Update app.py

app.py

@@ -1,7 +1,7 @@
 import gradio as gr
 import pandas as pd
 
-# Function to load the menu data from Excel
+# Load menu data from Excel
 def load_menu():
     menu_file = "menu.xlsx"  # Ensure this file exists in the same directory
     try:
@@ -9,88 +9,98 @@ def load_menu():
     except Exception as e:
         raise ValueError(f"Error loading menu file: {e}")
 
-# Function to generate the popup content dynamically
-def generate_popup(item_name):
-    menu_data = load_menu()
-    item = menu_data[menu_data['Dish Name'] == item_name].iloc[0]
-
-    # Dynamic HTML for the popup
-    popup_content = f"""
-    <div style="background-color: white; padding: 20px; border-radius: 8px; width: 50%; margin: auto; box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.2); position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 1000;">
-        <img src="{item['Image URL']}" alt="{item_name}" style="width: 100%; border-radius: 8px; margin-bottom: 20px;">
-        <h2>{item_name}</h2>
-        <p>{item['Description']}</p>
-        <p style="font-size: 18px; color: #333;"><strong>Price:</strong> ${item['Price ($)']}</p>
-        <h3>Special Instructions:</h3>
-        <textarea placeholder="Add any requests here." style="width: 100%; height: 100px;"></textarea>
-        <h3>Quantity:</h3>
-        <input type="number" value="1" min="1" style="width: 50px;">
-        <button style="background-color: purple; color: white; padding: 10px 20px; margin-top: 20px; border: none; border-radius: 5px; cursor: pointer;">Add to Bag</button>
-    </div>
-    """
-    return popup_content
-
-# Function to filter menu items and include the popup functionality
-def filter_menu_with_popup(preference):
+# Main menu view
+def render_menu(preference):
     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"
+    else:
         filtered_data = menu_data
 
-    # Generate HTML for the menu
-    html_content = ""
+    menu_html = ""
     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);">
+        menu_html += f"""
+        <div style="display: flex; align-items: center; border: 1px solid #ddd; border-radius: 8px; padding: 15px; margin-bottom: 10px;">
             <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>
+                <h3 style="margin: 0;">{item['Dish Name']}</h3>
+                <p style="margin: 5px 0;">${item['Price ($)']}</p>
+                <p>{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 onclick="showPopup('{item['Dish Name']}')" style="background-color: #28a745; color: white; border: none; padding: 8px 15px; font-size: 14px; border-radius: 5px; cursor: pointer;">Add</button>
+            <div>
+                <img src="{item['Image URL']}" alt="{item['Dish Name']}" style="width: 100px; height: 100px; border-radius: 8px; object-fit: cover;">
+                <button style="background-color: #28a745; color: white; padding: 8px 15px; border: none; cursor: pointer;" 
+                        onclick="return '{item['Dish Name']}'">View Details</button>
             </div>
         </div>
         """
-    return html_content
+    return menu_html
+
+# Dish details view
+def render_dish_details(dish_name):
+    menu_data = load_menu()
+    dish = menu_data[menu_data["Dish Name"] == dish_name].iloc[0]
+    return {
+        "image": dish["Image URL"],
+        "name": dish_name,
+        "description": dish["Description"],
+        "price": dish["Price ($)"]
+    }
+
+# Add to cart
+def add_to_cart(dish_name, spice_level, extras, quantity, special_instructions, cart):
+    cart.append({
+        "name": dish_name,
+        "spice_level": spice_level,
+        "extras": extras,
+        "quantity": quantity,
+        "instructions": special_instructions
+    })
+    return cart, f"Added {dish_name} to cart!"
 
-# Gradio app definition
+# Gradio app
 def app():
-    with gr.Blocks(title="Dynamic Menu with Filters") as demo:
-        gr.Markdown("## Dynamic Menu with Preferences")
+    with gr.Blocks() as demo:
+        cart_state = gr.State([])
+
+        # Menu page
+        menu_html = gr.HTML(render_menu("All"))
+        detailed_view = gr.Column(visible=False)
+        cart_view = gr.Column(visible=False)
+
+        # Detailed view inputs
+        spice_level = gr.Dropdown(choices=["Mild", "Medium", "Spicy"], label="Spice Level")
+        extras = gr.CheckboxGroup(choices=["Extra Raita", "Extra Salan", "Extra Onion"], label="Extras")
+        quantity = gr.Number(value=1, label="Quantity")
+        special_instructions = gr.Textbox(placeholder="Add instructions", label="Special Instructions")
+        add_button = gr.Button("Add to Cart")
+        back_button = gr.Button("Back to Menu")
+
+        # Cart view
+        cart_html = gr.HTML(value="Your cart is empty.")
 
-        # Radio button for selecting preference
-        selected_preference = gr.Radio(
-            choices=["All", "Vegetarian", "Halal/Non-Veg", "Guilt-Free"],
-            value="All",
-            label="Choose a Preference",
-        )
+        # Switch to detailed view
+        def show_dish_details(dish_name):
+            details = render_dish_details(dish_name)
+            return gr.update(visible=False), gr.update(visible=True), details["image"], details["name"], details["description"], details["price"]
 
-        # Output area for menu items
-        menu_output = gr.HTML(value=filter_menu_with_popup("All"))
+        # Add to cart
+        def handle_add_to_cart(dish_name, spice_level, extras, quantity, instructions, cart):
+            return add_to_cart(dish_name, spice_level, extras, quantity, instructions, cart)
 
-        # Popup area
-        popup_output = gr.HTML()
+        # Navigation
+        menu_html.change(show_dish_details, inputs=["dish_name"], outputs=[menu_html, detailed_view])
 
-        # Define interactivity
-        selected_preference.change(filter_menu_with_popup, inputs=[selected_preference], outputs=[menu_output])
+        add_button.click(handle_add_to_cart, inputs=[spice_level, extras, quantity, special_instructions, cart_state], outputs=[cart_state, cart_html])
 
-        # Layout
-        gr.Row([selected_preference])
-        gr.Row(menu_output)
-        gr.Row(popup_output)
+        back_button.click(lambda: (gr.update(visible=True), gr.update(visible=False)), outputs=[menu_html, detailed_view])
 
-    return demo
+        return demo
 
-# Run the app
 if __name__ == "__main__":
     demo = app()
     demo.launch()