<?php

/**

 * List Table API: WP_Users_List_Table class

 *

 * @package WordPress

 * @subpackage Administration

 * @since 3.1.0

 */

/**

 * Core class used to implement displaying users in a list table.

 *

 * @since 3.1.0

 * @access private

 *

 * @see WP_List_Table

 */

class WP_Users_List_Table extends WP_List_Table {

	/**

	 * Site ID to generate the Users list table for.

	 *

	 * @since 3.1.0

	 * @var int

	 */

	public $site_id;

	/**

	 * Whether or not the current Users list table is for Multisite.

	 *

	 * @since 3.1.0

	 * @var bool

	 */

	public $is_site_users;

	/**

	 * Constructor.

	 *

	 * @since 3.1.0

	 *

	 * @see WP_List_Table::__construct() for more information on default arguments.

	 *

	 * @param array $args An associative array of arguments.

	 */

	public function __construct( $args = array() ) {

		parent::__construct(

			array(

				'singular' => 'user',

				'plural'   => 'users',

				'screen'   => isset( $args['screen'] ) ? $args['screen'] : null,

			)

		);

		$this->is_site_users = 'site-users-network' === $this->screen->id;

		if ( $this->is_site_users ) {

			$this->site_id = isset( $_REQUEST['id'] ) ? intval( $_REQUEST['id'] ) : 0;

		}

	}

	/**

	 * Check the current user's permissions.

	 *

	 * @since 3.1.0

	 *

	 * @return bool

	 */

	public function ajax_user_can() {

		if ( $this->is_site_users ) {

			return current_user_can( 'manage_sites' );

		} else {

			return current_user_can( 'list_users' );

		}

	}

	/**

	 * Prepare the users list for display.

	 *

	 * @since 3.1.0

	 *

	 * @global string $role

	 * @global string $usersearch

	 */

	public function prepare_items() {

		global $role, $usersearch;

		$usersearch = isset( $_REQUEST['s'] ) ? wp_unslash( trim( $_REQUEST['s'] ) ) : '';

		$role = isset( $_REQUEST['role'] ) ? $_REQUEST['role'] : '';

		$per_page       = ( $this->is_site_users ) ? 'site_users_network_per_page' : 'users_per_page';

		$users_per_page = $this->get_items_per_page( $per_page );

		$paged = $this->get_pagenum();

		if ( 'none' === $role ) {

			$args = array(

				'number'  => $users_per_page,

				'offset'  => ( $paged - 1 ) * $users_per_page,

				'include' => wp_get_users_with_no_role( $this->site_id ),

				'search'  => $usersearch,

				'fields'  => 'all_with_meta',

			);

		} else {

			$args = array(

				'number' => $users_per_page,

				'offset' => ( $paged - 1 ) * $users_per_page,

				'role'   => $role,

				'search' => $usersearch,

				'fields' => 'all_with_meta',

			);

		}

		if ( '' !== $args['search'] ) {

			$args['search'] = '*' . $args['search'] . '*';

		}

		if ( $this->is_site_users ) {

			$args['blog_id'] = $this->site_id;

		}

		if ( isset( $_REQUEST['orderby'] ) ) {

			$args['orderby'] = $_REQUEST['orderby'];

		}

		if ( isset( $_REQUEST['order'] ) ) {

			$args['order'] = $_REQUEST['order'];

		}

		/**

		 * Filters the query arguments used to retrieve users for the current users list table.

		 *

		 * @since 4.4.0

		 *

		 * @param array $args Arguments passed to WP_User_Query to retrieve items for the current

		 *                    users list table.

		 */

		$args = apply_filters( 'users_list_table_query_args', $args );

		$wp_user_search = new WP_User_Query( $args );

		$this->items = $wp_user_search->get_results();

		$this->set_pagination_args(

			array(

				'total_items' => $wp_user_search->get_total(),

				'per_page'    => $users_per_page,

			)

		);

	}

	/**

	 * Output 'no users' message.

	 *

	 * @since 3.1.0

	 */

	public function no_items() {

		_e( 'No users found.' );

	}

	/**

	 * Return an associative array listing all the views that can be used

	 * with this table.

	 *

	 * Provides a list of roles and user count for that role for easy

	 * Filtersing of the user table.

	 *

	 *

	 * @global string $role

	 *

	 */

	protected function get_views() {

		global $role;

		$wp_roles = wp_roles();

		if ( $this->is_site_users ) {

			$url = 'site-users.php?id=' . $this->site_id;

			switch_to_blog( $this->site_id );

			$users_of_blog = count_users( 'time', $this->site_id );

			restore_current_blog();

		} else {

			$url           = 'users.php';

			$users_of_blog = count_users();

		}

		$total_users = $users_of_blog['total_users'];

		$avail_roles =& $users_of_blog['avail_roles'];

		unset( $users_of_blog );

		$current_link_attributes = empty( $role ) ? ' class="current" aria-current="page"' : '';

		$role_links        = array();

		foreach ( $wp_roles->get_names() as $this_role => $name ) {

			if ( ! isset( $avail_roles[ $this_role ] ) ) {

				continue;

			}

			$current_link_attributes = '';

			if ( $this_role === $role ) {

				$current_link_attributes = ' class="current" aria-current="page"';

			}

			$name = translate_user_role( $name );

			$role_links[ $this_role ] = "<a href='" . esc_url( add_query_arg( 'role', $this_role, $url ) ) . "'$current_link_attributes>$name</a>";

		}

		if ( ! empty( $avail_roles['none'] ) ) {

			$current_link_attributes = '';

			if ( 'none' === $role ) {

				$current_link_attributes = ' class="current" aria-current="page"';

			}

			$name = __( 'No role' );

			$role_links['none'] = "<a href='" . esc_url( add_query_arg( 'role', 'none', $url ) ) . "'$current_link_attributes>$name</a>";

		}

		return $role_links;

	}

	/**

	 * Retrieve an associative array of bulk actions available on this table.

	 *

	 *

	 */

	protected function get_bulk_actions() {

		$actions = array();

		if ( is_multisite() ) {

			if ( current_user_can( 'remove_users' ) ) {

				$actions['remove'] = __( 'Remove' );

			}

		} else {

			if ( current_user_can( 'delete_users' ) ) {

				$actions['delete'] = __( 'Delete' );

			}

		}

		return $actions;

	}

	/**

	 * Output the controls to allow user roles to be changed in bulk.

	 *

	 * @since 3.1.0

	 *

	 * @param string $which Whether this is being invoked above ("top")

	 *                      or below the table ("bottom").

	 */

	protected function extra_tablenav( $which ) {

		$id        = 'bottom' === $which ? 'new_role2' : 'new_role';

		$button_id = 'bottom' === $which ? 'changeit2' : 'changeit';

		?>

	<div class="alignleft actions">

		<?php if ( current_user_can( 'promote_users' ) && $this->has_items() ) : ?>

		<label class="screen-reader-text" for="<?php echo $id; ?>"><?php _e( 'Change role to&hellip;' ); ?></label>

		<select name="<?php echo $id; ?>" id="<?php echo $id; ?>">

			<option value=""><?php _e( 'Change role to&hellip;' ); ?></option>

			<?php wp_dropdown_roles(); ?>

		</select>

			<?php

			submit_button( __( 'Change' ), '', $button_id, false );

		endif;

		/**

		 * Fires just before the closing div containing the bulk role-change controls

		 * in the Users list table.

		 *

		 * @since 3.5.0

		 * @since 4.6.0 The `$which` parameter was added.

		 *

		 * @param string $which The location of the extra table nav markup: 'top' or 'bottom'.

		 */

		do_action( 'restrict_manage_users', $which );

		?>

		</div>

		<?php

		/**

		 * Fires immediately following the closing "actions" div in the tablenav for the users

		 * list table.

		 *

		 * @since 4.9.0

		 *

		 * @param string $which The location of the extra table nav markup: 'top' or 'bottom'.

		 */

		do_action( 'manage_users_extra_tablenav', $which );

	}

	/**

	 * Capture the bulk action required, and return it.

	 *

	 * Overridden from the base class implementation to capture

	 * the role change drop-down.

	 *

	 *

	 * @return string The bulk action required.

	 */

	public function current_action() {

		if ( ( isset( $_REQUEST['changeit'] ) || isset( $_REQUEST['changeit2'] ) ) &&

			( ! empty( $_REQUEST['new_role'] ) || ! empty( $_REQUEST['new_role2'] ) ) ) {

			return 'promote';

		}

		return parent::current_action();

	}

	/**

	 * Get a list of columns for the list table.

	 *

	 *

	 */

	public function get_columns() {

		$c = array(

			'cb'       => '<input type="checkbox" />',

			'username' => __( 'Username' ),

			'name'     => __( 'Name' ),

			'email'    => __( 'Email' ),

			'role'     => __( 'Role' ),

			'posts'    => __( 'Posts' ),

		);

		if ( $this->is_site_users ) {

			unset( $c['posts'] );

		}

		return $c;

	}

	/**

	 * Get a list of sortable columns for the list table.

	 *

	 * @since 3.1.0

	 *

	 * @return array Array of sortable columns.

	 */

	protected function get_sortable_columns() {

		$c = array(

			'username' => 'login',

			'email'    => 'email',

		);

		return $c;

	}

	/**

	 * Generate the list table rows.

	 *

	 * @since 3.1.0

	 */

	public function display_rows() {

		if ( ! $this->is_site_users ) {

			$post_counts = count_many_users_posts( array_keys( $this->items ) );

		}

		foreach ( $this->items as $userid => $user_object ) {

			echo "\n\t" . $this->single_row( $user_object, '', '', isset( $post_counts ) ? $post_counts[ $userid ] : 0 );

		}

	}

	/**

	 * Generate HTML for a single row on the users.php admin panel.

	 *

	 * @since 3.1.0

	 * @since 4.2.0 The `$style` parameter was deprecated.

	 * @since 4.4.0 The `$role` parameter was deprecated.

	 *

	 * @param WP_User $user_object The current user object.

	 * @param string  $style       Deprecated. Not used.

	 * @param string  $role        Deprecated. Not used.

	 * @param int     $numposts    Optional. Post count to display for this user. Defaults

	 *                             to zero, as in, a new user has made zero posts.

	 * @return string Output for a single row.