Update app.py

app.py

@@ -516,7 +516,8 @@ def apply_coupon():
     data = request.json
     coupon_code = data.get('coupon_code')
     subtotal = data.get('subtotal')
-
+    email = data.get('email')
+    
     if not coupon_code:
         return jsonify({'success': False, 'message': 'Coupon code is required.'})
 
@@ -530,9 +531,36 @@ def apply_coupon():
 
         # Apply a fixed 10% discount
         discount_percentage = 0.10  # 10% discount
+        
         discount_amount = subtotal * discount_percentage
+        
+        final_total = subtotal - discount_amount
+        
+        order_query = f"""
+            SELECT Id, Total_Amount__c, Offers_Applied__c 
+            FROM Order__c
+            WHERE Customer_Email__c = '{email}' AND Order_Status__c = 'Pending' 
+            ORDER BY CreatedDate DESC
+            LIMIT 1
+        """
+        order_result = sf.query(order_query)
+
+        if order_result.get("records"):
+            order_id = order_result["records"][0]["Id"]
+
+            # Update the order with the new total amount and offer applied
+            sf.Order__c.update(order_id, {
+                "Total_Amount__c": final_total,
+                "Offers_Applied__c": f"Discount Applied: ${discount_amount:.2f}"  # Save the discount applied in Offers_Applied
+            })
+
+        return jsonify({
+            'success': True,
+            'discount': discount_amount,
+            'final_total': final_total,
+            'message': 'Coupon applied successfully.'
+        })
 
-        return jsonify({'success': True, 'discount': discount_amount})
 
     except Exception as e:
         return jsonify({'success': False, 'message': f'Error applying coupon: {str(e)}'})