null;
// Build the page title
const isChapter =
"chapter" in content &&
typeof (content as NodChapter).chapter === "number" &&
(content as NodChapter).chapter !== null;
const chapterNum = isChapter ? (content as NodChapter).chapter : null;
return (
<div className="min-h-screen bg-background">
<JsonLd data={articleJsonLd({ path: `/books/nod/${slug}`, headline: content.title, description: content.paragraphs?.[0], isPartOf: "The Nectar of Devotion" })} />
<PageHeader sticky>
<Link
href="/books/nod"
className="text-sm text-muted-foreground hover:text-foreground transition-colors"
>
&larr; The Nectar of Devotion
</Link>
<div className="mt-3 flex items-start justify-between gap-3">
<h1 className="text-2xl font-bold text-foreground">
{chapterNum != null && (
<span className="text-primary">Chapter {chapterNum}: </span>
)}
{content.title}
</h1>
<FindInPage targetId="book-content" className="shrink-0 mt-0.5" />
</div>
</PageHeader>
<div className="max-w-5xl mx-auto flex">
{/* Left sidebar */}
<NodSidebar items={sidebarItems} currentSlug={slug} />
{/* Main content */}
<main className="flex-1 min-w-0 px-6 py-8 space-y-8">
{/* Top navigation */}
<NodNav
prev={prev}
next={next}
sidebarItems={sidebarItems}
currentSlug={slug}
/>
{/* Content */}
<Card id="book-content">
<CardContent className="py-8 px-6 sm:px-8">
<div className="space-y-4">
{content.paragraphs.map((paragraph, i) => (
<div
key={i}
className="text-base text-foreground leading-relaxed"
dangerouslySetInnerHTML={{ __html: paragraph }}
/>
))}
</div>
</CardContent>
</Card>
{/* Bottom navigation */}
<NodNav
prev={prev}
next={next}
sidebarItems={sidebarItems}
currentSlug={slug}
/>
</main>
</div>
</div>
);
}
// ---------------------------------------------------------------------------
// Sidebar
// ---------------------------------------------------------------------------
function NodSidebar({
items,
currentSlug,
}: {
items: NodSidebarItem[];
currentSlug: string;
}) {
const introItems = items.filter((item) => item.type === "intro-segment");
const chapterItems = items.filter((item) => item.type === "chapter");
const conclusionItems = items.filter((item) => item.type === "conclusion");
return (
<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">
{/* Front Matter */}
{introItems.length > 0 && (
<>
<h2 className="text-xs font-bold uppercase tracking-wider text-muted-foreground mb-3 px-2">
Front Matter
</h2>
<nav className="flex flex-col gap-0.5 mb-4">
{introItems.map((item) => (
<SidebarLink
key={item.slug}
item={item}
isActive={item.slug === currentSlug}
/>
))}
</nav>
</>
)}
{/* Chapters */}
{chapterItems.length > 0 && (
<>
<h2 className="text-xs font-bold uppercase tracking-wider text-muted-foreground mb-3 px-2">
Chapters
</h2>
<nav className="flex flex-col gap-0.5 mb-4">
{chapterItems.map((item) => (
<SidebarLink
key={item.slug}
item={item}
isActive={item.slug === currentSlug}
/>
))}
</nav>
</>
)}
{/* Concluding Words */}
{conclusionItems.length > 0 && (
<nav className="flex flex-col gap-0.5">
{conclusionItems.map((item) => (
<SidebarLink
key={item.slug}
item={item}
isActive={item.slug === currentSlug}
/>
))}
</nav>
)}
</aside>
);
}
function SidebarLink({
item,
isActive,
}: {
item: NodSidebarItem;
isActive: boolean;
}) {
const label = item.label;
return (
<Link
href={`/books/nod/${item.slug}`}
className={cn(
"px-2 py-1.5 rounded-md text-sm transition-colors truncate",
isActive
? "bg-primary/10 text-primary font-medium"
: "text-muted-foreground hover:bg-muted hover:text-foreground",
)}
title={label}
>
{label}
</Link>
);
}
// ---------------------------------------------------------------------------
// Prev / Next navigation
// ---------------------------------------------------------------------------
function NodNav({
prev,
next,
sidebarItems,
currentSlug,
}: {
prev: NodSidebarItem | null;
next: NodSidebarItem | null;
sidebarItems: NodSidebarItem[];
currentSlug: string;
}) {
const mobileNavGroups: MobileNavGroup[] = [];
const introItems = sidebarItems.filter((i) => i.type === "intro-segment");
if (introItems.length > 0) {
mobileNavGroups.push({
title: "Front Matter",
items: introItems.map((i) => ({
slug: i.slug,
label: i.label,
href: `/books/nod/${i.slug}`,
type: i.type,
})),
});
}
const chapterItems = sidebarItems.filter((i) => i.type === "chapter");
const conclusionItems = sidebarItems.filter((i) => i.type === "conclusion");
if (chapterItems.length > 0 || conclusionItems.length > 0) {
mobileNavGroups.push({
title: "Chapters",
items: [
...chapterItems.map((i) => ({
slug: i.slug,
label: i.label,
href: `/books/nod/${i.slug}`,
type: i.type,
})),
...conclusionItems.map((i) => ({
slug: i.slug,
label: i.label,
href: `/books/nod/${i.slug}`,
type: i.type,
})),
],
});
}
return (
<div className="flex items-center justify-between gap-3">
<div className="flex items-center gap-2">
<MobileNav
groups={mobileNavGroups}
currentSlug={currentSlug}
bookTitle="The Nectar of Devotion"
/>
{prev ? (
<Link
href={`/books/nod/${prev.slug}`}
className={cn(
buttonVariants({ variant: "outline", size: "sm" }),
"gap-1.5",
)}
>
<ChevronLeft className="size-4" />
<span className="hidden sm:inline truncate max-w-[180px]">
{prev.type === "chapter" && prev.chapter != null
? `Ch. ${prev.chapter}`
: prev.label}
</span>
<span className="sm:hidden">Previous</span>
</Link>
) : (
<div className="hidden lg:block" />
)}
</div>
{next ? (
<Link
href={`/books/nod/${next.slug}`}
className={cn(
buttonVariants({ variant: "outline", size: "sm" }),
"gap-1.5",
)}
>
<span className="hidden sm:inline truncate max-w-[180px]">
{next.type === "chapter" && next.chapter != null
? `Ch. ${next.chapter}`
: next.label}
</span>
<span className="sm:hidden">Next</span>
<ChevronRight className="size-4" />
</Link>
) : (
<div />
)}
</div>
);
}