app.py

import bcrypt
import gradio as gr
from simple_salesforce import Salesforce

# Salesforce Connection
sf = Salesforce(username='[email protected]', password='Sati@1020', security_token='sSSjyhInIsUohKpG8sHzty2q')

# Function to Hash Password
def hash_password(password):
    return bcrypt.hashpw(password.encode('utf-8'), bcrypt.gensalt()).decode('utf-8')

# Function to Verify Password
def verify_password(plain_password, hashed_password):
    return bcrypt.checkpw(plain_password.encode('utf-8'), hashed_password.encode('utf-8'))

# Signup function
def signup(name, email, phone, password):
    try:
        email = email.strip()
        query = f"SELECT Id FROM Customer_Login__c WHERE Email__c = '{email}'"
        result = sf.query(query)

        if len(result['records']) > 0:
            return "Email already exists! Please use a different email."

        hashed_password = hash_password(password)

        sf.Customer_Login__c.create({
            'Name': name.strip(),
            'Email__c': email,
            'Phone_Number__c': phone.strip(),
            'Password__c': hashed_password
        })
        return "Signup successful! You can now login."
    except Exception as e:
        return f"Error during signup: {str(e)}"

# Login function
def login(email, password):
    try:
        email = email.strip()
        query = f"SELECT Name, Password__c FROM Customer_Login__c WHERE Email__c = '{email}'"
        result = sf.query(query)

        if len(result['records']) == 0:
            return "Invalid email or password.", None

        user = result['records'][0]
        stored_password = user['Password__c']

        if verify_password(password.strip(), stored_password):
            return "Login successful!", user['Name']
        else:
            return "Invalid email or password.", None
    except Exception as e:
        return f"Error during login: {str(e)}", None

# Function to load menu data
def load_menu_from_salesforce():
    try:
        query = "SELECT Name, Price__c, Description__c, Image1__c, Image2__c, Veg_NonVeg__c, Section__c FROM Menu_Item__c"
        result = sf.query(query)
        return result['records']
    except Exception as e:
        return []

# Function to filter menu items
def filter_menu(preference):
    menu_data = load_menu_from_salesforce()
    filtered_data = {}
    for item in menu_data:
        if "Section__c" not in item or "Veg_NonVeg__c" not in item:
            continue

        if item["Section__c"] not in filtered_data:
            filtered_data[item["Section__c"]] = []

        if preference == "All" or (preference == "Veg" and item["Veg_NonVeg__c"] in ["Veg", "Both"]) or (preference == "Non-Veg" and item["Veg_NonVeg__c"] in ["Non veg", "Both"]):
            filtered_data[item["Section__c"].strip()].append(item)

    html_content = '<div style="padding: 0 10px; max-width: 1200px; margin: auto;">'
    for section, items in filtered_data.items():
        html_content += f"<h2 style='text-align: center; margin-top: 5px;'>{section}</h2>"
        html_content += '<div style="display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 15px; justify-content: center; margin-top: 10px;">'
        for item in items:
            html_content += f"""
            <div style="border: 1px solid #ddd; border-radius: 10px; box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1); overflow: hidden; height: 350px;">
                <img src="{item.get('Image1__c', '')}" style="width: 100%; height: 200px; object-fit: cover;" 
                onclick="openModal('{item['Name']}', '{item.get('Image2__c', '')}', '{item['Description__c']}', '${item['Price__c']}')">
                <div style="padding: 10px;">
                    <h3 style='font-size: 1.2em; text-align: center;'>{item['Name']}</h3>
                    <p style='font-size: 1.1em; color: green; text-align: center;'>${item['Price__c']}</p>
                    <p style='font-size: 0.9em; text-align: justify; margin: 5px;'>{item['Description__c']}</p>
                </div>
            </div>
            """
        html_content += '</div>'
    html_content += '</div>'

    if not any(filtered_data.values()):
        return "<p>No items match your filter.</p>"

    return html_content

# JavaScript for Modal and Cart Functionality
def modal_js():
    modal_script = """
    <script>
        let cart = [];
        let totalCartCost = 0;

        function openModal(name, image2, description, price) {
            const modal = document.getElementById('modal');
            modal.style.display = 'block';
            modal.style.position = 'fixed';
            modal.style.width = window.innerWidth <= 768 ? '90%' : '30%';
            modal.style.top = `${event.clientY}px`;
            modal.style.left = '50%';
            modal.style.transform = 'translate(-50%, -50%)';
            document.getElementById('modal-image').src = image2;
            document.getElementById('modal-name').innerText = name;
            document.getElementById('modal-description').innerText = description;
            document.getElementById('modal-price').innerText = price;
            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 quantity = parseInt(document.getElementById('quantity').value) || 1;
            const instructions = document.getElementById('special-instructions').value;
            const extrasCost = 0;  // For simplicity, no extras are added here
            const totalCost = price * quantity + extrasCost;

            cart.push({ name, quantity, instructions, totalCost });
            totalCartCost += totalCost;

            updateCartButton();
            closeModal();
        }

        function updateCartButton() {
            const cartButton = document.getElementById('cart-button');
            cartButton.innerText = `View Cart (${cart.length} items)`;
        }

        function submitCart() {
            if (cart.length === 0) {
                alert("Cart is empty. Please add items!");
                return;
            }

            let summary = "<h3>Order Summary</h3><ul>";
            cart.forEach(item => {
                summary += `<li>${item.name} (x${item.quantity}) - $${item.totalCost.toFixed(2)}</li>`;
            });
            summary += `</ul><h3>Total: $${totalCartCost.toFixed(2)}</h3>`;
            document.getElementById('cart-summary').innerHTML = summary;
        }
    </script>
    """
    return modal_script

# Gradio App
with gr.Blocks() as app:
    with gr.Row():
        gr.HTML("<h1 style='text-align: center;'>Welcome to Biryani Hub</h1>")

    with gr.Row(visible=True) as login_page:
        with gr.Column():
            login_email = gr.Textbox(label="Email")
            login_password = gr.Textbox(label="Password", type="password")
            login_button = gr.Button("Login")
            signup_redirect = gr.Button("Go to Signup")
            login_output = gr.Textbox(label="Status")

    with gr.Row(visible=False) as signup_page:
        with gr.Column():
            signup_name = gr.Textbox(label="Name")
            signup_email = gr.Textbox(label="Email")
            signup_phone = gr.Textbox(label="Phone")
            signup_password = gr.Textbox(label="Password", type="password")
            submit_signup = gr.Button("Signup")
            login_redirect = gr.Button("Go to Login")
            signup_output = gr.Textbox(label="Status")

    with gr.Row(visible=False) as menu_page:
        with gr.Column():
            preference = gr.Radio(["All", "Veg", "Non-Veg"], label="Filter Preference", value="All")
            menu_output = gr.HTML()
            submit_cart_button = gr.Button("Submit Cart", elem_id="cart-button")
            cart_summary = gr.HTML(elem_id="cart-summary")

    # Login Button Click
    login_button.click(
        lambda email, password: (gr.update(visible=False), gr.update(visible=True), filter_menu("All"), "Login successful!")
        if login(email, password)[0] == "Login successful!" else (gr.update(), gr.update(), "Invalid email or password."),
        [login_email, login_password],
        [login_page, menu_page, menu_output, login_output]
    )

    # Signup Button Click
    submit_signup.click(
        lambda name, email, phone, password: (signup(name, email, phone, password), gr.update(visible=False), gr.update(visible=True)),
        [signup_name, signup_email, signup_phone, signup_password],
        [signup_output, signup_page, login_page]
    )

    # Signup Redirect
    signup_redirect.click(
        lambda: (gr.update(visible=False), gr.update(visible=True)),
        [],
        [login_page, signup_page]
    )

    # Login Redirect
    login_redirect.click(
        lambda: (gr.update(visible=True), gr.update(visible=False)),
        [],
        [login_page, signup_page]
    )

    # Submit Cart Button
    submit_cart_button.click(
        None,
        [],
        [cart_summary],
        _js="submitCart()"
    )

app.launch()