package com.iailab.module.system.service.dict;
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import cn.hutool.core.collection.CollUtil;
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import com.iailab.framework.common.enums.CommonStatusEnum;
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import com.iailab.framework.common.pojo.PageResult;
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import com.iailab.framework.common.util.collection.CollectionUtils;
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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.data.DictDataPageReqVO;
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import com.iailab.module.system.controller.admin.dict.vo.data.DictDataSaveReqVO;
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import com.iailab.module.system.dal.dataobject.dict.DictDataDO;
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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.DictDataMapper;
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import com.google.common.annotations.VisibleForTesting;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Service;
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import javax.annotation.Resource;
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import java.util.Collection;
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import java.util.Comparator;
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import java.util.List;
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import java.util.Map;
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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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* 字典数据 Service 实现类
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*
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* @author ruoyi
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*/
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@Service
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@Slf4j
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public class DictDataServiceImpl implements DictDataService {
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/**
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* 排序 dictType > sort
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*/
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private static final Comparator<DictDataDO> COMPARATOR_TYPE_AND_SORT = Comparator
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.comparing(DictDataDO::getDictType)
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.thenComparingInt(DictDataDO::getSort);
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@Resource
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private DictTypeService dictTypeService;
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@Resource
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private DictDataMapper dictDataMapper;
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@Override
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public List<DictDataDO> getDictDataList(Integer status, String dictType) {
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List<DictDataDO> list = dictDataMapper.selectListByStatusAndDictType(status, dictType);
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list.sort(COMPARATOR_TYPE_AND_SORT);
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return list;
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}
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@Override
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public PageResult<DictDataDO> getDictDataPage(DictDataPageReqVO pageReqVO) {
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return dictDataMapper.selectPage(pageReqVO);
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}
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@Override
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public DictDataDO getDictData(Long id) {
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return dictDataMapper.selectById(id);
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}
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@Override
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public Long createDictData(DictDataSaveReqVO createReqVO) {
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// 校验字典类型有效
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validateDictTypeExists(createReqVO.getDictType());
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// 校验字典数据的值的唯一性
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validateDictDataValueUnique(null, createReqVO.getDictType(), createReqVO.getValue());
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// 插入字典类型
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DictDataDO dictData = BeanUtils.toBean(createReqVO, DictDataDO.class);
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dictDataMapper.insert(dictData);
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return dictData.getId();
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}
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@Override
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public void updateDictData(DictDataSaveReqVO updateReqVO) {
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// 校验自己存在
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validateDictDataExists(updateReqVO.getId());
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// 校验字典类型有效
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validateDictTypeExists(updateReqVO.getDictType());
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// 校验字典数据的值的唯一性
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validateDictDataValueUnique(updateReqVO.getId(), updateReqVO.getDictType(), updateReqVO.getValue());
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// 更新字典类型
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DictDataDO updateObj = BeanUtils.toBean(updateReqVO, DictDataDO.class);
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dictDataMapper.updateById(updateObj);
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}
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@Override
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public void deleteDictData(Long id) {
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// 校验是否存在
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validateDictDataExists(id);
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// 删除字典数据
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dictDataMapper.deleteById(id);
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}
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@Override
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public long getDictDataCountByDictType(String dictType) {
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return dictDataMapper.selectCountByDictType(dictType);
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}
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@VisibleForTesting
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public void validateDictDataValueUnique(Long id, String dictType, String value) {
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DictDataDO dictData = dictDataMapper.selectByDictTypeAndValue(dictType, value);
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if (dictData == 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 的字典数据
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if (id == null) {
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throw exception(DICT_DATA_VALUE_DUPLICATE);
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}
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if (!dictData.getId().equals(id)) {
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throw exception(DICT_DATA_VALUE_DUPLICATE);
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}
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}
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@VisibleForTesting
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public void validateDictDataExists(Long id) {
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if (id == null) {
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return;
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}
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DictDataDO dictData = dictDataMapper.selectById(id);
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if (dictData == null) {
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throw exception(DICT_DATA_NOT_EXISTS);
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}
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}
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@VisibleForTesting
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public void validateDictTypeExists(String type) {
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DictTypeDO dictType = dictTypeService.getDictType(type);
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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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if (!CommonStatusEnum.ENABLE.getStatus().equals(dictType.getStatus())) {
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throw exception(DICT_TYPE_NOT_ENABLE);
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}
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}
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@Override
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public void validateDictDataList(String dictType, Collection<String> values) {
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if (CollUtil.isEmpty(values)) {
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return;
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}
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Map<String, DictDataDO> dictDataMap = CollectionUtils.convertMap(
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dictDataMapper.selectByDictTypeAndValues(dictType, values), DictDataDO::getValue);
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// 校验
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values.forEach(value -> {
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DictDataDO dictData = dictDataMap.get(value);
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if (dictData == null) {
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throw exception(DICT_DATA_NOT_EXISTS);
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}
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if (!CommonStatusEnum.ENABLE.getStatus().equals(dictData.getStatus())) {
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throw exception(DICT_DATA_NOT_ENABLE, dictData.getLabel());
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}
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});
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}
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@Override
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public DictDataDO getDictData(String dictType, String value) {
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return dictDataMapper.selectByDictTypeAndValue(dictType, value);
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}
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@Override
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public DictDataDO parseDictData(String dictType, String label) {
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return dictDataMapper.selectByDictTypeAndLabel(dictType, label);
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}
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@Override
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public List<DictDataDO> getDictDataListByDictType(String dictType) {
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List<DictDataDO> list = dictDataMapper.selectList(DictDataDO::getDictType, dictType);
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list.sort(Comparator.comparing(DictDataDO::getSort));
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return list;
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}
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}
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