refacto: Keeping entrypoints clean and making files by purpose

server/db/usersDb.js

@@ -0,0 +1,45 @@
+import { usersPool } from "./pools.js";
+
+// ── Schema ────────────────────────────────────────────────────────────────────
+
+export async function initUsersSchema() {
+  await usersPool.query(`
+    CREATE TABLE IF NOT EXISTS users (
+      id SERIAL PRIMARY KEY,
+      username TEXT NOT NULL UNIQUE,
+      email TEXT NOT NULL UNIQUE,
+      password_hash TEXT NOT NULL,
+      team TEXT NOT NULL CHECK (team IN ('blue', 'red')),
+      role TEXT NOT NULL DEFAULT 'user' CHECK (role IN ('user', 'admin')),
+      created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+    );
+  `);
+}
+
+// ── Queries ───────────────────────────────────────────────────────────────────
+
+export async function createUser(username, email, passwordHash, team) {
+  const { rows } = await usersPool.query(
+    `INSERT INTO users (username, email, password_hash, team)
+     VALUES ($1, $2, $3, $4)
+     RETURNING id, username, email, team, role`,
+    [username, email, passwordHash, team]
+  );
+  return rows[0];
+}
+
+export async function getUserByUsername(username) {
+  const { rows } = await usersPool.query(
+    `SELECT id, username, email, team, role, password_hash FROM users WHERE username = $1`,
+    [username]
+  );
+  return rows[0] ?? null;
+}
+
+export async function getUserById(id) {
+  const { rows } = await usersPool.query(
+    `SELECT id, username, email, team, role FROM users WHERE id = $1`,
+    [id]
+  );
+  return rows[0] ?? null;
+}