<?php

echo "Populating Questions with mail keys...\n";
foreach (new LiskMigrationIterator(new PonderQuestion()) as $question) {
  $id = $question->getID();

  echo "Question {$id}: ";
  if (!$question->getMailKey()) {
    queryfx(
      $question->establishConnection('w'),
      'UPDATE %T SET mailKey = %s WHERE id = %d',
      $question->getTableName(),
      Filesystem::readRandomCharacters(20),
      $id);
    echo "Generated Key\n";
  } else {
    echo "-\n";
  }
}

echo "Done.\n";