server-achievement/app/middleware/duplicate.js

'use strict';
const _ = require('lodash');
const { ObjectId } = require('mongoose').Types;
module.exports = options => {
  return async function duplicate(ctx, next) {
    const data = _.get(ctx.request, 'body');
    const id = _.get(ctx.params, 'id');
    const status = data.status;
    if (status === '2') {
      // 创建副本数据
      let oData = await ctx.model.Apply.findById(id);
      if (!oData) return;
      oData = JSON.parse(JSON.stringify(oData));
      oData = { ...oData, ...data };
      const duplicateData = _.cloneDeep(oData);
      duplicateData.apply_id = id;
      delete duplicateData._id;
      delete duplicateData.id;
      const q = { apply_id: duplicateData.apply_id, user_id: duplicateData.user_id };
      // // 先查询有没有,有就更新
      const result = await ctx.model.Duplicate.findOne(q);
      if (result) {
        // 修改
        ctx.model.Duplicate.updateOne({ _id: result._id || result.id }, duplicateData);
      } else {
        // 一切都复制一份,将原数据id放到apply_id上,用来追溯/对比
        ctx.model.Duplicate.create(duplicateData);
      }
    }
    await next();
  };
};