customer-service/app/service/util/util.js

'use strict';
const _ = require('lodash');
const moment = require('moment');
const { CrudService } = require('naf-framework-mongoose/lib/service');
const { ObjectId } = require('mongoose').Types;
const fs = require('fs');
class UtilService extends CrudService {
  constructor(ctx) {
    super(ctx);
    this.mq = this.ctx.mq;
  }
  async utilMethod(query, body) {
    const Path = require('path');
    const Excel = require('exceljs');

    const { data } = await this.ctx.service.users.expert.query();
    const root_path = 'E:\\exportFile\\';
    const file_type = '';
    if (!fs.existsSync(`${root_path}${file_type}`)) {
      // 如果不存在文件夹,就创建
      fs.mkdirSync(`${root_path}${file_type}`);
    }
    const workbook = new Excel.Workbook();
    let sheet;
    sheet = workbook.addWorksheet('sheet');
    const meta = this.getHeader();
    const head = meta.map(i => i.label);
    // sheet.addRows(head);
    const rows = [];
    rows.push(head);
    for (let i = 0; i < data.length; i++) {
      const e = data[i];
      const row = [];
      let imgid;
      for (const obj of meta) {
        const { key } = obj;
        if (key !== 'img_path') {
          row.push(e[key] || '');
        } else if (e.img_path) {
          try {
            const suffix = Path.extname(e.img_path).substring(1);
            // 先请求图片buffer,然后addImage存起来
            const res = await this.ctx.curl(`http://broadcast.waityou24.cn${e.img_path}`);
            if (res.status === 200) {
              const buffer = res.data;
              imgid = workbook.addImage({
                buffer,
                extension: suffix,
              });
            }
          } catch (error) {
            console.log(`${e.name}图片下载失败`);
          }

        }
      }
      rows.push(row);
      if (imgid || imgid === 0) {
        sheet.addImage(imgid, {
          tl: { col: 15.2, row: i + 1 + 0.2 },
          br: { col: 16, row: i + 1 + 1 },
          editAs: 'oneCell',
        });
      }
    }
    sheet.addRows(rows);
    const filepath = `${root_path}专家导出.xlsx`;
    await workbook.xlsx.writeFile(filepath);
  }

  getHeader() {
    return [
      { key: 'name', label: '用户姓名' },
      { key: 'phone', label: '联系电话' },
      { key: 'education', label: '最高学历' },
      { key: 'school', label: '毕业学校' },
      { key: 'birthDate', label: '出生日期' },
      { key: 'email', label: '电子邮箱' },
      { key: 'qqwx', label: 'QQ/微信' },
      { key: 'company', label: '工作单位' },
      { key: 'zwzc', label: '职务职称' },
      { key: 'expertise', label: '擅长领域' },
      { key: 'workexperience', label: '工作经历' },
      { key: 'scientific', label: '科研综述' },
      { key: 'undertakingproject', label: '承担项目' },
      { key: 'scienceaward', label: '科技奖励' },
      { key: 'social', label: '社会任职' },
      { key: 'img_path', label: '用户头像' },
    ];
  }

  dealQuery(query) {
    return this.turnFilter(this.turnDateRangeQuery(query));
  }

  /**
   * 将查询条件中模糊查询的标识转换成对应object
   * @param {Object} filter 查询条件
   */
  turnFilter(filter) {
    const str = /^%\S*%$/;
    const keys = Object.keys(filter);
    for (const key of keys) {
      const res = key.match(str);
      if (res) {
        const newKey = key.slice(1, key.length - 1);
        filter[newKey] = new RegExp(filter[key]);
        delete filter[key];
      }
    }
    return filter;
  }
  /**
   * 将时间转换成对应查询Object
   * @param {Object} filter 查询条件
   */
  turnDateRangeQuery(filter) {
    const keys = Object.keys(filter);
    for (const k of keys) {
      if (k.includes('@')) {
        const karr = k.split('@');
        //  因为是针对处理范围日期,所以必须只有,开始时间和结束时间
        if (karr.length === 2) {
          const type = karr[1];
          if (type === 'start') {
            filter[karr[0]] = {
              ..._.get(filter, karr[0], {}),
              $gte: filter[k],
            };
          } else {
            filter[karr[0]] = {
              ..._.get(filter, karr[0], {}),
              $lte: filter[k],
            };
          }
          delete filter[k];
        }
      }
    }
    return filter;
  }

}
module.exports = UtilService;