AtreidesAssetsFree/server/db/conn.mjs

// Generated, do not edit. sha256:232164f95c0eb5137f0c20ab218bdb9ffd81d26142889e12d2caf11dfbc181a3
import { DatabaseSync } from 'node:sqlite';

export const BUSY_TIMEOUT_MS = 5000;

let db = null;

export function openDatabase(pad) {
  if (db) throw new Error('A database connection is already open; close it first with closeDatabase().');
  db = new DatabaseSync(pad, { enableForeignKeyConstraints: true });
  db.exec(`PRAGMA journal_mode = WAL`);
  db.exec(`PRAGMA synchronous = NORMAL`);
  db.exec(`PRAGMA busy_timeout = ${BUSY_TIMEOUT_MS}`);
  return db;
}

export function database() { return db; }

export function withOtherDatabase(pad, fn) {
  const vorige = db;
  db = null;
  try {
    openDatabase(pad);
    const uit = fn();
    if (uit && typeof uit.then === 'function') throw new Error('withOtherDatabase: fn must be synchronous.');
    return uit;
  } finally {
    closeDatabase();
    db = vorige;
  }
}

export function peekDatabase(pad, fn) {
  const peek = new DatabaseSync(pad, { readOnly: true });
  const all = (sql, params = []) => peek.prepare(sql).all(...bind(params)).map(rij => ({ ...rij }));
  try {
    return fn({ all, one: (sql, params = []) => all(sql, params)[0] ?? null });
  } finally {
    peek.close();
  }
}

export function closeDatabase() {
  if (!db) return;
  db.close();
  db = null;
}

export function pragmaStand() {
  const lees = (naam, veld) => database().prepare(`PRAGMA ${naam}`).get()[veld];
  return {
    foreignKeys: lees('foreign_keys', 'foreign_keys') === 1,
    journalMode: lees('journal_mode', 'journal_mode'),
    synchronous: lees('synchronous', 'synchronous'),
    busyTimeout: lees('busy_timeout', 'timeout'),
  };
}

const bind = params => params.map(v => {
  if (v === undefined) return null;
  if (typeof v === 'boolean') return v ? 1n : 0n;
  if (typeof v === 'number' && Number.isInteger(v)) return BigInt(v);
  return v;
});

export function run(sql, params) {
  if (params === undefined) db.exec(sql);
  else db.prepare(sql).run(...bind(params));
}

export function all(sql, params = []) {
  return db.prepare(sql).all(...bind(params)).map(rij => ({ ...rij }));
}

export function one(sql, params = []) {
  const rijen = all(sql, params);
  return rijen.length ? rijen[0] : null;
}

export function lastId() {
  const r = one(`SELECT last_insert_rowid() AS id`);
  return r ? r.id : null;
}