<?php
/**
* Learner Management
*
* Handles adding or removing learners from a course/lesson, resetting progress in a course/lesson,
* and editing the start date of a course/lesson.
*
* @package Sensei\Learner\Management
* @since 1.3.0
*/
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly.
}
/**
* Sensei Learners Class
*
* All functionality pertaining to the Admin Learners in Sensei.
*
* @package Users
* @author Automattic
*
* @since 1.3.0
*/
class Sensei_Learner_Management {
/**
* Name of the menu/page.
*
* @var string $name
*/
public $name;
/**
* Main plugin file name.
*
* @var string $file
*/
public $file;
/**
* Menu slug name.
*
* @var string $page_slug
*/
public $page_slug;
/**
* Reference to the class responsible for Bulk Learner Actions.
*
* @var Sensei_Learners_Admin_Bulk_Actions_Controller $bulk_actions_controller
*/
public $bulk_actions_controller;
/**
* Per page screen option ID.
*
* @var string SENSEI_LEARNER_MANAGEMENT_PER_PAGE
*/
const SENSEI_LEARNER_MANAGEMENT_PER_PAGE = 'sensei_learner_management_per_page';
/**
* Constructor
*
* @since 1.6.0
*
* @param string $file Main plugin file name.
*/
public function __construct( $file ) {
$this->name = __( 'Students', 'sensei-lms' );
$this->file = $file;
$this->page_slug = 'sensei_learners';
$this->bulk_actions_controller = new Sensei_Learners_Admin_Bulk_Actions_Controller( $this, Sensei_Learner::instance() );
// Admin functions.
if ( is_admin() ) {
add_filter( 'set-screen-option', array( $this, 'set_learner_management_screen_option' ), 20, 3 );
add_action( 'learners_wrapper_container', array( $this, 'wrapper_container' ) );
if ( isset( $_GET['page'] ) && ( ( $this->page_slug === $_GET['page'] ) ) ) {
add_action( 'admin_print_scripts', array( $this, 'enqueue_scripts' ) );
add_action( 'admin_print_styles', array( $this, 'enqueue_styles' ) );
}
add_action( 'admin_init', array( $this, 'add_new_learners' ) );
add_action( 'admin_init', array( $this, 'handle_learner_actions' ) );
add_action( 'admin_notices', array( $this, 'add_learner_notices' ) );
}
// Ajax functions.
if ( is_admin() ) {
add_action( 'wp_ajax_get_redirect_url_learners', array( $this, 'get_redirect_url' ) );
add_action( 'wp_ajax_edit_date_started', array( $this, 'edit_date_started' ) );
add_action( 'wp_ajax_remove_user_from_post', array( $this, 'remove_user_from_post' ) );
add_action( 'wp_ajax_reset_user_post', array( $this, 'reset_user_post' ) );
add_action( 'wp_ajax_sensei_json_search_users', array( $this, 'json_search_users' ) );
// Add custom navigation.
add_action( 'in_admin_header', [ $this, 'add_custom_navigation' ] );
}
}
/**
* Add custom navigation to the admin pages.
*
* @since 4.4.0
* @access private
*/
public function add_custom_navigation() {
$screen = get_current_screen();
if ( ! $screen ) {
return;
}
if ( in_array( $screen->id, [ 'sensei-lms_page_sensei_learners' ], true ) && ( 'term' !== $screen->base ) ) {
$this->display_students_navigation( $screen );
}
}
/**
* Display the Students' page navigation.
*
* @param WP_Screen $screen WordPress current screen object.
*/
private function display_students_navigation( WP_Screen $screen ) {
?>
<div id="sensei-custom-navigation" class="sensei-custom-navigation">
<div class="sensei-custom-navigation__heading-with-info">
<div class="sensei-custom-navigation__title">
<h1><?php esc_html_e( 'Students', 'sensei-lms' ); ?></h1>
</div>
<div class="sensei-custom-navigation__separator"></div>
<a class="sensei-custom-navigation__info" target="_blank" href="https://senseilms.com/documentation/student-management?utm_source=plugin_sensei&utm_medium=docs&utm_campaign=student-management">
<?php echo esc_html__( 'Guide To Student Management', 'sensei-lms' ); ?>
</a>
</div>
</div>
<?php
}
/**
* Add learner management menu.
*
* @since 1.6.0
* @access public
*/
public function learners_admin_menu() {
if ( current_user_can( 'manage_sensei_grades' ) ) {
$learners_page = add_submenu_page(
'sensei',
$this->name,
$this->name,
'manage_sensei_grades',
$this->page_slug,
array( $this, 'learners_page' )
);
add_action( "load-$learners_page", array( $this, 'load_screen_options_when_on_bulk_actions' ) );
}
}
/**
* Sets the pagination screen option value for the Bulk Learner Actions table.
*
* @param bool $status Status.
* @param string $option Screen option ID.
* @param string $value Learners per page.
* @return bool|string
*/
public function set_learner_management_screen_option( $status, $option, $value ) {
if ( self::SENSEI_LEARNER_MANAGEMENT_PER_PAGE === $option ) {
return $value;
}
return $status;
}
/**
* Adds a "Learners per page" screen option to the Bulk Learner Actions page.
*/
public function load_screen_options_when_on_bulk_actions() {
if ( isset( $this->bulk_actions_controller ) && $this->bulk_actions_controller->is_current_page() ) {
$args = array(
'label' => __( 'Students per page', 'sensei-lms' ),
'default' => 20,
'option' => self::SENSEI_LEARNER_MANAGEMENT_PER_PAGE,
);
add_screen_option( 'per_page', $args );
}
}
/**
* Enqueues scripts.
*
* @description Load in JavaScripts where necessary.
* @access public
* @since 1.6.0
*/
public function enqueue_scripts() {
// Load Learners JS.
Sensei()->assets->enqueue(
'sensei-learners-general',
'js/learners-general.js',
[ 'jquery', 'jquery-ui-core', 'jquery-ui-datepicker', 'jquery-ui-tooltip', 'sensei-core-select2' ],
true
);
Sensei()->assets->enqueue( 'sensei-stop-double-submission', 'js/stop-double-submission.js', [], true );
Sensei()->assets->enqueue( 'sensei-student-action-menu', 'admin/students/student-action-menu/index.js', [], true );
Sensei()->assets->enqueue( 'sensei-student-bulk-action-button', 'admin/students/student-bulk-action-button/index.js', [], true );
Sensei()->assets->enqueue(
'sensei-student-bulk-action-button-style',
'admin/students/student-bulk-action-button/student-bulk-action-button.css',
[ 'sensei-wp-components', 'sensei-editor-components-style' ]
);
wp_localize_script(
'sensei-learners-general',
'slgL10n',
array(
'inprogress' => __( 'In Progress', 'sensei-lms' ),
)
);
$data = array(
'remove_generic_confirm' => __( 'Are you sure you want to remove this student?', 'sensei-lms' ),
'remove_from_lesson_confirm' => __( 'Are you sure you want to remove the student from this lesson?', 'sensei-lms' ),
'remove_from_course_confirm' => __( 'Are you sure you want to remove this student\'s enrollment in the course?', 'sensei-lms' ),
'enrol_in_course_confirm' => __( 'Are you sure you want to enroll the student in this course?', 'sensei-lms' ),
'restore_enrollment_confirm' => __( 'Are you sure you want to restore the student enrollment in this course?', 'sensei-lms' ),
'reset_lesson_confirm' => __( 'Are you sure you want to reset the progress of this student for this lesson?', 'sensei-lms' ),
'reset_course_confirm' => __( 'Are you sure you want to reset the progress of this student for this course?', 'sensei-lms' ),
'remove_progress_confirm' => __( 'Are you sure you want to remove the progress of this student for this course?', 'sensei-lms' ),
'modify_user_post_nonce' => wp_create_nonce( 'modify_user_post_nonce' ),
'search_users_nonce' => wp_create_nonce( 'search-users' ),
'edit_date_nonce' => wp_create_nonce( 'edit_date_nonce' ),
'course_category_nonce' => wp_create_nonce( 'course_category_nonce' ),
'selectplaceholder' => __( 'Select students to manually enroll...', 'sensei-lms' ),
);
wp_localize_script( 'sensei-learners-general', 'woo_learners_general_data', $data );
}
/**
* Enqueue styles.
*
* @description Load in CSS styles where necessary.
* @access public
* @since 1.6.0
*/
public function enqueue_styles() {
Sensei()->assets->enqueue( 'sensei-jquery-ui', 'css/jquery-ui.css' );
Sensei()->assets->enqueue(
'sensei-student-modal-style',
'admin/students/student-modal/student-modal.css',
[ 'sensei-wp-components', 'sensei-editor-components-style' ]
);
}
/**
* Loads dependent files.
*
* @since 1.6.0
*/
public function load_data_table_files() {
// Load Learners Classes.
$classes_to_load = array(
'list-table',
'learners-main',
);
foreach ( $classes_to_load as $class_file ) {
Sensei()->load_class( $class_file );
}
}
/**
* Creates new instance of class.
*
* @since 1.6.0
*
* @deprecated 3.0.0
*
* @param string $name Name of class.
* @param integer $data constructor arguments.
* @param undefined $optional_data optional constructor arguments.
* @return object class instance object
*/
public function load_data_object( $name = '', $data = 0, $optional_data = null ) {
_deprecated_function( __METHOD__, '3.0.0', 'new Sensei_Learners_$name' );
// Load Analysis data.
$object_name = 'Sensei_Learners_' . $name;
if ( is_null( $optional_data ) ) {
$sensei_learners_object = new $object_name( $data );
} else {
$sensei_learners_object = new $object_name( $data, $optional_data );
}
if ( 'Main' === $name ) {
$sensei_learners_object->prepare_items();
}
return $sensei_learners_object;
}
/**
* Outputs the content for the Learner Management page.
*
* @since 1.6.0
* @access public
*/
public function learners_page() {
// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Arguments used for comparison.
if ( ! empty( $_GET['course_id'] ) ) {
require __DIR__ . '/views/html-admin-page-students-course.php';
} else {
require __DIR__ . '/views/html-admin-page-students-main.php';
}
}
/**
* Outputs the breadcrumb.
*
* @since 1.6.0
* @param array $args Partial function names.
*/
public function learners_headers( $args = array( 'nav' => 'default' ) ) {
$function = 'learners_' . $args['nav'] . '_nav';
$this->$function();
do_action( 'sensei_learners_after_headers' );
}
/**
* Wrapper for Learners area.
*
* @since 1.6.0
* @param string $which Wrapper location. Valid values are 'top' and 'bottom'.
*/
public function wrapper_container( $which ) {
if ( 'top' === $which ) {
?>
<div id="woothemes-sensei" class="wrap woothemes-sensei">
<?php
} elseif ( 'bottom' === $which ) {
?>
</div><!--/#woothemes-sensei-->
<?php
}
}
/**
* Default nav area for Learners.
*
* @since 1.6.0
*/
public function learners_default_nav() {
$course_id = (int) sanitize_text_field( wp_unslash( $_GET['course_id'] ?? 0 ) ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
$lesson_id = (int) sanitize_text_field( wp_unslash( $_GET['lesson_id'] ?? 0 ) ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
if ( 0 < $course_id && 0 < $lesson_id ) {
$back_url = add_query_arg(
array(
'page' => $this->page_slug,
'course_id' => $course_id,
'view' => 'lessons',
),
admin_url( 'admin.php' )
);
} else {
$back_url = add_query_arg(
[
'page' => 'sensei_learners',
],
admin_url( 'admin.php' )
);
}
$title_parts = [];
if ( 0 < $course_id ) {
$title_parts[] = get_the_title( $course_id );
}
if ( 0 < $lesson_id ) {
$title_parts[] = get_the_title( $lesson_id );
}
$back_link = '<a href="' . esc_url( $back_url ) . '">←</a> ';
$title = $back_link . implode( ': ', $title_parts );
?>
<h2 class="sensei-students__subheading">
<?php
echo wp_kses(
/**
* Filters the title of the Learners page.
*
* @hook sensei_learners_nav_title
*
* @param {string} $title Title of the Learners page.
* @return {string} Filtered title of the Learners page.
*/
apply_filters( 'sensei_learners_nav_title', $title ),
array(
'span' => array(
'class' => array(),
),
'a' => array(
'href' => array(),
),
)
);
?>
</h2>
<?php
}
/**
* Filters table by course category.
*/
public function get_redirect_url() {
check_ajax_referer( 'course_category_nonce', 'security' );
// Parse POST data.
$data = $_POST['data'];
$course_data = array();
parse_str( $data, $course_data );
$course_cat = intval( $course_data['course_cat'] );
$redirect_url = apply_filters(
'sensei_ajax_redirect_url',
add_query_arg(
array(
'page' => $this->page_slug,
'course_cat' => $course_cat,
),
admin_url( 'admin.php' )
)
);
echo esc_url_raw( $redirect_url );
die();
}
/**
* Edits the course/lesson start date.
*/
public function edit_date_started() {
check_ajax_referer( 'edit_date_nonce', 'security' );
if ( ! empty( $_POST['data']['post_id'] ) && is_numeric( $_POST['data']['post_id'] ) ) {
$post_id = (int) sanitize_key( $_POST['data']['post_id'] );
} else {
exit( '' );
}
$post = get_post( $post_id );
if ( empty( $post ) || ! is_a( $post, 'WP_Post' ) ) {
exit( '' );
}
if ( ! empty( $_POST['data']['comment_id'] ) && is_numeric( $_POST['data']['comment_id'] ) ) {
$comment_id = (int) sanitize_key( $_POST['data']['comment_id'] );
} else {
exit( '' );
}
$comment = get_comment( $comment_id );
if ( empty( $comment ) ) {
exit( '' );
}
// validate we can edit date.
$may_edit_date = false;
if ( current_user_can( 'manage_sensei' ) || get_current_user_id() === (int) $post->post_author ) {
$may_edit_date = true;
}
if ( ! $may_edit_date ) {
exit( '' );
}
if ( ! empty( $_POST['data']['new_dates']['start-date'] ) ) {
$date_string = sanitize_text_field( wp_unslash( $_POST['data']['new_dates']['start-date'] ) );
} else {
exit( '' );
}
if ( empty( $date_string ) ) {
exit( '' );
}
$date_started = get_comment_meta( $comment_id, 'start', true );
$expected_date_format = 'Y-m-d H:i:s';
if ( false === strpos( $date_string, ' ' ) ) {
$expected_date_format = 'Y-m-d';
}
$date = DateTimeImmutable::createFromFormat( $expected_date_format, $date_string );
if ( false === $date ) {
exit( '' );
}
$mysql_date = date( 'Y-m-d H:i:s', $date->getTimestamp() );
if ( false === $mysql_date ) {
exit( '' );
}
$updated = (bool) update_comment_meta( $comment_id, 'start', $mysql_date, $date_started );
/**
* Filter sensei_learners_learner_updated
*
* This filter should return false if there was no update in the learner row.
*
* @hook sensei_learners_learner_updated
*
* @param {bool} $updated A flag indicating if there was an update in the learner row.
* @param {int} $post_id Lesson or course id.
* @param {int} $comment_id The comment id which tracks the progress of the learner.
* @return {bool} False if there were no updates.
*/
$updated = apply_filters( 'sensei_learners_learner_updated', $updated, $post_id, $comment_id );
if ( false === $updated ) {
exit( '' );
}
exit( esc_html( $mysql_date ) );
}
/**
* Handles actions that are performed asynchronously from learner management.
*
* @param string $action Action to perform. Currently handled values are 'reset'.
*/
public function handle_user_async_action( $action ) {
check_ajax_referer( 'modify_user_post_nonce', 'security' );
// Parse POST data.
$data = sanitize_text_field( $_POST['data'] );
$action_data = array();
parse_str( $data, $action_data );
$post = get_post( intval( $action_data['post_id'] ) );
if ( empty( $post ) ) {
exit( '' );
}
// validate the user.
$may_remove_user = false;
// Only teachers and admins can remove users.
if ( current_user_can( 'manage_sensei' ) || get_current_user_id() === intval( $post->post_author ) ) {
$may_remove_user = true;
}
if ( ! is_a( $post, 'WP_Post' ) || ! $may_remove_user ) {
exit( '' );
}
if ( $action_data['user_id'] && $action_data['post_id'] && $action_data['post_type'] ) {
$user_id = intval( $action_data['user_id'] );
$post_id = intval( $action_data['post_id'] );
$post_type = sanitize_text_field( $action_data['post_type'] );
$user = get_userdata( $user_id );
if ( false === $user ) {
exit( '' );
}
$altered = true;
switch ( $post_type ) {
case 'course':
$altered = Sensei_Utils::reset_course_for_user( $post_id, $user_id );
break;
case 'lesson':
switch ( $action ) {
case 'reset':
$altered = Sensei()->quiz->reset_user_lesson_data( $post_id, $user_id );
break;
case 'remove':
$altered = Sensei_Utils::sensei_remove_user_from_lesson( $post_id, $user_id );
break;
}
break;
}
if ( $altered ) {
if ( 'course' === $post_type && ! Sensei_Utils::has_started_course( $post_id, $user_id ) ) {
exit( 'removed' );
}
if ( 'lesson' === $post_type && 'remove' === $action ) {
exit( 'removed' );
}
exit( 'altered' );
}
}
exit( '' );
}
/**
* Handles learner actions (manually enrolling or withdrawing a student from a course).
*/
public function handle_learner_actions() {
if ( ! isset( $_GET['learner_action'] ) ) {
return;
}
$redirect_url = remove_query_arg( [ 'learner_action', '_wpnonce', 'user_id' ] );
// phpcs:ignore WordPress.Security.NonceVerification -- Nonce checked below.
$learner_action = sanitize_text_field( wp_unslash( $_GET['learner_action'] ) );
if ( ! in_array( $learner_action, [ 'enrol', 'restore_enrollment', 'withdraw' ], true ) ) {
wp_safe_redirect( esc_url_raw( $redirect_url ) );
exit;
}
$failed_redirect_url = add_query_arg( [ 'message' => 'error_' . $learner_action ], $redirect_url );
// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Don't touch the nonce.
if ( empty( $_GET['_wpnonce'] ) || ! wp_verify_nonce( wp_unslash( $_GET['_wpnonce'] ), 'sensei-learner-action-' . $learner_action ) ) {
wp_safe_redirect( esc_url_raw( $failed_redirect_url ) );
exit;
}
if ( empty( $_GET['course_id'] ) || empty( $_GET['user_id'] ) ) {
wp_safe_redirect( esc_url_raw( $failed_redirect_url ) );
exit;
}
$user_id = intval( $_GET['user_id'] );
$course_id = intval( $_GET['course_id'] );
$post = get_post( $course_id );
$may_manage_enrolment = false;
// Only teachers and admins can enrol and withdraw users.
if ( current_user_can( 'manage_sensei' ) || get_current_user_id() === intval( $post->post_author ) ) {
$may_manage_enrolment = true;
}
if ( ! is_a( $post, 'WP_Post' ) || ! $may_manage_enrolment ) {
wp_safe_redirect( esc_url_raw( $failed_redirect_url ) );
exit;
}
$course_enrolment = Sensei_Course_Enrolment::get_course_instance( $course_id );
$result = false;
if ( 'withdraw' === $learner_action ) {
$result = $course_enrolment->withdraw( $user_id );
} elseif ( in_array( $learner_action, [ 'enrol', 'restore_enrollment' ], true ) ) {
$result = $course_enrolment->enrol( $user_id );
}
if ( ! $result ) {
wp_safe_redirect( esc_url_raw( $failed_redirect_url ) );
exit;
} else {
$success_redirect_url = add_query_arg( [ 'message' => 'success_' . $learner_action ], $redirect_url );
wp_safe_redirect( esc_url_raw( $success_redirect_url ) );
exit;
}
}
/**
* Resets Learner progress for a course/lesson.
*/
public function reset_user_post() {
$this->handle_user_async_action( 'reset' );
}
/**
* Removes a Learner from a course/lesson.
*/
public function remove_user_from_post() {
$this->handle_user_async_action( 'remove' );
}
/**
* Searches for a Learner by name or username.
*/
public function json_search_users() {
check_ajax_referer( 'search-users', 'security' );
$term = sanitize_text_field( stripslashes( $_GET['term'] ) );
if ( empty( $term ) ) {
die();
}
$default = isset( $_GET['default'] ) ? $_GET['default'] : __( 'None', 'sensei-lms' );
$found_users = array( '' => $default );
$users_query = new WP_User_Query(
apply_filters(
'sensei_json_search_users_query',
array(
'fields' => 'all',
'orderby' => 'display_name',
'search' => '*' . $term . '*',
'search_columns' => array( 'ID', 'user_login', 'user_email', 'user_nicename', 'user_firstname', 'user_lastname' ),
),
$term
)
);
$users = $users_query->get_results();
if ( $users ) {
foreach ( $users as $user ) {
$full_name = Sensei_Learner::get_full_name( $user->ID );
if ( trim( $user->display_name ) === trim( $full_name ) ) {
$name = $full_name;
} else {
$name = $full_name . ' [' . $user->display_name . ']';
}
$found_users[ $user->ID ] = $name . ' (#' . $user->ID . ' - ' . sanitize_email( $user->user_email ) . ')';
}
}
wp_send_json( $found_users );
}
/**
* Adds a Learner to a course/lesson.
*
* @return bool false if the Learner was not added.
*/
public function add_new_learners() {
$result = false;
if ( ! isset( $_POST['add_learner_submit'] ) ) {
return $result;
}
if ( ! isset( $_POST['add_learner_nonce'] ) || ! wp_verify_nonce( $_POST['add_learner_nonce'], 'add_learner_to_sensei' ) ) {
return $result;
}
if ( ( ! isset( $_POST['add_user_id'] ) || '' === $_POST['add_user_id'] ) || ! isset( $_POST['add_post_type'] ) || ! isset( $_POST['add_course_id'] ) || ! isset( $_POST['add_lesson_id'] ) ) {
return $result;
}
$post_type = $_POST['add_post_type'];
$user_ids = array_map( 'intval', $_POST['add_user_id'] );
$course_id = absint( $_POST['add_course_id'] );
$lesson_id = isset( $_POST['add_lesson_id'] ) ? $_POST['add_lesson_id'] : '';
$results = [];
$course = get_post( $course_id );
if (
! $course
|| (
! current_user_can( 'manage_sensei' )
&& get_current_user_id() !== intval( $course->post_author )
)
) {
return $result;
}
$course_enrolment = Sensei_Course_Enrolment::get_course_instance( $course_id );
foreach ( $user_ids as $user_id ) {
$result = $course_enrolment->enrol( $user_id );
switch ( $post_type ) {
case 'course':
// Complete each lesson if course is set to be completed.
if (
$result
&& isset( $_POST['add_complete_course'] )
&& 'yes' === $_POST['add_complete_course']
&& ! Sensei_Utils::user_completed_course( $course_id, $user_id )
) {
Sensei_Utils::force_complete_user_course( $user_id, $course_id );
}
break;
case 'lesson':
$complete = false;
if ( $result && isset( $_POST['add_complete_lesson'] ) && 'yes' === $_POST['add_complete_lesson'] ) {
$complete = true;
}
$result = $result && Sensei_Utils::sensei_start_lesson( $lesson_id, $user_id, $complete );
break;
}
$results[] = $result;
}
// Set redirect URL after adding user to course/lesson.
$query_args = array(
'page' => $this->page_slug,
'view' => 'learners',
);
if ( $course_id ) {
$query_args['course_id'] = $course_id;
}
if ( $lesson_id ) {
$query_args['lesson_id'] = $lesson_id;
}
if ( ! empty( $results ) && ! in_array( false, $results, true ) ) {
$query_args['message'] = 'success_enrol';
} else {
$query_args['message'] = 'error_enrol';
}
if ( count( $user_ids ) > 1 ) {
$query_args['message'] .= '_multiple';
}
/**
* Filter the redirect URL after adding a learner.
*
* @hook sensei_learners_add_learner_redirect_url
*
* @param {string} $redirect_url URL to redirect to after adding a learner.
* @return {string} Filtered URL to redirect to after adding a learner.
*/
$redirect_url = apply_filters( 'sensei_learners_add_learner_redirect_url', add_query_arg( $query_args, admin_url( 'admin.php' ) ) );
wp_safe_redirect( esc_url_raw( $redirect_url ) );
exit;
}
/**
* Displays a notice to indicate whether or not the Learner(s) was added successfully.
*/
public function add_learner_notices() {
if ( isset( $_GET['page'] ) && $this->page_slug === $_GET['page'] && isset( $_GET['message'] ) && $_GET['message'] ) {
$message = sanitize_text_field( wp_unslash( $_GET['message'] ) );
$notice = false;
switch ( $message ) {
case 'error':
case 'error_enrol':
$notice = [
'error',
__( 'An error occurred while enrolling the student.', 'sensei-lms' ),
];
break;
case 'error_restore_enrollment':
$notice = [
'error',
__( 'An error occurred while restoring student enrollment.', 'sensei-lms' ),
];
break;
case 'error_enrol_multiple':
$notice = [
'error',
__( 'An error occurred while enrolling the students.', 'sensei-lms' ),
];
break;
case 'error_withdraw':
$notice = [
'error',
__( 'An error occurred removing the student\'s enrollment.', 'sensei-lms' ),
];
break;
case 'success_withdraw':
$notice = [
'updated',
__( 'Student\'s enrollment has been removed.', 'sensei-lms' ),
];
break;
case 'success_enrol':
$notice = [
'updated',
__( 'Student has been enrolled.', 'sensei-lms' ),
];
break;
case 'success_restore_enrollment':
$notice = [
'updated',
__( 'Student enrollment has been restored.', 'sensei-lms' ),
];
break;
case 'success_bulk':
case 'success_enrol_multiple':
$notice = [
'updated',
__( 'Student have been enrolled.', 'sensei-lms' ),
];
break;
}
if ( $notice ) {
?>
<div class="learners-notice <?php echo esc_attr( $notice[0] ); ?>">
<p><?php echo esc_html( $notice[1] ); ?></p>
</div>
<?php
}
}
}
/**
* Rebuilds and appends query variables to the URL.
*
* @return string URL query string.
*/
public function get_url() {
return add_query_arg( array( 'page' => $this->page_slug ), admin_url( 'admin.php' ) );
}
/**
* Gets the name of the menu/page.
*
* @return string Name of the menu/page.
*/
public function get_name() {
return $this->name;
}
}
/**
* Class WooThemes_Sensei_Learners
*
* @ignore only for backward compatibility
* @since 1.9.0
*/
class WooThemes_Sensei_Learners extends Sensei_Learner_Management{}