package com.bofeng.service; import com.baomidou.mybatisplus.toolkit.IdWorker; import com.bofeng.dao.PlaceMapper; import com.bofeng.dao.RoomMapper; import com.bofeng.entity.Place; import com.google.common.base.Strings; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import org.springframework.transaction.annotation.Transactional; import java.util.List; @Service @Transactional(readOnly = true) public class PlaceService { @Autowired private PlaceMapper placeMapper; @Autowired private RoomMapper roomMapper; public List selectAll() { return placeMapper.selectAll(); } public List selectAllPlace() { return placeMapper.selectAllPlace(); } @Transactional public String insert(Place place) { if (Strings.isNullOrEmpty(place.getPlaceName())) { return "场次名称不能为空"; } place.setPlaceId(IdWorker.getId()); int count = placeMapper.checkPlaceNameCount(place); if (count > 0) { return "场次名称不能重复"; } placeMapper.insert(place); return ""; } @Transactional public String updateById(Place place) { if (Strings.isNullOrEmpty(place.getPlaceName())) { return "场次名称不能为空"; } int count = placeMapper.checkPlaceNameCount(place); if (count > 0) { return "场次名称不能重复"; } placeMapper.updateById(place); return ""; } public Place getById(Long placeId) { return placeMapper.selectById(placeId); } public List getByUserId(Long userId) { return placeMapper.selectByUserId(userId); } @Transactional public int deleteById(Long placeId) { int effect = 0; effect += roomMapper.deleteByPlaceId(placeId); effect += placeMapper.deleteById(placeId); return effect; } }