feat(hwmom-mes):增强计量单位管理功能

- 新增父节点信息继承功能，自动填充祖先节点
- 增加编码唯一性校验，防止重复编码
- 添加子节点存在性检查，避免删除有子节点的计量单位

ruoyi-modules/hwmom-mes/src/main/java/org/dromara/mes/service/impl/BaseMeasurementUnitInfoServiceImpl.java

@@ -1,5 +1,6 @@
 package org.dromara.mes.service.impl;
 
+import org.dromara.common.core.exception.ServiceException;
 import org.dromara.common.core.utils.MapstructUtils;
 import org.dromara.common.core.utils.StringUtils;
 import com.github.yulichang.toolkit.JoinWrappers;
@@ -79,6 +80,16 @@ public class BaseMeasurementUnitInfoServiceImpl implements IBaseMeasurementUnitI
     public Boolean insertByBo(BaseMeasurementUnitInfoBo bo) {
         BaseMeasurementUnitInfo add = MapstructUtils.convert(bo, BaseMeasurementUnitInfo.class);
         validEntityBeforeSave(add);
+        // 获取父节点信息
+        BaseMeasurementUnitInfoVo query = baseMapper.selectVoById(bo.getParentId());
+
+        if (query != null) {
+            //若父节点不为空，则将父节点的ancestors拼接父节点id拼接成ancestors
+            add.setAncestors(query.getAncestors() + "," + bo.getParentId());
+        }else{
+            //若父节点为空，则ancestors仅有父节点id
+            add.setAncestors(bo.getParentId().toString());
+        }
         boolean flag = baseMapper.insert(add) > 0;
         if (flag) {
             bo.setUnitId(add.getUnitId());
@@ -104,6 +115,15 @@ public class BaseMeasurementUnitInfoServiceImpl implements IBaseMeasurementUnitI
      */
     private void validEntityBeforeSave(BaseMeasurementUnitInfo entity){
         //TODO 做一些数据校验,如唯一约束
+        if (StringUtils.isNotBlank(entity.getUnitCode())) {
+            BaseMeasurementUnitInfoBo query = new BaseMeasurementUnitInfoBo();
+            query.setUnitCode(entity.getUnitCode());
+            MPJLambdaWrapper<BaseMeasurementUnitInfo> lqw = buildQueryWrapper(query);
+            BaseMeasurementUnitInfo baseMeasurementUnitInfo =  baseMapper.selectOne(lqw);
+            if (baseMeasurementUnitInfo != null && !baseMeasurementUnitInfo.getUnitId().equals(entity.getUnitId())) {
+                throw new ServiceException("编码已存在");
+            }
+        }
     }
 
     /**
@@ -117,6 +137,14 @@ public class BaseMeasurementUnitInfoServiceImpl implements IBaseMeasurementUnitI
     public Boolean deleteWithValidByIds(Collection<Long> ids, Boolean isValid) {
         if(isValid){
             //TODO 做一些业务上的校验,判断是否需要校验
+            for (Long id : ids) {
+                //TODO 校验是否需要删除
+                BaseMeasurementUnitInfo query = new BaseMeasurementUnitInfo();
+                query.setParentId(id);
+                if (baseMapper.selectCount(Wrappers.lambdaQuery(query)) > 0) {
+                    throw new ServiceException("存在子节点,不允许删除");
+                }
+            }
         }
         return baseMapper.deleteByIds(ids) > 0;
     }