00246389bc
- Introduced a new HTML documentation page for the oradio API, including a JavaScript file to handle dynamic content and API requests. - Added a CSS file for styling the documentation page. - Implemented an underground station importer script that fetches data from Radio-Browser and writes it to a JSON file. - Created a stats module to compute and manage vote and play statistics for radio stations. - Added a polyfill for modulepreload to ensure compatibility with older browsers.
60 lines
2.3 KiB
JavaScript
60 lines
2.3 KiB
JavaScript
import Database from 'better-sqlite3';
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import { readFileSync, mkdirSync } from 'node:fs';
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import { dirname, resolve } from 'node:path';
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import { fileURLToPath } from 'node:url';
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import { randomUUID } from 'node:crypto';
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const __dirname = dirname(fileURLToPath(import.meta.url));
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let db;
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export function initDb(dbPath) {
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const abs = resolve(dbPath);
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mkdirSync(dirname(abs), { recursive: true });
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db = new Database(abs);
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db.pragma('journal_mode = WAL');
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db.pragma('foreign_keys = ON');
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const schema = readFileSync(resolve(__dirname, 'schema.sql'), 'utf8');
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db.exec(schema);
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runMigrations(db);
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return db;
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}
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export function getDb() {
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if (!db) throw new Error('DB not initialized');
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return db;
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}
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// Idempotent migrations for upgrading older DBs that pre-date a column.
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function runMigrations(db) {
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const stationCols = new Set(db.prepare("PRAGMA table_info(stations)").all().map((c) => c.name));
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if (!stationCols.has('uuid')) {
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db.exec('ALTER TABLE stations ADD COLUMN uuid TEXT');
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}
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if (!stationCols.has('category')) {
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db.exec('ALTER TABLE stations ADD COLUMN category TEXT');
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}
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const streamCols = new Set(db.prepare("PRAGMA table_info(streams)").all().map((c) => c.name));
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if (!streamCols.has('uuid')) {
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db.exec('ALTER TABLE streams ADD COLUMN uuid TEXT');
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}
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// Backfill UUIDs. For RB stations, prefer the existing source_ref so the
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// public UUID matches the upstream Radio-Browser stationuuid.
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const setStationUuid = db.prepare('UPDATE stations SET uuid = ? WHERE id = ?');
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for (const row of db.prepare("SELECT id, source, source_ref FROM stations WHERE uuid IS NULL OR uuid = ''").all()) {
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const u = (row.source === 'radiobrowser' && row.source_ref) ? row.source_ref : randomUUID();
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setStationUuid.run(u, row.id);
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}
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const setStreamUuid = db.prepare('UPDATE streams SET uuid = ? WHERE id = ?');
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for (const row of db.prepare("SELECT id FROM streams WHERE uuid IS NULL OR uuid = ''").all()) {
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setStreamUuid.run(randomUUID(), row.id);
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}
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db.exec('CREATE UNIQUE INDEX IF NOT EXISTS idx_stations_uuid ON stations(uuid)');
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db.exec('CREATE UNIQUE INDEX IF NOT EXISTS idx_streams_uuid ON streams(uuid)');
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db.exec('CREATE INDEX IF NOT EXISTS idx_stations_category ON stations(category)');
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}
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