package ${packageName}.service.impl;

import java.util.List;
import java.util.Map;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
#foreach ($column in $columns)
#if($column.javaField == 'createTime' || $column.javaField == 'updateTime')
import com.fastbee.common.utils.DateUtils;
#break
#end
#end
import org.springframework.stereotype.Service;
import java.util.Objects;
#if($table.sub)
import java.util.ArrayList;
import org.springframework.transaction.annotation.Transactional;
import ${packageName}.domain.${subClassName};
#end
import com.fastbee.common.utils.StringUtils;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import ${packageName}.mapper.${ClassName}Mapper;
import ${packageName}.domain.${ClassName};
import ${packageName}.service.I${ClassName}Service;

/**
 * ${functionName}Service业务层处理
 *
 * @author ${author}
 * @date ${datetime}
 */
@Service
public class ${ClassName}ServiceImpl extends ServiceImpl<${ClassName}Mapper,${ClassName}> implements I${ClassName}Service {

    /**
     * 查询${functionName}
     *
     * @param ${pkColumn.javaField} 主键
     * @return ${functionName}
     */
    @Override
    @Cacheable(cacheNames = "${ClassName}", key = "#${pkColumn.javaField}")
    // 查询时更新key缓存，更新和删除时删除缓存，新增时不更新，下一次查询会更新缓存
    public ${ClassName} queryByIdWithCache(${pkColumn.javaType} ${pkColumn.javaField}){
        return this.getById(${pkColumn.javaField});
    }

    /**
     * 查询${functionName}
     *
     * @param ${pkColumn.javaField} 主键
     * @return ${functionName}
     */
    @Override
    @Cacheable(cacheNames = "${ClassName}", key = "#${pkColumn.javaField}")
    // 查询时更新key缓存，更新和删除时删除缓存，新增时不更新，下一次查询会更新缓存
    public ${ClassName} select${ClassName}ById(${pkColumn.javaType} ${pkColumn.javaField}){
        return this.getById(${pkColumn.javaField});
    }

    /**
     * 查询${functionName}列表
     *
     * @param ${className} ${functionName}
     * @return ${functionName}
     */
    @Override
    public List<${ClassName}> select${ClassName}List(${ClassName} ${className}) {
        LambdaQueryWrapper<${ClassName}> lqw = buildQueryWrapper(${className});
        return baseMapper.selectList(lqw);
    }

    private LambdaQueryWrapper<${ClassName}> buildQueryWrapper(${ClassName} query) {
        Map<String, Object> params = query.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(query.get'+$AttrName+'())')
                    #else
                        #set($condition='query.get'+$AttrName+'() != null')
                    #end
                    lqw.$mpMethod($condition, ${ClassName}::get$AttrName, query.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

        if (!Objects.isNull(params.get("beginTime")) &&
        !Objects.isNull(params.get("endTime"))) {
            lqw.between(${ClassName}::getCreateTime, params.get("beginTime"), params.get("endTime"));
        }
        return lqw;
    }

    /**
     * 新增${functionName}
     *
     * @param add ${functionName}
     * @return 是否新增成功
     */
    @Override
    public Boolean insertWithCache(${ClassName} add) {
        validEntityBeforeSave(add);
        return this.save(add);
    }

    /**
     * 修改${functionName}
     *
     * @param update ${functionName}
     * @return 是否修改成功
     */
    @Override
    @CacheEvict(cacheNames = "${ClassName}", key = "#update.${pkColumn.javaField}")
    public Boolean updateWithCache(${ClassName} update) {
        validEntityBeforeSave(update);
        return this.updateById(update);
    }

    /**
     * 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
    }

    /**
     * 校验并批量删除${functionName}信息
     *
     * @param ids     待删除的主键集合
     * @param isValid 是否进行有效性校验
     * @return 是否删除成功
     */
    @Override
    @CacheEvict(cacheNames = "${ClassName}", keyGenerator = "deleteKeyGenerator" )
    public Boolean deleteWithCacheByIds(${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 this.removeByIds(Arrays.asList(ids));
    }

}