Genesis

src/db.js

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+import sql from 'mssql';
+import 'dotenv/config';
+
+const config = {
+  server: process.env.MSSQL_SERVER || 'localhost',
+  port: Number(process.env.MSSQL_PORT) || 1433,
+  database: process.env.MSSQL_DATABASE || 'eazybusiness',
+  user: process.env.MSSQL_USER,
+  password: process.env.MSSQL_PASSWORD,
+  options: {
+    encrypt: process.env.MSSQL_ENCRYPT !== 'false',
+    trustServerCertificate: process.env.MSSQL_TRUST_SERVER_CERTIFICATE !== 'false',
+  },
+};
+
+/** @type {sql.ConnectionPool | null} */
+let pool = null;
+
+export function getPool() {
+  if (!pool) {
+    throw new Error('MSSQL pool is not connected. Call connectDb() first.');
+  }
+  return pool;
+}
+
+export async function connectDb() {
+  if (pool) {
+    return pool;
+  }
+
+  if (!config.user) {
+    throw new Error('MSSQL_USER is not set in environment');
+  }
+
+  pool = await sql.connect(config);
+  return pool;
+}
+
+export async function closeDb() {
+  if (pool) {
+    await pool.close();
+    pool = null;
+  }
+}
+
+export async function pingDb() {
+  const result = await getPool().request().query('SELECT 1 AS ok');
+  return result.recordset[0]?.ok === 1;
+}