feat: 使用余额支付

wfc-common/wfc-common-core/src/main/resources/i18n/messages_en_US.properties

@@ -81,6 +81,8 @@ user.file.service.error.contact.administrator=File service exception, please con
 user.avatar.upload.error.contact.administrator=Upload image exception, please contact the administrator
 user.not.register=The current system has not enabled the registration function
 user.name.or.password.error=Username or password error
+user.order.pay.type.error=This order does not allow payment with balance
+user.order.pay.amount.error=Insufficient Balance
 ## wfc-modules-system
 system.add.dict.failed.dict.exist=Add dictionary ''{0}'' failed, dictionary type already exists
 system.modify.dict.failed.dict.exist=Modify dictionary ''{0}'' failed, dictionary type already exists

wfc-common/wfc-common-core/src/main/resources/i18n/messages_zh_CN.properties

@@ -81,6 +81,8 @@ user.file.service.error.contact.administrator=文件服务异常，请联系管
 user.avatar.upload.error.contact.administrator=上传图片异常，请联系管理员
 user.not.register=当前系统没有开启注册功能
 user.name.or.password.error=用户名或密码错误
+user.order.pay.type.error=不允许使用余额支付
+user.order.pay.amount.error=余额不足
 ## wfc-modules-system
 system.add.dict.failed.dict.exist=新增字典''{0}''失败，字典类型已存在
 system.modify.dict.failed.dict.exist=修改字典''{0}''失败，字典类型已存在

wfc-modules/wfc-user/src/main/java/org/wfc/user/controller/UOrderController.java

@@ -121,4 +121,9 @@ public class UOrderController extends BaseController {
     public AjaxResult paySuccess(@PathVariable("id") Long id) {
         return toAjax(uOrderService.paySuccess(id));
     }
+
+    @PostMapping("payBalance/{id}")
+    public AjaxResult payBalance(@PathVariable("id") Long id) {
+        return toAjax(uOrderService.payByBalance(id));
+    }
 }

wfc-modules/wfc-user/src/main/java/org/wfc/user/service/IUOrderService.java

@@ -16,4 +16,6 @@ public interface IUOrderService extends IService<UOrder> {
     Long saveOrder(UOrder order);
 
     boolean paySuccess(Long orderId);
+
+    boolean payByBalance(Long orderId);
 }

wfc-modules/wfc-user/src/main/java/org/wfc/user/service/impl/UOrderServiceImpl.java

@@ -142,6 +142,33 @@ public class UOrderServiceImpl extends ServiceImpl<UOrderMapper, UOrder> impleme
         return true;
     }
 
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public boolean payByBalance(Long orderId) {
+        UOrder order = this.getById(orderId);
+        if (!OrderTypeEnum.PACKAGE.getCode().equals(order.getType())) {
+            throw new ServiceException("user.order.pay.type.error");
+        }
+        UAccount account = accountService.getOne(Wrappers.<UAccount>lambdaQuery().eq(UAccount::getUserId, order.getUserId()), false);
+
+        BigDecimal balance;
+        if (ObjectUtil.isNull(account)) {
+            throw new ServiceException("user.order.pay.amount.error");
+        } else {
+            account.setBalance(Optional.ofNullable(account.getBalance()).orElse(BigDecimal.ZERO));
+            balance = account.getBalance().subtract(Optional.ofNullable(account.getBalanceUsed()).orElse(BigDecimal.ZERO));
+        }
+        if (order.getOrderAmount().compareTo(balance) > 0) {
+            throw new ServiceException("user.order.pay.amount.error");
+        }
+        if (paySuccess(orderId)) {
+            account.setBalance(account.getBalance().subtract(order.getOrderAmount()));
+            accountService.updateById(account);
+        }
+
+        return true;
+    }
+
     private void callbackPackage(UOrder order, UAccount account, boolean isValid) {
         if (ObjectUtil.isNull(order.getPackageId())) {
             return;