Update app.py

app.py

@@ -466,14 +466,14 @@ def update_quantity():
 def checkout():
     email = session.get('user_email')
     user_id = session.get('user_id')
-    
+
     if not email or not user_id:
         return jsonify({"success": False, "message": "User not logged in"})
 
     try:
         data = request.json
         use_reward_points = data.get("useRewardPoints", False)
-        selected_coupon = data.get("selectedCoupon", "").strip()
+        selected_coupon = data.get("selectedCoupon", "").strip()  # Get selected coupon
 
         # Fetch cart items
         result = sf.query(f"""
@@ -504,12 +504,34 @@ def checkout():
             else:
                 return jsonify({"success": False, "message": "Insufficient reward points to apply."})
 
-        # Apply coupon discount (assume 15% discount for now)
+        # Apply coupon discount and remove used coupon
         if selected_coupon:
             discount += total_price * 0.15  # Example: 15% discount for coupon
 
+            # Fetch the user's existing coupons
+            coupon_query = sf.query(f"""
+                SELECT Id, Coupon_Code__c FROM Referral_Coupon__c WHERE Referral_Email__c = '{email}'
+            """)
+
+            if coupon_query["records"]:
+                coupon_record = coupon_query["records"][0]
+                referral_coupon_id = coupon_record["Id"]
+                existing_coupons = coupon_record["Coupon_Code__c"].split("\n")  # Convert string to list
+
+                # Remove only the selected coupon
+                updated_coupons = [coupon for coupon in existing_coupons if coupon.strip() != selected_coupon]
+
+                # Convert list back to a string with newlines
+                updated_coupons_str = "\n".join(updated_coupons).strip()
+
+                # Update the Referral_Coupon__c record with the remaining coupons
+                sf.Referral_Coupon__c.update(referral_coupon_id, {
+                    "Coupon_Code__c": updated_coupons_str
+                })
+
         total_bill = total_price - discount
 
+        # Store the order details
         order_data = {
             "Customer_Name__c": user_id,
             "Customer_Email__c": email,
@@ -522,7 +544,7 @@ def checkout():
 
         sf.Order__c.create(order_data)
 
-        # Clear cart
+        # Clear cart after successful order
         for item in cart_items:
             sf.Cart_Item__c.delete(item["Id"])
 
@@ -532,7 +554,6 @@ def checkout():
         return jsonify({"success": False, "error": str(e)})
 
 
-
 @app.route("/order", methods=["GET"])
 def order_summary():
     email = session.get('user_email')  # Fetch logged-in user's email