static function todo($atts)
{
global $post, $user_ID;
if (!is_user_logged_in()) {
return "";
}
if ($post->post_type == 'namaste_lesson') {
$todo = NamasteLMSLessonModel::todo($post->ID, $user_ID);
ob_start();
if (@file_exists(get_stylesheet_directory() . '/namaste/lesson-todo.php')) {
require get_stylesheet_directory() . '/namaste/lesson-todo.php';
} else {
require NAMASTE_PATH . "/views/lesson-todo.php";
}
if (!empty($todo['todo_nothing'])) {
_e('This lesson has been completed.', 'namaste');
}
$content = ob_get_contents();
ob_end_clean();
return $content;
}
if ($post->post_type == 'namaste_course') {
$_course = new NamasteLMSCourseModel();
$required_lessons = $_course->required_lessons($post->ID, $user_ID);
$content = "";
// accept ordered or unordered list as argument
$list_tag = empty($atts[0]) ? 'ul' : $atts[0];
//validate the user input
if ($list_tag != 'ul' && $list_tag != 'ol') {
$list_tag = 'ul';
}
if (!empty($required_lessons)) {
$content .= "<" . $list_tag . ">\n";
foreach ($required_lessons as $lesson) {
$content .= "<li" . ($lesson->namaste_completed ? ' class="namaste-completed" ' : ' class="namaste-incomplete" ') . "><a href='" . get_permalink($lesson->ID) . "'>" . $lesson->post_title . "</a> - ";
if ($lesson->namaste_completed) {
$content .= __('Completed', 'namaste');
} else {
$content .= __('Not completed', 'namaste');
}
$content .= "</li>\n";
}
$content .= "</" . $list_tag . ">";
}
return $content;
}
}
function namaste_ajax()
{
global $wpdb, $user_ID;
$type = empty($_POST['type']) ? $_GET['type'] : $_POST['type'];
switch ($type) {
case 'lessons_for_course':
$_lesson = new NamasteLMSLessonModel();
echo $_lesson->select($_POST['course_id'], 'json', null, 'ID');
break;
// load notes for student homework
// load notes for student homework
case 'load_notes':
// unless I am manager I can see other user's notes
if ($user_ID != $_GET['student_id'] and !current_user_can('namaste_manage')) {
wp_die('You are not allowed to see these notes.', 'namaste');
}
// select notes
$notes = $wpdb->get_results($wpdb->prepare("SELECT tN.*, tU.user_login as username\n\t\t\t FROM " . NAMASTE_HOMEWORK_NOTES . " tN JOIN {$wpdb->users} tU ON tU.ID = tN.teacher_id\n\t\t\t\tWHERE homework_id=%d AND student_id=%d ORDER BY tN.id DESC", $_GET['homework_id'], $_GET['student_id']));
// select homework
$homework = $wpdb->get_row($wpdb->prepare("SELECT * FROM " . NAMASTE_HOMEWORKS . " WHERE id=%d", $_GET['homework_id']));
if (@file_exists(get_stylesheet_directory() . '/namaste/homework-notes.php')) {
require get_stylesheet_directory() . '/namaste/homework-notes.php';
} else {
require NAMASTE_PATH . "/views/homework-notes.php";
}
break;
// show lesson progress
// show lesson progress
case 'lesson_progress':
// if i am not manager I can see only my own todo
if (!current_user_can('namaste_manage') and $user_ID != $_GET['student_id']) {
die(__("You are not allowed to view this", 'namaste'));
}
// select lesson and student
$lesson = $wpdb->get_row($wpdb->prepare("SELECT * FROM {$wpdb->posts} WHERE ID=%d", $_GET['lesson_id']));
$student = $wpdb->get_row($wpdb->prepare("SELECT * FROM {$wpdb->users} WHERE ID=%d", $_GET['student_id']));
$todo = NamasteLMSLessonModel::todo($_GET['lesson_id'], $_GET['student_id']);
if (@file_exists(get_stylesheet_directory() . '/namaste/lesson-todo.php')) {
require get_stylesheet_directory() . '/namaste/lesson-todo.php';
} else {
require NAMASTE_PATH . "/views/lesson-todo.php";
}
break;
// display payment screen for a course
// display payment screen for a course
case 'course_payment':
// select course
$course = $wpdb->get_row($wpdb->prepare("SELECT * FROM {$wpdb->posts} WHERE ID=%d", $_GET['course_id']));
$fee = get_post_meta($course->ID, 'namaste_fee', true);
$fee = apply_filters('namaste-coupon-applied', $fee);
$currency = get_option('namaste_currency');
$accept_other_payment_methods = get_option('namaste_accept_other_payment_methods');
$accept_paypal = get_option('namaste_accept_paypal');
$paypal_id = get_option('namaste_paypal_id');
if ($accept_other_payment_methods) {
$other_payment_methods = stripslashes(get_option('namaste_other_payment_methods'));
$other_payment_methods = str_replace('{{course-id}}', $course->ID, $other_payment_methods);
$other_payment_methods = str_replace('{{course-name}}', $course->post_title, $other_payment_methods);
$other_payment_methods = str_replace('{{user-id}}', $_GET['student_id'], $other_payment_methods);
$other_payment_methods = str_replace('{{amount}}', $fee, $other_payment_methods);
$other_payment_methods = str_replace('{{item-type}}', 'course', $other_payment_methods);
$other_payment_methods = do_shortcode($other_payment_methods);
}
// return URL
$paypal_return = get_option('namaste_paypal_return');
if (empty($paypal_return)) {
$paypal_return = get_permalink($course->ID);
}
if (!strstr($paypal_return, 'http')) {
$paypal_return = 'http://' . $paypal_return;
}
if (@file_exists(get_stylesheet_directory() . '/namaste/course-pay.php')) {
require get_stylesheet_directory() . '/namaste/course-pay.php';
} else {
require NAMASTE_PATH . "/views/course-pay.php";
}
break;
// set student's grade for a course or lesson
// set student's grade for a course or lesson
case 'set_grade':
if (!current_user_can('namaste_manage')) {
die(__('You are not allowed to grade', 'namaste'));
}
if ($_POST['grade_what'] == 'course') {
$table = NAMASTE_STUDENT_COURSES;
$field = 'course_id';
$student_field = 'user_id';
do_action('namaste_graded_course', $_POST['student_id'], $_POST['item_id'], $_POST['grade']);
} else {
$table = NAMASTE_STUDENT_LESSONS;
$field = 'lesson_id';
$student_field = 'student_id';
do_action('namaste_graded_lesson', $_POST['student_id'], $_POST['item_id'], $_POST['grade']);
}
// now update the grade
$wpdb->query($wpdb->prepare("UPDATE {$table} SET grade=%s WHERE {$field}=%d AND {$student_field}=%d", $_POST['grade'], $_POST['item_id'], $_POST['student_id']));
break;
}
exit;
}
