/**
* Check if a user has completed a course or not
*
* @param int | WP_Post | WP_Comment $course course_id or sensei_course_status entry
*
* @param int $user_id
* @return boolean
*/
public static function user_completed_course($course, $user_id = 0)
{
if ($course) {
if (is_object($course) && is_a($course, 'WP_Comment')) {
$user_course_status = $course->comment_approved;
} elseif (!is_numeric($course) && !is_a($course, 'WP_Post')) {
$user_course_status = $course;
} else {
if (!$user_id) {
$user_id = get_current_user_id();
}
if (is_a($course, 'WP_Post')) {
$course = $course->ID;
}
$user_course_status = Sensei_Utils::user_course_status($course, $user_id);
if (isset($user_course_status->comment_approved)) {
$user_course_status = $user_course_status->comment_approved;
}
}
if ($user_course_status && 'complete' == $user_course_status) {
return true;
}
}
return false;
}
/**
* Activate single course if already purchases
* @return void
*/
public function activate_purchased_single_course()
{
global $post, $current_user;
if (Sensei_WC::is_woocommerce_active()) {
if (!is_user_logged_in()) {
return;
}
if (!isset($post->ID)) {
return;
}
$user_id = $current_user->ID;
$course_id = $post->ID;
$course_product_id = (int) get_post_meta($course_id, '_course_woocommerce_product', true);
if (!$course_product_id) {
return;
}
$user_course_status = Sensei_Utils::user_course_status(intval($course_id), $user_id);
// Ignore course if already completed
if (Sensei_Utils::user_completed_course($user_course_status)) {
return;
}
// Ignore course if already started
if ($user_course_status) {
return;
}
// Get all user's orders
$order_args = array('post_type' => 'shop_order', 'posts_per_page' => -1, 'post_status' => array('wc-processing', 'wc-completed'), 'meta_query' => array(array('key' => '_customer_user', 'value' => $user_id)), 'fields' => 'ids');
$orders = get_posts($order_args);
foreach ($orders as $order_post_id) {
// Get course product IDs from order
$order = new WC_Order($order_post_id);
$items = $order->get_items();
foreach ($items as $item) {
$product = wc_get_product($item['product_id']);
// handle product bundles
if (is_object($product) && $product->is_type('bundle')) {
$bundled_product = new WC_Product_Bundle($product->id);
$bundled_items = $bundled_product->get_bundled_items();
foreach ($bundled_items as $bundled_item) {
if ($bundled_item->product_id == $course_product_id) {
Sensei_Utils::user_start_course($user_id, $course_id);
return;
}
}
} else {
// handle regular products
if ($item['product_id'] == $course_product_id) {
Sensei_Utils::user_start_course($user_id, $course_id);
return;
}
}
}
}
}
}
/**
* Output the course actions like start taking course, register, add to cart etc.
*
* @since 1.9.0
*/
public static function the_course_enrolment_actions()
{
?>
<section class="course-meta course-enrolment">
<?php
global $post, $current_user;
$is_user_taking_course = Sensei_Utils::user_started_course($post->ID, $current_user->ID);
if (is_user_logged_in() && !$is_user_taking_course) {
// Get the product ID
$wc_post_id = absint(get_post_meta($post->ID, '_course_woocommerce_product', true));
// Check for woocommerce
if (Sensei_WC::is_woocommerce_active() && 0 < intval($wc_post_id)) {
sensei_wc_add_to_cart($post->ID);
} else {
sensei_start_course_form($post->ID);
}
// End If Statement
} elseif (is_user_logged_in()) {
// Check if course is completed
$user_course_status = Sensei_Utils::user_course_status($post->ID, $current_user->ID);
$completed_course = Sensei_Utils::user_completed_course($user_course_status);
// Success message
if ($completed_course) {
?>
<div class="status completed"><?php
_e('Completed', 'woothemes-sensei');
?>
</div>
<?php
$has_quizzes = Sensei()->course->course_quizzes($post->ID, true);
if (has_filter('sensei_results_links') || $has_quizzes) {
?>
<p class="sensei-results-links">
<?php
$results_link = '';
if ($has_quizzes) {
$results_link = '<a class="view-results" href="' . Sensei()->course_results->get_permalink($post->ID) . '">' . __('View results', 'woothemes-sensei') . '</a>';
}
/**
* Filter documented in Sensei_Course::the_course_action_buttons
*/
$results_link = apply_filters('sensei_results_links', $results_link, $post->ID);
echo $results_link;
?>
</p>
<?php
}
?>
<?php
} else {
?>
<div class="status in-progress"><?php
echo __('In Progress', 'woothemes-sensei');
?>
</div>
<?php
}
} else {
// Get the product ID
$wc_post_id = absint(get_post_meta($post->ID, '_course_woocommerce_product', true));
// Check for woocommerce
if (Sensei_WC::is_woocommerce_active() && 0 < intval($wc_post_id)) {
sensei_wc_add_to_cart($post->ID);
} else {
if (get_option('users_can_register')) {
$my_courses_page_id = '';
/**
* Filter to force Sensei to output the default WordPress user
* registration link.
*
* @since 1.9.0
* @param bool $wp_register_link default false
*/
$wp_register_link = apply_filters('sensei_use_wp_register_link', false);
$settings = Sensei()->settings->get_settings();
if (isset($settings['my_course_page']) && 0 < intval($settings['my_course_page'])) {
$my_courses_page_id = $settings['my_course_page'];
}
// If a My Courses page was set in Settings, and 'sensei_use_wp_register_link'
// is false, link to My Courses. If not, link to default WordPress registration page.
if (!empty($my_courses_page_id) && $my_courses_page_id && !$wp_register_link) {
$my_courses_url = get_permalink($my_courses_page_id);
$register_link = '<a href="' . $my_courses_url . '">' . __('Register', 'woothemes-sensei') . '</a>';
echo '<div class="status register">' . $register_link . '</div>';
} else {
wp_register('<div class="status register">', '</div>');
}
}
// end if user can register
}
// End If Statement
}
// End If Statement
?>
</section><?php
}
/**
* Compare the user's subscriptions end date with the date
* the user was added to the course. If the user was added after
* the subscription ended they were manually added and this will return
* true.
*
* Important to note that all subscriptions for the user is compared.
*
* @since 1.9.0
*
* @param $user_id
* @param $product_id
* @param $course_id
*
* @return bool
*/
public static function was_user_added_without_subscription($user_id, $product_id, $course_id)
{
$course_start_date = '';
$subscription_start_date = '';
$is_a_subscription = '';
$was_user_added_without_subscription = true;
// if user is not on the course they were not added
if (!Sensei_Utils::user_started_course($course_id, $user_id)) {
return false;
}
// if user doesn't have a subscription and is taking the course
// they were added manually
if (!wcs_user_has_subscription($user_id, $product_id) && Sensei_Utils::user_started_course($course_id, get_current_user_id())) {
return true;
}
$course_status = Sensei_Utils::user_course_status($course_id, $user_id);
// comparing dates setup data
$course_start_date = date_create($course_status->comment_date);
$subscriptions = wcs_get_users_subscriptions($user_id);
// comparing every subscription
foreach ($subscriptions as $subscription) {
// for the following statuses we know the user was not added
// manually
$status = $subscription->get_status();
if (in_array($status, array('pending-canceled', 'active', 'on-hold', 'pending'))) {
continue;
}
$current_subscription_start_date = date_create($subscription->modified_date);
// is the last updated subscription date newer than course start date
if ($current_subscription_start_date > $course_start_date) {
return false;
}
}
return $was_user_added_without_subscription;
}
