Update app.py

app.py

@@ -3,9 +3,6 @@ import pandas as pd
 
 # Load menu data from Excel file
 def load_menu(file_path="menu.xlsx"):
-    """
-    Load menu data from an Excel file dynamically based on column headers.
-    """
     menu_df = pd.read_excel(file_path)
     menu_df.columns = menu_df.columns.str.strip().str.lower()
     
@@ -40,16 +37,34 @@ def display_menu():
     """
     menu_html = ""
     for item in menu_data:
-        menu_html += f"""
-        <div style="display: flex; align-items: center; margin-bottom: 15px; border: 1px solid #ddd; padding: 10px; border-radius: 5px;">
-            <img src="{item['image']}" alt="{item['name']}" style="width: 80px; height: 80px; border-radius: 5px; margin-right: 15px;">
-            <div>
-                <h4 style="margin: 0;">{item['name']} - ${item['price']}</h4>
-                <p style="font-size: 12px; color: gray;">{item['description']}</p>
+        if item["name"] in cart:
+            # Quantity selector if the item is already in the cart
+            menu_html += f"""
+            <div style="display: flex; align-items: center; margin-bottom: 15px; border: 1px solid #ddd; padding: 10px; border-radius: 5px;">
+                <img src="{item['image']}" alt="{item['name']}" style="width: 80px; height: 80px; border-radius: 5px; margin-right: 15px;">
+                <div>
+                    <h4 style="margin: 0;">{item['name']} - ${item['price']}</h4>
+                    <p style="font-size: 12px; color: gray;">{item['description']}</p>
+                </div>
+                <div style="margin-left: auto; display: flex; align-items: center;">
+                    <button onclick="update_quantity('{item['name']}', {cart[item['name']]['quantity'] - 1})" style="background-color: #dc3545; color: white; border: none; padding: 5px; border-radius: 5px;">-</button>
+                    <span style="margin: 0 10px;">{cart[item['name']]['quantity']}</span>
+                    <button onclick="update_quantity('{item['name']}', {cart[item['name']]['quantity'] + 1})" style="background-color: #28a745; color: white; border: none; padding: 5px; border-radius: 5px;">+</button>
+                </div>
             </div>
-            <button onclick="add_to_cart('{item['name']}')" style="background-color: #28a745; color: white; border: none; padding: 8px 12px; border-radius: 5px; cursor: pointer; margin-left: auto;">Add</button>
-        </div>
-        """
+            """
+        else:
+            # Add button if the item is not in the cart
+            menu_html += f"""
+            <div style="display: flex; align-items: center; margin-bottom: 15px; border: 1px solid #ddd; padding: 10px; border-radius: 5px;">
+                <img src="{item['image']}" alt="{item['name']}" style="width: 80px; height: 80px; border-radius: 5px; margin-right: 15px;">
+                <div>
+                    <h4 style="margin: 0;">{item['name']} - ${item['price']}</h4>
+                    <p style="font-size: 12px; color: gray;">{item['description']}</p>
+                </div>
+                <button onclick="add_to_cart('{item['name']}')" style="background-color: #28a745; color: white; border: none; padding: 8px 12px; border-radius: 5px; cursor: pointer; margin-left: auto;">Add</button>
+            </div>
+            """
     return menu_html
 
 def add_to_cart(item_name):
@@ -67,7 +82,7 @@ def add_to_cart(item_name):
                     "quantity": 1
                 }
                 break
-    return view_cart()
+    return display_menu()
 
 def update_quantity(item_name, new_quantity):
     """
@@ -78,7 +93,7 @@ def update_quantity(item_name, new_quantity):
             del cart[item_name]
         else:
             cart[item_name]["quantity"] = new_quantity
-    return view_cart()
+    return display_menu()
 
 def view_cart():
     """