Function shouldRequestDonationSelector

client/src/redux/selectors.js:60–99

export const showCertFetchStateSelector = state =>
  state[MainApp].showCertFetchState;
export const shouldRequestDonationSelector = state => {
  const completedChallengeCount = completedChallengesSelector(state).length;
  const isDonating = isDonatingSelector(state);
  const donatableSectionRecentlyCompleted =
    donatableSectionRecentlyCompletedSelector(state);
  const isRandomCompletionThreshold =
    isRandomCompletionThresholdSelector(state);

  // don't request donation if already donating
  if (isDonating) return false;

  // donations only appear after the user has completed ten challenges (i.e.
  // not before the 11th challenge has mounted)
  if (completedChallengeCount < 10) return false;

  // a block or module has been completed
  if (donatableSectionRecentlyCompleted) return true;

  const sessionChallengeData = getSessionChallengeData();
  /*
    Different intervals need to be tested for optimization.
   */
  // the assumption is that we save the count when we request donations
  if (sessionChallengeData.isSaved) {
    // only request if sufficient challenges have been completed since last
    // request
    return sessionChallengeData.countSinceSave >= 20;
  }

  /*
   Show modal if user has completed 10 challanged in total
   and 3 or more in this session.
   The isRandomCompletionThreshold flag is used to AB test interval randomness
  */
  if (isRandomCompletionThreshold) {
    return sessionChallengeData.currentCount >= randomBetween(3, 7);
  } else {
    return sessionChallengeData.currentCount >= 3;
  }
};

export const userTokenSelector = state => userSelector(state)?.userToken;