Update app.py

app.py

@@ -149,7 +149,6 @@ def cart():
         return render_template("cart.html", cart_items=[], subtotal=0)
 
 
-
 @app.route('/cart/add', methods=['POST'])
 def add_to_cart():
     data = request.json  # Extract JSON payload
@@ -162,28 +161,55 @@ def add_to_cart():
     if not item_name or not item_price:
         return jsonify({"success": False, "error": "Item name and price are required."})
 
-    # Convert add-ons array to a formatted string and calculate the add-ons total price
-    addons_string = "None"
-    addons_total_price = 0
-    if addons:
-        addons_details = [f"{addon['name']} (${addon['price']})" for addon in addons]
-        addons_total_price = sum(addon['price'] for addon in addons)
-        addons_string = "; ".join(addons_details)
+    try:
+        # Query the cart to check if the item already exists
+        query = f"""
+            SELECT Id, Quantity__c, Add_Ons__c FROM Cart_Item__c
+            WHERE Customer_Email__c = '{customer_email}' AND Name = '{item_name}'
+        """
+        result = sf.query(query)
+        cart_items = result.get("records", [])
 
-    # Calculate the total price (item price + add-ons)
-    total_price = item_price + addons_total_price
+        if cart_items:
+            # If the item exists in the cart
+            cart_item_id = cart_items[0]['Id']
+            existing_quantity = cart_items[0]['Quantity__c']
+            existing_addons = cart_items[0].get('Add_Ons__c', "None")
+
+            # Combine existing add-ons with new add-ons
+            new_addons = "; ".join([
+                f"{addon['name']} (${addon['price']})" for addon in addons
+            ])
+            combined_addons = existing_addons if existing_addons != "None" else ""
+            if new_addons:
+                combined_addons = f"{combined_addons}; {new_addons}".strip("; ")
+
+            # Update the item in the cart
+            sf.Cart_Item__c.update(cart_item_id, {
+                "Quantity__c": existing_quantity + 1,  # Increase quantity by 1
+                "Add_Ons__c": combined_addons,  # Update add-ons
+                "Price__c": (existing_quantity + 1) * item_price,  # Update total price
+            })
+        else:
+            # If the item does not exist in the cart, create a new one
+            addons_string = "None"
+            if addons:
+                addons_string = "; ".join([
+                    f"{addon['name']} (${addon['price']})" for addon in addons
+                ])
+
+            total_price = item_price + sum(addon['price'] for addon in addons)
+
+            sf.Cart_Item__c.create({
+                "Name": item_name,  # Item name
+                "Price__c": total_price,  # Total price (item + add-ons)
+                "Base_Price__c": item_price,  # Base price without add-ons
+                "Quantity__c": 1,  # Default quantity is 1
+                "Add_Ons__c": addons_string,  # Add-ons with name and price
+                "Image1__c": item_image,  # Item image URL
+                "Customer_Email__c": customer_email,  # Associated customer's email
+            })
 
-    try:
-        # Save the cart item in Salesforce
-        sf.Cart_Item__c.create({
-            "Name": item_name,  # Item name
-            "Price__c": total_price,  # Total price (item + add-ons)
-            "Base_Price__c": item_price,  # Base price without add-ons
-            "Quantity__c": 1,  # Default quantity is 1
-            "Add_Ons__c": addons_string,  # Add-ons with name and price
-            "Image1__c": item_image,  # Item image URL
-            "Customer_Email__c": customer_email,  # Associated customer's email
-        })
         return jsonify({"success": True, "message": "Item added to cart successfully."})
     except Exception as e:
         print(f"Error adding item to cart: {str(e)}")
@@ -191,6 +217,7 @@ def add_to_cart():
 
 
 
+
 @app.route("/cart/add_item", methods=["POST"])
 def add_item_to_cart():
     data = request.json  # Extract JSON data from the request