package com.iailab.module.system.service.dict;
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import cn.hutool.core.util.StrUtil;
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import com.iailab.framework.common.pojo.PageResult;
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import com.iailab.framework.common.util.date.LocalDateTimeUtils;
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import com.iailab.framework.common.util.object.BeanUtils;
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import com.iailab.module.system.controller.admin.dict.vo.type.DictTypePageReqVO;
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import com.iailab.module.system.controller.admin.dict.vo.type.DictTypeSaveReqVO;
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import com.iailab.module.system.dal.dataobject.dict.DictTypeDO;
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import com.iailab.module.system.dal.mysql.dict.DictTypeMapper;
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import com.google.common.annotations.VisibleForTesting;
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import org.springframework.stereotype.Service;
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import javax.annotation.Resource;
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import java.time.LocalDateTime;
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import java.util.List;
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import static com.iailab.framework.common.exception.util.ServiceExceptionUtil.exception;
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import static com.iailab.module.system.enums.ErrorCodeConstants.*;
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/**
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* 字典类型 Service 实现类
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*
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* @author iailab
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*/
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@Service
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public class DictTypeServiceImpl implements DictTypeService {
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@Resource
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private DictDataService dictDataService;
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@Resource
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private DictTypeMapper dictTypeMapper;
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@Override
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public PageResult<DictTypeDO> getDictTypePage(DictTypePageReqVO pageReqVO) {
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return dictTypeMapper.selectPage(pageReqVO);
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}
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@Override
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public DictTypeDO getDictType(Long id) {
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return dictTypeMapper.selectById(id);
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}
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@Override
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public DictTypeDO getDictType(String type) {
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return dictTypeMapper.selectByType(type);
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}
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@Override
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public Long createDictType(DictTypeSaveReqVO createReqVO) {
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// 校验字典类型的名字的唯一性
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validateDictTypeNameUnique(null, createReqVO.getName());
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// 校验字典类型的类型的唯一性
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validateDictTypeUnique(null, createReqVO.getType());
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// 插入字典类型
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DictTypeDO dictType = BeanUtils.toBean(createReqVO, DictTypeDO.class);
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dictType.setDeletedTime(LocalDateTimeUtils.EMPTY); // 唯一索引,避免 null 值
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dictTypeMapper.insert(dictType);
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return dictType.getId();
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}
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@Override
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public void updateDictType(DictTypeSaveReqVO updateReqVO) {
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// 校验自己存在
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validateDictTypeExists(updateReqVO.getId());
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// 校验字典类型的名字的唯一性
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validateDictTypeNameUnique(updateReqVO.getId(), updateReqVO.getName());
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// 校验字典类型的类型的唯一性
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validateDictTypeUnique(updateReqVO.getId(), updateReqVO.getType());
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// 更新字典类型
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DictTypeDO updateObj = BeanUtils.toBean(updateReqVO, DictTypeDO.class);
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dictTypeMapper.updateById(updateObj);
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}
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@Override
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public void deleteDictType(Long id) {
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// 校验是否存在
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DictTypeDO dictType = validateDictTypeExists(id);
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// 校验是否有字典数据
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if (dictDataService.getDictDataCountByDictType(dictType.getType()) > 0) {
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throw exception(DICT_TYPE_HAS_CHILDREN);
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}
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// 删除字典类型
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dictTypeMapper.updateToDelete(id, LocalDateTime.now());
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}
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@Override
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public List<DictTypeDO> getDictTypeList() {
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return dictTypeMapper.selectList();
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}
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@VisibleForTesting
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void validateDictTypeNameUnique(Long id, String name) {
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DictTypeDO dictType = dictTypeMapper.selectByName(name);
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if (dictType == null) {
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return;
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}
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// 如果 id 为空,说明不用比较是否为相同 id 的字典类型
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if (id == null) {
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throw exception(DICT_TYPE_NAME_DUPLICATE);
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}
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if (!dictType.getId().equals(id)) {
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throw exception(DICT_TYPE_NAME_DUPLICATE);
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}
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}
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@VisibleForTesting
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void validateDictTypeUnique(Long id, String type) {
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if (StrUtil.isEmpty(type)) {
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return;
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}
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DictTypeDO dictType = dictTypeMapper.selectByType(type);
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if (dictType == null) {
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return;
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}
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// 如果 id 为空,说明不用比较是否为相同 id 的字典类型
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if (id == null) {
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throw exception(DICT_TYPE_TYPE_DUPLICATE);
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}
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if (!dictType.getId().equals(id)) {
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throw exception(DICT_TYPE_TYPE_DUPLICATE);
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}
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}
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@VisibleForTesting
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DictTypeDO validateDictTypeExists(Long id) {
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if (id == null) {
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return null;
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}
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DictTypeDO dictType = dictTypeMapper.selectById(id);
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if (dictType == null) {
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throw exception(DICT_TYPE_NOT_EXISTS);
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}
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return dictType;
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}
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}
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