mooc-week3.js

// This code will export statements to a CSV just as Learning Locker's exports do.

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// Exports the response as a CSV.
var exporter = function (response) {
  // Gets the necessary fields from the statement.
  var results = response.statements.map(function (statement) {
    return {
      id: statement.actor.mbox || statement.actor.account.name,
      actor: statement.actor.name,
      timestamp: statement.stored
    };
  });

  // Adds the headers for the CSV.
  results.unshift({
    id: 'actor-id',
    actor: 'actor-name',
    timestamp: 'timestamp'
  });

  // Converts the data to CSV.
  var file = results.map(function (result) {
    return '"'+result.id+'","'+result.actor+'","'+result.timestamp+'"';
  }).join('\n');

  // Saves the CSV.
  saveAs(new Blob([file]), 'download.csv');
}

// Makes the request to the LRS.
var request = new XMLHttpRequest();
request.open('GET', 'http://demo.learninglocker.net/data/xAPI/statements?activity=http%3a%2f%2fbeta.curatr3.com%2fcourses%2fxapi&related_activities=true&since=2015-05-19T00:00&limit=2000');
request.setRequestHeader('X-Experience-API-Version', '1.0.1');
request.setRequestHeader('Authorization', 'Basic ZDQxNmU2MjIwODEyNzQwZDM5MjJlYjA5ODEzZWJiNDE2M2U4ZWIzZTpiYzdlMGEyZWRkNWQxOTY5YjZkNzc0ZTY3OWQ0ZWI0ZTdhMzViZTEz');
request.onreadystatechange = function () {
  if (request.readyState === 4) {
    exporter(JSON.parse(request.responseText));
  }
};
request.send(true);