FIXES

-m fallback query order when occuers wss error

app/controllers/foodcourt/qrpay_controller.rb

@@ -188,7 +188,7 @@ class Foodcourt::QrpayController < BaseFoodcourtController
         end
 
         @paymethod = PaymentMethodSetting.find_by(payment_method: "MMQR")
-        
+
         if @paymethod.nil?
           raise "MMQR payment method not configured"
         end
@@ -224,7 +224,7 @@ class Foodcourt::QrpayController < BaseFoodcourtController
         redirect_to foodcourt_food_court_path
         return
       end
-      
+
     end
   end
 
@@ -250,6 +250,48 @@ class Foodcourt::QrpayController < BaseFoodcourtController
   def test_pay
   end
 
+  def check_payment_status
+    receipt_no = params[:receipt_no]
+
+    if receipt_no.blank?
+      render json: { status: 'ERROR', message: "Receipt number is missing" }, status: :unprocessable_entity
+      return
+    end
+
+    @paymethod = PaymentMethodSetting.find_by(payment_method: "MMQR")
+
+    if @paymethod.nil?
+      render json: { status: 'CONFIG_ERROR', message: "MMQR payment method not configured" }, status: :ok
+      return
+    end
+
+    begin
+      @merchant = KbzMerchant.new(@paymethod)
+      response = @merchant.query_order(merch_order_id: receipt_no)
+
+
+      if response[:data]['code'] == '0'
+        case response[:data]['trade_status']
+        when 'PAY_SUCCESS'
+          render json: { status: 'PAY_SUCCESS' }
+        else
+          render json: { status: response[:data]['trade_status'] || 'PENDING' }
+        end
+      else
+        render json: {
+          status: 'KBZ_ERROR',
+          message: "KBZ Error #{response[:data]['code']}: #{response['msg']}"
+        }, status: :ok
+      end
+
+    rescue StandardError => e
+      render json: {
+        status: 'SERVER_ERROR',
+        message: "Payment check failed: #{e.message}"
+      }, status: :internal_server_error
+    end
+  end
+
   def cancel
     # cancel orders and related
     sale_id = params[:sale_id]