fix backend bug again

server/index.js

@@ -25,6 +25,52 @@ const connectDB = async () => {
       pool = mysql.createPool(dbConfig);
       await pool.query('SELECT 1');
       console.log('Connected to MariaDB');
+      
+      // Automatically initialize tables if they don't exist
+      await pool.query(`
+        CREATE TABLE IF NOT EXISTS users (
+          id VARCHAR(50) PRIMARY KEY,
+          height FLOAT NOT NULL,
+          weight FLOAT NOT NULL,
+          age INT NOT NULL,
+          gender VARCHAR(10) NOT NULL,
+          activityLevel VARCHAR(20) NOT NULL,
+          goal VARCHAR(20) NOT NULL,
+          bmi FLOAT NOT NULL,
+          tdee INT NOT NULL,
+          targetCalories INT NOT NULL,
+          targetProtein INT NOT NULL,
+          targetFat INT NOT NULL,
+          targetCarbs INT NOT NULL,
+          targetWater INT NOT NULL
+        )
+      `);
+      await pool.query(`
+        CREATE TABLE IF NOT EXISTS daily_logs (
+          date DATE NOT NULL,
+          user_id VARCHAR(50) NOT NULL,
+          waterIntake INT DEFAULT 0,
+          weight FLOAT DEFAULT NULL,
+          PRIMARY KEY (date, user_id),
+          FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
+        )
+      `);
+      await pool.query(`
+        CREATE TABLE IF NOT EXISTS meals (
+          id VARCHAR(50) PRIMARY KEY,
+          user_id VARCHAR(50) NOT NULL,
+          date DATE NOT NULL,
+          name VARCHAR(100) NOT NULL,
+          time VARCHAR(10) NOT NULL,
+          calories INT NOT NULL,
+          protein INT DEFAULT 0,
+          fat INT DEFAULT 0,
+          carbs INT DEFAULT 0,
+          FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
+        )
+      `);
+      console.log('Database tables verified/created');
+      
       break;
     } catch (err) {
       console.error('Failed to connect to MariaDB, retrying...', err);

test-get-profile.cjs

@@ -0,0 +1,15 @@
+const http = require('http');
+
+const req = http.request({
+  hostname: 'localhost',
+  port: 3131,
+  path: '/api/profile/default_user',
+  method: 'GET'
+}, (res) => {
+  let body = '';
+  res.on('data', chunk => body += chunk);
+  res.on('end', () => console.log('Response:', res.statusCode, body));
+});
+
+req.on('error', e => console.error('Error:', e));
+req.end();

test-len.js

@@ -0,0 +1,10 @@
+const errs = [
+  "Table 'nutrition.users' doesn't exist",
+  "connect ECONNREFUSED 172.18.0.2:3306",
+  "connect ECONNREFUSED db:3306",
+  "Unknown database 'nutrition'"
+];
+errs.forEach(e => {
+  const json = JSON.stringify({ error: e });
+  console.log(Buffer.byteLength(json), json);
+});