Update app.py

app.py

@@ -7,7 +7,6 @@ def load_menu(file_path="menu.xlsx"):
     Load menu data from an Excel file dynamically based on column headers.
     """
     menu_df = pd.read_excel(file_path)
-    
     # Automatically detect column names
     columns = menu_df.columns.str.strip()  # Trim column names to avoid issues with spaces
     name_column = [col for col in columns if "name" in col.lower()][0]
@@ -25,9 +24,8 @@ def load_menu(file_path="menu.xlsx"):
         })
     return menu
 
-# Initialize the menu
+# Initialize the menu and cart
 menu_data = load_menu()
-
 cart = []
 
 def display_menu():
@@ -60,13 +58,7 @@ def add_to_cart(food_item, quantity):
                 "price": item["price"] * quantity
             })
             break
-    cart_summary = "<ul>"
-    total_price = 0
-    for item in cart:
-        cart_summary += f"<li>{item['item']} (x{item['quantity']}) - ${item['price']}</li>"
-        total_price += item["price"]
-    cart_summary += f"</ul><h4>Total Price: ${total_price}</h4>"
-    return f"{food_item} added to cart!\n\n{cart_summary}"
+    return f"{food_item} added to cart!"
 
 def view_cart():
     """
@@ -83,21 +75,27 @@ def view_cart():
     cart_summary += f"</ul><h4>Total Price: ${total_price}</h4>"
     return cart_summary
 
+# Gradio Interface with Pages
+def menu_page():
+    return gr.update(value=display_menu(), visible=True), gr.update(visible=False)
+
+def cart_page():
+    return gr.update(visible=False), gr.update(value=view_cart(), visible=True)
+
 with gr.Blocks() as demo:
     gr.Markdown("# Dynamic Food Menu")
     
-    # Display menu
-    menu_display = gr.HTML(value=display_menu())
+    # Menu and Cart Views
+    menu_display = gr.HTML(visible=True)
+    cart_display = gr.HTML(visible=False)
     
-    # Cart interactions
+    # Navigation Buttons
     with gr.Row():
-        food_item_input = gr.Textbox(label="Food Item", placeholder="Enter item name")
-        quantity_input = gr.Number(label="Quantity", value=1, precision=0)
-        add_button = gr.Button("Add to Cart")
-        cart_button = gr.Button("View Cart")
-        cart_output = gr.HTML()
+        menu_button = gr.Button("Menu")
+        cart_button = gr.Button("Cart")
     
-    add_button.click(add_to_cart, inputs=[food_item_input, quantity_input], outputs=cart_output)
-    cart_button.click(view_cart, outputs=cart_output)
+    # Event Handling for Navigation
+    menu_button.click(menu_page, outputs=[menu_display, cart_display])
+    cart_button.click(cart_page, outputs=[menu_display, cart_display])
 
 demo.launch()