total-source-file-size.js

const OoyalaApi = require('ooyala-api');

const api = new OoyalaApi("Your-API-Key", "Your-API-Secret");

api.get('/v2/assets', {limit: 500}, {recursive: true})
.then(list => {
  return list.filter(asset => asset.asset_type === 'video');
})
.then(list => {
  return Promise.all(list.map(asset => getSourceFileSize(asset.embed_code)));
})
.then(list => {
  return list.reduce((a, b) => (a + b), 0);
})
.then(total => {
  console.log(`Total source size is ${total} bytes`);
})
.catch(err => {
  console.log(err.stack);
});

function getSourceFileSize(asset) {
  return api.get(`/v2/assets/${asset}/source_file_info`)
  .then(sourceInfo => {
    return sourceInfo.file_size;
  });
}