/**
* Save the students state for this workshop to disk.
*
* @param UserState $state
* @return int
*/
public function serialize(UserState $state)
{
$saveFile = sprintf('%s/%s', $this->path, static::SAVE_FILE);
$data = file_exists($saveFile) ? $this->readJson($saveFile) : [];
$data[$this->workshopName] = ['completed_exercises' => $state->getCompletedExercises(), 'current_exercise' => $state->getCurrentExercise()];
return file_put_contents($saveFile, json_encode($data));
}
/**
* @param UserState $state
*
* @return int
*/
public function serialize(UserState $state)
{
return file_put_contents($this->path, json_encode(['completed_exercises' => $state->getCompletedExercises(), 'current_exercise' => $state->getCurrentExercise()]));
}