Update app.py

app.py

@@ -1,4 +1,5 @@
 import gradio as gr
+from utils.database_handler import check_credentials, save_user
 import pandas as pd
 
 # Function to load the menu data
@@ -24,15 +25,15 @@ 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 ($)']}', event)">Add</button>
+            <div style=\"flex-shrink: 0; text-align: center;\">
+                <img src=\"{item['Image URL']}\" alt=\"{item['Dish Name']}\" style=\"width: 100px; height: 100px; border-radius: 8px; object-fit: cover; margin-bottom: 10px;\">
+                <button style=\"background-color: #28a745; color: white; border: none; padding: 8px 15px; font-size: 14px; border-radius: 5px; cursor: pointer;\" onclick=\"alert('{item['Dish Name']} added!');\">Add</button>
             </div>
         </div>
         """
@@ -89,29 +90,22 @@ modal_and_cart_js = """
         "Veg Manchurian": 12
     };
     let finalized = false;
-    function openModal(name, image, description, price, event) {
+    function openModal(name, image, description, price) {
         if (finalized) {
             alert("You cannot add more items after finalizing your order.");
             return;
         }
         const modal = document.getElementById('modal');
         modal.style.display = 'block';
-        modal.style.position = 'absolute';
-
-        try {
-            // Get button position and adjust modal location
-            const buttonRect = event.target.getBoundingClientRect();
-            modal.style.top = `${window.scrollY + buttonRect.top}px`;
-            modal.style.left = `${window.scrollX + buttonRect.left}px`;
-        } catch (e) {
-            console.error("Dynamic positioning failed, centering modal:", e);
-            modal.style.position = 'fixed';
-            modal.style.top = '15%';
-            modal.style.left = '50%';
-            modal.style.transform = 'translate(-50%, -50%)';
+        modal.style.position = 'fixed';
+        if (window.innerWidth <= 768) {
+            modal.style.width = '90%';
+        } else {
+            modal.style.width = '30%';
         }
-
-        modal.style.width = window.innerWidth <= 768 ? "90%" : "30%";
+        modal.style.top = '15%';
+        modal.style.left = '50%';
+        modal.style.transform = 'translate(-50%, -50%)';
         document.getElementById('modal-image').src = image;
         document.getElementById('modal-name').innerText = name;
         document.getElementById('modal-description').innerText = description;
@@ -124,75 +118,205 @@ modal_and_cart_js = """
     function closeModal() {
         document.getElementById('modal').style.display = 'none';
     }
+    function addToCart() {
+        if (finalized) {
+            alert("You cannot add more items after finalizing your order.");
+            return;
+        }
+        const name = document.getElementById('modal-name').innerText;
+        const price = parseFloat(document.getElementById('modal-price').innerText.replace('$', ''));
+        const 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, 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: $${item.price.toFixed(2)}</span>
+                            <div class='quantity-container'>
+                                <label for='item-quantity-${index}'>Quantity:</label>
+                                <input type='number' id='item-quantity-${index}' value='${item.quantity}' min='1' style='width: 50px;' onchange='updateItemQuantity(${index}, this.value)'>
+                            </div>
+                            <span>Total: $${(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>
 """
 
-# Gradio app definition
-def app():
-    with gr.Blocks() as demo:
-        gr.Markdown("## Dynamic Menu with Preferences")
+def app_interface():
+    # Login Button Actions
+    def authenticate_user(email, password):
+        if check_credentials(email, password):
+            return (
+                gr.update(visible=False),  # Hide login page
+                gr.update(visible=True),  # Show preferences page
+                gr.update(visible=True),  # Show menu page
+                "",  # Clear any error message
+            )
+        else:
+            return (
+                gr.update(visible=True),  # Show error box
+                gr.update(visible=False),  # Keep preferences page hidden
+                gr.update(visible=False),  # Keep menu page hidden
+                "Invalid email or password. Try again.",  # Error message
+            )
 
-        # Radio button for selecting preference
-        selected_preference = gr.Radio(
-            choices=["All", "Vegetarian", "Halal/Non-Veg", "Guilt-Free"],
-            value="All",
-            label="Choose a Preference",
-        )
+    def navigate_to_signup():
+        return gr.update(visible=False), gr.update(visible=True)
 
-        # Output area for menu items
-        menu_output = gr.HTML(value=filter_menu("All"))
+    def create_account(name, phone, email, password):
+        if save_user(name, phone, email, password):
+            return "Account created successfully! You can now log in.", gr.update(visible=True), gr.update(visible=False)
+        else:
+            return "Email already exists. Try logging in.", gr.update(visible=False), gr.update(visible=True)
 
-        # Floating cart display
-        cart_output = gr.HTML(value="Your cart is empty.", elem_id="floating-cart")
+    def navigate_to_login():
+        return gr.update(visible=True), gr.update(visible=False)
 
-        # Final order display
-        final_order_output = gr.HTML(value="", elem_id="final-order")
+    with gr.Blocks() as app:
+        # Login Page
+        with gr.Column(visible=True) as login_section:
+            gr.Markdown("# Login Page")
+            email = gr.Textbox(label="Email", placeholder="Enter your email")
+            password = gr.Textbox(label="Password", placeholder="Enter your password", type="password")
+            error_box = gr.Markdown("", visible=False)
+            login_btn = gr.Button("Login")
+            create_account_btn = gr.Button("Create an Account")
 
-        # 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;">
-                <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>
-            <!-- Biryani Extras -->
-            <label for="biryani-extras">Biryani Extras :</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="Thums up" /> Thums up + $2.00</label>
-                <label><input type="checkbox" name="biryani-extra" value="Sprite" /> Sprite + $2.00</label>
-                <label><input type="checkbox" name="biryani-extra" value="Extra Raitha" /> Extra Raitha  + $1.00</label>
-                <label><input type="checkbox" name="biryani-extra" value="Extra Salan" /> Extra Salan  + $2.00</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="Chilli Chicken" /> Chilli Chicken + $14.00</label>
-                <label><input type="checkbox" name="biryani-extra" value="Veg Manchurian" /> Veg Manchurian + $12.00</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>
-        """)
+        # Sign-Up Page
+        with gr.Column(visible=False) as signup_section:
+            gr.Markdown("# Sign Up Page")
+            name = gr.Textbox(label="Name", placeholder="Enter your full name")
+            phone = gr.Textbox(label="Phone", placeholder="Enter your phone number")
+            signup_email = gr.Textbox(label="Email", placeholder="Enter your email")
+            signup_password = gr.Textbox(label="Password", placeholder="Enter a password", type="password")
+            success_message = gr.Markdown("", visible=False)
+            error_message = gr.Markdown("", visible=False)
+            submit_btn = gr.Button("Sign Up")
+            back_to_login_btn = gr.Button("Back to Login")
+
+        # Preferences Page
+        with gr.Column(visible=False) as preference_section:
+            gr.Markdown("# Preferences Page")
+
+        # Menu Page
+        with gr.Column(visible=False) as menu_section:
+            gr.Markdown("## Dynamic Menu with Preferences")
+
+            selected_preference = gr.Radio(
+                choices=["All", "Vegetarian", "Halal/Non-Veg", "Guilt-Free"],
+                value="All",
+                label="Choose a Preference",
+            )
 
-        # Update menu dynamically based on preference
-        selected_preference.change(filter_menu, inputs=[selected_preference], outputs=[menu_output])
+            menu_output = gr.HTML(value=filter_menu("All"))
+            cart_output = gr.HTML(value="Your cart is empty.", elem_id="floating-cart")
 
-        # Layout
-        gr.Row([selected_preference])
-        gr.Row(menu_output)
-        gr.Row(cart_output)
-        gr.Row(modal_window)
-        gr.Row(final_order_output)
-        gr.HTML(modal_and_cart_js)
+            selected_preference.change(filter_menu, inputs=[selected_preference], outputs=[menu_output])
+
+        # Button Actions for Login
+        login_btn.click(
+            authenticate_user,
+            inputs=[email, password],
+            outputs=[login_section, preference_section, menu_section, error_box],
+        )
+        create_account_btn.click(
+            navigate_to_signup,
+            inputs=[],
+            outputs=[login_section, signup_section],
+        )
+
+        # Button Actions for Sign-Up
+        submit_btn.click(
+            create_account,
+            inputs=[name, phone, signup_email, signup_password],
+            outputs=[success_message, signup_section, login_section],
+        )
+        back_to_login_btn.click(
+            navigate_to_login,
+            inputs=[],
+            outputs=[login_section, signup_section],
+        )
 
-    return demo
+    return app
 
 if __name__ == "__main__":
-    demo = app()
-    demo.launch()
+    app = app_interface()
+    app.launch()