feat: add ssr
This commit is contained in:
gosangam
+336
@@ -0,0 +1,336 @@
|
||||
/**
|
||||
* Data access layer for Perfect Questions Perfect Answers (PQPA).
|
||||
*
|
||||
* Reads from MongoDB via Prisma, same as the rest of the app.
|
||||
* PQPA is a prose/dialogue book with no volume structure —
|
||||
* we use volume=0 as the sentinel for "no volumes".
|
||||
*
|
||||
* Collections used:
|
||||
* - book_meta (via Prisma BookMeta model)
|
||||
* - prose_chapters (via Prisma ProseChapter model)
|
||||
*/
|
||||
|
||||
import { prisma } from "@/lib/db";
|
||||
import type { JsonValue } from "@prisma/client/runtime/library";
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
// Constants
|
||||
// ---------------------------------------------------------------------------
|
||||
|
||||
/** Volume sentinel for books without volumes. */
|
||||
const NO_VOLUME = 0;
|
||||
|
||||
const BOOK = "pqpa";
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
// Types
|
||||
// ---------------------------------------------------------------------------
|
||||
|
||||
export type PqpaMeta = {
|
||||
book: string;
|
||||
title: string;
|
||||
author: string;
|
||||
year: number;
|
||||
description: string;
|
||||
totalChapters: number;
|
||||
chapters: PqpaChapterEntry[];
|
||||
};
|
||||
|
||||
export type PqpaChapterEntry = {
|
||||
number: number;
|
||||
title: string;
|
||||
};
|
||||
|
||||
export type PqpaIntroSegment = {
|
||||
slug: string;
|
||||
title: string;
|
||||
type: string;
|
||||
book: string;
|
||||
order: number;
|
||||
paragraphs: string[];
|
||||
};
|
||||
|
||||
export type PqpaChapter = {
|
||||
book: string;
|
||||
chapter: number | null;
|
||||
title: string;
|
||||
type: string;
|
||||
slug?: string;
|
||||
paragraphs: string[];
|
||||
};
|
||||
|
||||
/** Union type used in sidebar / table-of-contents navigation. */
|
||||
export type PqpaSidebarItem = {
|
||||
/** URL-safe slug: "intro-front-pages", "1", "9", "concluding-words" */
|
||||
slug: string;
|
||||
/** Human-readable label for the sidebar */
|
||||
label: string;
|
||||
/** "intro-segment" | "chapter" | "conclusion" */
|
||||
type: string;
|
||||
/** Chapter number, or null for non-chapter items */
|
||||
chapter: number | null;
|
||||
};
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
// HTML sanitisation (mirrors lib/api.ts)
|
||||
// ---------------------------------------------------------------------------
|
||||
|
||||
function sanitizeHtml(html: string): string {
|
||||
let clean = html.replace(/<script[\s>][\s\S]*?<\/script>/gi, "");
|
||||
clean = clean.replace(/<style[\s>][\s\S]*?<\/style>/gi, "");
|
||||
clean = clean.replace(/<iframe[\s>][\s\S]*?<\/iframe>/gi, "");
|
||||
clean = clean.replace(
|
||||
/<\/?(?:script|style|iframe|object|embed|form|input|textarea|select|button)[^>]*>/gi,
|
||||
"",
|
||||
);
|
||||
clean = clean.replace(/\s+on\w+\s*=\s*(?:"[^"]*"|'[^']*'|[^\s>]+)/gi, "");
|
||||
clean = clean.replace(/href\s*=\s*"javascript:[^"]*"/gi, 'href=""');
|
||||
clean = clean.replace(/href\s*=\s*'javascript:[^']*'/gi, "href=''");
|
||||
return clean;
|
||||
}
|
||||
|
||||
/** Normalize paragraphs — handles both native arrays and stringified JSON. */
|
||||
function normalizeParagraphs(paragraphs: string[] | JsonValue): string[] {
|
||||
let result: string[];
|
||||
|
||||
if (typeof paragraphs === "string") {
|
||||
try {
|
||||
const parsed = JSON.parse(paragraphs);
|
||||
result = Array.isArray(parsed) ? parsed : [paragraphs];
|
||||
} catch {
|
||||
result = [paragraphs];
|
||||
}
|
||||
} else if (Array.isArray(paragraphs)) {
|
||||
result = paragraphs as string[];
|
||||
} else {
|
||||
result = [];
|
||||
}
|
||||
|
||||
return result.map(sanitizeHtml);
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
// Book meta
|
||||
// ---------------------------------------------------------------------------
|
||||
|
||||
/**
|
||||
* Book-level metadata (title, author, chapter list, etc.)
|
||||
*/
|
||||
export async function getPqpaMeta(): Promise<PqpaMeta | null> {
|
||||
const meta = await prisma.bookMeta.findUnique({ where: { book: BOOK } });
|
||||
if (!meta) return null;
|
||||
return meta.data as unknown as PqpaMeta;
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
// Intro segments
|
||||
// ---------------------------------------------------------------------------
|
||||
|
||||
/**
|
||||
* All intro segments, ordered by their `order` field.
|
||||
*/
|
||||
export async function getPqpaIntroSegments(): Promise<PqpaIntroSegment[]> {
|
||||
const results = await prisma.proseChapter.findMany({
|
||||
where: { book: BOOK, volume: NO_VOLUME, type: "intro-segment" },
|
||||
orderBy: { order: "asc" },
|
||||
});
|
||||
|
||||
return results.map((doc) => ({
|
||||
slug: doc.slug,
|
||||
title: doc.title,
|
||||
type: doc.type,
|
||||
book: doc.book,
|
||||
order: doc.order,
|
||||
paragraphs: normalizeParagraphs(doc.paragraphs),
|
||||
}));
|
||||
}
|
||||
|
||||
/**
|
||||
* A single intro segment by slug.
|
||||
* Accepts both "intro-introduction" (URL slug) and "introduction" (raw slug).
|
||||
*/
|
||||
export async function getPqpaIntroSegment(
|
||||
slug: string,
|
||||
): Promise<PqpaIntroSegment | null> {
|
||||
// DB stores with "intro-" prefix; accept either form
|
||||
const dbSlug = slug.startsWith("intro-") ? slug : `intro-${slug}`;
|
||||
|
||||
const doc = await prisma.proseChapter.findUnique({
|
||||
where: {
|
||||
book_volume_slug: { book: BOOK, volume: NO_VOLUME, slug: dbSlug },
|
||||
},
|
||||
});
|
||||
if (!doc) return null;
|
||||
|
||||
return {
|
||||
slug: doc.slug,
|
||||
title: doc.title,
|
||||
type: doc.type,
|
||||
book: doc.book,
|
||||
order: doc.order,
|
||||
paragraphs: normalizeParagraphs(doc.paragraphs),
|
||||
};
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
// Chapters
|
||||
// ---------------------------------------------------------------------------
|
||||
|
||||
/**
|
||||
* A numbered chapter (1–9).
|
||||
*/
|
||||
export async function getPqpaChapter(
|
||||
chapterNum: number,
|
||||
): Promise<PqpaChapter | null> {
|
||||
if (chapterNum < 1 || chapterNum > 9 || !Number.isInteger(chapterNum)) {
|
||||
return null;
|
||||
}
|
||||
|
||||
const doc = await prisma.proseChapter.findUnique({
|
||||
where: {
|
||||
book_volume_slug: {
|
||||
book: BOOK,
|
||||
volume: NO_VOLUME,
|
||||
slug: String(chapterNum),
|
||||
},
|
||||
},
|
||||
});
|
||||
if (!doc) return null;
|
||||
|
||||
return {
|
||||
book: doc.book,
|
||||
chapter: doc.chapter,
|
||||
title: doc.title,
|
||||
type: doc.type,
|
||||
slug: doc.slug,
|
||||
paragraphs: normalizeParagraphs(doc.paragraphs),
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* The concluding words section.
|
||||
*/
|
||||
export async function getPqpaConcludingWords(): Promise<PqpaChapter | null> {
|
||||
const doc = await prisma.proseChapter.findUnique({
|
||||
where: {
|
||||
book_volume_slug: {
|
||||
book: BOOK,
|
||||
volume: NO_VOLUME,
|
||||
slug: "concluding-words",
|
||||
},
|
||||
},
|
||||
});
|
||||
if (!doc) return null;
|
||||
|
||||
return {
|
||||
book: doc.book,
|
||||
chapter: doc.chapter,
|
||||
title: doc.title,
|
||||
type: doc.type,
|
||||
slug: doc.slug,
|
||||
paragraphs: normalizeParagraphs(doc.paragraphs),
|
||||
};
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
// Unified content accessor
|
||||
// ---------------------------------------------------------------------------
|
||||
|
||||
/**
|
||||
* Get content by URL slug.
|
||||
*
|
||||
* "intro-front-pages" → intro segment
|
||||
* "intro-introduction" → intro segment
|
||||
* "intro-about-the-author" → intro segment
|
||||
* "1" … "9" → chapter
|
||||
* "concluding-words" → concluding section
|
||||
*/
|
||||
export async function getPqpaContent(
|
||||
slug: string,
|
||||
): Promise<PqpaChapter | PqpaIntroSegment | null> {
|
||||
if (slug.startsWith("intro-")) {
|
||||
return getPqpaIntroSegment(slug);
|
||||
}
|
||||
|
||||
if (slug === "concluding-words") {
|
||||
return getPqpaConcludingWords();
|
||||
}
|
||||
|
||||
const num = Number(slug);
|
||||
if (!Number.isNaN(num) && Number.isInteger(num) && num >= 1 && num <= 9) {
|
||||
return getPqpaChapter(num);
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
// Sidebar navigation
|
||||
// ---------------------------------------------------------------------------
|
||||
|
||||
/**
|
||||
* Build the full sidebar navigation list.
|
||||
*
|
||||
* Order: front-pages → introduction → chapters 1–9 → concluding-words → about-the-author
|
||||
*/
|
||||
export async function getPqpaSidebarItems(): Promise<PqpaSidebarItem[]> {
|
||||
const [meta, allDocs] = await Promise.all([
|
||||
getPqpaMeta(),
|
||||
prisma.proseChapter.findMany({
|
||||
where: { book: BOOK, volume: NO_VOLUME },
|
||||
orderBy: { order: "asc" },
|
||||
select: { slug: true, title: true, type: true, chapter: true, order: true },
|
||||
}),
|
||||
]);
|
||||
|
||||
if (!meta) return [];
|
||||
|
||||
const items: PqpaSidebarItem[] = [];
|
||||
|
||||
// Intro segments that come BEFORE chapters (order < 99)
|
||||
for (const doc of allDocs) {
|
||||
if (doc.type === "intro-segment" && (doc.order ?? 0) < 99) {
|
||||
items.push({
|
||||
slug: doc.slug,
|
||||
label: doc.title,
|
||||
type: "intro-segment",
|
||||
chapter: null,
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
// Chapters 1–9 (use meta.chapters for consistent title/ordering)
|
||||
for (const ch of meta.chapters) {
|
||||
items.push({
|
||||
slug: String(ch.number),
|
||||
label: `Chapter ${ch.number}: ${ch.title}`,
|
||||
type: "chapter",
|
||||
chapter: ch.number,
|
||||
});
|
||||
}
|
||||
|
||||
// Concluding words
|
||||
const cw = allDocs.find((d) => d.type === "conclusion");
|
||||
if (cw) {
|
||||
items.push({
|
||||
slug: cw.slug,
|
||||
label: cw.title,
|
||||
type: "conclusion",
|
||||
chapter: null,
|
||||
});
|
||||
}
|
||||
|
||||
// Intro segments that come AFTER chapters (order >= 99, e.g. about-the-author)
|
||||
for (const doc of allDocs) {
|
||||
if (doc.type === "intro-segment" && (doc.order ?? 0) >= 99) {
|
||||
items.push({
|
||||
slug: doc.slug,
|
||||
label: doc.title,
|
||||
type: "intro-segment",
|
||||
chapter: null,
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
return items;
|
||||
}
|
||||
Reference in New Issue
Block a user