package cn.stylefeng.guns.sys.core.util;
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import cn.hutool.core.io.FileUtil;
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import cn.stylefeng.guns.base.consts.ConstantsContext;
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import cn.stylefeng.guns.sys.core.listener.ConfigListener;
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import cn.stylefeng.guns.sys.modular.system.model.UeditorFileResult;
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import cn.stylefeng.roses.core.util.ToolUtil;
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import cn.stylefeng.roses.kernel.model.exception.ServiceException;
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import com.baomidou.mybatisplus.core.toolkit.IdWorker;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.web.multipart.MultipartFile;
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import javax.servlet.http.HttpServletResponse;
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import java.io.File;
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import java.io.IOException;
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import java.io.OutputStream;
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import static cn.stylefeng.guns.sys.core.exception.enums.BizExceptionEnum.*;
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/**
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* 百度富文本的工具类
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*
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* @author fengshuonan
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* @Date 2019/8/26 15:27
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*/
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@Slf4j
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public class UeditorUtil {
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/**
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* ue上传文件逻辑
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*
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* @author fengshuonan
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* @Date 2019-08-27 12:54
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*/
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public static UeditorFileResult uploadFile(MultipartFile upfile, FileType fileType) {
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if (upfile.isEmpty()) {
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throw new ServiceException(UE_FILE_NULL_ERROR);
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}
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// 获取文件名,后缀名
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String oldFileName = upfile.getOriginalFilename();
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String suffixName = ToolUtil.getFileSuffix(oldFileName);
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// 重新命名图片
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String newFileName = IdWorker.getIdStr() + "." + suffixName;
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UeditorFileResult ueditorFileResult = new UeditorFileResult();
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String path = null;
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// 如果是上传图片
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if (fileType.equals(FileType.IMG)) {
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ueditorFileResult.setUrl(UeditorUtil.getImageRelativeUrl(newFileName));
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ueditorFileResult.setTitle(newFileName);
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ueditorFileResult.setOriginal(newFileName);
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//文件用原始文件
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path = ConstantsContext.getFileUploadPath() + newFileName;
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} else if (fileType.equals(FileType.FILE)) {
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// 如果是上传文件
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ueditorFileResult.setUrl(UeditorUtil.getFileRelativeUrl(newFileName) + "/" + oldFileName);
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ueditorFileResult.setTitle(oldFileName);
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ueditorFileResult.setOriginal(oldFileName);
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//文件用原始文件
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path = ConstantsContext.getFileUploadPath() + newFileName;
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} else {
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// 如果是上传视频
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ueditorFileResult.setUrl(UeditorUtil.getVideoRelativeUrl(newFileName));
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ueditorFileResult.setTitle(newFileName);
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ueditorFileResult.setOriginal(newFileName);
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//文件用原始文件
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path = ConstantsContext.getFileUploadPath() + newFileName;
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}
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try {
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File dest = new File(path);
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if (!dest.getParentFile().exists()) {
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dest.getParentFile().mkdirs();
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}
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upfile.transferTo(dest);
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return ueditorFileResult;
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} catch (IOException e) {
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log.error("保存ue的上传文件出错！", e);
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throw new ServiceException(UE_FILE_SAVE_ERROR);
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}
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}
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/**
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* 读取文件
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*
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* @author fengshuonan
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* @Date 2019-08-27 13:02
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*/
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public static void readFile(String fileName, HttpServletResponse response, FileType fileType, String orginalName) {
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if (ToolUtil.isEmpty(fileName)) {
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throw new ServiceException(UE_FILE_NULL_ERROR);
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}
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//获取文件路径
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String path = ConstantsContext.getFileUploadPath() + fileName;
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File file = new File(path);
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//文件不存在或者不可读
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if (!file.exists() || !file.canRead()) {
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throw new ServiceException(UE_FILE_NULL_ERROR);
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}
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//读取文件
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byte[] bytes = null;
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//设置响应的类型
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if (fileType.equals(FileType.IMG)) {
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response.setContentType("image/png");
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bytes = FileUtil.readBytes(file);
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} else if (fileType.equals(FileType.FILE)) {
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response.setContentType("multipart/form-data;charset=utf-8");
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//判断文件是否已经被重命名
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String newFilePath = ConstantsContext.getFileUploadPath() + orginalName;
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File newFile = new File(newFilePath);
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if (!newFile.exists()) {
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newFile = UeditorUtil.reName(file, orginalName);
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}
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bytes = FileUtil.readBytes(newFile);
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} else {
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response.setContentType("video/x-sgi-movie");
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bytes = FileUtil.readBytes(file);
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}
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try {
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OutputStream stream = response.getOutputStream();
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stream.write(bytes);
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} catch (IOException e) {
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log.error("读取文件错误！", e);
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throw new ServiceException(UE_FILE_READ_ERROR);
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}
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}
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/**
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* 获取图片相对路径
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*
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* @author fengshuonan
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* @Date 2019/8/26 15:21
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*/
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private static String getImageRelativeUrl(String imageName) {
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String contextPath = ConfigListener.getConf().get("contextPath");
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return contextPath + "/ueditor/images/" + imageName;
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}
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/**
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* 获取文件相对路径
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*
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* @author fengshuonan
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* @Date 2019/8/26 15:22
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*/
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private static String getFileRelativeUrl(String imageName) {
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String contextPath = ConfigListener.getConf().get("contextPath");
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return contextPath + "/ueditor/file/" + imageName;
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}
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/**
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* 获取视频相对路径
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*
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* @author fengshuonan
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* @Date 2019/8/26 15:22
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*/
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private static String getVideoRelativeUrl(String imageName) {
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String contextPath = ConfigListener.getConf().get("contextPath");
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return contextPath + "/ueditor/video/" + imageName;
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}
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/**
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* 文件重命名
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*
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* @author fengshuonan
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* @Date 2019/8/26 15:23
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*/
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private static File reName(File file, String newName) {
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if (file.exists()) {
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//创建新名字的抽象文件
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File newfile = new File(file.getParent() + File.separator + newName);
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if (file.renameTo(newfile)) {
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log.info("重命名成功！");
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return newfile;
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} else {
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log.info("重命名失败！新文件名已存在!");
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return file;
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}
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} else {
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log.info("重命名文件不存在！");
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return file;
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}
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}
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/**
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* 文件类型
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*
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* @author fengshuonan
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* @Date 2019-08-27 12:52
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*/
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public enum FileType {
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/**
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* 图片类型
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*/
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IMG,
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/**
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* 文件类型
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*/
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FILE,
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/**
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* 视频类型
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*/
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VIDEO
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}
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}
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