function gdlr_lms_header_signin()
{
if (is_user_logged_in()) {
global $current_user;
echo '<div class="gdlr-lms-header-signin">';
echo '<a href="' . get_author_posts_url($current_user->ID) . '" >' . $current_user->display_name . '</a>';
echo '<span class="gdlr-separator">|</span>';
echo '<a href="' . wp_logout_url(home_url()) . '" >' . __('Logout', 'gdlr-lms') . '</a>';
echo '</div>';
} else {
echo '<div class="gdlr-lms-header-signin">';
echo '<i class="fa fa-lock icon-lock"></i>';
echo '<a data-rel="gdlr-lms-lightbox" data-lb-open="login-form" >' . __('Sign In', 'gdlr-lms') . '</a>';
gdlr_lms_sign_in_lightbox_form();
echo '<span class="gdlr-separator">|</span>';
echo '<a href="' . esc_url(add_query_arg('register', get_permalink(), home_url())) . '">' . __('Sign Up', 'gdlr-lms') . '</a>';
echo '</div>';
}
}
function gdlr_lms_print_course_button($course_options, $options = array('buy', 'book', 'learn'))
{
global $gdlr_lms_option, $current_user;
echo '<div class="gdlr-course-button" >';
// for non member course
if (!empty($course_options['allow-non-member']) && $course_options['allow-non-member'] == 'enable' && (empty($course_options['online-course']) || $course_options['online-course'] == 'enable') && (in_array('buy', $options) || in_array('book', $options))) {
$options = array('start');
// if not logging in
} else {
if (!is_user_logged_in() && !in_array('finish-quiz', $options)) {
$lightbox_open = 'login-form';
gdlr_lms_sign_in_lightbox_form();
} else {
// when purchase button is available
if (in_array('buy', $options) || in_array('book', $options)) {
// prerequisite course
$prerequisite = false;
if (!empty($course_options['prerequisite-course']) && $course_options['prerequisite-course'] != 'none') {
$prerequisite = true;
$find_row = gdlr_lms_get_payment_row($course_options['prerequisite-course'], $current_user->ID);
$payment_status = empty($find_row) ? false : $find_row->payment_status;
$p_course_options = gdlr_lms_get_course_options($course_options['prerequisite-course']);
// if prerequisite is offline course
if (!empty($p_course_options['online-course']) && $p_course_options['online-course'] == 'disable') {
if ($payment_status == 'paid' || $payment_status == 'reserved') {
$prerequisite = false;
}
// for online course
} else {
if ($payment_status == 'paid' || $payment_status == 'reserved') {
// if prerequisite course has quiz
if (!empty($p_course_options['quiz']) && $p_course_options['quiz'] != 'none') {
$quiz_row = gdlr_lms_get_quiz_row($p_course_options['quiz'], $course_options['prerequisite-course'], $current_user->ID, 'quiz_status');
$quiz_status = empty($quiz_row) ? false : $quiz_row->quiz_status;
if ($quiz_status == 'complete' || $quiz_status == 'submitted') {
$prerequisite = false;
}
} else {
$p_section = empty($find_row) ? -1 : intval($find_row->attendance_section);
$p_course_settings = gdlr_lms_get_course_content_settings($course_options['prerequisite-course']);
if ($p_section == sizeof($p_course_settings)) {
$prerequisite = false;
}
}
}
}
}
// course author
global $post;
$is_course_author = $post->post_author == $current_user->ID;
// print button
if ($prerequisite) {
$options = array('prerequisite');
} else {
$find_row = gdlr_lms_get_payment_row(get_the_ID(), $current_user->ID, 'payment_status');
$payment_status = empty($find_row) ? false : $find_row->payment_status;
// for paid and free courses
if ($is_course_author || empty($course_options['price']) && empty($course_options['discount-price']) || $payment_status == 'paid') {
if (empty($course_options['online-course']) || $course_options['online-course'] == 'enable') {
$options = array('start');
} else {
if ($payment_status == 'reserved') {
$options = array('booking-status');
} else {
if ($payment_status != 'paid' && !$is_course_author) {
$options = array('book');
} else {
$options = array();
}
}
}
// booked course
} else {
if ($payment_status == 'pending' || $payment_status == 'submitted') {
$options = array('proceed-payment');
}
}
}
}
}
}
// receipt only
if (in_array('buy', $options) && !empty($gdlr_lms_option['payment-method']) && $gdlr_lms_option['payment-method'] == 'receipt') {
unset($options[array_search('buy', $options)]);
}
foreach ($options as $value) {
switch ($value) {
case 'buy':
if (empty($course_options['expired-date']) || time() < strtotime($course_options['expired-date'])) {
echo '<a data-rel="gdlr-lms-lightbox" data-lb-open="';
echo empty($lightbox_open) ? 'buy-form' : $lightbox_open;
echo '" class="gdlr-lms-button cyan" >' . __('Buy Now', 'gdlr-lms') . '</a>';
if (empty($lightbox_open)) {
gdlr_lms_purchase_lightbox_form($course_options, 'buy');
}
}
break;
case 'book':
if (empty($course_options['expired-date']) || time() < strtotime($course_options['expired-date'])) {
echo '<a data-rel="gdlr-lms-lightbox" data-lb-open="';
echo empty($lightbox_open) ? 'book-form' : $lightbox_open;
echo '" class="gdlr-lms-button blue" >' . __('Book Now', 'gdlr-lms') . '</a>';
if (empty($lightbox_open)) {
gdlr_lms_purchase_lightbox_form($course_options, 'book');
}
}
break;
case 'learn':
echo '<a class="gdlr-lms-button black" href="' . get_permalink() . '" >' . __('Learn More', 'gdlr-lms') . '</a>';
break;
case 'start':
echo '<a class="gdlr-lms-button cyan" href="' . esc_url(add_query_arg(array('course_type' => 'content', 'course_page' => 1), get_permalink())) . '" >';
_e('Start the course', 'gdlr-lms');
echo '</a>';
break;
case 'proceed-payment':
global $current_user;
echo '<a class="gdlr-lms-button cyan" href="' . esc_url(add_query_arg('type', 'book-courses', get_author_posts_url($current_user->ID))) . '" >';
_e('Proceed to Payment', 'gdlr-lms');
echo '</a>';
break;
case 'booking-status':
global $current_user;
echo '<a class="gdlr-lms-button cyan" href="' . esc_url(add_query_arg('type', 'free-onsite', get_author_posts_url($current_user->ID))) . '" >';
_e('Booking Status', 'gdlr-lms');
echo '</a>';
break;
case 'prerequisite':
echo __('You have to complete ', 'gdlr-lms') . '<a href="' . get_permalink($course_options['prerequisite-course']) . '" >';
echo get_the_title($course_options['prerequisite-course']);
echo '</a> ' . __('before you can access to this course.', 'gdlr-lms');
break;
case 'quiz':
if (!empty($course_options['quiz']) && $course_options['quiz'] != 'none') {
global $wpdb, $current_user;
$sql = 'SELECT * FROM ' . $wpdb->prefix . 'gdlrquiz ';
$sql .= 'WHERE quiz_id=' . $course_options['quiz'] . ' AND student_id=' . $current_user->ID . ' AND course_id=' . get_the_ID() . ' ';
$sql .= 'AND (quiz_status=\'complete\' OR quiz_status=\'submitted\')';
$old_quiz = $wpdb->get_row($sql);
if (!empty($old_quiz)) {
$quiz_val = gdlr_lms_decode_preventslashes(get_post_meta($course_options['quiz'], 'gdlr-lms-quiz-settings', true));
$quiz_options = empty($quiz_val) ? array() : json_decode($quiz_val, true);
if (!empty($quiz_options['retake-quiz']) && $quiz_options['retake-quiz'] == 'enable' && $old_quiz->retake_times < 9999 && (empty($quiz_options['retake-times']) || $old_quiz->retake_times < intval($quiz_options['retake-times']))) {
echo '<a class="gdlr-lms-button cyan" href="' . esc_url(add_query_arg(array('course_type' => 'quiz', 'course_page' => 1, 'retake' => 1), get_permalink())) . '" >';
_e('Retake a quiz', 'gdlr-lms');
echo '</a>';
}
} else {
if (is_user_logged_in()) {
echo '<a class="gdlr-lms-button cyan" href="' . esc_url(add_query_arg(array('course_type' => 'quiz', 'course_page' => 1), get_permalink())) . '" >';
_e('Take a quiz', 'gdlr-lms');
echo '</a>';
} else {
echo '<div class="gdlr-login-for-quiz" style="padding: 0px 20px 30px">';
_e('You have to register and login to the site before you can take the quiz.', 'gdlr-lms');
echo '</div>';
}
}
}
break;
case 'finish-quiz':
echo '<a href="' . esc_url(add_query_arg(array('course_type' => 'quiz', 'course_page' => 'finish'))) . '" ';
echo 'data-loading="' . __('Submitting the answer', 'gdlr-lms') . '" ';
echo 'class="gdlr-lms-button cyan finish-quiz-form-button" >';
_e('Finish the quiz', 'gdlr-lms');
echo '</a>';
gdlr_lms_finish_quiz_form();
break;
}
}
echo '</div>';
}
