Update server/src/db.js

server/src/db.js

@@ -19,52 +19,58 @@ export async function query(q, params) {
   }
 }
 
-// init DB from schema + seed
+// Initialize DB (schema + seed)
 export async function init() {
   const __filename = fileURLToPath(import.meta.url);
   const __dirname = path.dirname(__filename);
+
   const schema = fs.readFileSync(path.join(__dirname, 'schema.sql'), 'utf8');
   await query(schema);
+
   const seed = fs.readFileSync(path.join(__dirname, 'seed.sql'), 'utf8');
   await query(seed);
-  console.log('DB initialized.');
+
+  console.log('DB initialized (characters + items + inventory).');
 }
 
-// Models (simple)
-
-export const Users = {
+/**
+ * Characters model
+ * - username + passhash live here
+ * - bcrypt provides salt + cost factor per hash
+ */
+export const Characters = {
+  // create a new character with username + password
   async create(username, password) {
-    const passhash = await bcrypt.hash(password, 10);
+    // bcrypt automatically generates a unique salt for each hash.
+    // You can bump the rounds (12, 14, etc.) if you want more work factor.
+    const saltRounds = 12;
+    const passhash = await bcrypt.hash(password, saltRounds);
+
     const { rows } = await query(
-      'INSERT INTO users (username, passhash) VALUES ($1,$2) RETURNING id, username',
+      'INSERT INTO characters (username, passhash) VALUES ($1,$2) RETURNING id, username, x, y, level, xp',
       [username, passhash]
     );
-    // create character with same name
-    await query(
-      'INSERT INTO characters (user_id, name) VALUES ($1,$2)',
-      [rows[0].id, username]
-    );
     return rows[0];
   },
+
+  // verify username/password; return character row or null
   async verify(username, password) {
     const { rows } = await query(
-      'SELECT * FROM users WHERE username=$1',
+      'SELECT * FROM characters WHERE username=$1',
       [username]
     );
-    if (!rows[0]) return null;
-    const ok = await bcrypt.compare(password, rows[0].passhash);
-    return ok ? rows[0] : null;
-  }
-};
+    const char = rows[0];
+    if (!char) return null;
 
-export const Characters = {
-  async getByUserId(userId) {
-    const { rows } = await query(
-      'SELECT * FROM characters WHERE user_id=$1 LIMIT 1',
-      [userId]
-    );
+    const ok = await bcrypt.compare(password, char.passhash);
+    return ok ? char : null;
+  },
+
+  async getById(id) {
+    const { rows } = await query('SELECT * FROM characters WHERE id=$1', [id]);
     return rows[0] || null;
   },
+
   async addXP(id, amount) {
     await query('UPDATE characters SET xp = xp + $1 WHERE id=$2', [amount, id]);
   }
@@ -78,19 +84,19 @@ export const Inventory = {
     );
     return rows;
   },
+
   async add(characterId, itemKey, qty) {
-    // upsert
-    const text = `
+    const sql = `
       INSERT INTO inventory (character_id, item_key, qty)
       VALUES ($1,$2,$3)
       ON CONFLICT (character_id, item_key)
       DO UPDATE SET qty = inventory.qty + EXCLUDED.qty
     `;
-    await query(text, [characterId, itemKey, qty]);
+    await query(sql, [characterId, itemKey, qty]);
   }
 };
 
-// allow manual init: node src/db.js init
+// allow: node src/db.js init
 if (process.argv[2] === 'init') {
   init()
     .then(() => process.exit(0))