/**
* Grabs all quizzes and resaves them so they get rebuilt in the DB with any new
* options, etc
*/
public function resave_quizzes()
{
// get all the quizzes
$quiz_ids = $this->get_all_quiz_ids();
// PDO to grab ALL unique Quiz IDs
$save_quiz = new Enp_quiz_Save_quiz();
// query to get ALL quizzes
// for now, just do one
if (!empty($quiz_ids)) {
foreach ($quiz_ids as $quiz_id) {
$quiz = new Enp_quiz_Quiz($quiz_id);
// turn it into an array
$quiz = (array) $quiz;
// we have to set this as the quiz created by value so it will allow us to update
// in the future, we can set it to an admin value once we allow that
$quiz['quiz_updated_by'] = $quiz['quiz_owner'];
$quiz['quiz_updated_at'] = date("Y-m-d H:i:s");
// save the quiz
$save_quiz->save($quiz);
}
}
}
public function save_quiz()
{
// make sure they're logged in and own this quiz
// returns current_user_id if valid
$user_id = $this->validate_user();
$params = array();
if (isset($_POST['enp_quiz'])) {
$posted_quiz = $_POST['enp_quiz'];
if (isset($posted_quiz['new_quiz'])) {
$new_quiz_flag = $posted_quiz['new_quiz'];
} else {
$new_quiz_flag = '0';
}
}
if (isset($_POST['enp_question'])) {
$posted_question = $_POST['enp_question'];
}
if (isset($_POST['enp-quiz-submit'])) {
$posted_user_action = $_POST['enp-quiz-submit'];
}
if (isset($_POST['enp_quiz_nonce'])) {
$posted_nonce = $_POST['enp_quiz_nonce'];
}
//Is it a POST request?
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
//Validate the form key
if (!isset($posted_nonce) || !self::$nonce->validate($posted_nonce)) {
// Form key is invalid,
// return them to the page (they're probably refreshing the page)
self::$message['error'][] = 'Quiz was not resaved';
return false;
}
}
// initiate the save_quiz object
// get access to wpdb
global $wpdb;
// set-up an empty array for our quiz submission
$quiz = array();
// extract values
// set the date_time to pass
$date_time = date("Y-m-d H:i:s");
// build our array to save
if (isset($posted_quiz)) {
$quiz = array('quiz' => $posted_quiz, 'quiz_updated_by' => $user_id, 'quiz_updated_at' => $date_time);
}
if (isset($posted_question) && !empty($posted_question)) {
$quiz['question'] = $posted_question;
}
if (isset($posted_user_action) && !empty($posted_user_action)) {
// get the value of the button they clicked
$quiz['user_action'] = $posted_user_action;
} else {
// no submit button clicked? Should never happen
self::$message['error'][] = 'The form was not submitted right. Please contact our support and let them know how you reached this error';
return false;
}
// initiate the save_quiz object
$save_quiz = new Enp_quiz_Save_quiz();
// save the quiz by passing our $quiz array to the save function
$response = $save_quiz->save($quiz);
// set it as our messages to return to the user
self::$message = $this->set_message($response);
// get the ID of the quiz that was just created (if there)
$quiz_id = $response->quiz_id;
// set-up vars for our next steps
$save_action = $response->action;
// set the user_action so we know what the user was wanting to do
self::$user_action = $response->user_action;
// check to see if we have a successful save response from the save class
// REMEMBER: A successful save can still have an error message
// such as "Quiz Updated. Hey! You don't have any questions though!"
if ($response->status !== 'success') {
// No successful save, so return them to the same page and display error messages
return false;
}
//*************************//
// SUCCESS! Now what...? //
//*************************//
if (defined('DOING_AJAX') && DOING_AJAX) {
$json_response = $response;
$json_response = json_encode($json_response);
wp_send_json($json_response);
// always end ajax with exit()
exit;
} elseif (self::$user_action['action'] === 'next' && self::$user_action['element'] === 'preview' && empty(self::$message['error'])) {
// unset the cookies for the current quiz
// in case they deleted questions and just in general
// to make it feel as expected (starting quiz from beginning)
$preview_quiz = new Enp_quiz_Quiz($quiz_id);
$this->unset_quiz_take_cookies($preview_quiz);
$this->redirect_to_quiz_preview($quiz_id);
} elseif (self::$user_action['action'] === 'next' && self::$user_action['element'] === 'publish' && empty(self::$message['error'])) {
// unset the cookies for the current quiz
$published_quiz = new Enp_quiz_Quiz($quiz_id);
$this->unset_quiz_take_cookies($published_quiz);
// redirect to the quiz publish page
$this->redirect_to_quiz_publish($quiz_id);
} elseif ($save_action === 'insert' || $new_quiz_flag === '1') {
// they don't want to move on yet, but they're inserting,
// so we need to send them to their newly created quiz create page
$this->redirect_to_quiz_create($quiz_id);
} else {
// we have errors! Oh no! Send them back to fix it
return false;
}
}