Update app.py

app.py

@@ -38,37 +38,89 @@ def filter_menu(preference):
         """
     return html_content
 
-# Function to display final order dynamically
-def display_final_order():
+# Function to finalize the order and display the final page
+def finalize_order():
+    global cart
+    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'])
+        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
 
-# Global cart variable
-cart = []
-
-# Function to handle adding items to the cart
-def add_to_cart(name, price, spice_level, quantity, instructions, extras):
-    item_total = (price + sum(extras.values())) * quantity
-    cart.append({
-        'name': name,
-        'price': price,
-        'spiceLevel': spice_level,
-        'quantity': quantity,
-        'instructions': instructions,
-        'extras': list(extras.keys()),
-        'itemTotal': item_total
-    })
-    return "Item added to 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;
+        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 = 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();
+    }
+</script>
+"""
 
 # Gradio app definition
 def app():
+    global cart
+    cart = []
+
     with gr.Blocks() as demo:
         gr.Markdown("## Dynamic Menu with Preferences")
 
@@ -83,26 +135,70 @@ def app():
         menu_output = gr.HTML(value=filter_menu("All"))
 
         # Floating cart display
-        cart_output = gr.HTML(value="Your cart is empty.")
+        cart_output = gr.HTML(value="Your cart is empty.", elem_id="floating-cart")
 
         # Final order display
-        final_order_output = gr.HTML(value="")
+        final_order_output = gr.HTML(value="", elem_id="final-page")
+
+        # Modal window
+        modal_window = gr.HTML("""
+        <div id="modal" style="display: none; position: fixed; top: 40%; left: 50%; transform: translate(-50%, -40%); 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;">
+                <button onclick="closeModal()" style="background: none; border: none; font-size: 18px; cursor: pointer;">&times;</button>
+            </div>
+            <img id="modal-image" style="width: 100%; height: auto; border-radius: 8px; margin-bottom: 20px;" />
+            <h2 id="modal-name"></h2>
+            <p id="modal-description"></p>
+            <p id="modal-price"></p>
+            <!-- Spice Levels -->
+            <label for="spice-level">Choose a Spice Level (Required):</label>
+            <div id="spice-level-options" style="display: flex; flex-wrap: wrap; gap: 10px; margin: 10px 0;">
+                <label><input type="radio" name="spice-level" value="American Mild" /> American Mild</label>
+                <label><input type="radio" name="spice-level" value="American Medium" /> American Medium</label>
+                <label><input type="radio" name="spice-level" value="American Spicy" /> American Spicy</label>
+                <label><input type="radio" name="spice-level" value="Indian Mild" /> Indian Mild</label>
+                <label><input type="radio" name="spice-level" value="Indian Medium" /> Indian Medium</label>
+                <label><input type="radio" name="spice-level" value="Indian Very Spicy" /> Indian Very Spicy</label>
+            </div>
+            <!-- Biryani Extras -->
+            <label for="biryani-extras">Biryani Extras (Optional - Choose as many as you like):</label>
+            <div id="biryani-extras-options" style="display: flex; flex-wrap: wrap; gap: 10px; margin: 10px 0;">
+                <label><input type="checkbox" name="biryani-extra" value="Extra Raitha 4oz" /> Extra Raitha 4oz + $1.00</label>
+                <label><input type="checkbox" name="biryani-extra" value="Extra Raitha 8oz" /> Extra Raitha 8oz + $2.00</label>
+                <label><input type="checkbox" name="biryani-extra" value="Extra Salan 4oz" /> Extra Salan 4oz + $1.00</label>
+                <label><input type="checkbox" name="biryani-extra" value="Extra Salan 8oz" /> Extra Salan 8oz + $2.00</label>
+                <label><input type="checkbox" name="biryani-extra" value="Extra Onion" /> Extra Onion + $1.00</label>
+                <label><input type="checkbox" name="biryani-extra" value="Extra Onion & Lemon" /> Extra Onion & Lemon + $2.00</label>
+                <label><input type="checkbox" name="biryani-extra" value="Extra Fried Onion 4oz" /> Extra Fried Onion 4oz + $2.00</label>
+            </div>
+            <!-- Quantity and Special Instructions -->
+            <label for="quantity">Quantity:</label>
+            <input type="number" id="quantity" value="1" min="1" style="width: 50px;" />
+            <br><br>
+            <textarea id="special-instructions" placeholder="Add special instructions here..." style="width: 100%; height: 60px;"></textarea>
+            <br><br>
+            <!-- Add to Cart Button -->
+            <button style="background-color: #28a745; color: white; border: none; padding: 10px 20px; font-size: 14px; border-radius: 5px; cursor: pointer;" onclick="addToCart()">Add to Cart</button>
+        </div>
+        """)
 
-        # Button to finalize order
+        # Finalize Order Button
         finalize_button = gr.Button("Finalize Order")
 
-        # Finalize button click handler
-        finalize_button.click(fn=display_final_order, inputs=[], outputs=final_order_output)
+        # Finalize order button click event
+        finalize_button.click(finalize_order, outputs=[final_order_output])
 
         # Update menu dynamically based on preference
-        selected_preference.change(fn=filter_menu, inputs=[selected_preference], outputs=[menu_output])
+        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