Update app.py

app.py

@@ -11,6 +11,26 @@ app.secret_key = 'your_super_secret_key'
 app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///database.db'
 app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
 
+import sqlite3
+from datetime import timedelta
+
+# Flask App Setup
+app = Flask(__name__)
+
+# Secret key is used to sign session data (must be kept secret in real apps!)
+app.secret_key = "supersecretkey"
+
+# Permanent sessions last for 7 days (used when "Remember Me" is checked)
+app.permanent_session_lifetime = timedelta(days=7)
+
+
+# Helper function to connect to SQLite database
+def get_db_connection():
+    # Connect to SQLite database (creates file users.db if it doesn’t exist)
+    conn = sqlite3.connect("users.db")
+    conn.row_factory = sqlite3.Row  # Makes rows behave like dictionaries
+    return conn
+    
 # Initialize SQLAlchemy
 db = SQLAlchemy(app)