feat: 在线编辑流程结束将docx转换为pdf

laws-module-system/src/main/java/com/jero/modules/oss/controller/OSSFileController.java

@@ -1,5 +1,6 @@
 package com.jero.modules.oss.controller;
 
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
@@ -81,12 +82,18 @@ public class OSSFileController {
 	public Result<OSSFile> queryById(@RequestParam(name = "id") String id) {
 		Result<OSSFile> result = new Result<>();
 		OSSFile file = ossFileService.getById(id);
+		LambdaQueryWrapper<OSSFile> queryWrapper = new LambdaQueryWrapper<>();
+		queryWrapper.eq(OSSFile::getBindId, id);
+		OSSFile pdfFile = ossFileService.getOne(queryWrapper);
 		if (file == null) {
 			return Result.error("未找到对应实体");
 		}
 		else {
 			result.setResult(file);
 			result.setSuccess(true);
+			if (pdfFile != null) {
+				file.setPdfId(pdfFile.getId());
+			}
 		}
 		return result;
 	}

laws-module-system/src/main/java/com/jero/modules/oss/entity/OSSFile.java

@@ -59,6 +59,13 @@ public class OSSFile extends JeroEntity {
 	@ApiModelProperty(value = "所属部门")
 	private String sysOrgCode;
 
+	@ApiModelProperty(value = "docx文件对应的pdf文件 使用此字段绑定docx的版本")
+	private String bindId;
+
+	@TableField(exist = false)
+	@ApiModelProperty(value = "PDF版本对应的文件Id")
+	private String pdfId;
+
 	/**
 	 * 带文件下载的相对路径
 	 */

laws-modules/src/main/java/com/jero/modules/activiti/process/esChange/listener/ProcessESChangeEndListener.java

@@ -4,13 +4,10 @@ import cn.hutool.core.util.StrUtil;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.jero.common.api.CommonAPI;
 import com.jero.common.api.vo.Result;
-import com.jero.common.constant.enums.YesOrNoEnum;
 import com.jero.common.exception.JeroBootException;
 import com.jero.common.system.vo.DictModel;
 import com.jero.common.system.vo.SysDictItemCore;
 import com.jero.modules.activiti.entity.ProcessApprovalRecord;
-import com.jero.modules.activiti.enums.CommitFlagEnum;
-import com.jero.modules.activiti.enums.FinishFlagEnum;
 import com.jero.modules.activiti.process.common.enums.StandardStateEnum;
 import com.jero.modules.activiti.process.esChange.entity.EsChangeOpinion;
 import com.jero.modules.activiti.process.esChange.entity.EsChangeTaskNameConstant;
@@ -28,7 +25,6 @@ import com.jero.modules.oss.entity.OSSFile;
 import com.jero.modules.oss.service.IOSSFileService;
 import com.jero.modules.system.controller.CommonController;
 import com.jero.modules.system.entity.SysDepart;
-import com.jero.modules.system.entity.SysUser;
 import com.jero.modules.system.service.*;
 import com.jero.modules.tag.enums.TableNameEnum;
 import lombok.extern.slf4j.Slf4j;
@@ -75,12 +71,6 @@ public class ProcessESChangeEndListener implements ExecutionListener {
     @Resource
     private ILawsCommonService commonService;
 
-    @Resource
-    private ISysUserService sysUserService;
-
-    @Resource
-    private ISysUserDepartService sysUserDepartService;
-
     @Resource
     private ISysDepartService sysDepartService;
 

laws-modules/src/main/java/com/jero/modules/onlyoffice/service/impl/BusProcessModelHisServiceImpl.java

@@ -3,6 +3,7 @@ package com.jero.modules.onlyoffice.service.impl;
 import cn.hutool.core.collection.CollUtil;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.core.toolkit.IdWorker;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.jero.common.exception.JeroBootException;
 import com.jero.common.util.CommonUtils;
@@ -18,6 +19,7 @@ import com.jero.modules.onlyoffice.entity.StandardFileType;
 import com.jero.modules.onlyoffice.mapper.BusProcessModelHisMapper;
 import com.jero.modules.onlyoffice.mapper.OnlineFileLogDao;
 import com.jero.modules.onlyoffice.service.IBusProcessModelHisService;
+import com.jero.modules.onlyoffice.utils.OnlyOfficePdfUtil;
 import com.jero.modules.oss.entity.OSSFile;
 import com.jero.modules.oss.service.IOSSFileService;
 import org.apache.commons.io.FileUtils;
@@ -75,6 +77,9 @@ public class BusProcessModelHisServiceImpl extends ServiceImpl<BusProcessModelHi
     @Resource
     private ILawsEnterpriseStandardService eSService;
 
+    @Resource
+    private OnlyOfficePdfUtil onlineOfficePdfUtil;
+
     @Override
     public BusProcessModelHis saveEditFile(String model) {
         BusProcessModelHis modelHis = new BusProcessModelHis();
@@ -399,6 +404,9 @@ public class BusProcessModelHisServiceImpl extends ServiceImpl<BusProcessModelHi
             replaceFile.setFileName(fileName);
             replaceFile.setUrl(savePath);
             ossFileService.updateById(replaceFile);
+            // 将文件扩展名去掉
+            String fileTitleName = fileName.substring(0, fileName.lastIndexOf("."));
+            onlineOfficePdfUtil.convertAndSavePdfFile(fileTitleName, ossFile.getId(), his.getEditFilePath());
         }
     }
 
@@ -427,6 +435,9 @@ public class BusProcessModelHisServiceImpl extends ServiceImpl<BusProcessModelHi
             ossFile.setUrl(savePath);
             ossFile.setStandardFileType(FieldCommon.FILE_PUBLISH_OF_ORIGINAL);
             ossFileService.updateById(ossFile);
+            // 将文件扩展名去掉
+            String fileTitleName = fileName.substring(0, fileName.lastIndexOf("."));
+            onlineOfficePdfUtil.convertAndSavePdfFile(fileTitleName, ossFile.getId(), his.getEditFilePath());
         }
         return ossFile.getId();
     }

laws-modules/src/main/java/com/jero/modules/onlyoffice/utils/OnlyOfficePdfUtil.java

@@ -0,0 +1,162 @@
+package com.jero.modules.onlyoffice.utils;
+
+import com.alibaba.fastjson.JSONObject;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.jero.common.exception.JeroBootException;
+import com.jero.common.util.CommonUtils;
+import com.jero.common.util.oConvertUtils;
+import com.jero.modules.oss.entity.OSSFile;
+import com.jero.modules.oss.service.IOSSFileService;
+import lombok.SneakyThrows;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.http.HttpEntity;
+import org.apache.http.HttpStatus;
+import org.apache.http.client.config.RequestConfig;
+import org.apache.http.client.methods.CloseableHttpResponse;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.entity.ContentType;
+import org.apache.http.entity.StringEntity;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.HttpClientBuilder;
+import org.apache.http.util.EntityUtils;
+import org.dom4j.Document;
+import org.dom4j.DocumentHelper;
+import org.dom4j.Element;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.mock.web.MockMultipartFile;
+import org.springframework.stereotype.Component;
+import org.springframework.web.multipart.MultipartFile;
+
+import javax.annotation.Resource;
+import java.io.InputStream;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author: Mzaxd
+ * @Date: 2024/4/25 9:08
+ */
+@Slf4j
+@Component
+public class OnlyOfficePdfUtil {
+
+    @Resource
+    private IOSSFileService ossFileService;
+
+    @Value("${file.downloadUrl}")
+    private String downloadFileUrl;
+
+    @Value("${onlyoffice.toUrl}")
+    private String onlyOfficeUrl;
+
+    @Value("${onlyoffice.transferPDfUrl}")
+    private String transferPDfUrl;
+
+    @Value(value = "${jero.uploadType}")
+    private String uploadType;
+
+    private static final int TIMEOUT = 60000; // 通用超时设置
+
+    @SneakyThrows
+    public void convertAndSavePdfFile(String fileName, String key, String onlineFilePath) {
+        log.info("转换的请求参数：onlyOfficeUrl:{}, filePdfName:{}, key:{}, onlineFilePath:{}", onlyOfficeUrl, fileName, key, onlineFilePath);
+        // 获取onlyOffice转换后文件的url
+        String fileUrl = convertFile(fileName, key, onlineFilePath);
+        log.info("文件转换后PDF的URL: {}", fileUrl);
+
+        try (CloseableHttpClient httpClient = HttpClientBuilder.create().build()) {
+            // 根据url获取转换后的文件
+            fetchAndSaveFile(httpClient, fileName, fileUrl, key);
+        } // 自动关闭httpClient
+    }
+
+    private CloseableHttpClient createHttpClient() {
+        RequestConfig requestConfig = RequestConfig.custom()
+                .setSocketTimeout(TIMEOUT)
+                .setConnectionRequestTimeout(TIMEOUT)
+                .setConnectTimeout(TIMEOUT)
+                .build();
+
+        HttpClientBuilder httpClientBuilder = HttpClientBuilder.create();
+        return httpClientBuilder.setDefaultRequestConfig(requestConfig).build();
+    }
+
+    @SneakyThrows
+    private String convertFile(String fileName, String key, String onlineFilePath) {
+        Map<String, Object> parameters = new HashMap<>();
+        parameters.put("async", false);
+        parameters.put("filetype", "docx");
+        parameters.put("key", key);
+        parameters.put("outputtype", "pdf");
+        parameters.put("title", fileName + ".pdf");
+        parameters.put("url", downloadFileUrl + onlineFilePath);
+        log.info("转换文件参数: {}", parameters);
+        JSONObject requestJson = new JSONObject(parameters);
+        String data = requestJson.toString();
+
+        try (CloseableHttpClient httpClient = createHttpClient()) {
+            String url = onlyOfficeUrl + transferPDfUrl;
+            log.info("访问onlyOfficeUrl：{}", url);
+            HttpPost httpPost = new HttpPost(url);
+            httpPost.setEntity(new StringEntity(data, "UTF-8"));
+            httpPost.setHeader("Content-type", "application/json; charset=UTF-8");
+
+            try (CloseableHttpResponse response = httpClient.execute(httpPost)) {
+                return handleResponse(response);
+            }
+        }
+    }
+
+    @SneakyThrows
+    private void fetchAndSaveFile(CloseableHttpClient httpClient, String fileName, String fileUrl, String key) {
+        String pdfFileName =  fileName + ".pdf";
+        HttpGet get = new HttpGet(fileUrl);
+        try (CloseableHttpResponse response = httpClient.execute(get)) {
+            if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
+                throw new JeroBootException("Failed to fetch the file: " + response);
+            }
+            HttpEntity entity = response.getEntity();
+            if (entity != null) {
+                try (InputStream content = entity.getContent()) {
+                    MultipartFile file = new MockMultipartFile(pdfFileName, pdfFileName, ContentType.APPLICATION_OCTET_STREAM.toString(), content);
+                    // 保存文件逻辑
+                    String savePath = CommonUtils.upload(file, "", uploadType);
+                    if (oConvertUtils.isNotEmpty(savePath)) {
+                        // 如果有的话，删除原来的pdf版本
+                        LambdaQueryWrapper<OSSFile> lambdaQueryWrapper = new LambdaQueryWrapper<>();
+                        lambdaQueryWrapper.eq(OSSFile::getBindId, key);
+                        ossFileService.remove(lambdaQueryWrapper);
+
+                        // 上传成功 进行数据库存储
+                        OSSFile ossFile = new OSSFile();
+                        // 文件名
+                        ossFile.setFileName(pdfFileName);
+                        ossFile.setUrl(savePath);
+                        ossFile.setBindId(key);
+                        ossFileService.save(ossFile);
+                    }
+                }
+            }
+        }
+    }
+
+    @SneakyThrows
+    private String handleResponse(CloseableHttpResponse response) {
+        HttpEntity entity = response.getEntity();
+        if (entity != null) {
+            String responseData = EntityUtils.toString(entity, "UTF-8");
+            return analysisXML(responseData);
+        }
+        return null;
+    }
+
+    @SneakyThrows
+    public static String analysisXML(String xmlString) {
+        log.info("OnlyOffice返回xmlString:{}", xmlString);
+        Document document = DocumentHelper.parseText(xmlString);
+        Element root = document.getRootElement();
+        return root.elementText("FileUrl").replaceAll("&amp;", "&");
+    }
+
+}