Files
fiddle/db.js
root e41c3e7dc4 Add browse dashboard, tags, visibility control, export, QR sharing, and embed mode
- Browse dashboard at / with search, framework filter, tag pills, and pagination
- Tags system with autocomplete datalist and per-fiddle tag management
- Listed/unlisted toggle for visibility control (unlisted still accessible via direct URL)
- Export standalone HTML with inlined CSS/JS and framework CDN tags
- QR code modal for sharing fiddle URLs
- Embed mode at /embed/:id for minimal preview-only rendering
- Extract shared loadScript() utility from 4 files into utils.js
- Database schema: listed column, tags and fiddle_tags tables with index
2026-02-26 14:19:52 -06:00

101 lines
3.2 KiB
JavaScript

import Database from 'better-sqlite3';
import { mkdirSync } from 'fs';
mkdirSync('data', { recursive: true });
const db = new Database('data/fiddles.db');
db.pragma('journal_mode = WAL');
db.pragma('foreign_keys = ON');
db.exec(`
CREATE TABLE IF NOT EXISTS fiddles (
id TEXT PRIMARY KEY,
title TEXT NOT NULL DEFAULT 'Untitled',
html TEXT NOT NULL DEFAULT '',
css TEXT NOT NULL DEFAULT '',
css_type TEXT NOT NULL DEFAULT 'css',
js TEXT NOT NULL DEFAULT '',
js_type TEXT NOT NULL DEFAULT 'javascript',
created_at TEXT NOT NULL DEFAULT (datetime('now')),
updated_at TEXT NOT NULL DEFAULT (datetime('now'))
)
`);
// Migration: add js_type column for existing databases
try {
db.exec(`ALTER TABLE fiddles ADD COLUMN js_type TEXT NOT NULL DEFAULT 'javascript'`);
} catch (_) { /* column already exists */ }
// Migration: add listed column
try {
db.exec(`ALTER TABLE fiddles ADD COLUMN listed INTEGER NOT NULL DEFAULT 1`);
} catch (_) { /* column already exists */ }
// Tags tables
db.exec(`
CREATE TABLE IF NOT EXISTS tags (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL UNIQUE COLLATE NOCASE
)
`);
db.exec(`
CREATE TABLE IF NOT EXISTS fiddle_tags (
fiddle_id TEXT NOT NULL REFERENCES fiddles(id) ON DELETE CASCADE,
tag_id INTEGER NOT NULL REFERENCES tags(id) ON DELETE CASCADE,
PRIMARY KEY (fiddle_id, tag_id)
)
`);
db.exec(`CREATE INDEX IF NOT EXISTS idx_fiddles_listed_updated ON fiddles(listed, updated_at DESC)`);
export const stmts = {
insert: db.prepare(`
INSERT INTO fiddles (id, title, html, css, css_type, js, js_type, listed)
VALUES (@id, @title, @html, @css, @css_type, @js, @js_type, @listed)
`),
get: db.prepare('SELECT * FROM fiddles WHERE id = ?'),
update: db.prepare(`
UPDATE fiddles SET title = @title, html = @html, css = @css,
css_type = @css_type, js = @js, js_type = @js_type, listed = @listed,
updated_at = datetime('now')
WHERE id = @id
`),
list: db.prepare('SELECT id, title, css_type, js_type, created_at, updated_at FROM fiddles ORDER BY updated_at DESC LIMIT 50'),
// Tags
getTagsForFiddle: db.prepare(`
SELECT t.id, t.name FROM tags t
JOIN fiddle_tags ft ON ft.tag_id = t.id
WHERE ft.fiddle_id = ?
`),
insertTag: db.prepare('INSERT OR IGNORE INTO tags (name) VALUES (?)'),
getTagByName: db.prepare('SELECT id, name FROM tags WHERE name = ? COLLATE NOCASE'),
insertFiddleTag: db.prepare('INSERT OR IGNORE INTO fiddle_tags (fiddle_id, tag_id) VALUES (?, ?)'),
deleteFiddleTags: db.prepare('DELETE FROM fiddle_tags WHERE fiddle_id = ?'),
listTags: db.prepare(`
SELECT t.id, t.name, COUNT(ft.fiddle_id) as count
FROM tags t
LEFT JOIN fiddle_tags ft ON ft.tag_id = t.id
GROUP BY t.id
HAVING count > 0
ORDER BY count DESC
`),
};
/**
* Upsert tags for a fiddle. Accepts an array of tag name strings.
*/
export function setFiddleTags(fiddleId, tagNames) {
stmts.deleteFiddleTags.run(fiddleId);
for (const name of tagNames) {
const trimmed = name.trim();
if (!trimmed) continue;
stmts.insertTag.run(trimmed);
const tag = stmts.getTagByName.get(trimmed);
if (tag) stmts.insertFiddleTag.run(fiddleId, tag.id);
}
}
export default db;