Update app.py

app.py

@@ -12,6 +12,17 @@ def load_menu():
 # 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 filter menu items based on preference
 def filter_menu(preference):
     menu_data = load_menu()
@@ -27,31 +38,34 @@ def filter_menu(preference):
     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 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 ($)']}')">Add</button>
+            <div style=\"flex-shrink: 0; text-align: center;\">
+                <img src=\"{item['Image URL']}\" alt=\"{item['Dish Name']}\" style=\"width: 100px; height: 100px; border-radius: 8px; object-fit: cover; margin-bottom: 10px;\">
+                <button style=\"background-color: #28a745; color: white; border: none; padding: 8px 15px; font-size: 14px; border-radius: 5px; cursor: pointer;\" onclick=\"openModal('{item['Dish Name']}', '{item['Image URL']}', '{item['Description']}', '{item['Price ($)']}')\">Add</button>
             </div>
         </div>
         """
     return html_content
 
 # Function to update the cart display
-def update_cart(cart):
-    global cart_items
-    cart_items = cart  # Update global cart items
+def update_cart():
     if len(cart_items) == 0:
         return "Your cart is empty."
+
+    total_bill = 0
     cart_html = "<h3>Your Cart:</h3><ul>"
     for item in cart_items:
-        extras = ", ".join(item["extras"])
-        cart_html += f"<li>{item['name']} (x{item['quantity']}, Spice: {item['spiceLevel']}, Extras: {extras}) - {item['price']}</li>"
-    cart_html += "</ul>"
+        extras = ", ".join(item.get("extras", []))
+        extras_cost = sum(EXTRAS_PRICES.get(extra, 0) for extra in item.get("extras", []))
+        item_total = (float(item['price'].strip('$')) + extras_cost) * item['quantity']
+        total_bill += item_total
+        cart_html += f"<li>{item['name']} (x{item['quantity']}, Spice: {item['spiceLevel']}, Extras: {extras}, Instructions: {item['instructions']}) - ${item_total:.2f}</li>"
+    cart_html += f"</ul><p><strong>Total Bill: ${total_bill:.2f}</strong></p>"
     return cart_html
 
 # Gradio app definition
@@ -69,8 +83,63 @@ def app():
         # Output area for menu items
         menu_output = gr.HTML(value=filter_menu("All"))
 
-        # Cart display
-        cart_output = gr.HTML(value="Your cart is empty.")
+        # 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 = [];
+
+            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;
+            }
+
+            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 cartItem = { name, price, spiceLevel, quantity, instructions, extras };
+                cart.push(cartItem);
+
+                fetch("/update_cart", {
+                    method: "POST",
+                    headers: { "Content-Type": "application/json" },
+                    body: JSON.stringify(cart)
+                });
+
+                alert(`${name} added to cart!`);
+                closeModal();
+                updateCartDisplay();
+            }
+
+            function updateCartDisplay() {
+                let totalBill = 0;
+                let cartHTML = "<h3>Your Cart:</h3><ul>";
+                cart.forEach(item => {
+                    let extrasCost = item.extras.reduce((sum, extra) => sum + (EXTRAS_PRICES[extra] || 0), 0);
+                    let itemTotal = (parseFloat(item.price.replace('$', '')) + extrasCost) * item.quantity;
+                    totalBill += itemTotal;
+                    let extras = item.extras.join(', ');
+                    cartHTML += `<li>${item.name} (x${item.quantity}, Spice: ${item.spiceLevel}, Extras: ${extras}, Instructions: ${item.instructions}) - $${itemTotal.toFixed(2)}</li>`;
+                });
+                cartHTML += `</ul><p><strong>Total Bill: $${totalBill.toFixed(2)}</strong></p>`;
+                document.getElementById('floating-cart').innerHTML = cartHTML;
+            }
+        </script>
+        """
 
         # Modal window
         modal_window = gr.HTML("""
@@ -82,7 +151,6 @@ def app():
             <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;">
@@ -93,7 +161,6 @@ def app():
                 <label><input type="radio" name="spice-level" value="Indian Medium" required /> Indian Medium</label>
                 <label><input type="radio" name="spice-level" value="Indian Very Spicy" required /> 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;">
@@ -103,65 +170,28 @@ def app():
                 <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" /> Extra Fried Onion 4oz + $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>
-        <script>
-            let cart = [];
-
-            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;
-            }
-
-            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 cartItem = { name, price, spiceLevel, quantity, instructions, extras };
-                cart.push(cartItem);
-
-                fetch("/update_cart", {
-                    method: "POST",
-                    headers: { "Content-Type": "application/json" },
-                    body: JSON.stringify(cart)
-                });
-
-                alert(`${name} added to cart!`);
-                closeModal();
-            }
-        </script>
         """)
 
         # Interactivity
         selected_preference.change(filter_menu, inputs=[selected_preference], outputs=[menu_output])
 
-        # Add the cart output
+        # Layout
         gr.Row([selected_preference])
         gr.Row(menu_output)
         gr.Row(cart_output)
         gr.Row(modal_window)
+        gr.HTML(modal_and_cart_js)
 
     return demo