h5p-interactive-video/presave.js

var H5PPresave = H5PPresave || {};
var H5PEditor = H5PEditor || {};

/**
 * Function to go through all elements of a Course Presentation and perform the separate calculations before returning a aggregated result
 *
 * @param {object} content
 * @param finished
 * @constructor
 */
H5PPresave['H5P.InteractiveVideo'] = function (content, finished) {
  const presave = H5PEditor.Presave;

  if (isContentInvalid()) {
    throw new presave.exceptions.InvalidContentSemanticsException('Invalid Interactive Video Error');
  }

  const librariesToCheck = [].concat(content.interactiveVideo.assets.interactions);

  if (hasSummary()) {
    librariesToCheck.push({ action: content.interactiveVideo.summary.task });
  }

  const score = librariesToCheck
    .map((element) => {
      if (element.hasOwnProperty('action')) {
        return element.action;
      }
      return {};
    })
    .filter((action) => action.hasOwnProperty('library') && action.hasOwnProperty('params'))
    .map((action) => (new presave()).process(action.library, action.params).maxScore)
    .reduce((currentScore, scoreToAdd) => {
      if (presave.isInt(scoreToAdd)) {
        currentScore += scoreToAdd;
      }
      return currentScore;
    }, 0);

  presave.validateScore(score);

  finished({ maxScore: score });

  /**
   * Check if required parameters is present
   * @return {boolean}
   */
  function isContentInvalid() {
    return !presave.checkNestedRequirements(content, 'content.interactiveVideo.assets.interactions') || !Array.isArray(content.interactiveVideo.assets.interactions);
  }

  /**
   * Check if required summary is present
   * @return {boolean}
   */
  function hasSummary() {
    return presave.checkNestedRequirements(content, 'content.interactiveVideo.summary.task.library') && presave.checkNestedRequirements(content, 'content.interactiveVideo.summary.task.params');
  }
};