rlzc-ai/ruoyi-modules/ruoyi-generator/src/main/resources/vm/java/serviceImpl.java.vm

package ${packageName}.service.impl;

import org.dromara.common.core.utils.MapstructUtils;
import org.dromara.common.core.utils.StringUtils;
#if($table.crud || $table.sub)
import org.dromara.common.mybatis.core.page.TableDataInfo;
import org.dromara.common.mybatis.core.page.PageQuery;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
#end
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import ${packageName}.domain.bo.${ClassName}Bo;
import ${packageName}.domain.vo.${ClassName}Vo;
import ${packageName}.domain.${ClassName};
import ${packageName}.mapper.${ClassName}Mapper;
import ${packageName}.service.I${ClassName}Service;

import java.util.List;
import java.util.Map;
import java.util.Collection;

/**
 * ${functionName}Service业务层处理
 *
 * @author ${author}
 * @date ${datetime}
 */
@RequiredArgsConstructor
@Service
public class ${ClassName}ServiceImpl implements I${ClassName}Service {

    private final ${ClassName}Mapper baseMapper;

    /**
     * 查询${functionName}
     */
    @Override
    public ${ClassName}Vo queryById(${pkColumn.javaType} ${pkColumn.javaField}){
        return baseMapper.selectVoById(${pkColumn.javaField});
    }

#if($table.crud || $table.sub)
    /**
     * 查询${functionName}列表
     */
    @Override
    public TableDataInfo<${ClassName}Vo> queryPageList(${ClassName}Bo bo, PageQuery pageQuery) {
        LambdaQueryWrapper<${ClassName}> lqw = buildQueryWrapper(bo);
        Page<${ClassName}Vo> result = baseMapper.selectVoPage(pageQuery.build(), lqw);
        return TableDataInfo.build(result);
    }
#end

    /**
     * 查询${functionName}列表
     */
    @Override
    public List<${ClassName}Vo> queryList(${ClassName}Bo bo) {
        LambdaQueryWrapper<${ClassName}> lqw = buildQueryWrapper(bo);
        return baseMapper.selectVoList(lqw);
    }

    private LambdaQueryWrapper<${ClassName}> buildQueryWrapper(${ClassName}Bo bo) {
        Map<String, Object> params = bo.getParams();
        LambdaQueryWrapper<${ClassName}> lqw = Wrappers.lambdaQuery();
#foreach($column in $columns)
#if($column.query)
#set($queryType=$column.queryType)
#set($javaField=$column.javaField)
#set($javaType=$column.javaType)
#set($columnName=$column.columnName)
#set($AttrName=$column.javaField.substring(0,1).toUpperCase() + ${column.javaField.substring(1)})
#set($mpMethod=$column.queryType.toLowerCase())
#if($queryType != 'BETWEEN')
#if($javaType == 'String')
#set($condition='StringUtils.isNotBlank(bo.get'+$AttrName+'())')
#else
#set($condition='bo.get'+$AttrName+'() != null')
#end
        lqw.$mpMethod($condition, ${ClassName}::get$AttrName, bo.get$AttrName());
#else
        lqw.between(params.get("begin$AttrName") != null && params.get("end$AttrName") != null,
            ${ClassName}::get$AttrName ,params.get("begin$AttrName"), params.get("end$AttrName"));
#end
#end
#end
        return lqw;
    }

    /**
     * 新增${functionName}
     */
    @Override
    public Boolean insertByBo(${ClassName}Bo bo) {
        ${ClassName} add = MapstructUtils.convert(bo, ${ClassName}.class);
        validEntityBeforeSave(add);
        boolean flag = baseMapper.insert(add) > 0;
#set($pk=$pkColumn.javaField.substring(0,1).toUpperCase() + ${pkColumn.javaField.substring(1)})
        if (flag) {
            bo.set$pk(add.get$pk());
        }
        return flag;
    }

    /**
     * 修改${functionName}
     */
    @Override
    public Boolean updateByBo(${ClassName}Bo bo) {
        ${ClassName} update = MapstructUtils.convert(bo, ${ClassName}.class);
        validEntityBeforeSave(update);
        return baseMapper.updateById(update) > 0;
    }

    /**
     * 保存前的数据校验
     */
    private void validEntityBeforeSave(${ClassName} entity){
        //TODO 做一些数据校验,如唯一约束
    }

    /**
     * 批量删除${functionName}
     */
    @Override
    public Boolean deleteWithValidByIds(Collection<${pkColumn.javaType}> ids, Boolean isValid) {
        if(isValid){
            //TODO 做一些业务上的校验,判断是否需要校验
        }
        return baseMapper.deleteBatchIds(ids) > 0;
    }
}