gocodebox/lifterlms

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includes/admin/reporting/tables/llms.table.membership.students.php

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<?php
/**
 * Display students enrolled in a given membership on the membership students subtab
 *
 * @package LifterLMS/Admin/Reporting/Tables/Classes
 *
 * @since 3.32.0
 * @version 6.0.0
 */

defined( 'ABSPATH' ) || exit;

/**
 * LLMS_Table_Membership_Students class
 *
 * @since 3.32.0
 */
class LLMS_Table_Membership_Students extends LLMS_Admin_Table {

    /**
     * Unique ID for the Table
     *
     * @since   3.32.0
     *
     * @var  string
     */
    protected $id = 'membership-students';

    /**
     * Value of the field being filtered by
     * Only applicable if $filterby is set.
     *
     * @since   3.32.0
     *
     * @var  string
     */
    protected $filter = 'any';

    /**
     * Field results are filtered by.
     *
     * @since   3.32.0
     *
     * @var  string
     */
    protected $filterby = 'status';

    /**
     * Is the Table Exportable?
     *
     * @since   3.32.0
     *
     * @var  boolean
     */
    protected $is_exportable = true;


    /**
     *
     * @since   3.32.0
     *
     * Determine if the table is filterable.
     * @var  boolean
     */
    protected $is_filterable = true;

    /**
     * If true, tfoot will add ajax pagination links.
     *
     * @since   3.32.0
     *
     * @var  boolean
     */
    protected $is_paginated = true;

    /**
     * Determine of the table is searchable.
     *
     * @since   3.32.0
     *
     * @var  boolean
     */
    protected $is_searchable = true;

    /**
     * Results sort order 'ASC' or 'DESC'.
     * Only applicable of $orderby is not set.
     *
     * @since   3.32.0
     *
     * @var  string
     */
    protected $order = 'ASC';

    /**
     * Field results are sorted by.
     *
     * @since   3.32.0
     *
     * @var  string
     */
    protected $orderby = 'name';

    /**
     * Post ID for the current table.
     *
     * @since   3.32.0
     *
     * @var  int
     */
    public $membership_id = null;

    /**
     * Retrieve data for the columns
     *
     * @since 3.32.0
     *
     * @param string       $key     The column id / key.
     * @param LLMS_Student $student Student object.
     * @return mixed
     */
    public function get_data( $key, $student ) {

        $value = '';

        switch ( $key ) {

            case 'enrolled':
                $value = $student->get_enrollment_date( $this->membership_id, 'updated' );
                break;

            case 'id':
                $id = $student->get_id();
                if ( current_user_can( 'edit_users', $id ) ) {
                    $value = '<a href="' . esc_url( get_edit_user_link( $id ) ) . '">' . $id . '</a>';
                } else {
                    $value = $id;
                }
                break;

            case 'name':
                $first = $student->get( 'first_name' );
                $last  = $student->get( 'last_name' );

                if ( ! $first || ! $last ) {
                    $value = $student->get( 'display_name' );
                } else {
                    $value = $last . ', ' . $first;
                }

                $url   = add_query_arg(
                    array(
                        'page'          => 'llms-reporting',
                        'tab'           => 'students',
                        'student_id'    => $student->get_id(),
                        'stab'          => 'memberships',
                        'membership_id' => $this->membership_id,
                    ),
                    admin_url( 'admin.php' )
                );
                $value = '<a href="' . esc_url( $url ) . '">' . $value . '</a>';

                break;

            case 'status':
                $value = llms_get_enrollment_status_name( $student->get_enrollment_status( $this->membership_id ) );
                break;

            default:
                $value = $key;

        }// End switch().

        return $this->filter_get_data( $value, $key, $student );

    }

    /**
     * Retrieve data for a cell in an export file.
     * Should be overridden in extending classes.
     *
     * @since 3.32.0
     *
     * @param string $key     The column id / key.
     * @param obj    $student Instance of the LLMS_Student.
     * @return mixed
     */
    public function get_export_data( $key, $student ) {

        switch ( $key ) {

            case 'id':
                $value = $student->get_id();
                break;

            case 'email':
                $value = $student->get( 'user_email' );
                break;

            case 'name_first':
                $value = $student->get( 'first_name' );
                break;

            case 'name_last':
                $value = $student->get( 'last_name' );
                break;

            default:
                $value = $this->get_data( $key, $student );

        }// End switch().

        return $this->filter_get_data( $value, $key, $student, 'export' );

    }


    /**
     * Get a lock key unique to the table & user for locking the table during export generation.
     *
     * @since 3.32.0
     *
     * @return string
     */
    public function get_export_lock_key() {
        $args = $this->get_args();
        return sprintf( '%1$s:%2$d:%3$d', $this->id, get_current_user_id(), $args['membership_id'] );
    }

    /**
     * Allow customization of the title for export files.
     *
     * @since 3.32.0
     *
     * @param  array $args Optional. Array of arguments passed from table to csv processor. Default empty array.
     * @return string
     */
    public function get_export_title( $args = array() ) {
        $title = $this->get_title();
        if ( isset( $args['membership_id'] ) ) {
            $title = get_the_title( $args['membership_id'] ) . ' ' . $title;
        }
        return apply_filters( 'llms_table_get_' . $this->id . '_export_title', $title );
    }

    /**
     * Get the Text to be used as the placeholder in a searchable tables search input.
     *
     * @since 3.32.0
     *
     * @return string
     */
    public function get_table_search_form_placeholder() {
        return apply_filters( 'llms_reporting_get_' . $this->id . '_search_placeholder', __( 'Search students by name or email...', 'lifterlms' ) );
    }

    /**
     * Execute a query to retrieve results from the table.
     *
     * @since 3.32.0
     * @since 6.0.0 Don't access `LLMS_Student_Query` properties directly.
     *
     * @param array $args Optional. Array of query args. Default empty array.
     * @return void
     */
    public function get_results( $args = array() ) {

        $this->title = __( 'Students', 'lifterlms' );

        if ( ! $args ) {
            $args = $this->get_args();
        }

        $args = $this->clean_args( $args );

        $this->membership_id = $args['membership_id'];

        if ( isset( $args['page'] ) ) {
            $this->current_page = absint( $args['page'] );
        }

        $this->filter   = isset( $args['filter'] ) ? $args['filter'] : $this->get_filter();
        $this->filterby = isset( $args['filterby'] ) ? $args['filterby'] : $this->get_filterby();

        $this->order   = isset( $args['order'] ) ? $args['order'] : $this->get_order();
        $this->orderby = isset( $args['orderby'] ) ? $args['orderby'] : $this->get_orderby();

        $sort = array();
        switch ( $this->get_orderby() ) {

            case 'enrolled':
                $sort = array(
                    'date'       => $this->get_order(),
                    'last_name'  => 'ASC',
                    'first_name' => 'ASC',
                    'id'         => 'ASC',
                );
                break;

            case 'id':
                $sort = array(
                    'id' => $this->get_order(),
                );
                break;

            case 'name':
                $sort = array(
                    'last_name'  => $this->get_order(),
                    'first_name' => 'ASC',
                    'id'         => 'ASC',
                );
                break;

            case 'status':
                $sort = array(
                    'status'     => $this->get_order(),
                    'last_name'  => 'ASC',
                    'first_name' => 'ASC',
                    'id'         => 'ASC',
                );
                break;

        }

        $query_args = array(
            'page'     => $this->get_current_page(),
            'post_id'  => $args['membership_id'],
            'per_page' => apply_filters( 'llms_' . $this->id . '_table_students_per_page', 25 ),
            'sort'     => $sort,
        );

        if ( 'status' === $this->get_filterby() && 'any' !== $this->get_filter() ) {

            $query_args['statuses'] = array( $this->get_filter() );

        }

        if ( isset( $args['search'] ) ) {

            $this->search         = $args['search'];
            $query_args['search'] = $this->get_search();

        }

        $query = new LLMS_Student_Query( $query_args );

        $this->max_pages    = $query->get_max_pages();
        $this->is_last_page = $query->is_last_page();

        $this->tbody_data = $query->get_students();

    }


    /**
     * Define the structure of arguments used to pass to the get_results method.
     *
     * @since 3.32.0
     *
     * @return array
     */
    public function set_args() {

        if ( ! $this->membership_id ) {
            $this->membership_id = ! empty( $_GET['membership_id'] ) ? absint( $_GET['membership_id'] ) : null;
        }

        return array(
            'membership_id' => $this->membership_id,
        );

    }

    /**
     * Define the structure of the table
     *
     * @since 3.32.0
     *
     * @return array
     */
    public function set_columns() {
        $cols = array(
            'id'         => array(
                'exportable' => true,
                'sortable'   => true,
                'title'      => __( 'ID', 'lifterlms' ),
            ),
            'name'       => array(
                'sortable' => true,
                'title'    => __( 'Name', 'lifterlms' ),
            ),
            'name_last'  => array(
                'exportable'  => true,
                'export_only' => true,
                'title'       => __( 'Last Name', 'lifterlms' ),
            ),
            'name_first' => array(
                'exportable'  => true,
                'export_only' => true,
                'title'       => __( 'First Name', 'lifterlms' ),
            ),
            'email'      => array(
                'exportable'  => true,
                'export_only' => true,
                'title'       => __( 'Email', 'lifterlms' ),
            ),
            'status'     => array(
                'exportable' => true,
                'filterable' => llms_get_enrollment_statuses(),
                'sortable'   => true,
                'title'      => __( 'Status', 'lifterlms' ),
            ),
            'enrolled'   => array(
                'exportable' => true,
                'sortable'   => true,
                'title'      => __( 'Enrollment Updated', 'lifterlms' ),
            ),
        );

        return $cols;

    }

}