/**
* @param UserId $userId
* @param TodoReminder $reminder
* @return void
* @throws Exception\InvalidReminder
*/
public function addReminder(UserId $userId, TodoReminder $reminder)
{
if (!$this->assigneeId()->sameValueAs($userId)) {
throw Exception\InvalidReminder::userIsNotAssignee($userId, $this->assigneeId());
}
if ($reminder->isInThePast()) {
throw Exception\InvalidReminder::reminderInThePast($reminder);
}
if ($this->status->isDone()) {
throw Exception\TodoNotOpen::triedToAddReminder($reminder, $this->status);
}
$this->recordThat(ReminderWasAddedToTodo::byUserToDate($this->todoId, $this->assigneeId, $reminder));
}
