helper functions to create fake dates

fakeDataHelpers.js

/**
 * @author: JP Lew ([email protected])
 * @date: Monday, 23rd July 2018 5:14:39 pm
 * @lastModifiedBy: JP Lew ([email protected])
 * @lastModifiedTime: Thursday, 23rd August 2018 1:03:37 pm
 * project: Share Results
 * @copyright (c) 2018 Hack Capital
 */

const randomNumber = (min = 0, max = 10) => Math.floor(Math.random() * max) + min;

const isAdvertiser = org => org.organization_type_id === 3;

const randomItemFromArray = array => array[Math.floor(Math.random() * array.length)];

const getPublisherIds = (orgs) => {
  const publisherIdArray = orgs.reduce((acc, curr) => {
    if (curr.organization_type_id === 2) {
      return [...acc, curr.id];
    }
    return acc;
  }, []);
  return publisherIdArray;
};

const getProductsByMerchant = (products, orgId) => {
  const productArray = products.reduce((acc, curr) => {
    if (curr.organization_id === orgId) {
      return [...acc, curr.product_id];
    }
    return acc;
  }, []);
  return productArray;
};

// random date in the last year (there are 3.1536e10 milliseconds in a year)
const randomDateMs = Math.ceil(Date.now() - Math.random() * 3.1536e10);

const randomDateSeconds = Math.ceil(randomDateMs / 1000);

const randomDateUtc = new Date(randomDateMs).toJSON();

const createRandomDate = () => {
  const date = Math.ceil(Date.now() - Math.random() * 2 * 3.1536e10);
  return new Date(date).toJSON();
};

// random date within a couple months of specified date
const randomDateInFuture = (date) => {
  const futureDate = new Date(new Date(date).getTime() + Math.random() * 6e9);
  return futureDate.toJSON();
};

module.exports = {
  randomNumber,
  randomItemFromArray,
  randomDateMs,
  randomDateSeconds,
  randomDateUtc,
  createRandomDate,
  randomDateInFuture,
  getPublisherIds,
  getProductsByMerchant,
  isAdvertiser,
};