update template for backend

backend/template/template-backend/database_config.js

@@ -0,0 +1,33 @@
+import sqlite3 from 'sqlite3';
+import { open } from 'sqlite';
+import { logger } from './logger';
+import path from 'path';
+import fs from 'fs';
+
+const dbPath = path.join(__dirname, '../database.sqlite');
+
+export const initializeDatabase = async () => {
+  try {
+    // Ensure directory exists
+    const dbDir = path.dirname(dbPath);
+    logger.info(dbDir);
+    if (!fs.existsSync(dbDir)) {
+      fs.mkdirSync(dbDir, { recursive: true });
+    }
+
+    // Open the database
+    const db = await open({
+      filename: dbPath,
+      driver: sqlite3.Database,
+    });
+
+    // Enable foreign keys
+    await db.exec('PRAGMA foreign_keys = ON');
+
+    logger.info('Database initialized successfully');
+    return db;
+  } catch (error) {
+    logger.error('Database initialization failed', error);
+    throw error;
+  }
+};

backend/template/template-backend/index.js

@@ -0,0 +1,11 @@
+import express from 'express';
+const app = express();
+const port = 3000;
+
+app.get('/', (req, res) => {
+  res.send('Hello World!');
+});
+
+app.listen(port, () => {
+  console.log(`Example app listening on port ${port}`);
+});

backend/template/template-backend/logger.js

@@ -0,0 +1,22 @@
+// /**
+//  * Simple logger utility for application logging
+//  */
+// export const logger = {
+//   info: (message: string) => {
+//     console.log(`[INFO] ${new Date().toISOString()}: ${message}`);
+//   },
+//   error: (message: string, error?: any) => {
+//     console.error(`[ERROR] ${new Date().toISOString()}: ${message}`);
+//     if (error) {
+//       console.error(error);
+//     }
+//   },
+//   warn: (message: string) => {
+//     console.warn(`[WARN] ${new Date().toISOString()}: ${message}`);
+//   },
+//   debug: (message: string) => {
+//     if (process.env.NODE_ENV !== 'production') {
+//       console.debug(`[DEBUG] ${new Date().toISOString()}: ${message}`);
+//     }
+//   },
+// };