/**
* Outputs the lessons course signup lingk
*
* This hook runs inside the single lesson page.
*
* @since 1.9.0
*/
public static function course_signup_link()
{
$course_id = Sensei()->lesson->get_course_id(get_the_ID());
if (empty($course_id) || 'course' != get_post_type($course_id) || sensei_all_access()) {
return;
}
?>
<section class="course-signup lesson-meta">
<?php
$wc_post_id = (int) get_post_meta($course_id, '_course_woocommerce_product', true);
if (Sensei_WC::is_woocommerce_active() && 0 < $wc_post_id) {
global $current_user;
if (is_user_logged_in()) {
wp_get_current_user();
$course_purchased = Sensei_Utils::sensei_customer_bought_product($current_user->user_email, $current_user->ID, $wc_post_id);
if ($course_purchased) {
$prereq_course_id = get_post_meta($course_id, '_course_prerequisite', true);
$course_link = '<a href="' . esc_url(get_permalink($prereq_course_id)) . '" title="' . esc_attr(get_the_title($prereq_course_id)) . '">' . __('the previous course', 'woothemes-sensei') . '</a>';
?>
<div class="sensei-message info">
<?php
echo sprintf(__('Please complete %1$s before starting the lesson.', 'woothemes-sensei'), $course_link);
?>
</div>
<?php
} else {
?>
<div class="sensei-message info">
<?php
$course_link = '<a href="' . esc_url(get_permalink($course_id)) . '"title="' . __('Sign Up', 'woothemes-sensei') . '">' . __('course', 'woothemes-sensei') . '</a>';
echo sprintf(__('Please purchase the %1$s before starting the lesson.', 'woothemes-sensei'), $course_link);
?>
</div>
<?php
}
?>
<?php
} else {
?>
<div class="sensei-message info"><?php
echo sprintf(__('Please purchase the %1$s before starting the lesson.', 'woothemes-sensei'), '<a href="' . esc_url(get_permalink($course_id)) . '" title="' . __('Sign Up', 'woothemes-sensei') . '">' . __('course', 'woothemes-sensei') . '</a>');
?>
</div>
<?php
}
?>
<?php
} else {
?>
<?php
if (!Sensei_Utils::user_started_course($course_id, get_current_user_id()) && sensei_is_login_required()) {
?>
<div class="sensei-message alert">
<?php
$course_link = '<a href="' . esc_url(get_permalink($course_id)) . '" title="' . __('Sign Up', 'woothemes-sensei') . '">' . __('course', 'woothemes-sensei') . '</a>';
if (Sensei_Utils::is_preview_lesson(get_the_ID())) {
echo sprintf(__('This is a preview lesson. Please sign up for the %1$s to access all lessons.', 'woothemes-sensei'), $course_link);
} else {
echo sprintf(__('Please sign up for the %1$s before starting the lesson.', 'woothemes-sensei'), $course_link);
}
?>
</div>
<?php
}
?>
<?php
}
// End If Statement
?>
</section>
<?php
}
public function sensei_course_preview_titles($title, $lesson_id)
{
global $post, $current_user;
$course_id = $post->ID;
$title_text = '';
if (method_exists('Sensei_Utils', 'is_preview_lesson') && Sensei_Utils::is_preview_lesson($lesson_id)) {
$is_user_taking_course = Sensei_Utils::sensei_check_for_activity(array('post_id' => $course_id, 'user_id' => $current_user->ID, 'type' => 'sensei_course_status'));
if (!$is_user_taking_course) {
if (method_exists('WooThemes_Sensei_Frontend', 'sensei_lesson_preview_title_text')) {
$title_text = Sensei()->frontend->sensei_lesson_preview_title_text($course_id);
// Remove brackets for display here
$title_text = str_replace('(', '', $title_text);
$title_text = str_replace(')', '', $title_text);
$title_text = '<span class="preview-label">' . $title_text . '</span>';
}
$title .= ' ' . $title_text;
}
}
return $title;
}
/**
* Ouput the single lesson meta
*
* The function should only be called on the single lesson
*
*/
function sensei_the_single_lesson_meta()
{
// if the lesson meta is included within theme load that instead of the function content
$template = Sensei_Templates::locate_template('single-lesson/lesson-meta.php');
if (!empty($template)) {
Sensei_Templates::get_template('single-lesson/lesson-meta.php');
return;
}
// Get the meta info
$lesson_course_id = absint(get_post_meta(get_the_ID(), '_lesson_course', true));
$is_preview = Sensei_Utils::is_preview_lesson(get_the_ID());
// Complete Lesson Logic
do_action('sensei_complete_lesson');
// Check that the course has been started
if (Sensei()->access_settings() || Sensei_Utils::user_started_course($lesson_course_id, get_current_user_id()) || $is_preview) {
?>
<section class="lesson-meta">
<?php
if (apply_filters('sensei_video_position', 'top', get_the_ID()) == 'bottom') {
do_action('sensei_lesson_video', get_the_ID());
}
?>
<?php
do_action('sensei_frontend_messages');
?>
<?php
if (!$is_preview || Sensei_Utils::user_started_course($lesson_course_id, get_current_user_id())) {
sensei_do_deprecated_action('sensei_lesson_quiz_meta', '1.9.0', 'sensei_single_lesson_content_inside_before', array(get_the_ID(), get_current_user_id()));
}
?>
</section>
<?php
do_action('sensei_lesson_back_link', $lesson_course_id);
?>
<?php
}
do_action('sensei_lesson_meta_extra', get_the_ID());
}
/**
* Show the user not taking course message if it is the case
*
* @since 1.9.0
*/
public static function user_not_taking_course_message()
{
$lesson_id = get_the_ID();
if ('lesson' != get_post_type($lesson_id)) {
return;
}
$is_preview = Sensei_Utils::is_preview_lesson($lesson_id);
$pre_requisite_complete = self::is_prerequisite_complete($lesson_id, get_current_user_id());
$lesson_course_id = get_post_meta($lesson_id, '_lesson_course', true);
$user_taking_course = Sensei_Utils::user_started_course($lesson_course_id, get_current_user_id());
if ($pre_requisite_complete && $is_preview && !$user_taking_course) {
?>
<div class="sensei-message alert">
<?php
echo Sensei()->permissions_message['message'];
?>
</div>
<?php
}
// end if
}
public function sensei_lesson_preview_title($title = '', $id = 0)
{
global $post, $current_user;
// Limit to lessons and check if lesson ID matches filtered post ID
// @see https://github.com/woothemes/sensei/issues/574
if (isset($post->ID) && $id == $post->ID && 'lesson' == get_post_type($post)) {
// Limit to main query only
if (is_main_query()) {
// Get the course ID
$course_id = get_post_meta($post->ID, '_lesson_course', true);
// Check if the user is taking the course
if (is_singular('lesson') && Sensei_Utils::is_preview_lesson($post->ID) && !Sensei_Utils::user_started_course($course_id, $current_user->ID) && $post->ID == $id) {
$title .= ' ' . $this->sensei_lesson_preview_title_text($course_id);
}
}
}
return $title;
}
/**
* Hooking into the single lesson page to alter the
* user access permissions based on if they have purchased the
* course the lesson belongs to.
*
* This function will only return false or the passed in user_access value.
* It doesn't return true in order to avoid altering other options.
*
* @since 1.9.0
*
* @param $can_user_view_lesson
* @param $lesson_id
* @param $user_id
* @return bool
*/
public static function alter_can_user_view_lesson($can_user_view_lesson, $lesson_id, $user_id)
{
// do not override access to admins
if (sensei_all_access() || Sensei_Utils::is_preview_lesson($lesson_id)) {
return true;
}
// check if the course has a valid product attached to it
// which the user should have purchased if they want to access
// the current lesson
$course_id = get_post_meta($lesson_id, '_lesson_course', true);
$wc_post_id = get_post_meta($course_id, '_course_woocommerce_product', true);
$product = Sensei()->sensei_get_woocommerce_product_object($wc_post_id);
if (isset($product) && is_object($product)) {
// valid product found
$order_id = self::get_learner_course_active_order_id($user_id, $course_id);
// product has a successful order so this user may access the content
// this function may only return false or the default
// returning true may override other negatives which we don't want
if (!$order_id) {
return false;
}
}
// return the passed in value
return $can_user_view_lesson;
}
/**
* check_user_permissions function.
*
* @access public
* @param string $page (default: '')
*
* @return bool
*/
public function check_user_permissions($page = '')
{
// REFACTOR
global $current_user, $post;
// if use is not logged in
// skipped for single lesson
if (empty($current_user->caps) && Sensei()->settings->get('access_permission') && 'lesson-single' != $page) {
$this->permissions_message['title'] = __('Restricted Access', 'woothemes-sensei');
$this->permissions_message['message'] = sprintf(__('You must be logged in to view this %s'), get_post_type());
return false;
}
$user_allowed = false;
switch ($page) {
case 'course-single':
// check for prerequisite course or lesson,
$course_prerequisite_id = (int) get_post_meta($post->ID, '_course_prerequisite', true);
$update_course = $this->woocommerce_course_update($post->ID);
// Count completed lessons
if (0 < absint($course_prerequisite_id)) {
$prerequisite_complete = Sensei_Utils::user_completed_course($course_prerequisite_id, $current_user->ID);
} else {
$prerequisite_complete = true;
}
// End If Statement
// Handles restrictions
if (!$prerequisite_complete && 0 < absint($course_prerequisite_id)) {
$this->permissions_message['title'] = get_the_title($post->ID) . ': ' . __('Restricted Access', 'woothemes-sensei');
$course_link = '<a href="' . esc_url(get_permalink($course_prerequisite_id)) . '">' . __('course', 'woothemes-sensei') . '</a>';
$this->permissions_message['message'] = sprintf(__('Please complete the previous %1$s before taking this course.', 'woothemes-sensei'), $course_link);
} else {
$user_allowed = true;
}
// End If Statement
break;
case 'lesson-single':
// Check for WC purchase
$lesson_course_id = get_post_meta($post->ID, '_lesson_course', true);
$update_course = $this->woocommerce_course_update($lesson_course_id);
$is_preview = Sensei_Utils::is_preview_lesson($post->ID);
if ($this->access_settings() && Sensei_Utils::user_started_course($lesson_course_id, $current_user->ID)) {
$user_allowed = true;
} elseif ($this->access_settings() && false == $is_preview) {
$user_allowed = true;
} else {
$this->permissions_message['title'] = get_the_title($post->ID) . ': ' . __('Restricted Access', 'woothemes-sensei');
$course_link = '<a href="' . esc_url(get_permalink($lesson_course_id)) . '">' . __('course', 'woothemes-sensei') . '</a>';
$wc_post_id = get_post_meta($lesson_course_id, '_course_woocommerce_product', true);
if (Sensei_WC::is_woocommerce_active() && 0 < $wc_post_id) {
if ($is_preview) {
$this->permissions_message['message'] = sprintf(__('This is a preview lesson. Please purchase the %1$s to access all lessons.', 'woothemes-sensei'), $course_link);
} else {
$this->permissions_message['message'] = sprintf(__('Please purchase the %1$s before starting this Lesson.', 'woothemes-sensei'), $course_link);
}
} else {
if ($is_preview) {
$this->permissions_message['message'] = sprintf(__('This is a preview lesson. Please sign up for the %1$s to access all lessons.', 'woothemes-sensei'), $course_link);
} else {
/** This filter is documented in class-woothemes-sensei-frontend.php */
$this->permissions_message['message'] = sprintf(__('Please sign up for the %1$s before starting the lesson.', 'woothemes-sensei'), $course_link);
}
}
// End If Statement
}
// End If Statement
break;
case 'quiz-single':
$lesson_id = get_post_meta($post->ID, '_quiz_lesson', true);
$lesson_course_id = get_post_meta($lesson_id, '_lesson_course', true);
$update_course = $this->woocommerce_course_update($lesson_course_id);
if ($this->access_settings() && Sensei_Utils::user_started_course($lesson_course_id, $current_user->ID) || sensei_all_access()) {
// Check for prerequisite lesson for this quiz
$lesson_prerequisite_id = (int) get_post_meta($lesson_id, '_lesson_prerequisite', true);
$user_lesson_prerequisite_complete = Sensei_Utils::user_completed_lesson($lesson_prerequisite_id, $current_user->ID);
// Handle restrictions
if (sensei_all_access()) {
$user_allowed = true;
} else {
if (0 < absint($lesson_prerequisite_id) && !$user_lesson_prerequisite_complete) {
$this->permissions_message['title'] = get_the_title($post->ID) . ': ' . __('Restricted Access', 'woothemes-sensei');
$lesson_link = '<a href="' . esc_url(get_permalink($lesson_prerequisite_id)) . '">' . __('lesson', 'woothemes-sensei') . '</a>';
$this->permissions_message['message'] = sprintf(__('Please complete the previous %1$s before taking this Quiz.', 'woothemes-sensei'), $lesson_link);
} else {
$user_allowed = true;
}
// End If Statement
}
// End If Statement
} elseif ($this->access_settings()) {
// Check if the user has started the course
if (is_user_logged_in() && !Sensei_Utils::user_started_course($lesson_course_id, $current_user->ID) && (isset($this->settings->settings['access_permission']) && true == $this->settings->settings['access_permission'])) {
$user_allowed = false;
$this->permissions_message['title'] = get_the_title($post->ID) . ': ' . __('Restricted Access', 'woothemes-sensei');
$course_link = '<a href="' . esc_url(get_permalink($lesson_course_id)) . '">' . __('course', 'woothemes-sensei') . '</a>';
$wc_post_id = get_post_meta($lesson_course_id, '_course_woocommerce_product', true);
if (Sensei_WC::is_woocommerce_active() && 0 < $wc_post_id) {
$this->permissions_message['message'] = sprintf(__('Please purchase the %1$s before starting this Quiz.', 'woothemes-sensei'), $course_link);
} else {
$this->permissions_message['message'] = sprintf(__('Please sign up for the %1$s before starting this Quiz.', 'woothemes-sensei'), $course_link);
}
// End If Statement
} else {
$user_allowed = true;
}
// End If Statement
} else {
$this->permissions_message['title'] = get_the_title($post->ID) . ': ' . __('Restricted Access', 'woothemes-sensei');
$course_link = '<a href="' . esc_url(get_permalink(get_post_meta(get_post_meta($post->ID, '_quiz_lesson', true), '_lesson_course', true))) . '">' . __('course', 'woothemes-sensei') . '</a>';
$this->permissions_message['message'] = sprintf(__('Please sign up for the %1$s before taking this Quiz.', 'woothemes-sensei'), $course_link);
}
// End If Statement
break;
default:
$user_allowed = true;
break;
}
// End Switch Statement
/**
* filter the permissions message shown on sensei post types.
*
* @since 1.8.7
*
* @param array $permissions_message{
*
* @type string $title
* @type string $message
*
* }
* @param string $post_id
*/
$this->permissions_message = apply_filters('sensei_permissions_message', $this->permissions_message, $post->ID);
if (sensei_all_access() || Sensei_Utils::is_preview_lesson($post->ID)) {
$user_allowed = true;
}
return apply_filters('sensei_access_permissions', $user_allowed);
}
<a href="<?php
the_permalink();
?>
" title="<?php
the_title_attribute();
?>
" >
<?php
the_title();
?>
<?php
$course_id = Sensei()->lesson->get_course_id(get_the_ID());
if (Sensei_Utils::is_preview_lesson(get_the_ID()) && !Sensei_Utils::user_started_course($course_id, get_current_user_id())) {
?>
<span class="preview-label"><?php
_e('Free Preview', 'woothemes-sensei');
?>
</span>
<?php
}
?>
</a>
</li>
