Update app.py

app.py

@@ -1,6 +1,26 @@
 import gradio as gr
 import pandas as pd
 from bcrypt import hashpw, gensalt, checkpw
+from database_handler import check_credentials, save_user
+
+# Authentication and Navigation Logic
+def authenticate_user(email, password):
+    if check_credentials(email, password):
+        return gr.update(visible=False), gr.update(visible=True), ""
+    else:
+        return gr.update(visible=True), gr.update(visible=False), "Invalid email or password. Try again."
+
+def navigate_to_signup():
+    return gr.update(visible=False), gr.update(visible=True)
+
+def create_account(name, phone, email, password):
+    if save_user(name, phone, email, password):
+        return "Account created successfully! You can now log in.", gr.update(visible=True), gr.update(visible=False)
+    else:
+        return "Email already exists. Try logging in.", gr.update(visible=False), gr.update(visible=True)
+
+def navigate_to_login():
+    return gr.update(visible=True), gr.update(visible=False)
 
 
 # Function to load the menu data