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st committed 2026-07-08 13:12:53 -05:00
commit 0e1ce93def
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db/init.js
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// Creates tachyon.db (if it doesn't exist) and applies schema.sql.
// Safe to re-run: every statement uses CREATE TABLE IF NOT EXISTS.
import Database from 'better-sqlite3';
import { readFileSync } from 'node:fs';
import { fileURLToPath } from 'node:url';
import path from 'node:path';
const __dirname = path.dirname(fileURLToPath(import.meta.url));
const dbPath = path.join(__dirname, 'tachyon.db');
const schemaPath = path.join(__dirname, 'schema.sql');
const db = new Database(dbPath);
db.pragma('journal_mode = WAL');
const schema = readFileSync(schemaPath, 'utf8');
db.exec(schema);
console.log(`Initialized database at ${dbPath}`);
db.close();
db/schema.sql
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-- TACHYON site schema
-- SQLite. Timestamps stored as ISO-8601 strings (TEXT), sorted lexically = chronologically.
CREATE TABLE IF NOT EXISTS news_posts (
id INTEGER PRIMARY KEY AUTOINCREMENT,
title TEXT NOT NULL,
content TEXT NOT NULL,
created_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now'))
);
CREATE TABLE IF NOT EXISTS media_items (
id INTEGER PRIMARY KEY AUTOINCREMENT,
title TEXT NOT NULL,
media_type TEXT NOT NULL CHECK (media_type IN ('image', 'video')),
url TEXT NOT NULL,
created_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now'))
);
-- Registered/tracked users (distinct from "who is currently online" -- see sessions below)
CREATE TABLE IF NOT EXISTS users (
id INTEGER PRIMARY KEY AUTOINCREMENT,
username TEXT NOT NULL UNIQUE,
joined_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now')),
last_seen_at TEXT
);
-- One row per active session; presence of a row (or non-null ended_at) drives "current users"
CREATE TABLE IF NOT EXISTS sessions (
id INTEGER PRIMARY KEY AUTOINCREMENT,
user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
started_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now')),
ended_at TEXT
);
CREATE TABLE IF NOT EXISTS activity_log (
id INTEGER PRIMARY KEY AUTOINCREMENT,
description TEXT NOT NULL,
created_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now'))
);
-- Freeform key/value store for the "General Statistics" cards (build number, version, etc.)
CREATE TABLE IF NOT EXISTS site_stats (
key TEXT PRIMARY KEY,
value TEXT NOT NULL,
updated_at TEXT NOT NULL DEFAULT (strftime('%Y-%m-%dT%H:%M:%fZ', 'now'))
);
CREATE INDEX IF NOT EXISTS idx_news_created_at ON news_posts(created_at DESC);
CREATE INDEX IF NOT EXISTS idx_media_created_at ON media_items(created_at DESC);
CREATE INDEX IF NOT EXISTS idx_activity_created_at ON activity_log(created_at DESC);
CREATE INDEX IF NOT EXISTS idx_sessions_user ON sessions(user_id);
CREATE INDEX IF NOT EXISTS idx_sessions_active ON sessions(ended_at);
db/seed.js
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// Populates the DB with placeholder rows so the API has something to return
// immediately. Re-runnable: clears each table before inserting.
import Database from 'better-sqlite3';
import { fileURLToPath } from 'node:url';
import path from 'node:path';
const __dirname = path.dirname(fileURLToPath(import.meta.url));
const db = new Database(path.join(__dirname, 'tachyon.db'));
db.exec(`
DELETE FROM sessions;
DELETE FROM users;
DELETE FROM news_posts;
DELETE FROM media_items;
DELETE FROM activity_log;
DELETE FROM site_stats;
`);
const insertNews = db.prepare(
'INSERT INTO news_posts (title, content, created_at) VALUES (?, ?, ?)'
);
insertNews.run('Placeholder announcement title', 'Short placeholder line describing an update or change.', '2026-07-06T12:00:00.000Z');
insertNews.run('Placeholder announcement title', 'Short placeholder line describing an update or change.', '2026-07-02T12:00:00.000Z');
insertNews.run('Placeholder announcement title', 'Short placeholder line describing an update or change.', '2026-06-27T12:00:00.000Z');
const insertMedia = db.prepare(
'INSERT INTO media_items (title, media_type, url) VALUES (?, ?, ?)'
);
insertMedia.run('placeholder clip one', 'image', 'https://example.com/media/1.png');
insertMedia.run('placeholder clip two', 'image', 'https://example.com/media/2.png');
insertMedia.run('placeholder clip three', 'video', 'https://example.com/media/3.mp4');
insertMedia.run('placeholder clip four', 'image', 'https://example.com/media/4.png');
const insertUser = db.prepare(
'INSERT INTO users (username, joined_at, last_seen_at) VALUES (?, ?, ?)'
);
const u1 = insertUser.run('placeholder_user_01', '2025-01-10T00:00:00.000Z', '2026-07-08T18:00:00.000Z');
const u2 = insertUser.run('placeholder_user_02', '2025-03-22T00:00:00.000Z', '2026-07-08T17:45:00.000Z');
const u3 = insertUser.run('placeholder_user_03', '2025-05-01T00:00:00.000Z', '2026-07-08T17:30:00.000Z');
const insertSession = db.prepare(
'INSERT INTO sessions (user_id, started_at) VALUES (?, ?)'
);
// open sessions (no ended_at) = "currently online" for the Current Users column
insertSession.run(u1.lastInsertRowid, '2026-07-08T18:00:00.000Z');
insertSession.run(u2.lastInsertRowid, '2026-07-08T17:45:00.000Z');
insertSession.run(u3.lastInsertRowid, '2026-07-08T17:30:00.000Z');
const insertActivity = db.prepare(
'INSERT INTO activity_log (description, created_at) VALUES (?, ?)'
);
insertActivity.run('placeholder event one', '2026-07-08T17:00:00.000Z');
insertActivity.run('placeholder event two', '2026-07-08T15:00:00.000Z');
insertActivity.run('placeholder event three', '2026-07-08T13:00:00.000Z');
insertActivity.run('placeholder event four', '2026-07-08T09:00:00.000Z');
const upsertStat = db.prepare(
'INSERT INTO site_stats (key, value) VALUES (?, ?) ON CONFLICT(key) DO UPDATE SET value = excluded.value, updated_at = strftime(\'%Y-%m-%dT%H:%M:%fZ\', \'now\')'
);
upsertStat.run('build_pipeline', 'Completed');
upsertStat.run('build_number', '00000000');
upsertStat.run('version', '0.0.0');
upsertStat.run('reports_named', '00');
upsertStat.run('reports_associated', '00');
upsertStat.run('reports_logged', '00');
console.log('Seeded placeholder data.');
db.close();