134 lines
3.5 KiB
TypeScript
134 lines
3.5 KiB
TypeScript
import type { PageServerLoad } from './$types';
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import { error, isHttpError } from '@sveltejs/kit';
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interface PostRow {
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id: number;
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slug: string;
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title: string;
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content: string;
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cover: string | null;
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date: string;
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category_name: string | null;
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category_slug: string | null;
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author: string | null;
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series_id: number | null;
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series_name: string | null;
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series_slug: string | null;
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series_description: string | null;
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series_weight: number | null;
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}
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export const load: PageServerLoad = async ({ platform, params }) => {
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const db = platform?.env?.DB;
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const { slug } = params;
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if (!db) {
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const dummyMarkdown = `
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欢迎来到 BlogFlare 博客系统。由于当前在 \`vite dev\` 模式下没有连接到本地数据库，您看到的是兜底(Fallback)渲染的测试内容。
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### DoIt 风格的 Admonitions 测试
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> [!NOTE]
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> 这是一个 Note (笔记) 提示框，可以用来补充额外的说明信息。
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> [!TIP]
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> 这是一个 Tip (提示) 提示框，通常用来给出最佳实践或小技巧。
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> [!WARNING]
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> 这是一个 Warning (警告) 提示框，用来引起用户的注意，避免发生错误。
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> [!DANGER]
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> 这是一个 Danger (危险) 提示框，警告用户该操作可能产生严重后果（比如删除数据）。
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正文测试结束。
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`;
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return {
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post: {
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id: 1,
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slug,
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title: slug === 'hello-world' ? 'Hello, BlogFlare! (Fallback)' : 'The Beauty of Typecho Theme VOID',
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content: dummyMarkdown,
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cover: null,
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date: '2026-07-12',
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author: 'Admin'
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},
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tags: [
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{ name: 'Welcome', id: 1 },
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{ name: 'Design', id: 2 }
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],
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series: null,
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seriesPosts: []
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};
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}
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try {
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const post = await db.prepare(
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`SELECT p.id, p.slug, p.title, p.content, p.cover, p.published_at as date,
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c.name as category_name, c.slug as category_slug,
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u.username as author,
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s.id as series_id, s.name as series_name, s.slug as series_slug,
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s.description as series_description, p.series_weight
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FROM posts p
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LEFT JOIN categories c ON p.category_id = c.id
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LEFT JOIN users u ON p.author_id = u.id
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LEFT JOIN series s ON p.series_id = s.id
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WHERE p.slug = ?`
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).bind(slug).first<PostRow>();
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if (!post) {
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error(404, 'Post not found');
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}
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const tagsQuery = await db.prepare(
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`SELECT t.name, t.id
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FROM tags t
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JOIN post_tags pt ON t.id = pt.tag_id
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WHERE pt.post_id = ?`
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).bind(post.id).all<{ name: string; id: number }>();
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const tags = tagsQuery.results || [];
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let series: {
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id: number;
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name: string;
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slug: string;
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description: string | null;
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} | null = null;
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let seriesPosts: Array<{
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id: number;
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slug: string;
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title: string;
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series_weight: number | null;
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published_at: string;
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}> = [];
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if (post.series_id && post.series_name && post.series_slug) {
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series = {
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id: post.series_id,
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name: post.series_name,
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slug: post.series_slug,
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description: post.series_description
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};
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const seriesQuery = await db.prepare(
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`SELECT id, slug, title, series_weight, published_at
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FROM posts
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WHERE series_id = ?
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ORDER BY series_weight IS NULL, series_weight ASC, published_at ASC, id ASC`
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).bind(post.series_id).all();
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seriesPosts = seriesQuery.results as unknown as typeof seriesPosts;
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}
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return {
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post: {
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...post,
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date: new Date(post.date as string).toLocaleDateString()
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},
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tags,
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series,
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seriesPosts
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};
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} catch (err: unknown) {
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if (isHttpError(err, 404)) throw err;
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console.error('Error fetching post:', err);
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error(500, 'Internal Server Error');
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}
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};
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