<?php
/**
* This file contains Sensei_Learners_Main class.
*
* @package sensei
*/
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly.
}
/**
* Sensei Learners Overview List Table Class
*
* All functionality pertaining to the Admin Learners Overview Data Table in Sensei.
*
* @package Assessment
* @author Automattic
*
* @since 1.3.0
*/
class Sensei_Learners_Main extends Sensei_List_Table {
/**
* The course id of the current view.
*
* @var integer
*/
private $course_id;
/**
* The lesson id of the current view.
*
* @var integer
*/
private $lesson_id;
/**
* The current view of learner management. Possible values are 'lessons', 'courses' and 'learners'.
*
* @var string
*/
private $view;
/**
* The page slug.
*
* @var string
*/
private $page_slug;
/**
* The enrollment status of the learners.
*
* @var string
*/
private $enrolment_status;
/**
* Constructor
*
* @since 1.6.0
*/
public function __construct() {
// phpcs:disable WordPress.Security.NonceVerification -- No data are modified.
if ( isset( $_GET['course_id'] ) ) {
$this->course_id = (int) $_GET['course_id'];
} else {
$this->course_id = 0;
}
if (
$this->course_id
&& (
'course' !== get_post_type( $this->course_id )
|| ! current_user_can( get_post_type_object( 'course' )->cap->edit_post, $this->course_id )
)
) {
wp_die( esc_html__( 'Invalid course', 'sensei-lms' ), 404 );
}
if ( isset( $_GET['lesson_id'] ) ) {
$this->lesson_id = (int) $_GET['lesson_id'];
} else {
$this->lesson_id = 0;
}
if (
$this->lesson_id
&& (
'lesson' !== get_post_type( $this->lesson_id )
|| ! current_user_can( get_post_type_object( 'lesson' )->cap->edit_post, $this->lesson_id )
)
) {
wp_die( esc_html__( 'Invalid lesson', 'sensei-lms' ), 404 );
}
if ( isset( $_GET['view'] ) && in_array( $_GET['view'], array( 'courses', 'lessons', 'learners' ), true ) ) {
$this->view = sanitize_text_field( wp_unslash( $_GET['view'] ) );
} else {
$this->view = 'courses';
}
$this->enrolment_status = 'all';
if ( isset( $_GET['enrolment_status'] ) ) {
$this->enrolment_status = sanitize_text_field( wp_unslash( $_GET['enrolment_status'] ) );
$valid_enrolment_statuses = [ 'all', 'enrolled', 'unenrolled' ];
if ( $this->manual_filter_visible() ) {
$valid_enrolment_statuses[] = 'manual';
}
if ( ! in_array( $this->enrolment_status, $valid_enrolment_statuses, true ) ) {
$this->enrolment_status = 'all';
}
}
// phpcs:enable WordPress.Security.NonceVerification
// Viewing a single lesson always sets the view to Learners.
if ( $this->lesson_id ) {
$this->view = 'learners';
}
$this->page_slug = 'sensei_learners';
// Load Parent token into constructor.
parent::__construct( 'learners_main' );
// Actions.
add_action( 'sensei_before_list_table', array( $this, 'data_table_header' ) );
add_action( 'sensei_after_list_table', array( $this, 'add_learners_box' ) );
remove_action( 'sensei_before_list_table', array( $this, 'table_search_form' ), 5 );
add_filter( 'sensei_list_table_search_button_text', array( $this, 'search_button' ) );
}
/**
* Course id getter.
*
* @return int The course id
*/
public function get_course_id() {
return $this->course_id;
}
/**
* Lesson id getter.
*
* @return int The lesson id
*/
public function get_lesson_id() {
return $this->lesson_id;
}
/**
* Define the columns that are going to be used in the table
*
* @since 1.7.0
* @return array $columns, the array of columns to use with the table
*/
public function get_columns() {
switch ( $this->view ) {
case 'learners':
$columns = array(
'title' => __( 'Students', 'sensei-lms' ),
'enrolment_status' => __( 'Enrolled', 'sensei-lms' ),
'user_status' => __( 'Status', 'sensei-lms' ),
'date_started' => __( 'Date Started', 'sensei-lms' ),
'date_completed' => __( 'Date Completed', 'sensei-lms' ),
);
break;
case 'lessons':
$columns = array(
'title' => __( 'Lesson', 'sensei-lms' ),
'num_learners' => __( '# Students', 'sensei-lms' ),
'updated' => __( 'Last Updated', 'sensei-lms' ),
);
break;
case 'courses':
default:
$columns = array(
'title' => __( 'Course', 'sensei-lms' ),
'num_learners' => __( '# Students', 'sensei-lms' ),
'updated' => __( 'Last Updated', 'sensei-lms' ),
);
break;
}
$columns['actions'] = '';
// Backwards compatible.
if ( 'learners' === $this->view ) {
$columns = apply_filters_deprecated(
'sensei_learners_learners_columns',
[ $columns, $this ],
'3.0.0',
'sensei_learners_default_columns'
);
}
/**
* Filter sensei_learners_default_columns
*
* Filters the columns that are displayed in learner management
*
* @hook sensei_learners_default_columns
*
* @param {array} $columns The default columns.
* @param {object} $sensei_learners_main Sensei_Learners_Main instance.
* @return {array} The modified default columns
*/
$columns = apply_filters( 'sensei_learners_default_columns', $columns, $this );
return $columns;
}
/**
* Define the columns that are going to be used in the table
*
* @since 1.7.0
* @return array $columns, the array of columns to use with the table
*/
public function get_sortable_columns() {
switch ( $this->view ) {
case 'learners':
$columns = array(
'title' => array( 'title', false ),
);
break;
case 'lessons':
default:
$columns = array(
'title' => array( 'title', false ),
'updated' => array( 'post_modified', false ),
);
break;
}
// Backwards compatible.
if ( 'learners' === $this->view ) {
$columns = apply_filters_deprecated(
'sensei_learners_learners_columns_sortable',
[ $columns, $this ],
'3.0.0',
'sensei_learners_default_columns_sortable'
);
}
/**
* Filter the columns that are sortable in learner management.
*
* @hook sensei_learners_default_columns_sortable
*
* @param {array} $columns The sortable columns.
* @param {object} $list_table Sensei_Learners_Main instance.
* @return {array} The modified sortable columns
*/
$columns = apply_filters( 'sensei_learners_default_columns_sortable', $columns, $this );
return $columns;
}
/**
* Prepare the table with different parameters, pagination, columns and table elements
*
* @since 1.7.0
* @return void
*/
public function prepare_items() {
// phpcs:disable WordPress.Security.NonceVerification -- No data are modified.
// Handle orderby.
$orderby = '';
if ( ! empty( $_GET['orderby'] ) ) {
$orderby_arg = sanitize_text_field( wp_unslash( $_GET['orderby'] ) );
if ( array_key_exists( $orderby_arg, $this->get_sortable_columns() ) ) {
$orderby = $orderby_arg;
}
}
// Handle order.
$order = 'DESC';
if ( ! empty( $_GET['order'] ) ) {
$order = 'ASC' === strtoupper( sanitize_text_field( wp_unslash( $_GET['order'] ) ) ) ? 'ASC' : 'DESC';
}
// Handle category selection.
$category = false;
if ( ! empty( $_GET['course_cat'] ) ) {
$category = (int) $_GET['course_cat'];
}
// Handle search.
$search = false;
if ( ! empty( $_GET['s'] ) ) {
$search = sanitize_text_field( wp_unslash( $_GET['s'] ) );
}
// phpcs:enable WordPress.Security.NonceVerification
$per_page = $this->get_items_per_page( 'sensei_comments_per_page' );
/**
* Filter the number of items per page in learner management.
*
* @hook sensei_comments_per_page
*
* @param {int} $per_page The number of items per page.
* @param {string} $type The type of items to display.
* @return {int} The modified number of items per page.
*/
$per_page = apply_filters( 'sensei_comments_per_page', $per_page, 'sensei_comments' );
$paged = $this->get_pagenum();
$offset = 0;
if ( ! empty( $paged ) ) {
$offset = $per_page * ( $paged - 1 );
}
switch ( $this->view ) {
case 'learners':
if ( empty( $orderby ) ) {
$orderby = '';
}
$this->items = $this->get_learners( compact( 'per_page', 'offset', 'orderby', 'order', 'search' ) );
break;
case 'lessons':
if ( empty( $orderby ) ) {
$orderby = 'post_modified';
}
$this->items = $this->get_lessons( compact( 'per_page', 'offset', 'orderby', 'order', 'search' ) );
break;
default:
if ( empty( $orderby ) ) {
$orderby = 'post_modified';
}
$this->items = $this->get_courses( compact( 'per_page', 'offset', 'orderby', 'order', 'category', 'search' ) );
break;
}
$total_items = $this->total_items;
$total_pages = ceil( $total_items / $per_page );
$this->set_pagination_args(
array(
'total_items' => $total_items,
'total_pages' => $total_pages,
'per_page' => $per_page,
)
);
}
/**
* Generates content for a single row of the table in the user management
* screen.
*
* @since 1.7.0
*
* @param object $item The current item.
*
* @return array Escaped column data.
*/
protected function get_row_data( $item ) {
if ( ! $item ) {
return array(
'title' => esc_html__( 'No results found', 'sensei-lms' ),
'num_learners' => '',
'updated' => '',
'actions' => '',
);
}
$escaped_column_data = array();
switch ( $this->view ) {
case 'learners':
// in this case the item passed in is actually the users activity on course of lesson.
$user_activity = $item;
$post_id = false;
$post_type = false;
$object_type = false;
if ( $this->lesson_id ) {
$post_id = $this->lesson_id;
$object_type = __( 'lesson', 'sensei-lms' );
$post_type = 'lesson';
} elseif ( $this->course_id ) {
$post_id = $this->course_id;
$object_type = __( 'course', 'sensei-lms' );
$post_type = 'course';
}
if ( in_array( $user_activity->comment_approved, [ 'complete', 'graded', 'passed' ], true ) ) {
$progress_status_html = esc_html__( 'Completed', 'sensei-lms' );
} else {
$user_not_started = 'course' === $post_type && 0 === Sensei_Utils::user_started_lesson_count( $post_id, $user_activity->user_id );
$progress_status_html = $user_not_started ? esc_html__( 'Not Started', 'sensei-lms' ) : esc_html__( 'In Progress', 'sensei-lms' );
}
$is_user_enrolled = Sensei_Course::is_user_enrolled( $this->course_id, $user_activity->user_id );
$course_enrolment = Sensei_Course_Enrolment::get_course_instance( $this->course_id );
$enrolment_results = $course_enrolment->get_enrolment_check_results( $user_activity->user_id );
$provider_results = $enrolment_results ? $enrolment_results->get_provider_results() : [];
$enrolment_tooltip_html = '';
if ( Sensei()->feature_flags->is_enabled( 'enrolment_provider_tooltip' ) ) {
if ( ! empty( $provider_results ) ) {
$tooltip_html_parts = [ '<ul class="enrolment-helper">' ];
foreach ( $provider_results as $id => $result ) {
$name = Sensei_Course_Enrolment_Manager::instance()->get_enrolment_provider_name_by_id( $id ) ?? $id;
$item_class = $result ? 'provides-enrolment' : 'does-not-provide-enrolment';
$tooltip_html_parts[] =
'<li class="' . esc_attr( $item_class ) . '">' .
esc_html( $name ) .
'</li>';
}
$tooltip_html_parts[] = '</ul>';
$enrolment_tooltip_html = implode( '', $tooltip_html_parts );
} else {
$enrolment_tooltip_html = esc_html__( 'No enrollment data was found.', 'sensei-lms' );
}
}
$enrolment_label = $is_user_enrolled ? __( 'Yes', 'sensei-lms' ) : __( 'No', 'sensei-lms' );
$enrolment_status_html =
'<span class="sensei-tooltip" data-tooltip="' . esc_attr( htmlentities( $enrolment_tooltip_html ) ) . '">' .
esc_html( $enrolment_label ) .
'</span>';
$title = Sensei_Learner::get_full_name( $user_activity->user_id );
// translators: Placeholder is the item title/name.
$a_title = sprintf( __( 'Edit “%s”', 'sensei-lms' ), $title );
$edit_start_date_form = $this->get_edit_start_date_form( $user_activity, $post_id, $post_type );
$actions = [];
$row_actions = [];
$provider_ids_with_enrollment = implode( ',', array_keys( $provider_results, true, true ) );
$providers_attr = ! empty( $provider_ids_with_enrollment )
? 'data-provider="' . $provider_ids_with_enrollment . '"'
: '';
if ( 'course' === $post_type ) {
// Courses.
if ( $is_user_enrolled ) {
// Enrolled.
$withdraw_action_url = wp_nonce_url(
add_query_arg(
array(
'page' => 'sensei_learners',
'view' => 'learners',
'learner_action' => 'withdraw',
'course_id' => $this->course_id,
'user_id' => $user_activity->user_id,
'enrolment_status' => $this->enrolment_status,
),
admin_url( 'admin.php' )
),
'sensei-learner-action-withdraw'
);
$row_actions[] =
'<span class="delete">' .
'<a class="learner-action delete" data-user-id="' . esc_attr( $user_activity->user_id ) . '" data-action="withdraw" ' . $providers_attr . ' href="' . esc_url( $withdraw_action_url ) . '">' .
esc_html__( 'Remove Enrollment', 'sensei-lms' ) .
'</a>' .
'</span>';
$row_actions[] =
'<span class="delete">' .
'<a class="learner-async-action delete" data-user-id="' . esc_attr( $user_activity->user_id ) . '" data-action="reset_progress" data-post-id="' . esc_attr( $post_id ) . '" data-post-type="' . esc_attr( $post_type ) . '" href="#">' .
esc_html__( 'Reset Progress', 'sensei-lms' ) .
'</a>' .
'</span>';
} else {
// Not enrolled.
$enrol_label = esc_html__( 'Enroll', 'sensei-lms' );
$enrol_data_action = 'enrol';
$restore_providers_attr = '';
// Check if it's enrolled by some provider.
if ( ! empty( $provider_ids_with_enrollment ) ) {
$enrol_label = esc_html__( 'Restore Enrollment', 'sensei-lms' );
$enrol_data_action = 'restore_enrollment';
$restore_providers_attr = $providers_attr;
}
$enrol_action_url = wp_nonce_url(
add_query_arg(
array(
'page' => 'sensei_learners',
'view' => 'learners',
'learner_action' => $enrol_data_action,
'course_id' => $this->course_id,
'user_id' => $user_activity->user_id,
'enrolment_status' => $this->enrolment_status,
),
admin_url( 'admin.php' )
),
'sensei-learner-action-' . $enrol_data_action
);
$row_actions[] =
'<span>' .
'<a class="learner-action" data-user-id="' . esc_attr( $user_activity->user_id ) . '" data-action="' . $enrol_data_action . '" ' . $restore_providers_attr . ' href="' . esc_url( $enrol_action_url ) . '">' .
$enrol_label .
'</a>' .
'</span>';
$row_actions[] =
'<span class="delete">' .
'<a class="learner-async-action delete" data-user-id="' . esc_attr( $user_activity->user_id ) . '" data-action="remove_progress" data-post-id="' . esc_attr( $post_id ) . '" data-post-type="' . esc_attr( $post_type ) . '" href="#">' .
esc_html__( 'Remove Progress', 'sensei-lms' ) .
'</a>' .
'</span>';
}
} else {
// Lessons.
$row_actions[] =
'<span class="delete">' .
'<a class="learner-async-action delete" data-user-id="' . esc_attr( $user_activity->user_id ) . '" data-action="reset_progress" data-post-id="' . esc_attr( $post_id ) . '" data-post-type="' . esc_attr( $post_type ) . '" href="#">' .
esc_html__( 'Reset Progress', 'sensei-lms' ) .
'</a>' .
'</span>';
$row_actions[] =
'<span class="delete">' .
'<a class="learner-async-action delete" data-user-id="' . esc_attr( $user_activity->user_id ) . '" data-action="remove_progress" data-post-id="' . esc_attr( $post_id ) . '" data-post-type="' . esc_attr( $post_type ) . '" href="#">' .
esc_html__( 'Remove Progress', 'sensei-lms' ) .
'</a>' .
'</span>';
}
if ( $edit_start_date_form ) {
$actions[] = $edit_start_date_form;
}
$date_started = get_comment_meta( $user_activity->comment_ID, 'start', true );
$date_input = '<input class="edit-date-date-picker" data-name="start-date" type="text" value="' . esc_attr( $date_started ) . '">';
/**
* Filter sensei_learners_main_column_data
*
* This filter runs on the learner management screen for a specific course.
* It provides the learner row column details.
*
* @param {array} $columns {
* @type {string} $title Learner name.
* @type {string} $date_started Course start date.
* @type {string} $date_completed Course completion date (if completed).
* @type {string} $course_status Course status (e.g. completed, started etc).
* @type {string} $enrolment_status Enrolment status.
* @type {string} $action_buttons Actions that can be taken for this learner.
* }
* @param {object} $item Current WP_Comment item.
* @param {int} $post_id Course ID.
* @param {string} $post_type Post type.
*
* @return {array} The modified columns
*/
$column_data = apply_filters(
'sensei_learners_main_column_data',
array(
'title' =>
'<strong>' .
'<a class="row-title" href="' . esc_url( admin_url( 'user-edit.php?user_id=' . $user_activity->user_id ) ) . '" title="' . esc_attr( $a_title ) . '">' .
esc_html( $title ) .
'</a>' .
'</strong>' .
'<div class="row-actions">' .
implode( ' | ', $row_actions ) .
'</div>',
'date_started' => $date_input,
'date_completed' => ( 'complete' === $user_activity->comment_approved ) ? $user_activity->comment_date : '-',
'user_status' => $progress_status_html,
'enrolment_status' => $enrolment_status_html,
'actions' => implode( ' ', $actions ),
),
$item,
$post_id,
$post_type
);
$escaped_column_data = Sensei_Wp_Kses::wp_kses_array(
$column_data,
array(
'a' => array(
'class' => array(),
'href' => array(),
'title' => array(),
'data-comment-id' => array(),
'data-post-id' => array(),
'data-post-type' => array(),
'data-user-id' => array(),
'data-action' => array(),
'data-provider' => array(),
),
// Explicitly allow form tag for WP.com.
'form' => array(
'class' => array(),
),
'input' => array(
'class' => array(),
'type' => array(),
'value' => array(),
'data-name' => array(),
),
)
);
break;
case 'lessons':
$lesson_learners = Sensei_Utils::sensei_check_for_activity(
apply_filters(
'sensei_learners_lesson_learners',
array(
'post_id' => $item->ID,
'type' => 'sensei_lesson_status',
'status' => 'any',
)
)
);
$title = get_the_title( $item );
// translators: Placeholder is the item title/name.
$a_title = sprintf( __( 'Edit “%s”', 'sensei-lms' ), $title );
$grading_action = '';
if ( Sensei_Lesson::lesson_quiz_has_questions( $item->ID ) ) {
$grading_action = ' <a class="button" href="' . esc_url(
add_query_arg(
array(
'page' => 'sensei_grading',
'lesson_id' => $item->ID,
'course_id' => $this->course_id,
),
admin_url( 'admin.php' )
)
) . '">' . esc_html__( 'Grading', 'sensei-lms' ) . '</a>';
}
$column_data = apply_filters(
'sensei_learners_main_column_data',
array(
'title' =>
'<strong>' .
'<a class="row-title" href="' . esc_url( admin_url( 'post.php?action=edit&post=' . $item->ID ) ) . '" title="' . esc_attr( $a_title ) . '">' .
esc_html( $title ) .
'</a>' .
'</strong>',
'num_learners' => esc_html( $lesson_learners ),
'updated' => esc_html( $item->post_modified ),
'actions' => '<a class="button" href="' . esc_url(
add_query_arg(
array(
'page' => $this->page_slug,
'lesson_id' => $item->ID,
'course_id' => $this->course_id,
'view' => 'learners',
),
admin_url( 'admin.php' )
)
) . '">' . esc_html__( 'Manage students', 'sensei-lms' ) . '</a> ' . $grading_action,
),
$item,
$this->course_id
);
$escaped_column_data = Sensei_Wp_Kses::wp_kses_array( $column_data );
break;
case 'courses':
default:
$course_learners = Sensei_Utils::sensei_check_for_activity(
apply_filters(
'sensei_learners_course_learners',
array(
'post_id' => $item->ID,
'type' => 'sensei_course_status',
'status' => 'any',
)
)
);
$title = get_the_title( $item );
// translators: Placeholder is the item title/name.
$a_title = sprintf( __( 'Edit “%s”', 'sensei-lms' ), $title );
$grading_action = ' <a class="button" href="' . esc_url(
add_query_arg(
array(
'page' => 'sensei_grading',
'course_id' => $item->ID,
),
admin_url( 'admin.php' )
)
) . '">' . esc_html__( 'Grading', 'sensei-lms' ) . '</a>';
$column_data = apply_filters(
'sensei_learners_main_column_data',
array(
'title' =>
'<strong>' .
'<a class="row-title" href="' . esc_url(
add_query_arg(
array(
'page' => 'sensei_learners',
'course_id' => $item->ID,
'view' => 'learners',
),
admin_url( 'admin.php' )
)
) . '" title="' . esc_attr( $a_title ) . '">' .
esc_html( $title ) .
'</a>' .
'</strong>',
'num_learners' => esc_html( $course_learners ),
'updated' => esc_html( $item->post_modified ),
'actions' =>
'<div class="student-action-menu" data-course-id="' . esc_attr( $item->ID ) . '"></div>',
),
$item
);
$escaped_column_data = Sensei_Wp_Kses::wp_kses_array( $column_data );
break;
}
return $escaped_column_data;
}
/**
* Generates the edit start date form.
*
* @param WP_Comment $user_activity The sensei user activity.
* @param integer $post_id The post id.
* @param string $post_type The post type (lesson or course).
*
* @return string The form.
*/
private function get_edit_start_date_form( $user_activity, $post_id, $post_type ) : string {
$submit_button_text = __( 'Update Student', 'sensei-lms' );
return '<form class="edit-start-date">
<a class="edit-start-date-submit button" data-user-id="' . esc_attr( $user_activity->user_id ) . '" data-post-id="' . esc_attr( $post_id ) . '" data-post-type="' . esc_attr( $post_type ) . '" data-comment-id="' . esc_attr( $user_activity->comment_ID ) . '">' . esc_html( $submit_button_text ) . '</a>
</form>';
}
/**
* Return array of course
*
* @since 1.7.0
*
* @param array $args Arguments to WP_Query.
*
* @return array courses
*/
private function get_courses( $args ) {
$course_args = array(
'post_type' => 'course',
'post_status' => 'publish',
'posts_per_page' => $args['per_page'],
'offset' => $args['offset'],
'orderby' => $args['orderby'],
'order' => $args['order'],
);
if ( $args['category'] ) {
$course_args['tax_query'][] = array(
'taxonomy' => 'course-category',
'field' => 'id',
'terms' => $args['category'],
);
}
if ( $args['search'] ) {
$course_args['s'] = $args['search'];
}
/**
* Filter arguments for the course query on the student management screen.
*
* @hook sensei_learners_filter_courses
*
* @param {array} $course_args Course query arguments.
* @return {array} The modified arguments.
*/
$courses_query = new WP_Query( apply_filters( 'sensei_learners_filter_courses', $course_args ) );
$this->total_items = $courses_query->found_posts;
return $courses_query->posts;
}
/**
* Return array of lessons.
*
* @since 1.7.0
*
* @param array $args Arguments to WP_Query.
*
* @return array lessons
*/
private function get_lessons( $args ) {
$lesson_args = array(
'post_type' => 'lesson',
'post_status' => 'publish',
'posts_per_page' => $args['per_page'],
'offset' => $args['offset'],
'orderby' => $args['orderby'],
'order' => $args['order'],
);
if ( $this->course_id ) {
$lesson_args['meta_query'][] = array(
'key' => '_lesson_course',
'value' => $this->course_id,
);
}
if ( $args['search'] ) {
$lesson_args['s'] = $args['search'];
}
/**
* Filter arguments for the lesson query on the student management screen.
*
* @hook sensei_learners_filter_lessons
*
* @param {array} $lesson_args Lesson query arguments.
* @return {array} The modified arguments.
*/
$lessons_query = new WP_Query( apply_filters( 'sensei_learners_filter_lessons', $lesson_args ) );
$this->total_items = $lessons_query->found_posts;
return $lessons_query->posts;
}
/**
* Return array of learners
*
* @since 1.7.0
*
* @param array $args Arguments to comment query.
*
* @return array learners
*/
private function get_learners( $args ) {
$post_id = 0;
$activity = '';
if ( $this->lesson_id ) {
$post_id = intval( $this->lesson_id );
$activity = 'sensei_lesson_status';
} elseif ( $this->course_id ) {
$post_id = intval( $this->course_id );
$activity = 'sensei_course_status';
}
if ( ! $post_id || ! $activity ) {
$this->total_items = 0;
return array();
}
$activity_args = array(
'post_id' => $post_id,
'type' => $activity,
'status' => 'any',
'number' => $args['per_page'],
'offset' => $args['offset'],
'orderby' => $args['orderby'],
'order' => $args['order'],
);
$user_ids = $this->filter_activities_by_users( $args['search'] );
// No users where found.
if ( is_array( $user_ids ) && empty( $user_ids ) ) {
return [];
}
if ( false !== $user_ids ) {
$activity_args['user_id'] = $user_ids;
}
/**
* Filter arguments for the learners activity on the student management screen.
*
* @hook sensei_learners_filter_users
*
* @param {array} $activity_args Activity query arguments.
* @return {array} The modified arguments.
*/
$activity_args = apply_filters( 'sensei_learners_filter_users', $activity_args );
// WP_Comment_Query doesn't support SQL_CALC_FOUND_ROWS, so instead do this twice.
$total_learners = Sensei_Utils::sensei_check_for_activity(
array_merge(
$activity_args,
array(
'count' => true,
'offset' => 0,
'number' => 0,
)
)
);
// Ensure we change our range to fit (in case a search threw off the pagination) - Should this be added to all views?
if ( $total_learners < $activity_args['offset'] ) {
$new_paged = floor( $total_learners / $activity_args['number'] );
$activity_args['offset'] = $new_paged * $activity_args['number'];
}
$learners = Sensei_Utils::sensei_check_for_activity( $activity_args, true );
// Need to always return an array, even with only 1 item.
if ( ! is_array( $learners ) ) {
$learners = array( $learners );
}
$this->total_items = $total_learners;
return $learners;
}
/**
* Returns a list of user ids to filter sensei activities. If no filtering is required, false is returned.
*
* @param string $search The search string.
*
* @return array|bool An array of user ids or false if no filtering is required. If no users are found an empty
* array will be returned.
*/
private function filter_activities_by_users( $search ) {
$user_args = [];
if ( $search ) {
$user_args = [ 'search' => '*' . $search . '*' ];
}
/**
* Allows user search arguments modification in learner management.
*
* @hook sensei_learners_search_users
*
* @param {array} $user_args Search user arguments.
* @property {string} `$user_args['search']` The search string, used as in WP_User_Query.
* @return {array} The modified arguments.
*/
$user_args = apply_filters( 'sensei_learners_search_users', $user_args );
if ( in_array( $this->enrolment_status, [ 'enrolled', 'unenrolled', 'manual' ], true ) ) {
$enrolled_users = Sensei_Course_Enrolment::get_course_instance( $this->course_id )->get_enrolled_user_ids();
if ( 'manual' === $this->enrolment_status ) {
$enrolled_users = array_filter( $enrolled_users, [ $this, 'is_manually_enrolled' ] );
}
if ( in_array( $this->enrolment_status, [ 'enrolled', 'manual' ], true ) ) {
if ( empty( $enrolled_users ) ) {
$enrolled_users = [ -1 ];
}
$user_args['include'] = $enrolled_users;
} else {
$user_args['exclude'] = $enrolled_users;
}
}
if ( ! empty( $user_args ) ) {
$user_args['fields'] = 'ID';
return ( new WP_User_Query( $user_args ) )->get_results();
}
return false;
}
/**
* Check if the user's enrollment is provided by the manual provider.
*
* @param integer $user_id The user id.
* @return bool The manual enrollment status.
*/
private function is_manually_enrolled( $user_id ) {
$enrolment_manager = Sensei_Course_Enrolment_Manager::instance();
$manual_enrolment_provider = $enrolment_manager->get_manual_enrolment_provider();
return $manual_enrolment_provider->is_enrolled( $user_id, $this->course_id );
}
/**
* Sets output when no items are found
* Overloads the parent method
*
* @since 1.6.0
* @return void
*/
public function no_items() {
switch ( $this->view ) {
case 'learners':
$text = __( 'No students found.', 'sensei-lms' );
break;
case 'lessons':
$text = __( 'No lessons found.', 'sensei-lms' );
break;
case 'courses':
case 'default':
default:
$text = __( 'No courses found.', 'sensei-lms' );
break;
}
/**
* Filter the text displayed when no items are found.
*
* @hook sensei_learners_no_items_text
*
* @param {string} $text The text to display.
* @return {string} The modified text.
*/
echo wp_kses_post( apply_filters( 'sensei_learners_no_items_text', $text ) );
}
/**
* Output for table heading
*
* @since 1.6.0
* @return void
*/
public function data_table_header() {
echo '<div class="learners-selects">';
do_action( 'sensei_learners_before_dropdown_filters' );
// Display Course Categories only on default view.
if ( 'courses' === $this->view ) {
$selected_cat = 0;
// phpcs:disable WordPress.Security.NonceVerification -- No data are modified.
if ( isset( $_GET['course_cat'] ) && '' !== sanitize_text_field( wp_unslash( $_GET['course_cat'] ) ) ) {
$selected_cat = (int) $_GET['course_cat'];
}
// phpcs:enable
$cats = get_terms( 'course-category', array( 'hide_empty' => false ) );
echo '<div class="select-box">' . "\n";
echo '<select id="course-category-options" data-placeholder="' . esc_attr__( 'Course Category', 'sensei-lms' ) . '" name="learners_course_cat" class="chosen_select widefat">' . "\n";
echo '<option value="0">' . esc_html__( 'All Course Categories', 'sensei-lms' ) . '</option>' . "\n";
foreach ( $cats as $cat ) {
echo '<option value="' . esc_attr( $cat->term_id ) . '"' . selected( $cat->term_id, $selected_cat, false ) . '>' . esc_html( $cat->name ) . '</option>' . "\n";
}
echo '</select>' . "\n";
echo '</div>' . "\n";
}
echo '</div><!-- /.learners-selects -->';
}
/**
* Gets the list of views available on this table.
*
* @return array
*/
public function get_views() {
$menu = array();
if ( $this->course_id && ! $this->lesson_id ) {
$menu['learners'] = $this->learners_link( 'all' );
$menu['enrolled-learners'] = $this->learners_link( 'enrolled' );
$menu['unenrolled-learners'] = $this->learners_link( 'unenrolled' );
if ( $this->manual_filter_visible() ) {
$menu['manually-enrolled-learners'] = $this->learners_link( 'manual' );
}
$menu['lessons'] = $this->lessons_link();
}
/**
* Filter the sub menu items for the learner management screen.
*
* @hook sensei_learners_sub_menu
*
* @param {array} $menu The menu items.
* @return {array} The modified menu items.
*/
return apply_filters( 'sensei_learners_sub_menu', $menu );
}
/**
* Extra controls to be displayed between bulk actions and pagination.
*
* @param string $which The location of the extra table nav markup: 'top' or 'bottom'.
*/
public function extra_tablenav( $which ) {
if ( 'top' === $which ) {
echo '<div class="alignleft actions">';
}
parent::extra_tablenav( $which );
if ( 'bottom' === $which ) {
do_action( 'sensei_learners_extra' );
}
if ( 'top' === $which ) {
echo '</div>';
}
}
/**
* Output search form for table.
*/
public function table_search_form() {
if ( empty( $_REQUEST['s'] ) && ! $this->has_items() ) { // phpcs:ignore WordPress.Security.NonceVerification
return;
}
/**
* Filter the search box button text on the learner management screen.
*
* @hook sensei_list_table_search_button_text
*
* @param {string} $text The text to display.
* @return {string} The modified text.
*/
$this->search_box( apply_filters( 'sensei_list_table_search_button_text', __( 'Search Users', 'sensei-lms' ) ), 'search_id' );
}
/**
* Constructs the learner anchor elements in learner management.
*
* @param string $enrolment_status The enrolment status.
*
* @return string The element
*/
private function learners_link( $enrolment_status ) {
$query_args = array(
'page' => $this->page_slug,
'course_id' => $this->course_id,
'view' => 'learners',
'enrolment_status' => $enrolment_status,
);
$is_selected = 'learners' === $this->view && $enrolment_status === $this->enrolment_status;
$url = add_query_arg( $query_args, admin_url( 'admin.php' ) );
$link_title = false;
switch ( $enrolment_status ) {
case 'enrolled':
$link_title = esc_html__( 'Enrolled Students', 'sensei-lms' );
break;
case 'unenrolled':
$link_title = esc_html__( 'Unenrolled Students', 'sensei-lms' );
break;
case 'manual':
$link_title = esc_html__( 'Manually Enrolled Students', 'sensei-lms' );
break;
case 'all':
$link_title = esc_html__( 'All Students', 'sensei-lms' );
break;
}
if ( ! $link_title ) {
return '';
}
return '<a ' . ( $is_selected ? 'class="current"' : '' ) . ' href="' . esc_url( $url ) . '">' . $link_title . '</a>';
}
/**
* Constructs the 'Lessons' anchor element in learner management.
*
* @return string The element
*/
private function lessons_link() {
$query_args = array(
'page' => $this->page_slug,
'course_id' => $this->course_id,
'view' => 'lessons',
);
$url = add_query_arg( $query_args, admin_url( 'admin.php' ) );
return '<a ' . ( 'lessons' === $this->view ? 'class="current"' : '' ) . ' href="' . esc_url( $url ) . '">' . esc_html__( 'Lessons', 'sensei-lms' ) . '</a>';
}
/**
* Output for table footer
*
* @since 1.6.0
* @return void
*/
public function data_table_footer() {
_deprecated_function( __METHOD__, '3.0.0' );
}
/**
* Add learners (to Course or Lesson) box to bottom of table display
*
* @since 1.6.0
* @return void
*/
public function add_learners_box() {
$manual_provider = Sensei_Course_Enrolment_Manager::instance()->get_manual_enrolment_provider();
if ( ! $manual_provider ) {
return;
}
$box_title = '';
$post_title = '';
$form_post_type = '';
$form_course_id = 0;
$form_lesson_id = 0;
if ( $this->course_id && ! $this->lesson_id ) {
$post_title = get_the_title( $this->course_id );
$box_title = __( 'Add Student to Course', 'sensei-lms' );
$form_post_type = 'course';
$form_course_id = $this->course_id;
} elseif ( $this->course_id && $this->lesson_id ) {
$post_title = get_the_title( $this->lesson_id );
$box_title = __( 'Add Student to Lesson', 'sensei-lms' );
$form_post_type = 'lesson';
$form_course_id = $this->course_id;
$form_lesson_id = $this->lesson_id;
$course_title = get_the_title( $this->course_id );
}
if ( empty( $form_post_type ) ) {
return;
}
?>
<div class="postbox">
<h2 id="add-student-to-course-header">
<?php echo esc_html( $box_title ); ?>
</h2>
<div class="inside">
<form name="add_learner" action="" method="post">
<p class="add-student-form-container student-search-empty">
<select name="add_user_id[]" id="add_learner_search" multiple="multiple" style="min-width:300px;"></select>
<?php if ( 'lesson' === $form_post_type ) { ?>
<label for="add_complete_lesson"><input type="checkbox" id="add_complete_lesson" name="add_complete_lesson" value="yes" /> <?php esc_html_e( 'Complete lesson for selected student(s)', 'sensei-lms' ); ?></label>
<?php } elseif ( 'course' === $form_post_type ) { ?>
<label for="add_complete_course"><input type="checkbox" id="add_complete_course" name="add_complete_course" value="yes" /> <?php esc_html_e( 'Complete course for selected student(s)', 'sensei-lms' ); ?></label>
<?php } ?>
</p>
<p>
<?php
// translators: Placeholder is the post title.
submit_button( sprintf( __( 'Add to \'%1$s\'', 'sensei-lms' ), $post_title ), 'primary', 'add_learner_submit', false, array( 'disabled' => true ) );
?>
</p>
<?php if ( 'lesson' === $form_post_type && isset( $course_title ) ) { ?>
<p><span class="description">
<?php
// translators: Placeholder is the course title.
printf( esc_html__( 'Student will also be added to the course \'%1$s\' if they are not already taking it.', 'sensei-lms' ), esc_html( $course_title ) );
?>
</span></p>
<?php } ?>
<input type="hidden" name="add_post_type" value="<?php echo esc_attr( $form_post_type ); ?>" />
<input type="hidden" name="add_course_id" value="<?php echo esc_attr( $form_course_id ); ?>" />
<input type="hidden" name="add_lesson_id" value="<?php echo esc_attr( $form_lesson_id ); ?>" />
<?php
do_action( 'sensei_learners_add_learner_form' );
?>
<?php wp_nonce_field( 'add_learner_to_sensei', 'add_learner_nonce' ); ?>
</form>
</div>
</div>
<?php
}
/**
* The text for the search button
*
* @since 1.7.0
* @return string $text
*/
public function search_button() {
switch ( $this->view ) {
case 'learners':
$text = __( 'Search Students', 'sensei-lms' );
break;
case 'lessons':
$text = __( 'Search Lessons', 'sensei-lms' );
break;
default:
$text = __( 'Search Courses', 'sensei-lms' );
break;
}
return $text;
}
/**
* Helper method which calculates if the 'Manually Enrolled Students' filter should be displayed.
*
* @return bool
* @throws Exception If the providers weren't initialized yet.
*/
private function manual_filter_visible() {
$manual_provider = Sensei_Course_Enrolment_Manager::instance()->get_manual_enrolment_provider();
$all_providers = Sensei_Course_Enrolment_Manager::instance()->get_all_enrolment_providers();
return $manual_provider instanceof Sensei_Course_Manual_Enrolment_Provider && count( $all_providers ) > 1;
}
/**
* Get the current view.
*
* @return string
*/
public function get_view() : string {
return $this->view;
}
}
/**
* Class WooThemes_Sensei_Learners_Main
*
* @ignore only for backward compatibility
* @since 1.9.0
*/
class WooThemes_Sensei_Learners_Main extends Sensei_Learners_Main {} //phpcs:ignore Generic.Files.OneObjectStructurePerFile.MultipleFound