fixed a bit

lib/db.js

@@ -1,69 +1,52 @@
-// lib/db.js
-let sqlite3;
+import sqlite3 from "sqlite3";
 
-// Only import sqlite3 on server-side
-if (typeof window === 'undefined') {
-    sqlite3 = require('sqlite3').verbose();
-}
+let db = null;
 
-// Initialize the database connection
-function getDb() {
-    if (!sqlite3) {
-        console.error('Cannot access SQLite on the client side');
-        return null;
-    }
-
-    return new sqlite3.Database('./sqlite.db', (err) => {
-        if (err) {
-            console.error('Error opening database:', err.message);
-        } else {
-            console.log('Connected to the SQLite database.');
-        }
+export function getDb() {
+  if (!db) {
+    db = new sqlite3.Database("./database.sqlite", (err) => {
+      if (err) {
+        console.error("Error connecting to database:", err);
+      } else {
+        console.log("Connected to the SQLite database.");
+      }
     });
+  }
+  return db;
 }
 
-// Helper function to run queries with results
-async function query(sql, params = []) {
-    if (typeof window !== 'undefined') {
-        throw new Error('Database queries cannot be executed on the client side');
-    }
-
-    const db = getDb();
-    return new Promise((resolve, reject) => {
-        db.all(sql, params, (err, rows) => {
-            if (err) {
-                reject(err);
-            } else {
-                resolve(rows);
-            }
-            db.close(); // Close the database connection
-        });
+export function queryOne(sql, params = []) {
+  return new Promise((resolve, reject) => {
+    getDb().get(sql, params, (err, row) => {
+      if (err) {
+        reject(err);
+      } else {
+        resolve(row);
+      }
     });
+  });
 }
 
-// Helper for single row queries
-async function queryOne(sql, params = []) {
-    const rows = await query(sql, params);
-    return rows && rows.length > 0 ? rows[0] : null;
-}
-
-// Helper for insert/update/delete operations
-async function run(sql, params = []) {
-    if (typeof window !== 'undefined') {
-        throw new Error('Database operations cannot be executed on the client side');
-    }
-
-    const db = getDb();
-    return new Promise((resolve, reject) => {
-        db.run(sql, params, function(err) {
-            if (err) {
-                reject(err);
-            } else {
-                resolve({ lastID: this.lastID, changes: this.changes });
-            }
-            db.close(); // Close the database connection
-        });
+export function query(sql, params = []) {
+  return new Promise((resolve, reject) => {
+    getDb().all(sql, params, (err, rows) => {
+      if (err) {
+        reject(err);
+      } else {
+        resolve(rows);
+      }
     });
+  });
 }
 
-module.exports = { query, queryOne, run };
+export function run(sql, params = []) {
+  return new Promise((resolve, reject) => {
+    getDb().run(sql, params, function (err) {
+      if (err) {
+        reject(err);
+      } else {
+        resolve({ lastID: this.lastID, changes: this.changes });
+      }
+    });
+  });
+}