function learn_press_submit_answer()
{
_deprecated_function('learn_press_submit_answer', '0.9.15', false);
$quiz_id = !empty($_REQUEST['quiz_id']) ? intval($_REQUEST['quiz_id']) : 0;
$question_id = !empty($_REQUEST['question_id']) ? intval($_REQUEST['question_id']) : 0;
$next_id = !empty($_REQUEST['next_id']) ? intval($_REQUEST['next_id']) : learn_press_get_next_question($quiz_id, $question_id);
$question_answer = isset($_REQUEST['question_answer']) ? $_REQUEST['question_answer'] : null;
$finish = isset($_REQUEST['finish']) ? $_REQUEST['finish'] : null;
$user_id = get_current_user_id();
$json = array();
$ques = lpr_get_question($question_id);
if ($ques) {
$ques->submit_answer($quiz_id, $question_answer);
}
ob_start();
if ($next_id) {
do_action('learn_press_submit_answer', $question_answer, $question_id, $quiz_id, $user_id, false);
learn_press_get_template('quiz/form-question.php', array('question_id' => $next_id, 'course_id' => learn_press_get_course_by_quiz($quiz_id)));
} else {
$question_ids = learn_press_get_user_quiz_questions($quiz_id, $user_id);
$quiz_completed = get_user_meta($user_id, '_lpr_quiz_completed', true);
$quiz_completed[$quiz_id] = current_time('timestamp');
update_user_meta($user_id, '_lpr_quiz_completed', $quiz_completed);
$course_id = learn_press_get_course_by_quiz($quiz_id);
if (!learn_press_user_has_finished_course($course_id)) {
if (learn_press_user_has_completed_all_parts($course_id, $user_id)) {
learn_press_finish_course($course_id, $user_id);
}
}
learn_press_get_template('quiz/result.php');
$json['quiz_completed'] = true;
do_action('learn_press_submit_answer', $question_answer, $question_id, $quiz_id, $user_id, true);
}
$output = ob_get_clean();
if (defined('DOING_AJAX') && DOING_AJAX) {
$json['html'] = $output;
$json['redirect'] = apply_filters('learn_press_submit_answer_redirect_url', get_the_permalink($quiz_id), $question_answer, $question_id, $quiz_id, $user_id);
learn_press_send_json($json);
}
}
function finish_quiz($quiz_id)
{
$quiz = LP_Quiz::get_quiz($quiz_id);
if (!$quiz) {
return;
}
$user_id = $this->id;
$time = current_time('timestamp');
$quiz_start = get_user_meta($user_id, '_lpr_quiz_start_time', true);
$quiz_completed = get_user_meta($user_id, '_lpr_quiz_completed', true);
$quiz_duration = absint(get_post_meta($quiz_id, '_lpr_duration', true)) * 60;
if ($time - $quiz_start[$quiz_id] > $quiz_duration) {
$time = $quiz_start[$quiz_id] - $quiz_duration;
}
$quiz_completed[$quiz_id] = $time;
update_user_meta($user_id, '_lpr_quiz_completed', $quiz_completed);
$course_id = learn_press_get_course_by_quiz($quiz_id);
if (!learn_press_user_has_finished_course($course_id)) {
if (learn_press_user_has_completed_all_parts($course_id, $user_id)) {
learn_press_finish_course($course_id, $user_id);
}
}
do_action('learn_press_finish_quiz', $quiz_id, $user_id);
}
/**
* Return if a student passes course or not
*
* @param $course_id int
* @param $user_id int
*
* @return boolean
*/
function learn_press_user_has_passed_course($course_id = null, $user_id = null)
{
$course_id = learn_press_get_course_id($course_id);
if (!$user_id) {
$user_id = get_current_user_id();
}
if (!$course_id || !$user_id) {
return 0;
}
$has_finished = learn_press_user_has_finished_course($course_id, $user_id);
if (get_post_meta($course_id, '_lpr_course_final', true) == 'yes' && ($quiz = lpr_get_final_quiz($course_id))) {
$passed = learn_press_quiz_evaluation($quiz, $user_id);
$passing_condition = learn_press_get_course_passing_condition($course_id);
} else {
$passed = lpr_course_evaluation($course_id);
$passing_condition = 0;
}
return $passing_condition ? $passed >= $passing_condition ? $passed : 0 : $passed == 100;
}
/**
* Retake course action
*/
public static function retake_course()
{
$course_id = !empty($_REQUEST['course_id']) ? $_REQUEST['course_id'] : 0;
$user_id = !empty($_REQUEST['user_id']) ? $_REQUEST['user_id'] : get_current_user_id();
if (!$user_id || !$course_id) {
wp_die(__('Error', 'learn_press'));
}
////
// Of course, user only retake course if he has finished
if (!learn_press_user_has_finished_course($course_id, $user_id)) {
wp_die(__('Error', 'learn_press'));
}
// reset course start time
$course_time = get_user_meta($user_id, '_lpr_course_time', true);
if ($course_time && !empty($course_time[$course_id])) {
$course_time[$course_id] = array('start' => time(), 'end' => null);
update_user_meta($user_id, '_lpr_course_time', $course_time);
}
// reset course user finished
$course_finished = get_user_meta($user_id, '_lpr_course_finished', true);
if ($course_finished && in_array($course_id, $course_finished)) {
if (false !== ($position = array_search($course_id, $course_finished))) {
unset($course_finished[$position]);
update_user_meta($user_id, '_lpr_course_finished', $course_finished);
}
}
$user_finished = get_post_meta($course_id, '_lpr_user_finished', true);
if ($user_finished) {
if (false !== ($position = array_search($user_id, $user_finished))) {
unset($user_finished[$position]);
update_post_meta($course_id, '_lpr_user_finished', $user_finished);
}
}
// reset the lessons user has completed
$lessons = get_user_meta($user_id, '_lpr_lesson_completed', true);
if ($lessons && isset($lessons[$course_id])) {
unset($lessons[$course_id]);
update_user_meta($user_id, '_lpr_lesson_completed', $lessons);
}
$quizzes = learn_press_get_quizzes($course_id);
// remove all quizzes in the course which user has taken
if ($quizzes) {
$quiz_start_time = get_user_meta($user_id, '_lpr_quiz_start_time', true);
$quiz_question = get_user_meta($user_id, '_lpr_quiz_questions', true);
$quiz_current_question = get_user_meta($user_id, '_lpr_quiz_current_question', true);
$quiz_question_answer = get_user_meta($user_id, '_lpr_quiz_question_answer', true);
$quiz_completed = get_user_meta($user_id, '_lpr_quiz_completed', true);
foreach ($quizzes as $quiz_id) {
delete_user_meta($user_id, '_lpr_quiz_taken', $quiz_id);
if (isset($quiz_start_time[$quiz_id])) {
unset($quiz_start_time[$quiz_id]);
}
if (isset($quiz_question[$quiz_id])) {
unset($quiz_question[$quiz_id]);
}
if (isset($quiz_current_question[$quiz_id])) {
unset($quiz_current_question[$quiz_id]);
}
if (isset($quiz_question_answer[$quiz_id])) {
unset($quiz_question_answer[$quiz_id]);
}
if (isset($quiz_completed[$quiz_id])) {
unset($quiz_completed[$quiz_id]);
}
}
update_user_meta($user_id, '_lpr_quiz_start_time', $quiz_start_time);
update_user_meta($user_id, '_lpr_quiz_questions', $quiz_question);
update_user_meta($user_id, '_lpr_quiz_current_question', $quiz_current_question);
update_user_meta($user_id, '_lpr_quiz_question_answer', $quiz_question_answer);
update_user_meta($user_id, '_lpr_quiz_completed', $quiz_completed);
}
update_user_meta($user_id, '_lpr_course_taken', $course_id);
wp_send_json(array('redirect' => get_permalink($course_id)));
die;
}
/**
* Display the "Complete button" if user hasn't completed lesson
* Otherwise, display the message says that they has finished
*/
function learn_press_course_content_lesson_action()
{
// we are in lesson not course
if (learn_press_user_has_completed_lesson()) {
_e('Congratulations! You have completed this lesson.', 'learn_press');
} else {
$course_id = learn_press_get_course_by_lesson(get_the_ID());
if (!learn_press_user_has_finished_course($course_id) && learn_press_user_has_enrolled_course($course_id)) {
printf('<button class="complete-lesson-button" data-id="%d">%s</button>', get_the_ID(), __('Complete Lesson', 'learn_press'));
}
}
}
function learn_press_submit_answer()
{
$quiz_id = !empty($_REQUEST['quiz_id']) ? intval($_REQUEST['quiz_id']) : 0;
$question_id = !empty($_REQUEST['question_id']) ? intval($_REQUEST['question_id']) : 0;
$next_id = !empty($_REQUEST['next_id']) ? intval($_REQUEST['next_id']) : 0;
$question_answer = isset($_REQUEST['question_answer']) ? $_REQUEST['question_answer'] : null;
$finish = isset($_REQUEST['finish']) ? $_REQUEST['finish'] : null;
$user_id = get_current_user_id();
$json = array();
ob_start();
$ques = lpr_get_question($question_id);
if ($ques) {
$ques->submit_answer($quiz_id, $question_answer);
}
if ($next_id) {
/*$ques = lpr_get_question( $next_id );
if( $ques ){
$quiz_answers = learn_press_get_question_answers(null, $quiz_id );
$ques->render( array(
'answer' => isset( $quiz_answers[$next_id] ) ? $quiz_answers[$next_id] : null
));
}*/
learn_press_get_template('quiz/form-question.php', array('question_id' => $next_id, 'course_id' => learn_press_get_course_by_quiz($quiz_id)));
} else {
$question_ids = learn_press_get_user_quiz_questions($quiz_id, $user_id);
$quiz_completed = get_user_meta($user_id, '_lpr_quiz_completed', true);
$quiz_completed[$quiz_id] = time();
update_user_meta($user_id, '_lpr_quiz_completed', $quiz_completed);
$course_id = learn_press_get_course_by_quiz($quiz_id);
if (!learn_press_user_has_finished_course($course_id)) {
if (learn_press_user_has_completed_all_parts($course_id, $user_id)) {
learn_press_finish_course($course_id, $user_id);
}
}
learn_press_get_template('quiz/result.php');
$json['quiz_completed'] = true;
}
$json['html'] = ob_get_clean();
wp_send_json($json);
die;
}
