service-live/app/service/patent/patentwarning.js

'use strict';
const { CrudService } = require('naf-framework-mongoose/lib/service');
const { BusinessError, ErrorCode } = require('naf-core').Error;
const { ObjectId } = require('mongoose').Types;
const _ = require('lodash');
const compressing = require('compressing');
const { sep } = require('path');
const path = require('path');
const fs = require('fs');
const encoding = require('encoding'); // 编码转换
const fxp = require('fast-xml-parser'); // xml转换
// 专利运营专利申请预警表
class PatentwarningService extends CrudService {
  constructor(ctx) {
    super(ctx, 'patentwarning');
    this.model = this.ctx.model.Patent.Patentwarning;
    this.import_root_path = _.get(this.ctx.app.config.import, 'root_path');
    this.patentInfo = this.ctx.model.Patent.Patentinfo;
    this.patentApply = this.ctx.model.Patent.Patentapply;
    this.personalModel = this.ctx.model.Personal;
  }
  async import({ uri }) {
    uri = uri.replace('/files', this.import_root_path);
    const fileFullName = path.basename(uri);
    const arr = fileFullName.split('.');
    const ext = _.last(arr);
    const fileName = _.head(arr);
    const uncompressFilePath = `${this.import_root_path}${sep}temp`;
    if (ext !== 'zip') {
      throw new BusinessError(ErrorCode.FILE_FAULT, '只接收压缩格式为zip的压缩包');
    }
    // 解压
    try {
      await compressing.zip.uncompress(uri, `${uncompressFilePath}`);
    } catch (error) {
      throw new BusinessError(ErrorCode.FILE_FAULT, '解压失败');
    }
    // 修改,多个专利:需要扫描下解压后的文件夹,然后循环处理下面所有的内容
    const tempDirRootPath = `${uncompressFilePath}${sep}`;
    const tempDir = await fs.readdirSync(tempDirRootPath);
    const errorList = [];
    for (const tempDirPath of tempDir) {
      const thisDirPath = `${tempDirRootPath}${sep}${tempDirPath}`;
      const patentNumber = tempDirPath;
      try {
        // 找到
        let filePaths = [];
        try {
          filePaths = await this.findFileNameLoop(thisDirPath);
        } catch (error) {
          errorList.push({ key: patentNumber, word: '解析文件具体位置失败' });
          continue;
        }
        if (filePaths.length <= 0) {
          errorList.push({ key: patentNumber, word: '未找到文件' });
          continue;
        }
        // 2021-10-16 修改: 取出第一层的xml文件,即:路径最短的;除文件名外,字符串长度最小的
        let xmlPaths = filePaths.filter(f => f.includes('.xml'));
        if (xmlPaths.length > 0) {
          // 去掉文件名
          xmlPaths = xmlPaths.map(i => {
            let arr = i.split(sep);
            arr = arr.pop();
            return arr.join(sep);
          });
          // 按路径字符串长度排序
          xmlPaths = xmlPaths.sort((a, b) => {
            const anum = a.length;
            const bnum = b.length;
            return anum - bnum;
          });
        }
        const xmlPath = _.head(xmlPaths);
        if (!xmlPath) {
          errorList.push({ key: patentNumber, word: '未找到xml文件' });
          continue;
        // throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '未找到xml文件');
        }
        let xmlData;
        try {
          xmlData = await this.dealXml(xmlPath);
        } catch (error) {
          errorList.push({ key: patentNumber, word: '解析xml数据中的 申请号 和 专利名称 失败' });
          continue;
        // throw new BusinessError(ErrorCode.SERVICE_FAULT, '解析申请号失败');
        }
        if (!xmlData) {
          errorList.push({ key: patentNumber, word: '未找到xml的数据' });
          continue;
        // throw new BusinessError(ErrorCode.FILE_FAULT, '未找到申请号');
        }
        let result;
        try {
          result = await this.getPatent(xmlData);
        } catch (error) {
          errorList.push({ key: patentNumber, word: '查询专利信息失败' });
          continue;
        // throw new BusinessError(ErrorCode.SERVICE_FAULT, '查询专利信息失败');
        }
        // 找不到就算了,弹回去了
        if (!result || !_.get(result, 'patent')) {
          errorList.push({ key: patentNumber, word: '未通过 申请号 或 专利名称 找到指定专利' });
          continue;
        // throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '未通过申请号找到指定专利');
        }
        const patent = _.get(result, 'patent');
        let warningData;
        try {
          warningData = await this.getWarningData(patent);
        } catch (error) {
          errorList.push({ key: patentNumber, word: '组织专利信息警告数据失败' });
          continue;
        // throw new BusinessError(ErrorCode.SERVICE_FAULT, '组织专利信息警告数据失败');
        }
        const tifPaths = filePaths.filter(f => f.includes('.tif'));
        if (tifPaths && tifPaths.length > 0) {
          try {
            await this.toUploadTif(warningData, tifPaths);
          } catch (error) {
            errorList.push({ key: patentNumber, word: '存储数据失败' });
            continue;
          }
        }
        // 查看是否需要更改申请号
        const needChange = _.get(result, 'needChange');
        if (needChange) {
          try {
            await this.patentApply.updateOne({ _id: patent._id }, patent);
          } catch (error) {
            // errorList.push({ key: patentNumber, word: 'xml申请号同步至专利申请号失败' });
            continue;
          }
        }
      } finally {
        try {
          await this.dirDelete(`${thisDirPath}`);
        } catch (error) {
          this.ctx.logger.error('清除缓存失败');
        }
      }

    }
    if (errorList.length > 0) return errorList;
    return 'ok';
  }

  /**
   * 上传图片,保存
   * @param {Array} data 警告数据,未保存
   * @param {Array} files tif图片文件路径数组
   */
  async toUploadTif(data, files) {
    const filePaths = [];
    const savePath = ObjectId();
    for (const file of files) {
      let arr = file.split(sep);
      const fullFileName = _.last(arr);
      arr = fullFileName.split('.');
      // 文件后缀
      const ext = _.last(arr);
      // 图片文件
      const buffer = await fs.readFileSync(file);
      // 新文件名
      const randomStr = ObjectId();
      // 新文件名带后缀
      const newFileName = `${randomStr}.${ext}`;
      // 上传后部分路径
      const shortPath = `platform${sep}patent${sep}${savePath}${sep}`;
      // 上传全路径
      const path = `${this.import_root_path}${sep}${shortPath}`;
      // 检查上传全路径是否存在,不存在就创建文件夹
      await this.checkPathAndCreate(path);
      // 另存文件
      await fs.writeFileSync(`${path}${newFileName}`, buffer);
      // 替换为files开头
      let dataPath = path.replace(this.import_root_path, '/files');
      while (dataPath.indexOf('\\') >= 0) {
        dataPath = dataPath.replace('\\', '/');
      }
      // 补全请求用路径的所有路径
      dataPath += newFileName;
      filePaths.push(dataPath);
    }
    for (const i of data) {
      i.file_url = filePaths;
    }
    const res = await this.model.insertMany(data);
    return res;

  }

  /**
   * 检查路径,没有创建
   * @param {Array} filePath 图片路径数组
   */
  async checkPathAndCreate(filePath) {
    const arr = filePath.split(sep);
    // w:第一个是盘符,直接和第二个合并
    // l:前几个应该都是存在的.也可以合并
    let head = _.head(arr);
    if (arr[1]) head = `${head}${sep}${arr[1]}`;
    arr.shift();
    arr[0] = head;
    let curPath;
    for (const p of arr) {
      curPath = `${curPath ? curPath + sep : ''}${p}`;
      if (!fs.existsSync(curPath)) {
        await fs.mkdirSync(curPath);
      }
    }
  }

  /**
   * 组织专利预警数据
   * @param {Object} patent 专利
   */
  async getWarningData(patent) {
    const object = {};
    if (_.get(patent, 'create_number'))object.create_number = _.get(patent, 'create_number');
    if (_.get(patent, 'id'))object.patent_id = _.get(patent, 'id');
    if (_.get(patent, 'name'))object.patent_name = _.get(patent, 'name');
    // 找人的信息
    const users = _.get(patent, 'inventor');
    const arr = [];
    for (const user of users) {
      if (!_.get(user, 'user_id') || !_.get(user, 'name')) continue;
      const { user_id, name } = user;
      const obj = _.cloneDeep(object);
      obj.to_id = user_id;
      obj.to_name = name;
      arr.push(obj);
    }
    return arr;

  }

  /**
   * 在patentApply/patentInfo表中找指定的专利
   * @param {Object} object xml的数据
   */
  async getPatent(object) {
    const { name, create_number } = object;
    let res;
    let needChange = false;
    res = await this.patentApply.findOne({ create_number });
    // 如果在申请中,使用名称找到,则之后需要将该数据的专利号改为xml中的专利号
    if (!res) {
      res = await this.patentApply.findOne({ name });
      needChange = true;
    }
    if (!res) {
      res = await this.patentInfo.findOne({ create_number });
    }
    if (!res) {
      res = await this.patentInfo.findOne({ name });
    }
    const returnObject = {};
    if (res) {
      if (needChange) {
        res.create_number = create_number;
        returnObject.needChange = needChange;
      }
      returnObject.patent = res;
      return returnObject;
    }
    return null;
  }


  /**
   * 根据路径找到xml,再找到该xml的申请号和专利名称
   * @param {String} filePath xml的文件路径
   */
  async dealXml(filePath) {
    const buffer = await fs.readFileSync(filePath);
    let str = encoding.convert(buffer, 'UTF8', 'GBK');
    if (!str) throw new BusinessError(ErrorCode.FILE_FAULT, '读取xml文件失败');
    str = str.toString();
    const json = fxp.parse(str);
    const create_number = _.get(json, 'data-bus.TONGZHISXJ.SHUXINGXX.SHENQINGH');
    const name = _.get(json, 'data-bus.TONGZHISXJ.SHUXINGXX.FAMINGMC');
    if (!name) return null;
    return { name, create_number };
  }

  /**
   * 找到深层的tif和xml
   * 因为命名方式都是以文件名,之后tif的文件夹也在深层fileName.套娃且文件名都是fileName
   * @param {String} uri temp路径
   */
  async findFileNameLoop(uri) {
    const filePath = `${_.trimEnd(uri, sep)}${sep}`;
    if (!fs.existsSync(filePath)) {
      return [];
    }
    const files = fs.readdirSync(filePath);
    let result = [];
    for (const file of files) {
      const curPath = `${filePath}${file}`;
      if (fs.statSync(curPath).isDirectory()) {
        const arr = await this.findFileNameLoop(curPath);
        result.push(...arr);
      } else {
        result.push(curPath);
      }
    }
    result = result.filter(f => f.includes('.tif') || f.includes('.xml'));
    return result;
  }

  /**
   * 删除路径下的所有内容
   * @param {String} filePath 路径
   */
  async dirDelete(filePath) {
    if (fs.existsSync(filePath)) {
      const files = fs.readdirSync(filePath);
      for (const file of files) {
        const curPath = `${filePath}${sep}${file}`;
        if (fs.statSync(curPath).isDirectory()) { // recurse
          this.dirDelete(curPath);
        } else { // delete file
          fs.unlinkSync(curPath);
        }
      }
      fs.rmdirSync(filePath);
    }
  }
}

module.exports = PatentwarningService;