package com.yeshi.fanli.service.impl.help;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.Date;
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import java.util.List;
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import java.util.UUID;
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import javax.annotation.Resource;
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import org.springframework.stereotype.Service;
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import org.springframework.web.multipart.MultipartFile;
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import org.yeshi.utils.tencentcloud.COSManager;
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import com.yeshi.fanli.dao.mybatis.help.HelpClassMapper;
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import com.yeshi.fanli.entity.bus.help.HelpClass;
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import com.yeshi.fanli.exception.config.HelpClassException;
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import com.yeshi.fanli.service.inter.help.HelpClassService;
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import com.yeshi.fanli.util.StringUtil;
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@Service
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public class HelpClassServiceImpl implements HelpClassService {
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@Resource
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private HelpClassMapper helpClassMapper;
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@Override
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public int deleteByPrimaryKeyBatch(List<Long> list) {
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return helpClassMapper.deleteByPrimaryKeyBatch(list);
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}
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@Override
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public HelpClass selectByPrimaryKey(Long id) {
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return helpClassMapper.selectByPrimaryKey(id);
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}
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@Override
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public void save(HelpClass helpClass) throws HelpClassException {
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if (helpClass == null) {
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throw new HelpClassException(1, "参数不能为空");
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}
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if (helpClass.getId() == null) {
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String name = helpClass.getName();
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if (StringUtil.isNullOrEmpty(name)) {
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throw new HelpClassException(1, "名称不能为空");
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}
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// 默认不显示
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helpClass.setShowState(0);
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// 排序-末尾
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int maxOrder = helpClassMapper.getMaxOrder();
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helpClass.setSort(maxOrder + 1);
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helpClass.setCreateTime(new Date());
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helpClass.setUpdateTime(new Date());
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helpClassMapper.insertSelective(helpClass);
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} else {
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helpClass.setUpdateTime(new Date());
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helpClassMapper.updateByPrimaryKeySelective(helpClass);
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}
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}
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@Override
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public int updateShowState(Long id) throws HelpClassException {
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if (id == null) {
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throw new HelpClassException(1, "传递参数不能为空");
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}
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HelpClass helpClass = helpClassMapper.selectByPrimaryKey(id);
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if (helpClass == null) {
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throw new HelpClassException(1, "更新数据已不存在");
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}
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Integer showState = helpClass.getShowState();
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if (showState == null || showState == 0) {
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showState = 1;
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} else {
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showState = 0;
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}
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HelpClass help = new HelpClass();
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help.setId(id);
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help.setShowState(showState);
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help.setUpdateTime(new Date());
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helpClassMapper.updateByPrimaryKeySelective(help);
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return showState;
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}
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@Override
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public void updateSort(Integer moveType, Long id) throws HelpClassException {
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if (id == null || moveType == null) {
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throw new HelpClassException(1, "传递参数不能为空");
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}
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HelpClass helpClass = helpClassMapper.selectByPrimaryKey(id);
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if (helpClass == null) {
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throw new HelpClassException(1, "更新数据已不存在");
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}
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HelpClass changeObjct = helpClassMapper.getChangeOrder(moveType, helpClass.getSort());
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if (changeObjct == null) {
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throw new HelpClassException(1, "已经是最边缘位置");
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} else {
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Integer changeSort = changeObjct.getSort();
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// 交换排序序号
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changeObjct.setSort(helpClass.getSort());
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helpClassMapper.updateByPrimaryKeySelective(changeObjct);
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helpClass.setSort(changeSort);
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helpClassMapper.updateByPrimaryKeySelective(helpClass);
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}
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}
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@Override
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public void uploadPic(MultipartFile file, Long id) throws HelpClassException, IOException {
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if (id == null || file == null) {
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throw new HelpClassException(1, "传递参数不能为空");
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}
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HelpClass helpClass = helpClassMapper.selectByPrimaryKey(id);
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if (helpClass == null) {
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throw new HelpClassException(1, "更新数据已不存在");
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}
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InputStream inputStream = file.getInputStream();
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String contentType = file.getContentType();
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String type = contentType.substring(contentType.indexOf("/") + 1);
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String filePath ="/img/HelpClass/" + UUID.randomUUID().toString().replace("-", "") + "." + type;
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/* 修改图片时，先删除已存在图片 */
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String picture = helpClass.getPicture();
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if (!StringUtil.isNullOrEmpty(picture)) {
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COSManager.getInstance().deleteFile(picture);
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}
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String fileUrl = COSManager.getInstance().uploadFile(inputStream, filePath).getUrl();
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/* 更新数据库信息 */
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if (!StringUtil.isNullOrEmpty(fileUrl)) {
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helpClass.setUpdateTime(new Date());
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helpClass.setPicture(fileUrl);
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helpClassMapper.updateByPrimaryKeySelective(helpClass);
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}
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}
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@Override
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public List<HelpClass> query(int start, int count, String key, Integer state)
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throws HelpClassException {
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return helpClassMapper.listQuery(start, count, key, state);
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}
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@Override
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public long countQuery(String key, Integer state) {
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return helpClassMapper.countQuery(key, state);
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}
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@Override
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public List<HelpClass> getClassByState(Integer state) throws HelpClassException {
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return helpClassMapper.getClassByState(state);
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}
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@Override
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public List<HelpClass> getProvidedClass() throws HelpClassException {
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return helpClassMapper.getProvidedClass();
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}
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}
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