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<?php

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/**

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* WPSEO plugin file.

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* @package WPSEO\Admin

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/**

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* Class to change or add WordPress dashboard widgets.

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class Yoast_Dashboard_Widget implements WPSEO_WordPress_Integration {

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/**

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* Holds the cache transient key.

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* @var string

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public const CACHE_TRANSIENT_KEY = 'wpseo-dashboard-totals';

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/**

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* Holds an instance of the admin asset manager.

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* @var WPSEO_Admin_Asset_Manager

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protected $asset_manager;

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/**

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* Holds the dashboard statistics.

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* @var WPSEO_Statistics

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protected $statistics;

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/**

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* Yoast_Dashboard_Widget constructor.

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* @param WPSEO_Statistics|null $statistics WPSEO_Statistics instance.

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public function __construct( ?WPSEO_Statistics $statistics = null ) {

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if ( $statistics === null ) {

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$statistics = new WPSEO_Statistics();

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}

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$this->statistics = $statistics;

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$this->asset_manager = new WPSEO_Admin_Asset_Manager();

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}

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/**

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* Register WordPress hooks.

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* @return void

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public function register_hooks() {

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add_action( 'admin_enqueue_scripts', [ $this, 'enqueue_dashboard_assets' ] );

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add_action( 'admin_init', [ $this, 'queue_dashboard_widget' ] );

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}

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/**

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* Adds the dashboard widget if it should be shown.

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* @return void

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public function queue_dashboard_widget() {

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if ( $this->show_widget() ) {

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add_action( 'wp_dashboard_setup', [ $this, 'add_dashboard_widget' ] );

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}

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}

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/**

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* Adds dashboard widget to WordPress.

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* @return void

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public function add_dashboard_widget() {

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add_filter( 'postbox_classes_dashboard_wpseo-dashboard-overview', [ $this, 'wpseo_dashboard_overview_class' ] );

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wp_add_dashboard_widget(

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'wpseo-dashboard-overview',

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/* translators: %s is the plugin name */

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sprintf( __( '%s Posts Overview', 'wordpress-seo' ), 'Yoast SEO' ),

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[ $this, 'display_dashboard_widget' ]

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);

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}

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/**

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* Adds CSS classes to the dashboard widget.

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* @param array $classes An array of postbox CSS classes.

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* @return array

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public function wpseo_dashboard_overview_class( $classes ) {

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$classes[] = 'yoast wpseo-dashboard-overview';

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return $classes;

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}

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/**

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* Displays the dashboard widget.

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* @return void

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public function display_dashboard_widget() {

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echo '<div id="yoast-seo-dashboard-widget"></div>';

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}

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/**

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* Enqueues assets for the dashboard if the current page is the dashboard.

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* @return void

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public function enqueue_dashboard_assets() {

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if ( ! $this->is_dashboard_screen() ) {

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return;

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}

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$this->asset_manager->localize_script( 'dashboard-widget', 'wpseoDashboardWidgetL10n', $this->localize_dashboard_script() );

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$this->asset_manager->enqueue_script( 'dashboard-widget' );

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$this->asset_manager->enqueue_style( 'wp-dashboard' );

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$this->asset_manager->enqueue_style( 'monorepo' );

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}

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/**

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* Translates strings used in the dashboard widget.

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* @return array The translated strings.

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public function localize_dashboard_script() {

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return [

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'feed_header' => sprintf(

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/* translators: %1$s resolves to Yoast.com */

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__( 'Latest blog posts on %1$s', 'wordpress-seo' ),

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'Yoast.com'

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'feed_footer' => __( 'Read more like this on our SEO blog', 'wordpress-seo' ),

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'wp_version' => substr( $GLOBALS['wp_version'], 0, 3 ) . '-' . ( is_plugin_active( 'classic-editor/classic-editor.php' ) ? '1' : '0' ),

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'php_version' => PHP_MAJOR_VERSION . '.' . PHP_MINOR_VERSION,

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];

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}

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/**

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* Checks if the current screen is the dashboard screen.

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* @return bool Whether or not this is the dashboard screen.

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private function is_dashboard_screen() {

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$current_screen = get_current_screen();

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return ( $current_screen instanceof WP_Screen && $current_screen->id === 'dashboard' );

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}

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/**

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* Returns true when the dashboard widget should be shown.

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* @return bool

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private function show_widget() {

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$analysis_seo = new WPSEO_Metabox_Analysis_SEO();

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return $analysis_seo->is_enabled() && current_user_can( 'edit_posts' );

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}

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}

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