initial commit of the paytime session frontend

discord_verificiation/playtime-frontend/lib/db.ts

@@ -0,0 +1,28 @@
+import mysql from 'mysql2/promise';
+
+// A single pooled connection reused across all API routes. mysql2's pool
+// handles reconnects/idle connections itself — no need to manually manage
+// connect/disconnect per request.
+let pool: mysql.Pool | null = null;
+
+export function getPool(): mysql.Pool {
+  if (!pool) {
+    pool = mysql.createPool({
+      host: process.env.DB_HOST,
+      port: Number(process.env.DB_PORT ?? 3306),
+      user: process.env.DB_USER,
+      password: process.env.DB_PASSWORD,
+      database: process.env.DB_NAME ?? 'unloze_playtimestats',
+      waitForConnections: true,
+      connectionLimit: 10,
+      queueLimit: 0,
+      dateStrings: true, // return DATETIME columns as 'YYYY-MM-DD HH:MM:SS' strings, not JS Date objects with TZ surprises
+    });
+  }
+  return pool;
+}
+
+export async function query<T = any>(sql: string, params: any[] = []): Promise<T[]> {
+  const [rows] = await getPool().query(sql, params);
+  return rows as T[];
+}