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wp-content/plugins/jetpack-boost/app/admin/class-admin.php

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+<?php
+/**
+ * The admin-specific functionality of the plugin.
+ *
+ * @since      1.0.0
+ * @package    automattic/jetpack-boost
+ */
+
+namespace Automattic\Jetpack_Boost\Admin;
+
+use Automattic\Jetpack\Admin_UI\Admin_Menu;
+use Automattic\Jetpack\Assets;
+use Automattic\Jetpack\Boost_Speed_Score\Speed_Score;
+use Automattic\Jetpack\My_Jetpack\Initializer as My_Jetpack_Initializer;
+use Automattic\Jetpack_Boost\Lib\Analytics;
+use Automattic\Jetpack_Boost\Lib\Environment_Change_Detector;
+use Automattic\Jetpack_Boost\Lib\Premium_Features;
+use Automattic\Jetpack_Boost\Modules\Modules_Setup;
+
+class Admin {
+	/**
+	 * Menu slug.
+	 */
+	const MENU_SLUG = 'jetpack-boost';
+
+	public function init( Modules_Setup $modules ) {
+		Environment_Change_Detector::init();
+
+		// Initiate speed scores.
+		new Speed_Score( $modules->get_ready_active_optimization_modules(), 'boost-plugin' );
+
+		add_action( 'init', array( new Analytics(), 'init' ) );
+		add_filter( 'plugin_action_links_' . JETPACK_BOOST_PLUGIN_BASE, array( $this, 'plugin_page_settings_link' ) );
+		add_action( 'admin_menu', array( $this, 'handle_admin_menu' ), 1 ); // Akismet uses 4, so we use 1 to ensure both menus are added when only they exist.
+	}
+
+	public function handle_admin_menu() {
+		/**
+		 * Filters the number of problems shown in the Boost sidebar menu
+		 *
+		 * @param int $count the number of problems shown.
+		 *
+		 * @since   1.0.0
+		 */
+		$total_problems = apply_filters( 'jetpack_boost_total_problem_count', 0 );
+		$menu_label     = 'Boost'; // "Boost" is a product name, do not translate.
+		if ( $total_problems ) {
+			$menu_label .= sprintf( ' <span class="menu-counter count-%d"><span class="count">%d</span></span>', $total_problems, $total_problems );
+		}
+
+		$page_suffix = Admin_Menu::add_menu(
+			__( 'Jetpack Boost - Settings', 'jetpack-boost' ),
+			$menu_label,
+			'manage_options',
+			JETPACK_BOOST_SLUG,
+			array( $this, 'render_settings' ),
+			2
+		);
+		add_action( 'load-' . $page_suffix, array( $this, 'admin_init' ) );
+	}
+
+	/**
+	 * Enqueue scripts and styles for the admin page.
+	 */
+	public function admin_init() {
+		// Clear premium features cache when the plugin settings page is loaded.
+		Premium_Features::clear_cache();
+
+		add_action( 'admin_enqueue_scripts', array( My_Jetpack_Initializer::class, 'enqueue_scripts' ) );
+		add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
+	}
+
+	/**
+	 * Register the JavaScript for the admin area.
+	 *
+	 * @since    1.0.0
+	 */
+	public function enqueue_scripts() {
+		/**
+		 * Filters the internal path to the distributed assets used by the plugin
+		 *
+		 * @param string $path the path to the assets
+		 */
+		$internal_path = apply_filters( 'jetpack_boost_asset_internal_path', 'app/assets/dist/' );
+
+		$admin_js_handle = 'jetpack-boost-admin';
+
+		$admin_js_dependencies = array(
+			'wp-i18n',
+			'wp-components',
+			'my_jetpack_main_app',
+		);
+
+		Assets::register_script(
+			$admin_js_handle,
+			$internal_path . 'jetpack-boost.js',
+			JETPACK_BOOST_PATH,
+			array(
+				'dependencies' => $admin_js_dependencies,
+				'in_footer'    => true,
+				'textdomain'   => 'jetpack-boost',
+				'css_path'     => $internal_path . 'jetpack-boost.css',
+			)
+		);
+
+		wp_localize_script(
+			$admin_js_handle,
+			'Jetpack_Boost',
+			( new Config() )->constants()
+		);
+
+		Assets::enqueue_script( $admin_js_handle );
+	}
+
+	/**
+	 * Get settings link.
+	 *
+	 * @param array $links the array of links.
+	 */
+	public function plugin_page_settings_link( $links ) {
+		$settings_link = '<a href="' . admin_url( 'admin.php?page=jetpack-boost' ) . '">' . esc_html__( 'Settings', 'jetpack-boost' ) . '</a>';
+		array_unshift( $links, $settings_link );
+
+		return $links;
+	}
+
+	/**
+	 * Generate the settings page.
+	 */
+	public function render_settings() {
+		wp_localize_script(
+			'jetpack-boost-admin',
+			'wpApiSettings',
+			array(
+				'root'  => esc_url_raw( rest_url() ),
+				'nonce' => wp_create_nonce( 'wp_rest' ),
+			)
+		);
+		?>
+		<div id="jb-admin-settings"></div>
+		<?php
+	}
+}