Update app.py

app.py

@@ -1,6 +1,5 @@
 import gradio as gr
 import pandas as pd
-import json
 
 # Function to load the menu data
 def load_menu():
@@ -33,28 +32,12 @@ def filter_menu(preference):
             </div>
             <div style=\"flex-shrink: 0; text-align: center;\">
                 <img src=\"{item['Image URL']}\" alt=\"{item['Dish Name']}\" style=\"width: 100px; height: 100px; border-radius: 8px; object-fit: cover; margin-bottom: 10px;\">
-                <button style=\"background-color: #28a745; color: white; border: none; padding: 8px 15px; font-size: 14px; border-radius: 5px; cursor: pointer;" onclick=\"openModal('{item['Dish Name']}', '{item['Price ($)']}', '{item['Description']}', '{item['Image URL']}')\">Add</button>
+                <button style=\"background-color: #28a745; color: white; border: none; padding: 8px 15px; font-size: 14px; border-radius: 5px; cursor: pointer;\" onclick=\"openModal('{item['Dish Name']}', '{item['Image URL']}', '{item['Description']}', '{item['Price ($)']}')\">Add</button>
             </div>
         </div>
         """
     return html_content
 
-# Function to finalize the order and display the final page
-def finalize_order(cart_json):
-    cart = json.loads(cart_json)
-    if not cart:
-        return "<p style='color: red; font-size: 18px;'>Your cart is empty. Please add items before finalizing.</p>"
-
-    total_bill = 0
-    final_order_html = "<h3>Your Final Order:</h3><ul>"
-    for item in cart:
-        total_bill += item['itemTotal']
-        extras = ', '.join(item['extras']) if item['extras'] else 'None'
-        final_order_html += f"<li>{item['name']} (x{item['quantity']}, Spice: {item['spiceLevel']}, Extras: {extras}, Instructions: {item['instructions']}) - ${item['itemTotal']:.2f}</li>"
-    final_order_html += f"</ul><p><strong>Total Bill: ${total_bill:.2f}</strong></p>"
-    final_order_html += "<p style='color: green; font-size: 18px;'>Your final order has been placed. Thank you!</p>"
-    return final_order_html
-
 # JavaScript for modal and cart behavior
 modal_and_cart_js = """
 <script>
@@ -68,12 +51,18 @@ modal_and_cart_js = """
         "Extra Onion & Lemon": 2,
         "Extra Fried Onion 4oz": 2
     };
-    function openModal(name, price, description, image) {
+    let finalized = false;
+    function openModal(name, image, description, price) {
+        if (finalized) {
+            alert("You cannot add more items after finalizing your order.");
+            return;
+        }
         document.getElementById('modal').style.display = 'block';
+        document.body.style.overflow = 'hidden'; // Disable scrolling
+        document.getElementById('modal-image').src = image;
         document.getElementById('modal-name').innerText = name;
-        document.getElementById('modal-price').innerText = price;
         document.getElementById('modal-description').innerText = description;
-        document.getElementById('modal-image').src = image;
+        document.getElementById('modal-price').innerText = price;
 
         const spiceLevelInputs = document.querySelectorAll('input[name="spice-level"]');
         spiceLevelInputs.forEach(input => input.checked = false);
@@ -84,8 +73,13 @@ modal_and_cart_js = """
     }
     function closeModal() {
         document.getElementById('modal').style.display = 'none';
+        document.body.style.overflow = ''; // Re-enable scrolling
     }
     function addToCart() {
+        if (finalized) {
+            alert("You cannot add more items after finalizing your order.");
+            return;
+        }
         const name = document.getElementById('modal-name').innerText;
         const price = parseFloat(document.getElementById('modal-price').innerText.replace('$', ''));
         const spiceLevel = document.querySelector('input[name="spice-level"]:checked')?.value || "Not Selected";
@@ -96,24 +90,9 @@ modal_and_cart_js = """
         const itemTotal = (price + extrasCost) * quantity;
         const cartItem = { name, price, spiceLevel, quantity, instructions, extras, itemTotal };
         cart.push(cartItem);
-        updateCartDisplay();
+        alert(`${name} added to cart!`);
         closeModal();
     }
-    function updateCartDisplay() {
-        let totalBill = 0;
-        let cartHTML = "<h3>Your Cart:</h3><ul>";
-        cart.forEach((item, index) => {
-            totalBill += item.itemTotal;
-            const extras = item.extras.join(', ');
-            cartHTML += `<li>${item.name} (x${item.quantity}, Spice: ${item.spiceLevel}, Extras: ${extras}, Instructions: ${item.instructions}) - $${item.itemTotal.toFixed(2)}</li>`;
-        });
-        cartHTML += `</ul><p><strong>Total Bill: $${totalBill.toFixed(2)}</strong></p>`;
-        document.getElementById('floating-cart').innerHTML = cartHTML;
-        document.getElementById('cart-data').value = JSON.stringify(cart);
-    }
-    function finalizeCart() {
-        document.getElementById('cart-data').value = JSON.stringify(cart);
-    }
 </script>
 """
 
@@ -122,26 +101,16 @@ def app():
     with gr.Blocks() as demo:
         gr.Markdown("## Dynamic Menu with Preferences")
 
-        # Radio button for selecting preference
         selected_preference = gr.Radio(
             choices=["All", "Vegetarian", "Halal/Non-Veg", "Guilt-Free"],
             value="All",
             label="Choose a Preference",
         )
 
-        # Output area for menu items
         menu_output = gr.HTML(value=filter_menu("All"))
 
-        # Floating cart display
         cart_output = gr.HTML(value="Your cart is empty.", elem_id="floating-cart")
 
-        # Hidden input to store cart data
-        cart_data = gr.Textbox(visible=False, elem_id="cart-data")
-
-        # Final order display
-        final_order_output = gr.HTML(value="", elem_id="final-page")
-
-        # Modal window for item customization
         modal_window = gr.HTML("""
         <div id="modal" style="display: none; position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 50%; background: white; border-radius: 8px; box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); padding: 20px; z-index: 1000;">
             <div style="text-align: right;">
@@ -183,22 +152,17 @@ def app():
         </div>
         """)
 
-        # Finalize Order Button
         finalize_button = gr.Button("Finalize Order")
 
-        # Finalize order button click event
-        finalize_button.click(finalize_order, inputs=[cart_data], outputs=[final_order_output])
+        finalize_button.click(lambda: "Order finalized!", outputs=[])
 
-        # Update menu dynamically based on preference
         selected_preference.change(filter_menu, inputs=[selected_preference], outputs=[menu_output])
 
-        # Layout
         gr.Row([selected_preference])
         gr.Row(menu_output)
         gr.Row(cart_output)
         gr.Row(modal_window)
         gr.Row(finalize_button)
-        gr.Row(final_order_output)
         gr.HTML(modal_and_cart_js)
 
     return demo