Update app.py

app.py

@@ -1,5 +1,6 @@
 import gradio as gr
 import pandas as pd
+import json
 
 # Function to load the menu data
 def load_menu():
@@ -32,15 +33,15 @@ 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['Image URL']}', '{item['Description']}', '{item['Price ($)']}')\">Add</button>
+                <button style=\"background-color: #28a745; color: white; border: none; padding: 8px 15px; font-size: 14px; border-radius: 5px; cursor: pointer;\" onclick=\"addItemToCart('{item['Dish Name']}', '{item['Price ($)']}', '{item['Description']}')\">Add</button>
             </div>
         </div>
         """
     return html_content
 
 # Function to finalize the order and display the final page
-def finalize_order():
-    global cart
+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>"
 
@@ -67,36 +68,18 @@ modal_and_cart_js = """
         "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!`);
+    function addItemToCart(name, price, description) {
+        const item = {
+            name: name,
+            price: parseFloat(price),
+            spiceLevel: "Not Selected",
+            quantity: 1,
+            instructions: "",
+            extras: [],
+            itemTotal: parseFloat(price)
+        };
+        cart.push(item);
         updateCartDisplay();
-        closeModal();
     }
     function updateCartDisplay() {
         let totalBill = 0;
@@ -104,23 +87,20 @@ modal_and_cart_js = """
         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}) - $${item.itemTotal.toFixed(2)}</li>`;
+            cartHTML += `<li>${item.name} (x${item.quantity}, Spice: ${item.spiceLevel}, Extras: ${extras}, Instructions: ${item.instructions}) - $${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 removeItem(index) {
-        cart.splice(index, 1);
-        updateCartDisplay();
+    function finalizeCart() {
+        document.getElementById('cart-data').value = JSON.stringify(cart);
     }
 </script>
 """
 
 # Gradio app definition
 def app():
-    global cart
-    cart = []
-
     with gr.Blocks() as demo:
         gr.Markdown("## Dynamic Menu with Preferences")
 
@@ -137,56 +117,17 @@ def app():
         # 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
-        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>
-        """)
-
         # Finalize Order Button
         finalize_button = gr.Button("Finalize Order")
 
         # Finalize order button click event
-        finalize_button.click(finalize_order, outputs=[final_order_output])
+        finalize_button.click(finalize_order, inputs=[cart_data], outputs=[final_order_output])
 
         # Update menu dynamically based on preference
         selected_preference.change(filter_menu, inputs=[selected_preference], outputs=[menu_output])
@@ -195,7 +136,6 @@ def app():
         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)