优化回调保存接口（若传递文件id则每次保存只更新文件）

src/main/java/com/oo/demo/controller/OnlyOfficeController.java

      * 6 - 正在编辑文档，但保存当前文档状态
      * 7 - 强制保存文档时发生错误
      */
-    @RequestMapping("/onlyOffice/save")
+    @RequestMapping("/onlyOffice/save/{fileId}")
     @ResponseBody
-    public void saveFile(HttpServletRequest request, HttpServletResponse response) {
+    public void saveFile(HttpServletRequest request, HttpServletResponse response,@PathVariable(required = false) String fileId) {
         PrintWriter writer = null;
         try {
             writer = response.getWriter();
             Scanner scanner = new Scanner(request.getInputStream()).useDelimiter("\\A");
             String body = scanner.hasNext() ? scanner.next() : "";
             JSONObject jsonObject = JSONObject.parseObject(body);
+            if(fileId!=null){
+                jsonObject.put("fileId",fileId);
+            }else{
+                jsonObject.put("fileId","");
+            }
             log.info("{}", jsonObject);
             WebsocketResult result = fileService.documentSave(jsonObject);
             /*
                 userId = userSession.getId();
             }
             WebSocketServer.sendInfo(JSON.toJSONString(result.getOnFile()), userId);
-            if (Objects.nonNull(writer)) {
-                writer.write("{\"error\":0}");
-            }
+//            if (Objects.nonNull(writer)) {
+//                writer.write("{\"error\":0}");
+//            }
+            writer.write("{\"error\":0}");
         } catch (Exception e) {
             e.printStackTrace();
             log.info("报错信息" + e.getMessage());

src/main/java/com/oo/demo/service/DemoService.java

 
     }
 
+    /**
+     * 存储onlyoffice文件信息
+     * @param map     文件元信息
+     * @param file    文件
+     * @param changes 文件变动信息
+     * @param fileId 文件id
+     * @return
+     */
     @Override
-    public Map<String, Object> save(Map<String, Object> map, byte[] file, byte[] changes, String key) {
-        String fileId = "";
+    public Map<String, Object> save(Map<String, Object> map, byte[] file, byte[] changes, String fileId) {
         try {
+        if(fileId!=null&&fileId!=""){
+            onFileService.updateFileByFileId(file, map.get("fileType").toString(),fileId);
+        }else{
+            fileId = "";
             fileId = onFileService.saveFile(file, map.get("fileType").toString());
+        }
         } catch (Exception e) {
             e.printStackTrace();
         }

src/main/java/com/oo/demo/service/FileService.java

     public WebsocketResult documentSave(JSONObject jsonObject) {
         WebsocketResult result = new WebsocketResult();
         String key = "";
+        String fileId = jsonObject.getString("fileId");
         try {
             int status = jsonObject.getIntValue("status");
             log.info("status[{}]", status);
                 key = jsonObject.getString("key");
                 log.info("key:" + JSON.toJSONString(key));
                 //文件id
-                String fileId = onlyServiceAPI.getFileId(key);
+                Boolean isexistid = false;
+                if (fileId != null && !"".equals(fileId)) {
+                    isexistid = true;
+                }
+                if (!isexistid) {
+                    fileId = onlyServiceAPI.getFileId(key);
+                }
                 log.info("fileId:" + JSON.toJSONString(fileId));
                 if (fileId != null && !"".equals(fileId)) {
                     //查询之前FileId对应的文件信息
                 //处理文件的保存
                 OnFile file = onlyServiceAPI.handlerStatus(jsonObject);
                 //查询相同案件最新版本的文件信息
-                file = getNewFileInofoByCaseId(file.getCaseId());
+                if (fileId != null && !"".equals(fileId)) {
+                    file = getNewFileInofoByFileId(fileId);
+                } else {
+                    file = getNewFileInofoByCaseId(file.getCaseId());
+                }
                 result = WebsocketResult.builder().onFile(file).userId(SecurityUtils.getUserSession().getId()).build();
                 log.info("处理文件的保存:" + JSON.toJSONString(jsonObject));
                 log.info("保存文件结束");
                 return result;
             } else if (0 == status || 2 == status || 4 == status) {
                 onlyServiceAPI.close(jsonObject);
+                log.info("文件关闭====",status);
             } else if (3 == status || 7 == status) {
                 //保存文档错误
                 onlyServiceAPI.close(jsonObject);
+                log.info("保存文档错误====",status);
             } else if (1 == status) {
+                log.info("文件正在编辑====",status);
                 //文件服务的回调  获取key判断当前文档有多少人在这使用
                 List<Map> actions = JSONObject.parseArray(jsonObject.getString("actions"), Map.class);
                 if ((Integer) actions.get(0).get("type") == 1) {
         log.info("caseId:" + caseId + ":fileinfo:" + JSON.toJSONString(file));
         return file;
     }
+
+    /**
+     * 根据文件的fileid查询文件信息
+     */
+    private OnFile getNewFileInofoByFileId(String fileId) {
+        OnFile file = onFileMapper.selectById(fileId);
+        if (file != null) {
+            log.info("caseId:" + file.getCaseId() + ":fileinfo:" + JSON.toJSONString(file));
+        } else {
+            log.info("根据文件id未查询到文件信息");
+        }
+        return file;
+    }
 }

src/main/java/com/oo/demo/service/OnFileService.java

 import com.oo.demo.entity.OnFile;
 
 import javax.servlet.http.HttpServletResponse;
-import java.io.File;
 
 
 public interface OnFileService extends IService<OnFile> {
     /**
      * 保存onlyoffice文件
+     *
      * @param bytes
      * @param fileType
      * @return
      */
     String saveFile(byte[] bytes, String fileType) throws Exception;
 
+    /**
+     * 通过文件id更新onlyoffice文件
+     *
+     * @param bytes
+     * @param fileType
+     * @param fileId
+     * @return
+     * @throws Exception
+     */
+    String updateFileByFileId(byte[] bytes, String fileType, String fileId) throws Exception;
+
     /**
      * 删除onlyoffice文件
+     *
      * @param id
      */
     void removeFile(String id);
 
     /**
      * 下载onlyoffice文件
+     *
      * @param id
      * @param isBrowser
      * @param response
 
     /**
      * 根据文件id查找文件信息
+     *
      * @param id
      * @return
      */

src/main/java/com/oo/demo/service/OnFileServiceImpl.java

         removeById(id);
     }
 
+    /**
+     * 新增文件信息到数据库
+     *
+     * @param bytes
+     * @param fileType
+     * @return
+     * @throws Exception
+     */
     public String saveFile(byte[] bytes, String fileType) throws Exception {
 
         String fileId = IdUtil.simpleUUID();
         }
         return fileId;
     }
+
+    /**
+     * 更新文件信息到数据库
+     *
+     * @param bytes
+     * @param fileType
+     * @param fileId
+     * @return
+     * @throws Exception
+     */
+    public String updateFileByFileId(byte[] bytes, String fileType, String fileId) throws Exception {
+        Boolean ishaveid = false;
+        if (fileId != null && fileId != "") {
+            ishaveid = true;
+        }
+        if (!ishaveid) {
+            fileId = IdUtil.simpleUUID();
+        }
+        File file = new File(path + "/" + fileId + "." + fileType);
+        File parentFile = file.getParentFile();
+        if (!parentFile.exists()) {
+            parentFile.mkdirs();
+        }
+        try (FileOutputStream out = new FileOutputStream(path + "/" + fileId + "." + fileType)) {
+            out.write(bytes);
+            out.flush();
+        }
+        return fileId;
+    }
 }

src/main/java/com/oo/onlyoffice/api/impl/OnlyServiceAPIImpl.java

     @Override
     public OnFile handlerStatus(JSONObject jsonObject) throws Exception {
         OnFile file = new OnFile();
-        String fileId = null;
+        String fileId = jsonObject.getString("fileId");
         log.info("开始下载编辑器文件");
         int status = jsonObject.getIntValue("status");
         log.info("status[{}]:{}", status, jsonObject);
                 if (caseId != null) {
                     fileInfoMap.put("caseId", caseId);
                 }
-                saveFileProcessor.saveBeforeInitialization(tempFile.get().getFileInfo(), fileByte, fileExtension);
+                //保存文件前进行自定义处理(该方法暂时没有实现业务逻辑)
+                //saveFileProcessor.saveBeforeInitialization(tempFile.get().getFileInfo(), fileByte, fileExtension);
 
                 // 保存文件
-                Map<String, Object> map = saveFileProcessor.save(tempFile.get().getFileInfo(), fileByte, changes, key);
+                Map<String, Object> map = saveFileProcessor.save(tempFile.get().getFileInfo(), fileByte, changes, fileId);
                 log.info("文件信息1：" + JSON.toJSONString(tempFile.get().getFileInfo()));
                 log.info("文件信息2：" + JSON.toJSONString(map));
                 saveFileProcessor.saveAfterInitialization(tempFile.get().getFileInfo(), fileByte, fileExtension);
                 log.info("文件变动信息文件url:" + changesurl);
                 // 下载修改后文件
                 byte[] fileByte = FileUtil.getFileByte(url);
-                saveFileProcessor.save(tempFile.getFileInfo(), fileByte, null, jsonObject.getString("key"));
+                saveFileProcessor.save(tempFile.getFileInfo(), fileByte, null, jsonObject.getString("fileId"));
+                log.info("zouzhele==================");
             }
             removeTempFile(jsonObject);
             String id = (String) cache.get("getID_" + jsonObject.getString("key"));

src/main/java/com/oo/onlyoffice/core/SaveFileProcessor.java

      void saveBeforeInitialization(Map<String, Object> map,byte[] bytes,String fileExtension) throws Exception;
 
     /**
-     *
+     * 存储onlyoffice文件信息
      * @param map     文件元信息
      * @param file    文件
      * @param changes 文件变动信息
-     * @return 返回新的文件信息
+     * @param fileId 文件id
+     * @return
      */
-    Map<String, Object> save(Map<String, Object> map,byte[] file, byte[] changes,String key);
+    Map<String, Object> save(Map<String, Object> map,byte[] file, byte[] changes,String fileId);
 
     /**
      * 保存文件后进行自定义处理