Script for bulk adding CHT contacts with attachment

couch.js

/*
To use this script:
- Save this script into a directory
- Include a PNG image in the directory called SamplePNG_1.png
- From within that directory, install nano: `npm install nano`
- Update the constants below to match your desired values
- Run the script: 'node couch.js`
 */
const NUMBER_OF_DOCS = 2;
const STARTING_INDEX = 1; // Update this on subsequent runs to avoid id conflicts when running the script multiple times
const HOUSEHOLD_UUID = '59d94a99-4780-45aa-99c0-12c160d47859';
const AREA_UUID = '7df6ba53-1494-450e-8b5a-edfeec563bf9';
const DISTRICT_UUID = 'a6a091d3-e002-427f-ac96-6972a4a0151d';
const DB_CONNECTION_INFO = 'http://myadminuser:myadminpass@localhost:5984';

const fs = require('fs');
const path = require('path');
const nano = require('nano')({ url: DB_CONNECTION_INFO });
const medic = nano.db.use('medic');

const attachment = {
  name: 'img_1.png',
  data: fs.readFileSync(path.join(__dirname, 'SamplePNG_1.png')),
  content_type: 'image/png'
};

const sleep = (ms) => {
  return new Promise(resolve => setTimeout(resolve, ms));
};

const insertDocuments = async() => {
  for(let docCount = STARTING_INDEX; docCount < STARTING_INDEX + NUMBER_OF_DOCS; docCount++) {
    const doc = {
      parent: {
        _id: HOUSEHOLD_UUID,
        parent: {
          _id: AREA_UUID,
          parent: {
            _id: DISTRICT_UUID
          }
        }
      },
      type: 'person',
      name: `Big ${docCount}`,
      role: 'patient',
      meta: {
        created_by: 'medic',
      },
      reported_date: 1652278507739,
    };

    const result = await medic.insert(doc, `big-person-${docCount}`);
    console.log(result);
  }
  
  await sleep(5000); // Try to avoid update conflicts with Sentinel processing for the new contacts...
  
  for(let docCount = STARTING_INDEX; docCount < STARTING_INDEX + NUMBER_OF_DOCS; docCount++) {
    const insertedDoc = await medic.get(`big-person-${docCount}`)
    const attResult = await medic.attachment.insert(insertedDoc._id, attachment.name, attachment.data, attachment.content_type, { rev: insertedDoc._rev });
    console.log(attResult);
  }
};

const destroyDocuments = async() => {
  for(let docCount = STARTING_INDEX; docCount < STARTING_INDEX + NUMBER_OF_DOCS; docCount++) {

    const doc = await medic.get(`big-person-${docCount}`);
    const result = await medic.destroy(doc._id, doc._rev);
    console.log(result);
  }
};

// CHOOSE WHICH FUNCTION TO CALL!
(async function () {

  // Use this for adding documents
  await insertDocuments();

  // Use this for removing documents
//   await destroyDocuments();
})();

I made a hack to give each file uploaded a different hash by uploading a (no doubt corrupt) image file that has a few bytes added to each time.