function submit_quiz()
{
$quiz_id = $_POST['quiz_id'];
$user_id = get_current_user_id();
$access = get_user_meta($user_id, $quiz_id, true);
if (!isset($access) || !is_numeric($access)) {
_e('Invalid submission time.', 'vibe');
die;
}
$get_questions = vibe_sanitize(get_post_meta($quiz_id, 'quiz_questions' . $user_id, false));
if (!is_array($get_questions) || !is_array($get_questions['ques']) || !is_array($get_questions['marks'])) {
_e('Questions not set.', 'vibe');
die;
}
$answers = json_decode(stripslashes($_POST['answers']));
$flag = apply_filters('bp_course_quiz_insert_query', 1, $quiz_id, $answers);
if ($flag && !empty($answers)) {
$values = '';
foreach ($answers as $answer) {
$values .= "(" . $answer->id . ",'" . $answer->value . "'," . $user_id . ",1),";
}
$finalvalues = rtrim($values, ',');
global $wpdb;
$wpdb->query("INSERT INTO {$wpdb->comments}(comment_post_ID,comment_content,user_id,comment_approved) VALUES {$finalvalues}");
}
update_user_meta($user_id, $quiz_id, time());
update_post_meta($quiz_id, $user_id, 0);
do_action('wplms_submit_quiz', $quiz_id, $user_id);
$course_id = get_post_meta($quiz_id, 'vibe_quiz_course', true);
if (!empty($course_id)) {
// Course progressbar fix for single quiz
$curriculum = bp_course_get_curriculum_units($course_id);
$per = round(100 / count($curriculum), 2);
$progress = bp_course_get_user_progress($user_id, $course_id);
if (empty($progress)) {
$progress = 0;
}
$new_progress = $progress + $per;
if ($new_progress > 100) {
$new_progress = 100;
}
bp_course_update_user_progress($user_id, $course_id, $new_progress);
}
bp_course_quiz_auto_submit($quiz_id, $user_id);
die;
}
function auto_progress($progress, $course_id)
{
$vibe_course_auto_progress = get_post_meta($course_id, 'vibe_course_auto_progress', true);
if (vibe_validate($vibe_course_auto_progress)) {
$course_duration_parameter = apply_filters('vibe_course_duration_parameter', 86400, $course_id);
$user_id = get_current_user_id();
if (bp_course_is_member($course_id, $user_id)) {
$end_time = apply_filters('bp_course_auto_progress_user_start_time', get_user_meta($user_id, $course_id, true));
if (empty($end_time)) {
$end_time = time();
}
} else {
$start_date = get_post_meta($course_id, 'vibe_start_date', true);
if (empty($start_date)) {
$start_date = get_post_field('post_date', $course_id);
$start_time = strtotime($start_date);
} else {
$start_time = strtotime($start_date);
}
}
} else {
if (is_user_logged_in()) {
$user_id = get_current_user_id();
if (bp_course_is_member($course_id, $user_id)) {
$progress = bp_course_get_user_progress($user_id, $course_id);
if (!empty($progress)) {
return $progress;
} else {
return 0;
}
}
}
}
if (isset($end_time)) {
if ($end_time < time()) {
$progress = 100;
} else {
$elapsed = ($end_time - time()) / $course_duration_parameter;
$total = get_post_meta($course_id, 'vibe_duration', true);
$progress = 100 - round($elapsed / $total, 2) * 100;
}
} else {
if (isset($start_time)) {
$elapsed = (time() - $start_time) / $course_duration_parameter;
$total = get_post_meta($course_id, 'vibe_duration', true);
$progress = 100 - round($elapsed / $total, 2) * 100;
}
}
if ($progress < 0) {
$progress = 0;
}
if ($progress > 100) {
$progress = 100;
}
return $progress;
}
