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✏️ Editing: class-wp-smush-admin.php

<?php

if ( ! defined( 'WPINC' ) ) {
	die;
}

/**
 * Class WP_Smush_Admin
 */
class WP_Smush_Admin {

/**
	 * Plugin pages.
	 *
	 * @var array
	 */
	public $pages = array();

/**
	 * AJAX module.
	 *
	 * @var WP_Smush_Ajax
	 */
	public $ajax;

/**
	 * WP_Smush_Admin constructor.
	 */
	public function __construct() {
		$this->includes();

add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
		// Load js and css on pages with Media Uploader - WP Enqueue Media.
		add_action( 'wp_enqueue_media', array( $this, 'enqueue_scripts' ) );

add_action( 'admin_menu', array( $this, 'add_menu_pages' ) );
		add_action( 'network_admin_menu', array( $this, 'add_menu_pages' ) );

add_action( 'admin_init', array( $this, 'smush_i18n' ) );
		// Add information to privacy policy page (only during creation).
		add_action( 'admin_init', array( $this, 'add_policy' ) );

if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) {
			$this->ajax = new WP_Smush_Ajax();
		}

add_filter( 'plugin_action_links_' . WP_SMUSH_BASENAME, array( $this, 'settings_link' ) );
		add_filter( 'network_admin_plugin_action_links_' . WP_SMUSH_BASENAME, array( $this, 'settings_link' ) );

/**
		 * Prints a membership validation issue notice in Media Library
		 */
		add_action( 'admin_notices', array( $this, 'media_library_membership_notice' ) );

// Add Smush Columns.
		add_filter( 'manage_media_columns', array( $this, 'columns' ) );
		add_action( 'manage_media_custom_column', array( $this, 'custom_column' ), 10, 2 );
		add_filter( 'manage_upload_sortable_columns', array( $this, 'sortable_column' ) );

// Manage column sorting.
		add_action( 'pre_get_posts', array( $this, 'smushit_orderby' ) );

// Smush image filter from Media Library.
		add_filter( 'ajax_query_attachments_args', array( $this, 'filter_media_query' ) );
		// Smush image filter from Media Library (list view).
		add_action( 'restrict_manage_posts', array( $this, 'media_add_author_dropdown' ) );
	}

/**
	 * Load translation files.
	 */
	public function smush_i18n() {
		load_plugin_textdomain(
			'wp-smushit',
			false,
			dirname( WP_SMUSH_BASENAME ) . '/languages'
		);
	}

/**
	 * Register JS and CSS.
	 */
	private function register_scripts() {
		// Share UI JS.
		wp_register_script( 'smush-sui', WP_SMUSH_URL . 'app/assets/js/smush-sui.min.js', array( 'jquery' ), WP_SHARED_UI_VERSION, true );

// Main JS.
		wp_register_script( 'smush-admin', WP_SMUSH_URL . 'app/assets/js/smush-admin.min.js', array( 'jquery', 'smush-sui', 'underscore' ), WP_SMUSH_VERSION, true );

// Main CSS.
		wp_register_style( 'smush-admin', WP_SMUSH_URL . 'app/assets/css/smush-admin.min.css', array(), WP_SMUSH_VERSION );

// Styles that can be used on all pages in the WP backend.
		wp_register_style( 'smush-admin-common', WP_SMUSH_URL . 'app/assets/css/smush-common.min.css', array(), WP_SMUSH_VERSION );

// Dismiss update info.
		WP_Smush::get_instance()->core()->mod->smush->dismiss_update_info();
	}

/**
	 * Enqueue scripts.
	 */
	public function enqueue_scripts() {
		$this->register_scripts();

$current_page   = '';
		$current_screen = '';

if ( function_exists( 'get_current_screen' ) ) {
			$current_screen = get_current_screen();
			$current_page   = ! empty( $current_screen ) ? $current_screen->base : $current_page;
		}

/**
		 * If this is called by wp_enqueue_media action, check if we are on one of the
		 * required screen to avoid duplicate queries.
		 * We have already enqueued scripts using admin_enqueue_scripts on required pages.
		 */
		if ( in_array( $current_page, WP_Smush_Core::$pages, true ) && doing_action( 'wp_enqueue_media' ) ) {
			return;
		}

/**
		 * Load js and css on all admin pages, in order to display install/upgrade notice.
		 * And If upgrade/install message is dismissed or for pro users, Do not enqueue script.
		 */
		if ( get_option( 'wp-smush-hide_upgrade_notice' ) || get_site_option( 'wp-smush-hide_upgrade_notice' ) || WP_Smush::is_pro() ) {
			/**
			 * Do not enqueue, unless it is one of the required screen, or not in WordPress backend.
			 *
			 * @var array $pages  List of screens where script needs to be loaded.
			 */
			if ( empty( $current_page ) || ! is_admin() || ( ! in_array( $current_page, WP_Smush_Core::$pages, true ) && ! did_action( 'wp_enqueue_media' ) ) ) {
				return;
			}
		}

// Allows to disable enqueuing smush files on a particular page.
		$enqueue_smush = apply_filters( 'wp_smush_enqueue', true );

if ( ! $enqueue_smush ) {
			return;
		}

// Load on all Smush page only.
		if ( isset( $current_screen->id ) && in_array( $current_screen->id, WP_Smush_Core::$plugin_pages, true ) ) {
			// Smush admin (smush-admin) includes the Shared UI.
			wp_enqueue_style( 'smush-admin' );
			wp_enqueue_script( 'smush-wpmudev-sui' );
		}

// We need it on media pages and Smush pages.
		wp_enqueue_script( 'smush-admin' );
		wp_enqueue_style( 'smush-admin-common' );

// Localize translatable strings for js.
		WP_Smush::get_instance()->core()->localize();

$this->extend_media_modal();
	}

/**
	 * Load media assets.
	 *
	 * Localization also used in Gutenberg integration.
	 */
	private function extend_media_modal() {
		if ( wp_script_is( 'smush-backbone-extension', 'enqueued' ) ) {
			return;
		}

wp_enqueue_script(
			'smush-backbone-extension',
			WP_SMUSH_URL . 'app/assets/js/smush-media.min.js',
			array(
				'jquery',
				'media-editor', // Used in image filters.
				'media-views',
				'media-grid',
				'wp-util',
				'wp-api',
			),
			WP_SMUSH_VERSION,
			true
		);

wp_localize_script(
			'smush-backbone-extension',
			'smush_vars',
			array(
				'strings' => array(
					'stats_label' => esc_html__( 'Smush', 'wp-smushit' ),
					'filter_all'  => esc_html__( 'Smush: All images', 'wp-smushit' ),
					'filter_excl' => esc_html__( 'Smush: Bulk ignored', 'wp-smushit' ),
					'gb'          => array(
						'stats'        => esc_html__( 'Smush Stats', 'wp-smushit' ),
						'select_image' => esc_html__( 'Select an image to view Smush stats.', 'wp-smushit' ),
						'size'         => esc_html__( 'Image size', 'wp-smushit' ),
						'savings'      => esc_html__( 'Savings', 'wp-smushit' ),
					),
				),
				'nonce'   => array(
					'get_smush_status' => wp_create_nonce( 'get-smush-status' ),
				),
			)
		);
	}

/**
	 * Adds a Smush pro settings link on plugin page.
	 *
	 * @param array $links        Current links.
	 * @param bool  $url_only     Get only URL.
	 * @param bool  $networkwide  Do we need the network wide setting url.
	 *
	 * @return array|string
	 */
	public function settings_link( $links, $url_only = false, $networkwide = false ) {
		$settings_page = is_multisite() && is_network_admin() ? network_admin_url( 'admin.php?page=smush' ) : menu_page_url( 'smush', false );
		// If networkwide setting url is needed.
		$settings_page = $url_only && $networkwide && is_multisite() ? network_admin_url( 'admin.php?page=smush' ) : $settings_page;
		$settings      = '<a href="' . $settings_page . '">' . __( 'Settings', 'wp-smushit' ) . '</a>';

// Return only settings page link.
		if ( $url_only ) {
			return $settings_page;
		}

// Added a fix for weird warning in multisite, "array_unshift() expects parameter 1 to be array, null given".
		if ( ! empty( $links ) ) {
			array_unshift( $links, $settings );
		} else {
			$links = array( $settings );
		}

// Upgrade link.
		if ( ! WP_Smush::is_pro() ) {
			$upgrade_url = add_query_arg(
				array(
					'utm_source'   => 'smush',
					'utm_medium'   => 'plugin',
					'utm_campaign' => 'smush_pluginlist_upgrade',
				),
				esc_url( 'https://premium.wpmudev.org/project/wp-smush-pro/' )
			);

$links['upgrade'] = '<a href="' . esc_url( $upgrade_url ) . '" aria-label="' . esc_attr( __( 'Upgrade to Smush Pro', 'wp-smushit' ) ) . '" target="_blank" style="color: #1ABC9C;">' . esc_html__( 'Upgrade', 'wp-smushit' ) . '</a>';
		}

return $links;
	}

/**
	 * Includes for plugin pages.
	 */
	private function includes() {
		/* @noinspection PhpIncludeInspection */
		include_once WP_SMUSH_DIR . 'app/abstract-wp-smush-view.php';
		/* @noinspection PhpIncludeInspection */
		include_once WP_SMUSH_DIR . 'app/class-wp-smush-dashboard.php';
	}

/**
	 * Add menu pages.
	 */
	public function add_menu_pages() {
		$title = WP_Smush::is_pro() ? esc_html__( 'Smush Pro', 'wp-smushit' ) : esc_html__( 'Smush', 'wp-smushit' );

$this->pages['smush'] = new WP_Smush_Dashboard( $title, 'smush' );

// Add a bulk smush option for NextGen gallery.
		if ( defined( 'NGGFOLDER' ) && WP_Smush::get_instance()->core()->nextgen->is_enabled() && WP_Smush::is_pro() && ! is_network_admin() ) {
			$this->pages['nextgen'] = new WP_Smush_Nextgen_Page( $title, 'wp-smush-nextgen-bulk', true );
		}
	}

/**
	 * Add Smush Policy to "Privacy Policy" page during creation.
	 *
	 * @since 2.3.0
	 */
	public function add_policy() {
		if ( ! function_exists( 'wp_add_privacy_policy_content' ) ) {
			return;
		}

$content  = '<h3>' . __( 'Plugin: Smush', 'wp-smushit' ) . '</h3>';
		$content .=
			'<p>' . __( 'Note: Smush does not interact with end users on your website. The only input option Smush has is to a newsletter subscription for site admins only. If you would like to notify your users of this in your privacy policy, you can use the information below.', 'wp-smushit' ) . '</p>';
		$content .=
			'<p>' . __( 'Smush sends images to the WPMU DEV servers to optimize them for web use. This includes the transfer of EXIF data. The EXIF data will either be stripped or returned as it is. It is not stored on the WPMU DEV servers.', 'wp-smushit' ) . '</p>';
		$content .=
			'<p>' . sprintf(
				__( "Smush uses the Stackpath Content Delivery Network (CDN). Stackpath may store web log information of site visitors, including IPs, UA, referrer, Location and ISP info of site visitors for 7 days. Files and images served by the CDN may be stored and served from countries other than your own. Stackpath's privacy policy can be found %1\$shere%2\$s.", 'wp-smushit' ),
				'<a href="https://www.stackpath.com/legal/privacy-statement/" target="_blank">',
				'</a>'
			) . '</p>';

if ( strpos( WP_SMUSH_DIR, 'wp-smushit' ) !== false ) {
			// Only for wordpress.org members.
			$content .=
				'<p>' . __( 'Smush uses a third-party email service (Drip) to send informational emails to the site administrator. The administrator\'s email address is sent to Drip and a cookie is set by the service. Only administrator information is collected by Drip.', 'wp-smushit' ) . '</p>';
		}

wp_add_privacy_policy_content(
			__( 'WP Smush', 'wp-smushit' ),
			wp_kses_post( wpautop( $content, false ) )
		);
	}

/**
	 * Prints the Membership Validation issue notice
	 */
	public function media_library_membership_notice() {
		// No need to print it for free version.
		if ( ! WP_Smush::is_pro() ) {
			return;
		}

// Show it on Media Library page only.
		$screen    = get_current_screen();
		$screen_id = ! empty( $screen ) ? $screen->id : '';
		// Do not show notice anywhere else.
		if ( empty( $screen ) || 'upload' !== $screen_id ) {
			return;
		}

$this->get_user_validation_message( false );
	}

/**
	 * Get membership validation message.
	 *
	 * @param bool $notice Is a notice.
	 */
	public function get_user_validation_message( $notice = true ) {
		$notice_class = $notice ? ' sui-notice sui-notice-warning' : ' notice notice-warning is-dismissible';
		$wpmu_contact = sprintf( '<a href="%s" target="_blank">', esc_url( 'https://premium.wpmudev.org/contact' ) );
		$recheck_link = '<a href="#" id="wp-smush-revalidate-member" data-message="%s">';
		?>

<div id="wp-smush-invalid-member" data-message="<?php esc_attr_e( 'Validating..', 'wp-smushit' ); ?>" class="sui-hidden hidden <?php echo esc_attr( $notice_class ); ?>">
			<p>
				<?php
				printf(
					/* translators: $1$s: recheck link, $2$s: closing a tag, %3$s; contact link, %4$s: closing a tag */
					esc_html__(
						'It looks like Smush couldn’t verify your WPMU DEV membership so Pro features
					have been disabled for now. If you think this is an error, run a %1$sre-check%2$s or get in touch
					with our %3$ssupport team%4$s.',
						'wp-smushit'
					),
					$recheck_link,
					'</a>',
					$wpmu_contact,
					'</a>'
				);
				?>
			</p>
		</div>
		<?php
	}

/**
	 * Print column header for Smush results in the media library using the `manage_media_columns` hook.
	 *
	 * @param array $defaults  Defaults array.
	 *
	 * @return mixed
	 */
	public function columns( $defaults ) {
		$defaults['smushit'] = 'Smush';

return $defaults;
	}

/**
	 * Add the Smushit Column to sortable list
	 *
	 * @param array $columns  Columns array.
	 *
	 * @return mixed
	 */
	public function sortable_column( $columns ) {
		$columns['smushit'] = 'smushit';

return $columns;
	}

/**
	 * Print column data for Smush results in the media library using
	 * the `manage_media_custom_column` hook.
	 *
	 * @param string $column_name  Column name.
	 * @param int    $id           Attachment ID.
	 */
	public function custom_column( $column_name, $id ) {
		if ( 'smushit' === $column_name ) {
			WP_Smush::get_instance()->core()->mod->smush->set_status( $id );
		}
	}

/**
	 * Order by query for smush columns.
	 *
	 * @param WP_Query $query  Query.
	 *
	 * @return WP_Query
	 */
	public function smushit_orderby( $query ) {
		global $current_screen;

// Filter only media screen.
		if ( ! is_admin() || ( ! empty( $current_screen ) && 'upload' !== $current_screen->base ) ) {
			return $query;
		}

if ( isset( $_REQUEST['smush-filter'] ) && 'ignored' === $_REQUEST['smush-filter'] ) {
			$query->set(
				'meta_query',
				array(
					array(
						'key'     => WP_SMUSH_PREFIX . 'ignore-bulk',
						'value'   => 'true',
						'compare' => 'EXISTS',
					),
				)
			);

return $query;
		}

$orderby = $query->get( 'orderby' );

if ( isset( $orderby ) && 'smushit' === $orderby ) {
			$query->set(
				'meta_query',
				array(
					'relation' => 'OR',
					array(
						'key'     => WP_Smushit::$smushed_meta_key,
						'compare' => 'EXISTS',
					),
					array(
						'key'     => WP_Smushit::$smushed_meta_key,
						'compare' => 'NOT EXISTS',
					),
				)
			);
			$query->set( 'orderby', 'meta_value_num' );
		}

return $query;
	}

/**
	 * Add our filter to the media query filter in Media Library.
	 *
	 * @since 2.9.0
	 *
	 * @see wp_ajax_query_attachments()
	 *
	 * @param array $query  Query.
	 *
	 * @return mixed
	 */
	public function filter_media_query( $query ) {
		if ( isset( $_POST['query']['stats'] ) && 'null' === $_POST['query']['stats'] ) {
			$query['meta_query'] = array(
				array(
					'key'     => 'wp-smush-ignore-bulk',
					'value'   => 'true',
					'compare' => 'EXISTS',
				),
			);
		}

return $query;
	}

/**
	 * Adds a search dropdown in Media Library list view to filter out images that have been
	 * ignored with bulk Smush.
	 *
	 * @since 3.2.0
	 */
	public function media_add_author_dropdown() {
		$scr = get_current_screen();

if ( 'upload' !== $scr->base ) {
			return;
		}

$ignored = filter_input( INPUT_GET, 'smush-filter', FILTER_SANITIZE_STRING );

?>
		<select class="smush-filters" name="smush-filter" id="smush_filter">
			<option value="" <?php selected( $ignored, '' ); ?>><?php esc_html_e( 'Smush: All images', 'wp-smushit' ); ?></option>
			<option value="ignored" <?php selected( $ignored, 'ignored' ); ?>><?php esc_html_e( 'Smush: Bulk ignored', 'wp-smushit' ); ?></option>
		</select>
		<?php
	}

/**
	 * Shows a option to ignore the Image ids which can be resmushed while bulk smushing.
	 *
	 * @param bool|int $count  Resmush + unsmushed image count.
	 * @param bool     $show   Should show or not.
	 *
	 * @return mixed $notice
	 */
	public function bulk_resmush_content( $count = false, $show = false ) {
		// If we already have count, don't fetch it.
		if ( false === $count ) {
			// If we have the resmush ids list, Show Resmush notice and button.
			if ( $resmush_ids = get_option( 'wp-smush-resmush-list' ) ) {
				// Count.
				$count = count( $resmush_ids );

// Whether to show the remaining re-smush notice.
				$show = $count > 0 ? true : false;

// Get the actual remainaing count.
				if ( ! isset( WP_Smush::get_instance()->core()->remaining_count ) ) {
					WP_Smush::get_instance()->core()->setup_global_stats();
				}

$count = WP_Smush::get_instance()->core()->remaining_count;
			}
		}

$notice = '';

// Show only if we have any images to ber resmushed.
		if ( $count > 0 ) {
			$notice  = '<div class="sui-notice sui-notice-warning wp-smush-resmush-notice wp-smush-remaining" tabindex="0">';
			$notice .= '<p>';
			$notice .= '<span class="wp-smush-notice-text">';
			$notice .= sprintf(
				/* translators: %1$s: user name, %2$s: strong tag, %3$s: span tag, %4$d: number of remaining umages, %5$s: closing span tag, %6$s: closing strong tag  */
				_n( '%1$s, you have %2$s%3$s%4$d%5$s attachment%6$s that needs re-compressing!', '%1$s, you have %2$s%3$s%4$d%5$s attachments%6$s that need re-compressing!', $count, 'wp-smushit' ),
				esc_html( WP_Smush_Helper::get_user_name() ),
				'<strong>',
				'<span class="wp-smush-remaining-count">',
				absint( $count ),
				'</span>',
				'</strong>'
			);
			$notice .= '</span>';
			$notice .= '</p>';
			$notice .= '</div>';
		}

// Echo only if $show is true, otherwise return content.
		if ( $show ) {
			echo $notice;
		} else {
			return $notice;
		}
	}
}

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