Update app.py

app.py

@@ -1,20 +1,6 @@
 import gradio as gr
 import pandas as pd
 
-# Initialize cart globally
-cart_items = []
-
-# Pricing for extras
-EXTRAS_PRICES = {
-    "Extra Raitha 4oz": 1,
-    "Extra Raitha 8oz": 2,
-    "Extra Salan 4oz": 1,
-    "Extra Salan 8oz": 2,
-    "Extra Onion": 1,
-    "Extra Onion & Lemon": 2,
-    "Extra Fried Onion 4oz": 2,
-}
-
 # Function to load the menu data
 def load_menu():
     menu_file = "menu.xlsx"  # Ensure this file exists in the same directory
@@ -23,78 +9,101 @@ def load_menu():
     except Exception as e:
         raise ValueError(f"Error loading menu file: {e}")
 
-# Function to filter menu items based on preference
-def filter_menu(preference):
-    menu_data = load_menu()
-    if preference == "Halal/Non-Veg":
-        filtered_data = menu_data[menu_data["Ingredients"].str.contains("Chicken|Mutton|Fish|Prawns|Goat", case=False, na=False)]
-    elif preference == "Vegetarian":
-        filtered_data = menu_data[~menu_data["Ingredients"].str.contains("Chicken|Mutton|Fish|Prawns|Goat", case=False, na=False)]
-    elif preference == "Guilt-Free":
-        filtered_data = menu_data[menu_data["Description"].str.contains(r"Fat: ([0-9]|10)g", case=False, na=False)]
-    else:
-        filtered_data = menu_data
-
-    html_content = ""
-    for _, item in filtered_data.iterrows():
-        html_content += f"""
-        <div style=\"display: flex; align-items: center; border: 1px solid #ddd; border-radius: 8px; padding: 15px; margin-bottom: 10px; box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1);\">
-            <div style=\"flex: 1; margin-right: 15px;\">
-                <h3 style=\"margin: 0; font-size: 18px;\">{item['Dish Name']}</h3>
-                <p style=\"margin: 5px 0; font-size: 16px; color: #888;\">${item['Price ($)']}</p>
-                <p style=\"margin: 5px 0; font-size: 14px; color: #555;\">{item['Description']}</p>
-            </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=\"addToCart('{item['Dish Name']}', '{item['Price ($)']}', '{item['Description']}', '{item['Image URL']}')\">Add</button>
-            </div>
-        </div>
-        """
-    return html_content
-
-# Function to update the cart display
-def update_cart_display():
-    global cart_items
-
-    if len(cart_items) == 0:
-        return "Your cart is empty."
-
-    cart_html = "<h3>Your Cart:</h3><ul style='list-style-type: none; padding: 0;'>"
-    for item in cart_items:
-        extras = ", ".join(item.get("extras", []))
-        cart_html += f"<li style='margin-bottom: 20px;'>"
-        cart_html += f"<strong>Item:</strong> {item['name']} - ${item['price']:.2f}<br>"
-        cart_html += f"<strong>Spice Level:</strong> {item['spiceLevel']}<br>"
-        cart_html += f"<strong>Extras:</strong> {extras}<br>"
-        cart_html += f"<strong>Instructions:</strong> {item['instructions']}<br>"
-        cart_html += f"<strong>Quantity:</strong> {item['quantity']}<br>"
-        cart_html += "</li>"
-    cart_html += "</ul>"
-
-    total_bill = sum(item['price'] for item in cart_items)
-    cart_html += f"<p><strong>Total Bill: ${total_bill:.2f}</strong></p>"
-
-    return cart_html
-
-# Function to finalize the order
-def finalize_order():
-    global cart_items
-
-    if len(cart_items) == 0:
-        return "Your order is empty."
-
-    order_summary = "<h3>Final Order:</h3><ul>"
-    for item in cart_items:
-        order_summary += f"<li>{item['name']} - ${item['price']:.2f}</li>"
-    order_summary += "</ul>"
-
-    total_bill = sum(item['price'] for item in cart_items)
-    order_summary += f"<p><strong>Total Bill: ${total_bill:.2f}</strong></p>"
-
-    # Lock the cart after finalizing
-    cart_items = []
-
-    return order_summary
+# JavaScript for modal and cart behavior
+modal_and_cart_js = """
+<script>
+    let cart = [];
+    const extrasPrices = {
+        "Extra Raitha 4oz": 1,
+        "Extra Raitha 8oz": 2,
+        "Extra Salan 4oz": 1,
+        "Extra Salan 8oz": 2,
+        "Extra Onion": 1,
+        "Extra Onion & Lemon": 2,
+        "Extra Fried Onion 4oz": 2
+    };
+    let finalized = false;
+
+    function openModal(name, image, description, price) {
+        if (finalized) {
+            alert("You cannot add more items after finalizing your order.");
+            return;
+        }
+        document.getElementById('modal').style.display = 'block';
+        document.getElementById('modal-image').src = image;
+        document.getElementById('modal-name').innerText = name;
+        document.getElementById('modal-description').innerText = description;
+        document.getElementById('modal-price').innerText = price;
+
+        // Reset spice levels and extras
+        const spiceLevelInputs = document.querySelectorAll('input[name="spice-level"]');
+        spiceLevelInputs.forEach(input => input.checked = false);
+        const extrasInputs = document.querySelectorAll('input[name="biryani-extra"]');
+        extrasInputs.forEach(input => input.checked = false);
+        document.getElementById('quantity').value = 1;
+        document.getElementById('special-instructions').value = '';
+    }
+
+    function closeModal() {
+        document.getElementById('modal').style.display = 'none';
+    }
+
+    function addToCart() {
+        if (finalized) {
+            alert("You cannot add more items after finalizing your order.");
+            return;
+        }
+        const name = document.getElementById('modal-name').innerText;
+        const price = parseFloat(document.getElementById('modal-price').innerText.replace('$', ''));
+        const spiceLevel = document.querySelector('input[name="spice-level"]:checked')?.value || "Not Selected";
+        const quantity = parseInt(document.getElementById('quantity').value) || 1;
+        const instructions = document.getElementById('special-instructions').value;
+        const extras = Array.from(document.querySelectorAll('input[name="biryani-extra"]:checked')).map(extra => extra.value);
+        const extrasCost = extras.reduce((sum, extra) => sum + (extrasPrices[extra] || 0), 0);
+        const itemTotal = (price + extrasCost) * quantity;
+        const cartItem = { name, price, spiceLevel, quantity, instructions, extras, itemTotal };
+        cart.push(cartItem);
+        alert(`${name} added to cart!`);
+        updateCartDisplay();
+        closeModal();
+    }
+
+    function updateCartDisplay() {
+        let totalBill = 0;
+        let cartHTML = "<h3>Your Cart:</h3><ul>";
+        cart.forEach((item, index) => {
+            totalBill += item.itemTotal;
+            const extras = item.extras.join(', ');
+            cartHTML += `<li><input type='checkbox' id='cart-item-${index}' value='${index}' checked onclick='removeItem(${index})'> ${item.name} (x${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;
+    }
+
+    function removeItem(index) {
+        cart.splice(index, 1);
+        updateCartDisplay();
+    }
+
+    function finalizeOrder() {
+        if (cart.length === 0) {
+            alert("Your cart is empty. Please add items before finalizing.");
+            return;
+        }
+        finalized = true;
+        let finalOrderHTML = "<h3>Final Order:</h3><ul>";
+        let totalBill = 0;
+        cart.forEach(item => {
+            totalBill += item.itemTotal;
+            const extras = item.extras.join(', ');
+            finalOrderHTML += `<li>${item.name} (x${item.quantity}, Spice: ${item.spiceLevel}, Extras: ${extras}, Instructions: ${item.instructions}) - $${item.itemTotal.toFixed(2)}</li>`;
+        });
+        finalOrderHTML += `</ul><p><strong>Total Bill: $${totalBill.toFixed(2)}</strong></p>`;
+        document.getElementById('final-order').innerHTML = finalOrderHTML;
+        alert("Your order has been finalized. You cannot make changes now.");
+    }
+</script>
+"""
 
 # Gradio app definition
 def app():
@@ -109,70 +118,13 @@ def app():
         )
 
         # Output area for menu items
-        menu_output = gr.HTML(value=filter_menu("All"))
+        menu_output = gr.HTML(value="Loading menu...")
 
         # Floating cart display
         cart_output = gr.HTML(value="Your cart is empty.", elem_id="floating-cart")
 
-        # JavaScript for modal and cart behavior
-        modal_and_cart_js = """
-        <script>
-            let cart = [];
-            const extrasPrices = {
-                "Extra Raitha 4oz": 1,
-                "Extra Raitha 8oz": 2,
-                "Extra Salan 4oz": 1,
-                "Extra Salan 8oz": 2,
-                "Extra Onion": 1,
-                "Extra Onion & Lemon": 2,
-                "Extra Fried Onion 4oz": 2
-            };
-            function openModal(name, image, description, price) {
-                document.getElementById('modal').style.display = 'block';
-                document.getElementById('modal-image').src = image;
-                document.getElementById('modal-name').innerText = name;
-                document.getElementById('modal-description').innerText = description;
-                document.getElementById('modal-price').innerText = price;
-                
-                // Reset spice levels and extras
-                const spiceLevelInputs = document.querySelectorAll('input[name="spice-level"]');
-                spiceLevelInputs.forEach(input => input.checked = false);
-                const extrasInputs = document.querySelectorAll('input[name="biryani-extra"]');
-                extrasInputs.forEach(input => input.checked = false);
-                document.getElementById('quantity').value = 1;
-                document.getElementById('special-instructions').value = '';
-            }
-            function closeModal() {
-                document.getElementById('modal').style.display = 'none';
-            }
-            function addToCart() {
-                const name = document.getElementById('modal-name').innerText;
-                const price = document.getElementById('modal-price').innerText;
-                const spiceLevel = document.querySelector('input[name="spice-level"]:checked')?.value || "Not Selected";
-                const quantity = parseInt(document.getElementById('quantity').value) || 1;
-                const instructions = document.getElementById('special-instructions').value;
-                const extras = Array.from(document.querySelectorAll('input[name="biryani-extra"]:checked')).map(extra => extra.value);
-                const extrasCost = extras.reduce((sum, extra) => sum + (extrasPrices[extra] || 0), 0);
-                const itemTotal = (parseFloat(price.replace('$', '')) + extrasCost) * quantity;
-                const cartItem = { name, price, spiceLevel, quantity, instructions, extras, itemTotal };
-                cart.push(cartItem);
-                alert(`${name} added to cart!`);
-                updateCartDisplay();
-                closeModal();
-            }
-            function updateCartDisplay() {
-                let totalBill = 0;
-                let cartHTML = "<h3>Your Cart:</h3><ul>";
-                cart.forEach(item => {
-                    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;
-            }
-        </script>
-        """
+        # Final order display
+        final_order_output = gr.HTML(value="", elem_id="final-order")
 
         # Modal window
         modal_window = gr.HTML("""
@@ -216,17 +168,23 @@ def app():
         </div>
         """)
 
-        # Interactivity
-        selected_preference.change(filter_menu, inputs=[selected_preference], outputs=[menu_output])
+        # Finalize Order Button
+        finalize_button = gr.Button("Finalize Order")
+
+        # Finalize order button click event
+        finalize_button.click(lambda: "Order finalized!", outputs=[final_order_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
 
 if __name__ == "__main__":
-    app().launch()
+    demo = app()
+    demo.launch()