fix(订单): 修复退款逻辑和支付方式设置

修复订单退款逻辑，增加对支付方式的判断，避免对余额支付的订单进行退款操作。同时，优化退款异常处理，返回更详细的错误信息。在创建订单时，增加支付方式的设置。

agileboot-api/src/main/java/com/agileboot/api/controller/ApprovalApiController.java

@@ -22,6 +22,7 @@ import org.springframework.web.bind.annotation.*;
 import org.apache.commons.lang3.StringUtils;
 
 import javax.validation.Valid;
+import java.math.BigDecimal;
 import java.util.Date;
 
 /**
@@ -63,6 +64,9 @@ public class ApprovalApiController {
 
         try {
             if (command.getStatus() == 2) {
+                if (command.getReturnAmount() == null || command.getReturnAmount().compareTo(BigDecimal.ZERO) <= 0) {
+                    return ResponseDTO.fail(new ApiException(ErrorCode.Internal.INTERNAL_ERROR, "归还金额不能为空或小于等于0"));
+                }
                 approvalApplicationService.approveApproval(command);
             } else if (command.getStatus() == 3) {
                 approvalApplicationService.rejectApproval(command);

agileboot-api/src/main/java/com/agileboot/api/controller/OrderController.java

@@ -96,7 +96,10 @@ public class OrderController extends BaseController {
             log.info("退款结果：{}", refundVO);
             return ResponseDTO.ok(refundVO);
         } catch (Exception e) {
-            throw new RuntimeException(e);
+            RefundVO refundVO = new RefundVO();
+            refundVO.setSuccess(false);
+            refundVO.setMsg(e.getMessage());
+            return ResponseDTO.fail(refundVO);
         }
     }
 }

agileboot-domain/src/main/java/com/agileboot/domain/shop/approval/ReturnApprovalApplicationService.java

@@ -25,9 +25,11 @@ import java.math.BigDecimal;
 import java.math.RoundingMode;
 import java.util.Date;
 import java.util.List;
+import java.util.Objects;
 import java.util.stream.Collectors;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.ObjectUtils;
 import org.springframework.stereotype.Service;
 
 /**
@@ -119,6 +121,7 @@ public class ReturnApprovalApplicationService {
             throw new IllegalArgumentException("退款金额不能超过订单总额");
         }
 
+        if (!Objects.equals(orderModel.getPaymentMethod(), "balance")) {
             RefundVO refundVO = null;
             try {
                 refundVO = paymentApplicationService.refund(
@@ -132,6 +135,7 @@ public class ReturnApprovalApplicationService {
             if (null == refundVO || !refundVO.getSuccess()) {
                 throw new RuntimeException("退款失败");
             }
+        }
 
         model.validateApprovalStatus();
         model.setAuditImages(command.getAuditImages());

agileboot-domain/src/main/java/com/agileboot/domain/shop/order/OrderApplicationService.java

@@ -127,6 +127,7 @@ public class OrderApplicationService {
         orderModel.setStatus(1);
         orderModel.generateOrderNumber();
         orderModel.setTotalAmount(BigDecimal.valueOf(0));
+        orderModel.setPaymentMethod(command.getPaymentType());
         orderModel.insert();
 
         processOrderGoods(orderModel, goodsList);