gasWellWatch/src/main/java/com/isu/gaswellwatch/service/impl/DepartmentServiceImpl.java

package com.isu.gaswellwatch.service.impl;

import cn.hutool.core.collection.CollectionUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.isu.gaswellwatch.config.SnowflakeConfig;
import com.isu.gaswellwatch.entity.BlockDepartment;
import com.isu.gaswellwatch.service.BlockDepartmentService;
import com.isu.gaswellwatch.service.DepartmentService;
import com.isu.gaswellwatch.dao.DepartmentDao;
import com.isu.gaswellwatch.dto.*;
import com.isu.gaswellwatch.entity.Department;
import com.isu.gaswellwatch.exception.BusinessException;
import com.isu.gaswellwatch.utils.ConverterUtil;
import com.isu.gaswellwatch.vo.DepartmentVO;
import jakarta.annotation.Resource;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;

@Service("departmentService")
@Transactional(rollbackFor = Exception.class)
public class DepartmentServiceImpl extends ServiceImpl<DepartmentDao, Department> implements DepartmentService {

    @Resource
    private SnowflakeConfig snowflakeConfig;

    @Resource
    private DepartmentDao companyDao;

    @Resource
    private BlockDepartmentService blockDepartmentService;

    @Override
    public Page<DepartmentVO> page(Integer currentPage, Integer pageSize, String name, String code){
        Page<DepartmentVO> page = companyDao.page(new Page<>(currentPage, pageSize),name,code);
        return ConverterUtil.convertPage(page, DepartmentVO.class);
    }

    @Override
    public void add(DepartmentDTO companyDTO){
        //查重
        List<Department> list = list(new LambdaQueryWrapper<Department>().eq(Department::getName, companyDTO.getName()));
        if(CollectionUtil.isNotEmpty(list)) {
            throw new BusinessException("已有相同名称，请重新输入");
        }
        Long companyId = snowflakeConfig.snowflakeId();
        save(Department.builder().id(companyId).name(companyDTO.getName()).description(companyDTO.getDescription()).code(companyDTO.getCode()).build());
    }

    @Override
    public void edit(DepartmentEditDTO departmentEditDTO){
        List<Department> list = list(new LambdaQueryWrapper<Department>().eq(Department::getName, departmentEditDTO.getName()).ne(Department::getId, departmentEditDTO.getId()));
        if(CollectionUtil.isNotEmpty(list)) {
            throw new BusinessException("部门名称已存在，请重新输入");
        }
        updateById(ConverterUtil.convert(departmentEditDTO, Department.class));
    }

    @Override
    public void delete(Long id){
        //如果部门绑定了区块  不能删除
        BlockDepartment blockDepartment = blockDepartmentService.getOne(new LambdaQueryWrapper<BlockDepartment>().eq(BlockDepartment::getDepartmentId, id));
        if(blockDepartment != null){
            throw new BusinessException("该部门已被区块绑定，不能删除");
        }else {
            removeById(id);
        }
    }


}