/**
* Shortcode: educator_courses.
*
* @param array $atts
* @param string $content
* @return string
*/
function educator_courses_shortcode($atts, $content = null)
{
$atts = shortcode_atts(array('show_price' => 1, 'ids' => '', 'number' => 15, 'categories' => null), $atts);
$output = '<div class="courses-carousel owl-carousel">';
$params = array('post_type' => 'ib_educator_course', 'orderby' => 'menu_order', 'posts_per_page' => intval($atts['number']));
if ($atts['ids']) {
$ids = explode(' ', $atts['ids']);
$params['post__in'] = array();
foreach ($ids as $id) {
$params['post__in'][] = intval($id);
}
$params['posts_per_page'] = -1;
$params['orderby'] = 'post__in';
}
if ($atts['categories']) {
$categories = explode(' ', $atts['categories']);
foreach ($categories as $key => $term_id) {
$categories[$key] = intval($term_id);
}
$params['tax_query'] = array(array('taxonomy' => 'ib_educator_category', 'field' => 'term_id', 'terms' => $categories));
}
$query = new WP_Query($params);
if ($query->have_posts()) {
$course_id = 0;
while ($query->have_posts()) {
$query->the_post();
$course_id = get_the_ID();
$output .= '<article class="' . esc_attr(implode(' ', get_post_class('post-grid'))) . '">';
if (has_post_thumbnail()) {
$output .= '<div class="post-thumb"><a href="' . esc_url(get_permalink()) . '">' . get_the_post_thumbnail($course_id, 'ib-educator-grid') . '</a></div>';
}
$output .= '<div class="post-body">';
$output .= '<h2 class="entry-title"><a href="' . esc_url(get_permalink()) . '">' . the_title('', '', false) . '</a></h2>';
if (1 == $atts['show_price'] && 'closed' != ib_edu_registration($course_id)) {
$output .= '<div class="price">' . ib_edu_format_course_price(ib_edu_get_course_price($course_id)) . '</div>';
}
ob_start();
the_excerpt();
$output .= '<div class="post-excerpt">' . ob_get_clean() . '</div>';
$output .= '</div>';
if (function_exists('educator_course_meta')) {
$output .= '<footer class="post-meta">' . educator_course_meta($course_id, array('num_lessons', 'difficulty')) . educator_share('menu') . '</footer>';
}
$output .= '</article>';
}
wp_reset_postdata();
}
$output .= '</div>';
return $output;
}
$object_id = intval($_POST['membership_id']);
}
if ($object_id) {
$post = get_post($object_id);
}
}
// Check whether the selected item exists.
if (!$post || !in_array($post->post_type, array('ib_educator_course', 'ib_edu_membership'))) {
echo '<p>' . esc_html__('Please select a course to continue.', 'training') . '</p>';
return;
}
// Determine whether a user can pay for the item.
$access_status = '';
if ('ib_educator_course' == $post->post_type) {
// Registration allowed?
if ('closed' == ib_edu_registration($post->ID)) {
echo '<p>' . esc_html__('Registration for this course is closed.', 'training') . '</p>';
return;
}
$access_status = IB_Educator::get_instance()->get_access_status($post->ID, $user_id);
if (!in_array($access_status, array('course_complete', 'forbidden'))) {
echo '<p>' . ib_edu_get_access_status_message($access_status) . '</p>';
return;
}
}
// Show a login link to non-authenticated users.
if (!$user_id) {
$login_url = apply_filters('ib_educator_login_url', '');
if (empty($login_url)) {
if ('ib_educator_course' == $post->post_type) {
$login_url = wp_login_url(ib_edu_get_endpoint_url('edu-course', $post->ID, get_permalink()));
"><?php
the_post_thumbnail('ib-educator-grid');
?>
</a>
</div>
<?php
}
?>
<div class="post-body">
<?php
the_title('<h2 class="entry-title"><a href="' . esc_url(get_permalink()) . '" rel="bookmark">', '</a></h2>');
?>
<div class="price">
<?php
if ('closed' != ib_edu_registration($course_id)) {
echo ib_edu_format_price(ib_edu_get_course_price($course_id));
}
?>
</div>
<div class="post-excerpt"><?php
the_excerpt();
?>
</div>
</div>
<footer class="post-meta">
<?php
echo educator_course_meta($course_id, array('num_lessons', 'difficulty'));
echo educator_share('menu');
?>
/**
* Get HTML for the course price widget.
*
* @param int $course_id
* @param int $user_id
* @param string $before
* @param string $after
* @return string
*/
function ib_edu_get_price_widget($course_id, $user_id, $before = '<div class="ib-edu-course-price">', $after = '</div>')
{
// Registration allowed?
if ('closed' == ib_edu_registration($course_id)) {
return '';
}
// Check membership.
$membership_access = IB_Educator_Memberships::get_instance()->membership_can_access($course_id, $user_id);
/**
* Filter the course price widget.
*
* @since 1.3.2
*
* @param bool $membership_access Whether the user's current membership allows him/her to take the course.
*/
$output = apply_filters('ib_educator_course_price_widget', null, $membership_access, $course_id, $user_id);
if (null !== $output) {
return $output;
}
// Generate the widget.
$output = $before;
if ($membership_access) {
$register_url = ib_edu_get_endpoint_url('edu-action', 'join', get_permalink($course_id));
$output .= '<form action="' . esc_url($register_url) . '" method="post">';
$output .= '<input type="hidden" name="_wpnonce" value="' . wp_create_nonce('ib_educator_join') . '">';
$output .= '<input type="submit" class="ib-edu-button" value="' . __('Join', 'ibeducator') . '">';
$output .= '</form>';
} else {
$price = ib_edu_get_course_price($course_id);
$price = 0 == $price ? __('Free', 'ibeducator') : ib_edu_format_course_price($price);
$register_url = ib_edu_get_endpoint_url('edu-course', $course_id, get_permalink(ib_edu_page_id('payment')));
$output .= '<span class="price">' . $price . '</span><a href="' . esc_url($register_url) . '" class="ib-edu-button">' . __('Register', 'ibeducator') . '</a>';
}
$output .= $after;
return $output;
}
/**
* Join the course if membership allows.
*/
public static function join()
{
if (!isset($_POST['_wpnonce']) || !wp_verify_nonce($_POST['_wpnonce'], 'ib_educator_join')) {
return;
}
// Get the current user id.
$user_id = get_current_user_id();
if (!$user_id) {
return;
}
// Get course id.
$course_id = get_the_ID();
if (!$course_id) {
return;
}
// Registration allowed?
if ('closed' == ib_edu_registration($course_id)) {
return;
}
// Get course.
$course = get_post($course_id);
if (!$course || 'ib_educator_course' != $course->post_type) {
return;
}
$api = IB_Educator::get_instance();
$errors = new WP_Error();
// Check the course prerequisites.
if (!$api->check_prerequisites($course_id, $user_id)) {
$prerequisites_html = '';
$prerequisites = $api->get_prerequisites($course_id);
$courses = get_posts(array('post_type' => 'ib_educator_course', 'post_status' => 'publish', 'include' => $prerequisites));
if (!empty($courses)) {
foreach ($courses as $course) {
$prerequisites_html .= '<br><a href="' . esc_url(get_permalink($course->ID)) . '">' . esc_html($course->post_title) . '</a>';
}
}
$errors->add('prerequisites', sprintf(__('You have to complete the prerequisites for this course: %s', 'ibeducator'), $prerequisites_html));
ib_edu_message('course_join_errors', $errors);
return;
}
// Make sure the user can join this course.
$ms = IB_Educator_Memberships::get_instance();
if (!$ms->membership_can_access($course_id, $user_id)) {
return;
}
// Check if the user already has an inprogress entry for this course.
$entries = $api->get_entries(array('course_id' => $course_id, 'user_id' => $user_id, 'entry_status' => 'inprogress'));
if (!empty($entries)) {
return;
}
$user_membership = $ms->get_user_membership($user_id);
$entry = IB_Educator_Entry::get_instance();
$entry->course_id = $course_id;
$entry->object_id = $user_membership['membership_id'];
$entry->user_id = $user_id;
$entry->entry_origin = 'membership';
$entry->entry_status = 'inprogress';
$entry->entry_date = date('Y-m-d H:i:s');
$entry->save();
}
/**
* Get related courses.
*
* @param int $post_id
* @return string
*/
function educator_related_courses($post_id)
{
$terms = get_the_terms($post_id, 'ib_educator_category');
if (!$terms || is_wp_error($terms)) {
return;
}
$args = array('post_type' => 'ib_educator_course', 'posts_per_page' => 3, 'post__not_in' => array($post_id));
$terms_ids = array();
foreach ($terms as $term) {
$terms_ids[] = $term->term_id;
}
$args['tax_query'] = array(array('taxonomy' => 'ib_educator_category', 'terms' => $terms_ids));
$query = new WP_Query($args);
if ($query->have_posts()) {
$output = '<section class="related-courses">';
$output .= '<h1>' . __('Related Courses', 'ib-educator') . '</h1>';
$api = IB_Educator::get_instance();
$course_id = 0;
while ($query->have_posts()) {
$query->the_post();
$course_id = get_the_ID();
$output .= '<article class="' . esc_attr(implode(' ', get_post_class('clearfix'))) . '">';
if (has_post_thumbnail()) {
$output .= '<div class="post-thumb"><a href="' . esc_url(get_permalink()) . '">' . get_the_post_thumbnail($course_id, 'thumbnail') . '</a></div>';
}
$output .= '<div class="post-summary">' . '<h2 class="entry-title"><a href="' . esc_url(get_permalink()) . '">' . the_title('', '', false) . '</a></h2>';
ob_start();
the_excerpt();
$output .= '<div class="post-excerpt">' . ob_get_clean() . '</div>';
$output .= '<div class="post-meta">';
if ('closed' != ib_edu_registration($course_id)) {
$output .= '<span class="price">' . ib_edu_format_course_price(ib_edu_get_course_price($course_id)) . '</span>';
}
$output .= educator_course_meta($course_id, array('num_lessons', 'difficulty'));
$output .= '</div>';
$output .= '</div>';
$output .= '</article>';
}
wp_reset_postdata();
$output .= '</section>';
return $output;
}
return '';
}