function wplms_show_quiz_correct_answer($return, $quiz_id)
{
$course_id = get_post_meta($quiz_id, 'vibe_quiz_course', true);
if (is_numeric($course_id)) {
$user_id = get_current_user_id();
$course_status = bp_course_get_user_course_status($user_id, $course_id);
if ($course_status >= 3) {
return true;
} else {
return false;
}
}
return $return;
}
function the_course_button($id = NULL)
{
global $post;
if (isset($id) && $id) {
$course_id = $id;
} else {
$course_id = get_the_ID();
}
// Free Course
$free_course = get_post_meta($course_id, 'vibe_course_free', true);
if (!is_user_logged_in() && vibe_validate($free_course)) {
echo apply_filters('wplms_course_non_loggedin_user', '<a href="' . get_permalink($course_id) . '?error=login" class="course_button button full">' . __('TAKE THIS COURSE', 'vibe') . '</a>');
return;
}
$take_course_page_id = vibe_get_option('take_course_page');
if (function_exists('icl_object_id')) {
$take_course_page_id = icl_object_id($take_course_page_id, 'page', true);
}
$take_course_page = get_permalink($take_course_page_id);
$user_id = get_current_user_id();
do_action('wplms_the_course_button', $course_id, $user_id);
$coursetaken = get_user_meta($user_id, $course_id, true);
$auto_subscribe = 0;
if (isset($free_course) && $free_course && $free_course != 'H' && is_user_logged_in() && (!isset($coursetaken) || !is_numeric($coursetaken))) {
$auto_subscribe = 1;
}
$auto_subscribe = apply_filters('wplms_auto_subscribe', $auto_subscribe, $course_id);
if ($auto_subscribe) {
$duration = get_post_meta($course_id, 'vibe_duration', true);
$course_duration_parameter = apply_filters('vibe_course_duration_parameter', 86400);
$new_duration = time() + $course_duration_parameter * $duration;
//parameter 86400
$new_duration = apply_filters('wplms_free_course_check', $new_duration);
update_user_meta($user_id, $course_id, $new_duration);
bp_course_update_user_course_status($user_id, $course_id, 0);
$group_id = get_post_meta($course_id, 'vibe_group', true);
if (isset($group_id) && $group_id != '') {
groups_join_group($group_id, $user_id);
}
$coursetaken = $new_duration;
}
if (isset($coursetaken) && $coursetaken && is_user_logged_in()) {
// COURSE IS TAKEN & USER IS LOGGED IN
if ($coursetaken > time()) {
// COURSE ACTIVE
$course_user = bp_course_get_user_course_status($user_id, $course_id);
// Validates that a user has taken this course
$new_course_user = get_user_meta($user_id, 'course_status' . $course_id, true);
// Remove this line in 1.8.5
if (isset($course_user) && is_numeric($course_user) || isset($free_course) && $free_course && $free_course != 'H' && is_user_logged_in()) {
// COURSE PURCHASED SECONDARY VALIDATION
echo '<form action="' . apply_filters('wplms_take_course_page', $take_course_page, $course_id) . '" method="post">';
if (isset($new_course_user) && is_numeric($new_course_user) && $new_course_user) {
// For Older versions
switch ($course_user) {
case 1:
echo '<input type="submit" class="' . (isset($id) && $id ? '' : 'course_button full ') . 'button" value="' . __('START COURSE', 'vibe') . '">';
wp_nonce_field('start_course' . $user_id, 'start_course');
break;
case 2:
echo '<input type="submit" class="' . (isset($id) && $id ? '' : 'course_button full ') . 'button" value="' . __('CONTINUE COURSE', 'vibe') . '">';
wp_nonce_field('continue_course' . $user_id, 'continue_course');
break;
case 3:
echo '<a href="#" class="full button">' . __('COURSE UNDER EVALUATION', 'vibe') . '</a>';
break;
case 4:
$finished_course_access = vibe_get_option('finished_course_access');
if (isset($finished_course_access) && $finished_course_access) {
echo '<input type="submit" class="' . (isset($id) && $id ? '' : 'course_button full ') . 'button" value="' . __('FINISHED COURSE', 'vibe') . '">';
wp_nonce_field('continue_course' . $user_id, 'continue_course');
} else {
echo '<a href="#" class="full button">' . __('COURSE FINISHED', 'vibe') . '</a>';
}
break;
default:
$course_button_html = '<a class="course_button button">' . __('COURSE ENABLED', 'vibe') . '<span>' . __('CONTACT ADMIN TO ENABLE', 'vibe') . '</span></a>';
echo apply_filters('wplms_default_course_button', $course_button_html, $user_id, $course_id, $course_user);
break;
}
} else {
switch ($course_user) {
case 0:
echo '<input type="submit" class="' . (isset($id) && $id ? '' : 'course_button full ') . 'button" value="' . __('START COURSE', 'vibe') . '">';
wp_nonce_field('start_course' . $user_id, 'start_course');
break;
case 1:
echo '<input type="submit" class="' . (isset($id) && $id ? '' : 'course_button full ') . 'button" value="' . __('CONTINUE COURSE', 'vibe') . '">';
wp_nonce_field('continue_course' . $user_id, 'continue_course');
break;
case 2:
echo '<a href="#" class="full button">' . __('COURSE UNDER EVALUATION', 'vibe') . '</a>';
break;
default:
$finished_course_access = vibe_get_option('finished_course_access');
if (isset($finished_course_access) && $finished_course_access) {
echo '<input type="submit" class="' . (isset($id) && $id ? '' : 'course_button full ') . 'button" value="' . __('FINISHED COURSE', 'vibe') . '">';
wp_nonce_field('continue_course' . $user_id, 'continue_course');
} else {
echo '<a href="#" class="full button">' . __('COURSE FINISHED', 'vibe') . '</a>';
}
break;
}
}
echo '<input type="hidden" name="course_id" value="' . $course_id . '" />';
echo '</form>';
} else {
$pid = get_post_meta($course_id, 'vibe_product', true);
// SOME ISSUE IN PROCESS BUT STILL DISPLAYING THIS FOR NO REASON.
echo '<a href="' . get_permalink($pid) . '" class="' . (isset($id) && $id ? '' : 'course_button full ') . 'button">' . __('COURSE ENABLED', 'vibe') . '<span>' . __('CONTACT ADMIN TO ENABLE', 'vibe') . '</span></a>';
}
} else {
$pid = get_post_meta($course_id, 'vibe_product', true);
$pid = apply_filters('wplms_course_product_id', $pid, $course_id, -1);
// $id checks for Single Course page or Course page in the my courses section
if (is_numeric($pid)) {
$pid = get_permalink($pid);
}
echo '<a href="' . $pid . '" class="' . (isset($id) && $id ? '' : 'course_button full ') . 'button">' . __('Course Expired', 'vibe') . ' <span>' . __('Click to renew', 'vibe') . '</span></a>';
}
} else {
$pid = get_post_meta($course_id, 'vibe_product', true);
$pid = apply_filters('wplms_course_product_id', $pid, $course_id, 0);
if (is_numeric($pid)) {
$pid = get_permalink($pid);
$check = vibe_get_option('direct_checkout');
$check = intval($check);
if (isset($check) && $check) {
$pid .= '?redirect';
}
}
$extra = '';
if (isset($pid) && $pid) {
echo '<a href="' . $pid . '" class="' . (isset($id) && $id ? '' : 'course_button full ') . 'button">' . __('TAKE THIS COURSE', 'vibe') . apply_filters('wplms_course_button_extra', $extra, $course_id) . '</a>';
} else {
echo '<a href="' . apply_filters('wplms_private_course_button', '#', $course_id) . '" class="' . (isset($id) && $id ? '' : 'course_button full ') . 'button">' . apply_filters('wplms_private_course_button_label', __('PRIVATE COURSE', 'vibe'), $course_id) . '</a>';
}
}
}
function wplms_check_course_retake()
{
if (!isset($_POST['security'])) {
return;
}
$user_id = get_current_user_id();
if (!wp_verify_nonce($_POST['security'], 'retake' . $user_id)) {
echo '<p class="error">' . __('Security check failed !', 'vibe') . '</p>';
return;
}
$course_id = get_the_ID();
$status = bp_course_get_user_course_status($user_id, $course_id);
if (isset($status) && is_numeric($status)) {
// Necessary for continue course
do_action('wplms_student_course_reset', $course_id, $user_id);
bp_course_update_user_course_status($user_id, $course_id, 0);
// New function
$course_curriculum = vibe_sanitize(get_post_meta($course_id, 'vibe_course_curriculum', false));
foreach ($course_curriculum as $c) {
if (is_numeric($c)) {
delete_user_meta($user_id, $c);
delete_post_meta($c, $user_id);
if (get_post_type($c) == 'quiz') {
$questions = vibe_sanitize(get_post_meta($c, 'quiz_questions' . $user_id, false));
if (!isset($questions) || !is_array($questions)) {
// Fallback for Older versions
$questions = vibe_sanitize(get_post_meta($c, 'vibe_quiz_questions', false));
} else {
delete_post_meta($c, 'quiz_questions' . $user_id);
}
// Re-capture new questions in quiz begining
if (isset($questions) && is_array($questions) && is_Array($questions['ques'])) {
foreach ($questions['ques'] as $question) {
global $wpdb;
if (isset($question) && $question != '' && is_numeric($question)) {
$wpdb->query($wpdb->prepare("UPDATE {$wpdb->comments} SET comment_approved='trash' WHERE comment_post_ID=%d AND user_id=%d", $question, $user_id));
}
}
}
}
}
}
$user_badges = vibe_sanitize(get_user_meta($user_id, 'badges', false));
$user_certifications = vibe_sanitize(get_user_meta($user_id, 'certificates', false));
if (isset($user_badges) && is_Array($user_badges) && in_array($course_id, $user_badges)) {
$key = array_search($course_id, $user_badges);
unset($user_badges[$key]);
$user_badges = array_values($user_badges);
update_user_meta($user_id, 'badges', $user_badges);
}
if (isset($user_certifications) && is_Array($user_certifications) && in_array($course_id, $user_certifications)) {
$key = array_search($course_id, $user_certifications);
unset($user_certifications[$key]);
$user_certifications = array_values($user_certifications);
update_user_meta($user_id, 'certificates', $user_certifications);
}
/*==== End Fix ======*/
bp_course_record_activity(array('action' => __('Student retake Course ', 'vibe'), 'content' => __('Course ', 'vibe') . get_the_title($course_id) . __(' retake by student ', 'vibe') . bp_core_get_userlink($user_id), 'type' => 'retake_course', 'primary_link' => get_permalink($course_id), 'item_id' => $course_id, 'secondary_item_id' => $user_id));
echo "<script>jQuery(document).ready(function(\$){ \$.removeCookie('course_progress{$course_id}', { path: '/' });</script>";
} else {
echo '<p class="error">' . __('There was issue in retaking this course for the user. Please contact admin.', 'vibe') . '</p>';
}
}
function wplms_show_new_course_student_status_1($credits, $course_id)
{
if (is_user_logged_in()) {
$user_id = get_current_user_id();
$check = get_user_meta($user_id, $course_id, true);
if (isset($check) && $check) {
if ($check < time()) {
return '<strong>' . __('HỌC TIẾP', 'vibe') . '</strong>';
}
//Khải insert
$take_course_page_id = vibe_get_option('take_course_page');
if (function_exists('icl_object_id')) {
$take_course_page_id = icl_object_id($take_course_page_id, 'page', true);
}
$take_course_page = get_permalink($take_course_page_id);
//Khải end
$check_course = bp_course_get_user_course_status($user_id, $course_id);
$new_check_course = get_user_meta($user_id, 'course_status' . $course_id, true);
if (isset($new_check_course) && is_numeric($new_check_course) && $new_check_course) {
switch ($check_course) {
//Khải edit
case 1:
$credits = '<a href="' . get_permalink($course_id) . '"><strong>' . __('START', 'vibe') . '<span class="subs">' . __('COURSE', 'vibe') . '</span></strong></a>';
break;
case 2:
$credits = '<strong><span>HỌC TIẾP</span></strong>';
//$credits ='<form class="frm_course_continue" action="'.apply_filters('wplms_take_course_page',$take_course_page,$course_id).'" method="post">'.
// '<input class="btn_course_continue" type="submit" class="'.((isset($course_id) && $course_id )?'':'course_button full ').'button" value="'.__('HỌC TIẾP','vibe').'">'.
// '<input type="hidden" name="course_id" value="'.$course_id.'" />'.wp_nonce_field('continue_course'.$user_id,'continue_course').'
// </form>';
/* $credits ='<a href="'.apply_filters('wplms_take_course_page',$take_course_page,$course_id).'"><strong>'.__('HỌC TIẾP','vibe').'</strong></a>';*/
break;
case 3:
$credits = '<a href="' . get_permalink($course_id) . '"><strong>' . __('UNDER', 'vibe') . '<span class="subs">' . __('EVALUATION', 'vibe') . '</span></strong></a>';
break;
case 4:
$credits = '<a href="' . get_permalink($course_id) . '"><strong>' . __('HOÀN THÀNH', 'vibe') . '</strong></a>';
break;
default:
$credits = apply_filters('wplms_course_status_display', '<a href="' . get_permalink($course_id) . '"><strong>' . __('COURSE', 'vibe') . '<span class="subs">' . __('ENABLED', 'vibe') . '</span></strong></a>', $course_id);
break;
//Khải end
}
} else {
//Khải edit
switch ($check_course) {
case 0:
$credits = '<a href="' . get_permalink($course_id) . '"><strong>' . __('START', 'vibe') . '<span class="subs">' . __('COURSE', 'vibe') . '</span></strong></a>';
break;
case 1:
$credits = '<a href="' . get_permalink($course_id) . '"><strong>' . __('HỌC TIẾP', 'vibe') . '</strong></a>';
break;
case 2:
$credits = '<a href="' . get_permalink($course_id) . '"><strong>' . __('UNDER', 'vibe') . '<span class="subs">' . __('EVALUATION', 'vibe') . '</span></strong></a>';
break;
default:
$credits = '<a href="' . get_permalink($course_id) . '"><strong>' . __('HOÀN THÀNH', 'vibe') . '</strong></a>';
break;
//Khải end
}
}
}
}
return $credits;
}
if (isset($course_curriculum) && is_array($course_curriculum)) {
?>
<div class="more_course">
<a href="<?php
echo get_permalink($course_id);
?>
" class="unit_button full button"><?php
_e('BACK TO COURSE', 'vibe');
?>
</a>
<form action="<?php
echo get_permalink($course_id);
?>
" method="post">
<?php
$finishbit = bp_course_get_user_course_status($user_id, $course_id);
if (is_numeric($finishbit)) {
if ($finishbit < 4) {
echo '<input type="submit" name="review_course" class="review_course unit_button full button" value="' . __('REVIEW COURSE ', 'vibe') . '" />';
echo '<input type="submit" name="submit_course" class="review_course unit_button full button" value="' . __('FINISH COURSE ', 'vibe') . '" />';
}
}
?>
<?php
wp_nonce_field($course_id, 'review');
?>
</form>
</div>
<?php
}
function reset_course_user()
{
$course_id = $_POST['id'];
$user_id = $_POST['user'];
if (!isset($_POST['security']) || !wp_verify_nonce($_POST['security'], 'vibe_security')) {
echo '<p>' . __('Security check failed !', 'vibe') . '</p>';
die;
}
if (!isset($user_id) || !is_numeric($user_id) || !$user_id) {
echo '<p>' . __(' Incorrect User selected.', 'vibe') . '</p>';
die;
}
//delete_user_meta($user_id,$course_id) // DELETE ONLY IF USER SUBSCRIPTION EXPIRED
$status = bp_course_get_user_course_status($user_id, $course_id);
if (isset($status) && is_numeric($status)) {
// Necessary for continue course
bp_course_update_user_course_status($user_id, $course_id, 0);
// New function
$course_curriculum = bp_course_get_curriculum($course_id);
bp_course_update_user_progress($user_id, $course_id, 0);
foreach ($course_curriculum as $c) {
if (is_numeric($c)) {
delete_user_meta($user_id, $c);
delete_post_meta($c, $user_id);
if (get_post_type($c) == 'quiz') {
$questions = vibe_sanitize(get_post_meta($c, 'quiz_questions' . $user_id, false));
if (!isset($questions) || !is_array($questions)) {
// Fallback for Older versions
$questions = vibe_sanitize(get_post_meta($c, 'vibe_quiz_questions', false));
} else {
delete_post_meta($c, 'quiz_questions' . $user_id);
}
// Re-capture new questions in quiz begining
if (isset($questions) && is_array($questions) && is_Array($questions['ques'])) {
foreach ($questions['ques'] as $question) {
global $wpdb;
if (isset($question) && $question != '' && is_numeric($question)) {
$wpdb->query($wpdb->prepare("UPDATE {$wpdb->comments} SET comment_approved='trash' WHERE comment_post_ID=%d AND user_id=%d", $question, $user_id));
}
}
}
}
}
}
/*=== Fix in 1.5 : Reset Badges and CErtificates on Course Reset === */
$user_badges = vibe_sanitize(get_user_meta($user_id, 'badges', false));
$user_certifications = vibe_sanitize(get_user_meta($user_id, 'certificates', false));
if (isset($user_badges) && is_Array($user_badges) && in_array($course_id, $user_badges)) {
$key = array_search($course_id, $user_badges);
unset($user_badges[$key]);
$user_badges = array_values($user_badges);
update_user_meta($user_id, 'badges', $user_badges);
}
if (isset($user_certifications) && is_Array($user_certifications) && in_array($course_id, $user_certifications)) {
$key = array_search($course_id, $user_certifications);
unset($user_certifications[$key]);
$user_certifications = array_values($user_certifications);
update_user_meta($user_id, 'certificates', $user_certifications);
}
/*==== End Fix ======*/
echo '<p>' . __('Course Reset for User', 'vibe') . '</p>';
do_action('wplms_course_reset', $course_id, $user_id);
} else {
echo '<p>' . __('There was issue in resetting this course for the user. Please contact admin.', 'vibe') . '</p>';
}
die;
}
function wplms_before_start_course_status()
{
$user_id = get_current_user_id();
if (isset($_POST['start_course']) && wp_verify_nonce($_POST['start_course'], 'start_course' . $user_id)) {
$course_id = $_POST['course_id'];
$coursetaken = 1;
$cflag = 0;
$precourse = get_post_meta($course_id, 'vibe_pre_course', true);
if (!empty($precourse)) {
if (is_numeric($precourse)) {
$preid = bp_course_get_user_course_status($user_id, $precourse);
if (!empty($preid) && $preid > 2) {
// COURSE STATUSES : Since version 1.8.4
// 1 : START COURSE
// 2 : CONTINUE COURSE
// 3 : FINISH COURSE : COURSE UNDER EVALUATION
// 4 : COURSE EVALUATED
$cflag = 1;
}
} else {
if (is_array($precourse)) {
foreach ($precourse as $pc) {
$preid = bp_course_get_user_course_status($user_id, $pc);
if (!empty($preid) && $preid > 2) {
$cflag = 1;
} else {
//Break from loop
break;
}
}
}
}
} else {
$cflag = 1;
}
if ($cflag) {
$course_duration_parameter = apply_filters('vibe_course_duration_parameter', 86400, $course_id);
$expire = time() + $course_duration_parameter;
// One Unit logged in Limit for the course
setcookie('course', $course_id, $expire, '/');
bp_course_update_user_course_status($user_id, $course_id, 1);
//Since version 1.8.4
do_action('wplms_start_course', $course_id, $user_id);
} else {
header('Location: ' . get_permalink($course_id) . '?error=precourse');
}
} else {
if (isset($_POST['continue_course']) && wp_verify_nonce($_POST['continue_course'], 'continue_course' . $user_id)) {
$course_id = $_POST['course_id'];
$coursetaken = get_user_meta($user_id, $course_id, true);
setcookie('course', $course_id, $expire, '/');
} else {
if (isset($_COOKIE['course'])) {
$course_id = $_COOKIE['course'];
$coursetaken = 1;
} else {
wp_die(__('This Course can not be taken. Contact Administrator.', 'vibe'), 'Contact Admin', array(500, true));
}
}
}
}
