package com.yeshi.fanli.service.impl.config;
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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.user.SpreadImgMapper;
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import com.yeshi.fanli.entity.bus.invite.SpreadImg;
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import com.yeshi.fanli.service.inter.config.SpreadImgService;
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@Service
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public class SpreadImgServiceImpl implements SpreadImgService {
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@Resource
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private SpreadImgMapper spreadImgMapper;
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@Override
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public void deleteInviteFriendImg(long id) {
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spreadImgMapper.deleteByPrimaryKey(id);
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}
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@Override
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public SpreadImg getInviteSpreadImg(long id) {
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return spreadImgMapper.selectByPrimaryKey(id);
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}
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@Override
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public void saveObject(MultipartFile file, SpreadImg record) throws Exception{
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String picture = null;
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if (file != null) {
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picture = uploadPicture(file);
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}
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Long id = record.getId();
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if (id == null) {
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record.setUrl(picture);
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record.setCreatetime(new Date());
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spreadImgMapper.insert(record);
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} else {
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// 修改
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SpreadImg resultObj = spreadImgMapper.selectByPrimaryKey(id);
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if (resultObj == null) {
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throw new Exception("修改内容已不存在");
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}
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if (picture != null && picture.trim().length() > 0) {
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// 删除已存在图片
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removePicture(resultObj.getUrl());
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record.setUrl(picture);
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} else {
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record.setUrl(resultObj.getUrl());
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}
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record.setCreatetime(resultObj.getCreatetime());
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spreadImgMapper.updateByPrimaryKey(record);
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}
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}
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/**
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* 上传图片
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* @param file
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* @return
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* @throws Exception
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*/
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public String uploadPicture(MultipartFile file) throws Exception {
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// 文件解析
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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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// 文件路径
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String filePath="/img/invite/"+UUID.randomUUID().toString().replace("-", "") + "." + type;
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// 执行上传
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return COSManager.getInstance().uploadFile(inputStream, filePath).getUrl();
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}
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/**
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* 删除图片
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* @param record
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* @throws Exception
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*/
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public void removePicture(String picture) throws Exception {
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if (picture != null && picture.trim().length() > 0) {
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COSManager.getInstance().deleteFile(picture);
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}
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}
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@Override
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public List<SpreadImg> listQuery(int start, int pageSize, String key) {
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return spreadImgMapper.listQuery(start, pageSize, key);
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}
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@Override
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public long countQuery(String key) {
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return spreadImgMapper.countQuery(key);
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}
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}
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