cfw-autumn/apps/website/lib/blogUtils.ts

import fs from "fs";
import matter from "gray-matter";
import path from "path";

const CONTENT_DIR = path.join(process.cwd(), "content", "blog");

export type BlogPostSummary = {
	slug: string;
	title: string;
	description: string;
	date: string | null;
	author: string;
	image: string | null;
};

export type BlogPost = BlogPostSummary & {
	source: string;
};

export function getAllPosts(): BlogPostSummary[] {
	if (!fs.existsSync(CONTENT_DIR)) return [];

	const files = fs
		.readdirSync(CONTENT_DIR)
		.filter((file) => file.endsWith(".mdx"));

	const posts = files.map((filename) => {
		const filePath = path.join(CONTENT_DIR, filename);
		const raw = fs.readFileSync(filePath, "utf-8");
		const { data } = matter(raw);

		return {
			slug: data.slug || filename.replace(/\.mdx$/, ""),
			title: data.title || "Untitled",
			description: data.description || "",
			date: data.date || null,
			author: data.author || "Autumn Team",
			image: data.image || null,
		};
	});

	return posts.sort((a, b) => {
		if (!a.date || !b.date) return 0;
		return new Date(b.date).getTime() - new Date(a.date).getTime();
	});
}

export function getPostBySlug({ slug }: { slug: string }): BlogPost | null {
	if (!fs.existsSync(CONTENT_DIR)) return null;

	const files = fs
		.readdirSync(CONTENT_DIR)
		.filter((file) => file.endsWith(".mdx"));

	for (const filename of files) {
		const filePath = path.join(CONTENT_DIR, filename);
		const raw = fs.readFileSync(filePath, "utf-8");
		const { data, content } = matter(raw);
		const fileSlug = data.slug || filename.replace(/\.mdx$/, "");

		if (fileSlug === slug) {
			return {
				slug: fileSlug,
				title: data.title || "Untitled",
				description: data.description || "",
				date: data.date || null,
				author: data.author || "Autumn Team",
				image: data.image || null,
				source: content,
			};
		}
	}

	return null;
}