feat: 校验客户编号是否唯一

agt-module-license/agt-module-license-server/src/main/java/org/agt/module/license/controller/admin/customer/CustomerController.java

@@ -87,6 +87,13 @@ public class CustomerController {
         return success(isExists);
     }
 
+    @GetMapping("/code-unique")
+    @Operation(summary = "校验客户编号是否唯一")
+    public CommonResult<Boolean> validateCustomerCodeUnique(@RequestParam(value = "code", required = false) String code, @RequestParam(value = "id", required = false) Long id) {
+        Boolean isExists = customerService.validateCustomerCodeUnique(code, id);
+        return success(isExists);
+    }
+
     @GetMapping("/max-sn")
     @Operation(summary = "返回当前最大客户sn")
     public CommonResult<Integer> selectMaxCode() {

agt-module-license/agt-module-license-server/src/main/java/org/agt/module/license/dal/mysql/customer/CustomerMapper.java

@@ -30,5 +30,9 @@ public interface CustomerMapper extends BaseMapperX<CustomerDO> {
         return selectOne(CustomerDO::getName, name);
     }
 
+    default CustomerDO selectByCode(String code) {
+        return selectOne(CustomerDO::getCode, code);
+    }
+
     Integer selectMaxCode();
 }

agt-module-license/agt-module-license-server/src/main/java/org/agt/module/license/service/customer/CustomerService.java

@@ -60,6 +60,15 @@ public interface CustomerService {
      */
     Boolean validateCustomerNameExists(String name, Long id);
 
+    /**
+     * 校验客户编号是否唯一
+     *
+     * @param code 客户编号
+     * @param id   客户id
+     * @return 是否存在
+     */
+    Boolean validateCustomerCodeUnique(String code, Long id);
+
     /**
      * 查询当前最大的sn号
      *

agt-module-license/agt-module-license-server/src/main/java/org/agt/module/license/service/customer/CustomerServiceImpl.java

@@ -87,6 +87,25 @@ public class CustomerServiceImpl implements CustomerService {
         return false;
     }
 
+    @Override
+    public Boolean validateCustomerCodeUnique(String code, Long id) {
+        if (StrUtil.isBlank(code)) {
+            return true;
+        }
+        CustomerDO customer = customerMapper.selectByCode(code);
+        if (customer == null) {
+            return true;
+        }
+        // 如果 id 为空，说明不用比较是否为相同 id 的客户
+        if (id == null) {
+            return false;
+        }
+        if (!customer.getId().equals(id)) {
+            return false;
+        }
+        return true;
+    }
+
     @Override
     public Integer selectMaxCode() {
         Integer maxCode = customerMapper.selectMaxCode();