package com.kidgrow.filecenter.service.impl;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.kidgrow.common.model.PageResult;
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import com.kidgrow.filecenter.mapper.FileMapper;
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import com.kidgrow.filecenter.model.FileInfo;
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import com.kidgrow.filecenter.service.IFileService;
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import com.kidgrow.filecenter.util.FileUtil;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.collections4.MapUtils;
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import org.springframework.web.multipart.MultipartFile;
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import java.util.List;
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import java.util.Map;
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/**
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* 石家庄喜高科技有限责任公司 版权所有 © Copyright 2020<br>
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*
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* @Description: <br>
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* @Project: <br>
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* @CreateDate: Created in 2020/2/18 11:24 <br>
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* @Author: <a href="4345453@kidgrow.com">liuke</a>
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*/
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@Slf4j
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public abstract class AbstractIFileService extends ServiceImpl<FileMapper, FileInfo> implements IFileService {
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private static final String FILE_SPLIT = ".";
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@Override
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public FileInfo upload(MultipartFile file) throws Exception {
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FileInfo fileInfo = FileUtil.getFileInfo(file);
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FileInfo oldFileInfo = baseMapper.selectById(fileInfo.getId());
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if (oldFileInfo != null) {
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return oldFileInfo;
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}
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if (!fileInfo.getName().contains(FILE_SPLIT)) {
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throw new IllegalArgumentException("缺少后缀名");
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}
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uploadFile(file, fileInfo);
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// 设置文件来源
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fileInfo.setSource(fileType());
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// 将文件信息保存到数据库
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baseMapper.insert(fileInfo);
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return fileInfo;
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}
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@Override
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public FileInfo upload(MultipartFile file,String imgType) throws Exception {
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FileInfo fileInfo = FileUtil.getFileInfo(file);
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FileInfo oldFileInfo = baseMapper.selectById(fileInfo.getId());
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if (oldFileInfo != null) {
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return oldFileInfo;
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}
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if (!fileInfo.getName().contains(FILE_SPLIT)) {
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throw new IllegalArgumentException("缺少后缀名");
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}
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fileInfo.setImgType(imgType); // X光片或者Logo
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uploadFile(file, fileInfo);
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// 设置文件来源
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fileInfo.setSource(fileType());
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// 将文件信息保存到数据库
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baseMapper.insert(fileInfo);
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return fileInfo;
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}
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/**
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* 文件来源
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*
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* @return
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*/
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protected abstract String fileType();
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/**
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* 上传文件
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*
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* @param file
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* @param fileInfo
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*/
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protected abstract void uploadFile(MultipartFile file, FileInfo fileInfo) throws Exception;
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/**
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* 删除文件
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* @param id 文件id
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*/
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@Override
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public void delete(String id) {
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FileInfo fileInfo = baseMapper.selectById(id);
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if (fileInfo != null) {
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baseMapper.deleteById(fileInfo.getId());
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this.deleteFile(fileInfo);
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}
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}
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/**
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* 删除文件资源
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*
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* @param fileInfo
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* @return
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*/
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protected abstract boolean deleteFile(FileInfo fileInfo);
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@Override
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public PageResult<FileInfo> findList(Map<String, Object> params) {
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Page<FileInfo> page = new Page<>(MapUtils.getInteger(params, "page"), MapUtils.getInteger(params, "limit"));
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List<FileInfo> list = baseMapper.findList(page, params);
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return PageResult.<FileInfo>builder().data(list).code(0).count(page.getTotal()).build();
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}
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}
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