}
break;
case 'downvote':
$post = new Post();
$PostID = sanitize_id($data['id']);
// check if question exists
$QNA = new QNA($PostID);
if (!is_object($QNA->get_question()) && !is_array($post->get_post($PostID, true))) {
die(json_encode(['status' => false, 'err' => 'Question was not found.']));
}
// check if user has not upvoted the question
$voted = QNA::has_voted($PostID, USER_ID);
if (!$voted) {
die(json_encode(['status' => false, 'err' => 'You haven\'t upvoted this question.']));
}
$remove = QNA::downvote($PostID, USER_ID);
if ($remove === true) {
die(json_encode(['status' => true]));
}
break;
case 'publish':
$PostID = sanitize_id($data['id']);
$QNA = new QNA($PostID);
// check if question exists
$question = $QNA->get_question();
if (!is_object($question)) {
die(json_encode(['status' => false, 'err' => 'Question was not found.']));
}
if (USER_ID !== $question->uid) {
die(json_encode(['status' => false, 'id' => $PostID, 'err' => 'Authentication error.']));
}
