Update app.py

app.py

@@ -25,22 +25,62 @@ def filter_menu(preference):
     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="openModal('{item['Dish Name']}', '{item['Image URL']}', '{item['Description']}', '{item['Price ($)']}', event)">Add</button>
-            </div>
-        </div>
+    <div style="flex: 1; margin-right: 15px;">
+        <h3 style="margin: 0; font-size: 18px;">{item['Dish Name']}</h3>
+        <p style="margin: 5px 0; font-size: 16px; color: #888;">${item['Price ($)']}</p>
+        <p style="margin: 5px 0; font-size: 14px; color: #555;">{item['Description']}</p>
+    </div>
+    <div style="flex-shrink: 0; text-align: center;">
+        <img src="{item['Image URL']}" alt="{item['Dish Name']}" style="width: 100px; height: 100px; border-radius: 8px; object-fit: cover; margin-bottom: 10px;">
+        <button style="background-color: #28a745; color: white; border: none; padding: 8px 15px; font-size: 14px; border-radius: 5px; cursor: pointer;" 
+                onclick="openModal('{item['Dish Name']}', '{item['Image URL']}', '{item['Description']}', '{item['Price ($)']}', event)">
+            Add
+        </button>
+    </div>
+</div>
+
         """
     return html_content
 
 # JavaScript for modal and cart behavior
 modal_and_cart_js = """
+<style>
+  .cart-container {
+    border: 1px solid #ddd;
+    border-radius: 8px;
+    padding: 15px;
+    margin-bottom: 15px;
+    background-color: #f9f9f9;
+    display: flex;
+    flex-direction: column;
+    gap: 10px;
+  }
+  .cart-item {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    border-bottom: 1px solid #ddd;
+    padding: 10px 0;
+  }
+  .cart-item:last-child {
+    border-bottom: none;
+  }
+  .cart-item span {
+    font-size: 16px;
+    margin-right: 10px;
+  }
+  .cart-item .quantity-container {
+    display: flex;
+    align-items: center;
+    gap: 5px;
+  }
+  .cart-total {
+    font-size: 18px;
+    font-weight: bold;
+    text-align: right;
+    margin-top: 10px;
+  }
+</style>
 <script>
     let cart = [];
     const extrasPrices = {
@@ -52,47 +92,48 @@ modal_and_cart_js = """
         "Chilli Chicken": 14,
         "Veg Manchurian": 12
     };
-    let finalized = false;
-
-    function openModal(name, image, description, price, event) {
-        if (finalized) {
-            alert("You cannot add more items after finalizing your order.");
-            return;
-        }
-        const modal = document.getElementById('modal');
-        modal.style.display = 'block';
-        modal.style.position = 'absolute';
-
-        // Get button position and adjust modal location
-        const buttonRect = event.target.getBoundingClientRect();
-        const isSmallScreen = window.innerWidth <= 768;
-
-        modal.style.top = `${window.scrollY + buttonRect.top + (isSmallScreen ? 20 : 0)}px`;
-        modal.style.left = isSmallScreen
-            ? "50%"
-            : `${window.scrollX + buttonRect.left}px`;
-        modal.style.transform = isSmallScreen ? "translateX(-50%)" : "none";
-        modal.style.width = isSmallScreen ? "90%" : "30%";
-
-        // Update modal content
-        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 extras and quantity
-        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 openModal(name, image, description, price, event) {
+    if (finalized) {
+        alert("You cannot add more items after finalizing your order.");
+        return;
     }
+    const modal = document.getElementById('modal');
+    modal.style.display = 'block';
+    modal.style.position = 'absolute';
+
+    // Get the button position and calculate modal position
+    const buttonRect = event.target.getBoundingClientRect();
+    const isSmallScreen = window.innerWidth <= 768;
+
+    modal.style.top = `${window.scrollY + buttonRect.top + (isSmallScreen ? 20 : 0)}px`;
+    modal.style.left = isSmallScreen
+        ? "50%"
+        : `${window.scrollX + buttonRect.left}px`;
+
+    modal.style.transform = isSmallScreen ? "translateX(-50%)" : "none";
+    modal.style.width = isSmallScreen ? "90%" : "30%";
+
+    // Update modal content
+    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 extras and quantity
+    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';
     }
-
-    // Functions for cart management (retained)
     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('$', ''));
         const quantity = parseInt(document.getElementById('quantity').value) || 1;
@@ -100,29 +141,93 @@ modal_and_cart_js = """
         const extras = Array.from(document.querySelectorAll('input[name="biryani-extra"]:checked')).map(extra => extra.value);
         const extrasCost = extras.reduce((sum, extra) => sum + (extrasPrices[extra] || 0), 0);
         const itemTotal = (price + extrasCost) * quantity;
-        const cartItem = { name, price, quantity, instructions, extras, itemTotal };
+        const cartItem = { name, price, quantity, instructions, extras, itemTotal, extrasQuantities: extras.map(() => 1) };
         cart.push(cartItem);
         alert(`${name} added to cart!`);
         updateCartDisplay();
         closeModal();
     }
-
     function updateCartDisplay() {
         let totalBill = 0;
         let cartHTML = "<div class='cart-container'>";
         cart.forEach((item, index) => {
             totalBill += item.itemTotal;
+            const extras = item.extras.map((extra, i) => {
+                const extraQuantity = item.extrasQuantities ? item.extrasQuantities[i] || 1 : 1;
+                const extraTotal = extrasPrices[extra] * extraQuantity;
+                totalBill += extraTotal;
+                return `<div class='cart-item'>
+                            <span>${extra}</span>
+                            <span>Price: $${extrasPrices[extra].toFixed(2)}</span>
+                            <div class='quantity-container'>
+                                <label for='extra-quantity-${index}-${i}'>Quantity:</label>
+                                <input type='number' id='extra-quantity-${index}-${i}' value='${extraQuantity}' min='1' style='width: 50px;' onchange='updateExtraQuantity(${index}, ${i}, this.value)'>
+                            </div>
+                            <span>Total: $${extraTotal.toFixed(2)}</span>
+                            <input type='checkbox' id='extra-remove-${index}-${i}' onclick='removeExtra(${index}, ${i})'> Remove
+                        </div>`;
+            }).join('');
             cartHTML += `<div class='cart-item'>
                             <span>${item.name}</span>
                             <span>Item Price: $${item.price.toFixed(2)}</span>
-                            <span>Quantity: ${item.quantity}</span>
-                            <span>Total: $${item.itemTotal.toFixed(2)}</span>
-                            <div><strong>Instructions:</strong> ${item.instructions || "None"}</div>
-                        </div>`;
+                            <div class='quantity-container'>
+                                <label for='item-quantity-${index}'>Quantity:</label>
+                                <input type='number' id='item-quantity-${index}' value='${item.quantity}' min='1' style='width: 50px;' onchange='updateItemQuantity(${index}, this.value)'>
+                            </div>
+                            <span>Total: $${(item.price * item.quantity).toFixed(2)}</span>
+                            <input type='checkbox' id='item-remove-${index}' onclick='removeItem(${index})'> Remove
+                        </div>
+                        ${extras}
+                        <div class='cart-item'><strong>Instructions:</strong> ${item.instructions || "None"}</div>`;
         });
         cartHTML += `</div><p class='cart-total'>Total Bill: $${totalBill.toFixed(2)}</p>`;
+        cartHTML += `<button style='margin-top: 10px; background-color: #007bff; color: white; border: none; padding: 10px; border-radius: 5px; width: 100%; cursor: pointer;' onclick='submitCart()'>Submit</button>`;
         document.getElementById('floating-cart').innerHTML = cartHTML;
     }
+    function updateItemQuantity(index, newQuantity) {
+        const quantity = parseInt(newQuantity) || 1;
+        cart[index].quantity = quantity;
+        cart[index].itemTotal = cart[index].price * quantity;
+        updateCartDisplay();
+    }
+    function updateExtraQuantity(cartIndex, extraIndex, newQuantity) {
+        const quantity = parseInt(newQuantity) || 1;
+        cart[cartIndex].extrasQuantities = cart[cartIndex].extrasQuantities || [];
+        cart[cartIndex].extrasQuantities[extraIndex] = quantity;
+        updateCartDisplay();
+    }
+    function removeExtra(cartIndex, extraIndex) {
+        cart[cartIndex].extras.splice(extraIndex, 1);
+        if (cart[cartIndex].extrasQuantities) {
+            cart[cartIndex].extrasQuantities.splice(extraIndex, 1);
+        }
+        updateCartDisplay();
+    }
+    function removeItem(index) {
+        cart.splice(index, 1);
+        updateCartDisplay();
+    }
+    function submitCart() {
+        let finalOrderHTML = "<h3>Final Order:</h3><ul>";
+        let totalBill = 0;
+        cart.forEach(item => {
+            totalBill += item.itemTotal;
+            const extras = item.extras.map((extra, i) => {
+                const extraQuantity = item.extrasQuantities ? item.extrasQuantities[i] || 1 : 1;
+                const extraTotal = extrasPrices[extra] * extraQuantity;
+                totalBill += extraTotal;
+                return `${extra} (x${extraQuantity}) - $${extraTotal.toFixed(2)}`;
+            }).join(', ');
+            finalOrderHTML += `<li>
+                ${item.name} (x${item.quantity}) - $${item.itemTotal.toFixed(2)}
+                <br>Extras: ${extras}
+                <br>Instructions: ${item.instructions || "None"}
+            </li>`;
+        });
+        finalOrderHTML += `</ul><p><strong>Total Bill: $${totalBill.toFixed(2)}</strong></p>`;
+        document.getElementById('final-order').innerHTML = finalOrderHTML;
+        alert("Your final order has been submitted!");
+    }
 </script>
 """
 
@@ -131,17 +236,23 @@ 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")
+
+        # Final order display
         final_order_output = gr.HTML(value="", elem_id="final-order")
 
-        # Modal window retained as requested
+        # Modal window
         modal_window = gr.HTML("""
         <div id="modal" style="display: none; position: fixed; 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;">
@@ -173,8 +284,10 @@ def app():
         </div>
         """)
 
+        # 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)
@@ -185,5 +298,4 @@ def app():
     return demo
 
 if __name__ == "__main__":
-    demo = app()
-    demo.launch()
+    demo = app()