package com.zt.modules.sys.service;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.zt.common.constant.Constant;
import com.zt.common.db.query.QueryFilter;
import com.zt.common.exception.RenException;
import com.zt.common.service.BaseService;
import com.zt.common.utils.TreeUtils;
import com.zt.core.context.UserContext;
import com.zt.modules.sys.dao.SysJobDao;
import com.zt.modules.sys.model.SysJob;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;

/**
 * SYS_JOB
 *
 * @author zt generator
 * @since 1.0.0 2020-06-04
 */
@Service
public class SysJobService extends BaseService<SysJobDao, SysJob> {
    @Autowired
    private SysJobUserService sysJobUserService;

    public List<SysJob> tree(QueryFilter queryFilter) {
        List<SysJob> list = baseDao.getList(queryFilter.getParams());
        return TreeUtils.build(list);
    }

    @Transactional(rollbackFor = Exception.class)
    public void update(SysJob entity) {
        SysJob tmp = get(entity.getId());

        TreeUtils.updateValidate(
                baseDao.selectList(new QueryWrapper<SysJob>().eq(Constant.TableColumn.IS_DELETE, Constant.Bool.NO)
                        .lambda().eq(SysJob::getTenantId, UserContext.getUser().getTenantId())), entity, tmp);

        baseDao.updateById(entity);
    }

    @Transactional(rollbackFor = Exception.class)
    public void delete(Long id) {
        // 判断是否有子职位
        if (this.getChildPosts(id).size() > 1) {
            throw new RenException("请先删除下级岗位");
        }

        // 删除职位时，删除职位用户关系表
        sysJobUserService.deleteByJobId(id);

        // 删除
        this.deleteLogic(id);
    }

    private List<SysJob> getChildPosts(Long id) {
        return baseDao.selectList(new QueryWrapper<SysJob>().eq(Constant.TableColumn.IS_DELETE, Constant.Bool.NO)
                .lambda().eq(SysJob::getPid, id));
    }
}