修复租户名的重复问题 + 配合周建进行测试所提bug的后端修改

yudao-module-system/yudao-module-system-api/src/main/java/cn/iocoder/yudao/module/system/enums/ErrorCodeConstants.java

@@ -103,6 +103,7 @@ public interface ErrorCodeConstants {
     ErrorCode TENANT_DISABLE = new ErrorCode(1002015001, "名字为【{}】的租户已被禁用");
     ErrorCode TENANT_EXPIRE = new ErrorCode(1002015002, "名字为【{}】的租户已过期");
     ErrorCode TENANT_CAN_NOT_UPDATE_SYSTEM = new ErrorCode(1002015003, "系统租户不能进行修改、删除等操作！");
+    ErrorCode TENANT_NAME_DUPLICATE = new ErrorCode(1002015004, "已经存在该名称的租户");
 
     // ========== 租户套餐 1002016000 ==========
     ErrorCode TENANT_PACKAGE_NOT_EXISTS = new ErrorCode(1002016000, "租户套餐不存在");

yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/service/tenant/TenantServiceImpl.java

@@ -97,6 +97,8 @@ public class TenantServiceImpl implements TenantService {
     @Override
     @Transactional(rollbackFor = Exception.class)
     public Long createTenant(TenantCreateReqVO createReqVO) {
+        // 校验租户名称是否重复
+        validTenantNameDuplicate(createReqVO.getName(), null);
         // 校验套餐被禁用
         TenantPackageDO tenantPackage = tenantPackageService.validTenantPackage(createReqVO.getPackageId());
 
@@ -139,6 +141,8 @@ public class TenantServiceImpl implements TenantService {
     public void updateTenant(TenantUpdateReqVO updateReqVO) {
         // 校验存在
         TenantDO tenant = validateUpdateTenant(updateReqVO.getId());
+        // 校验租户名称是否重复
+        validTenantNameDuplicate(updateReqVO.getName(), updateReqVO.getId());
         // 校验套餐被禁用
         TenantPackageDO tenantPackage = tenantPackageService.validTenantPackage(updateReqVO.getPackageId());
 
@@ -151,6 +155,20 @@ public class TenantServiceImpl implements TenantService {
         }
     }
 
+    private void validTenantNameDuplicate(String name, Long id) {
+        TenantDO tenant = tenantMapper.selectByName(name);
+        if (tenant == null) {
+            return;
+        }
+        // 如果 id 为空，说明不用比较是否为相同名字的租户
+        if (id == null) {
+            throw exception(TENANT_NAME_DUPLICATE, name);
+        }
+        if (!tenant.getId().equals(id)) {
+            throw exception(TENANT_NAME_DUPLICATE, name);
+        }
+    }
+
     @Override
     @Transactional(rollbackFor = Exception.class)
     public void updateTenantRoleMenu(Long tenantId, Set<Long> menuIds) {