synchronizeTalkViewCount.js

#!/usr/bin/env node

require('dotenv').config()
const db = require('sequelize-context')
const axios = require('axios')

db
  .connect(
    './db/models/*.js',
    process.env.DB_SCHEMA,
    process.env.DB_USERNAME,
    process.env.DB_PASSWORD, {
    })
    .then(function () {
      return db
        .models
        .talk
        .findAll()
    })
    .then(function (talks) {
      const promises = talks.map(function (talk) {
        return new Promise(function (resolve, reject) {
          axios
            .get(`https://api.wistia.com/v1/stats/medias/${talk.wistiaMediaId}.json?api_password=${process.env.WISTIA_PASSWORD}`)
            .then(response => {
              return db
                .models
                .talk
                .update({
                  views: response.data.play_count
                }, {
                  where: {
                    id: talk.id
                  }
                })
            })
            .then(resolve)
        })
      })
      return Promise.all(promises)
    })
    .then(function () {
      console.log('success')
    })
    .catch(function (error) {
      console.error('error', error)
    })

The problem here is that you might get partial updates :(