package ${package.ServiceImpl};

import cn.stylefeng.roses.core.page.PageFactory;
import cn.stylefeng.roses.kernel.model.page.PageResult;
import ${package.Entity}.${entity};
import ${package.Mapper}.${table.mapperName};
import ${package.EntitySpecParams}.${entity}Param;
import ${package.EntitySpecResult}.${entity}Result;
import  ${package.Service}.${table.serviceName};
import cn.stylefeng.roses.core.util.ToolUtil;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import ${superServiceImplClassPackage};
import org.springframework.stereotype.Service;

import java.io.Serializable;
import java.util.List;

/**
 * <p>
 * $!{table.comment} 服务实现类
 * </p>
 *
 * @author ${author}
 * @since ${date}
 */
@Service
#if(${kotlin})
open class ${table.serviceImplName} : ${superServiceImplClass}<${table.mapperName}, ${entity}>(), ${table.serviceName} {

}
#else
public class ${table.serviceImplName} extends ${superServiceImplClass}<${table.mapperName}, ${entity}> implements ${table.serviceName} {

    @Override
    public void add(${entity}Param param){
        ${entity} entity = getEntity(param);
        this.save(entity);
    }

    @Override
    public void delete(${entity}Param param){
        this.removeById(getKey(param));
    }

    @Override
    public void update(${entity}Param param){
        ${entity} oldEntity = getOldEntity(param);
        ${entity} newEntity = getEntity(param);
        ToolUtil.copyProperties(newEntity, oldEntity);
        this.updateById(newEntity);
    }

    @Override
    public ${entity}Result findBySpec(${entity}Param param){
        return null;
    }

    @Override
    public List<${entity}Result> findListBySpec(${entity}Param param){
        return null;
    }

    @Override
    public PageResult<${entity}Result> findPageBySpec(${entity}Param param){
        Page pageContext = getPageContext();
        IPage<${entity}Result> page = this.baseMapper.customPageList(pageContext, param);
        return new PageResult<>(page);
    }

    private Serializable getKey(${entity}Param param){
        #set( $haveNoKey = true )
        #foreach($field in ${table.fields})
        #if(${field.keyFlag})
        #set( $haveNoKey = false )
        return param.get${field.capitalName}();
        #end
        #end
        #if(${haveNoKey})
        return null;
        #end
    }

    private Page getPageContext() {
        return PageFactory.defaultPage();
    }

    private ${entity} getOldEntity(${entity}Param param) {
        return this.getById(getKey(param));
    }

    private ${entity} getEntity(${entity}Param param) {
        ${entity} entity = new ${entity}();
        ToolUtil.copyProperties(param, entity);
        return entity;
    }

}
#end