app.py

import gradio as gr
import pandas as pd

# Function to load the menu data from Excel
def load_menu():
    menu_file = "menu.xlsx"  # Ensure this file exists in the same directory
    try:
        return pd.read_excel(menu_file)
    except Exception as e:
        raise ValueError(f"Error loading menu file: {e}")

# Function to filter menu items based on preference
def filter_menu(preference):
    # Load menu data
    menu_data = load_menu()

    # Define filter conditions
    if preference == "Halal/Non-Veg":
        filtered_data = menu_data[menu_data["Ingredients"].str.contains("Chicken|Mutton|Fish|Prawns|Goat", case=False, na=False)]
    elif preference == "Vegetarian":
        filtered_data = menu_data[~menu_data["Ingredients"].str.contains("Chicken|Mutton|Fish|Prawns|Goat", case=False, na=False)]
    elif preference == "Guilt-Free":
        filtered_data = menu_data[menu_data["Description"].str.contains(r"Fat: ([0-9]|10)g", case=False, na=False)]
    else:  # Default to "All"
        filtered_data = menu_data

    # Generate HTML for the menu
    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>
            <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

# Gradio app definition
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"))

        # Modal window
        modal_window = gr.HTML("""
        <div id="modal" style="display: none; position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); 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>
            <label for="spice-level">Choose Spice Level:</label>
            <select id="spice-level">
                <option value="Mild">Mild</option>
                <option value="Medium">Medium</option>
                <option value="Spicy">Spicy</option>
            </select>
            <br><br>
            <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>
            <button style="background-color: #28a745; color: white; border: none; padding: 10px 20px; font-size: 14px; border-radius: 5px; cursor: pointer;">Add to Cart</button>
        </div>
        <script>
            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';
            }
        </script>
        """)

        # Interactivity
        selected_preference.change(filter_menu, inputs=[selected_preference], outputs=[menu_output])

        # Layout
        gr.Row([selected_preference])
        gr.Row(menu_output)
        gr.Row(modal_window)

    return demo

# Run the app
if __name__ == "__main__":
    demo = app()
    demo.launch()