seb86/Auto-Load-Next-Post

<?php
/**
 * Auto Load Next Post - Admin.
 *
 * @since    1.0.0
 * @version  1.6.0
 * @author   Sébastien Dumont
 * @category Admin
 * @package  Auto Load Next Post/Admin
 * @license  GPL-2.0+
 */

// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
    exit;
}

if ( ! class_exists( 'ALNP_Admin' ) ) {

    class ALNP_Admin {

        /**
         * Constructor
         *
         * @access  public
         * @since   1.0.0
         * @version 1.6.0
         */
        public function __construct() {
            // Include classes.
            self::includes();

            // Add settings page.
            add_action( 'admin_menu', array( $this, 'admin_menu' ), 9 );
        } // END __construct()

        /**
         * Include any classes we need within admin.
         *
         * @access  public
         * @since   1.0.0
         * @version 1.6.0
         * @global  string $wp_version - The version of WordPress
         */
        public function includes() {
            global $wp_version;

            include( dirname( __FILE__ ) . '/class-alnp-admin-action-links.php' );        // Action Links
            include( dirname( __FILE__ ) . '/class-alnp-admin-assets.php' );              // Admin Assets
            include( dirname( __FILE__ ) . '/class-alnp-admin-notices.php' );             // Plugin Notices

            if ( apply_filters( 'alnp_enable_admin_help_tab', true ) ) {
                include( dirname( __FILE__ ) . '/class-alnp-admin-help.php' );            // Plugin Help Tab
            }

            include_once( dirname( __FILE__ ) . '/class-alnp-getting-started.php');       // Getting Started.
            include_once( dirname( __FILE__ ) . '/class-alnp-setup-wizard.php');          // Setup Wizard.
            include_once( dirname( __FILE__ ) . '/class-alnp-extensions.php');            // Extensions.

            if ( ! is_alnp_pro_version_installed() ) {
                include_once( dirname( __FILE__ ) . '/class-alnp-admin-pro-preview.php'); // Pro Preview.
            }

            include( dirname( __FILE__ ) . '/class-alnp-sidebar.php' );                   // Sidebar
            include( dirname( __FILE__ ) . '/class-alnp-admin-footer.php' );              // Admin Footer
            include( dirname( __FILE__ ) . '/class-alnp-privacy.php' );                   // Plugin Privacy

            if ( version_compare( $wp_version, '5.2', '>=' ) ) {
                include( dirname( __FILE__ ) . '/class-alnp-admin-site-health.php' );     // Site Health
            }
        } // END includes()

        /**
         * Add Auto Load Next Post to the settings menu.
         *
         * @access  public
         * @since   1.0.0
         * @version 1.6.0
         */
        public function admin_menu() {
            $current_view = ! empty( $_GET['view'] ) ? sanitize_title( wp_unslash( $_GET['view'] ) ) : '';
            $title = '';

            switch( $current_view ) {
                case 'getting-started':
                    $title = sprintf( esc_attr__( 'Getting Started with %s', 'auto-load-next-post' ), esc_html__( 'Auto Load Next Post', 'auto-load-next-post' ) );
                    break;
                case 'setup-wizard':
                    $title = sprintf( esc_attr__( 'Setup Wizard for %s', 'auto-load-next-post' ), esc_html__( 'Auto Load Next Post', 'auto-load-next-post' ) );
                    break;
                case 'extensions':
                    $title = sprintf( esc_attr__( '%s | Extensions', 'auto-load-next-post' ), esc_html__( 'Auto Load Next Post', 'auto-load-next-post' ) );
                    break;
                default:
                    $title = sprintf( esc_attr__( '%s Settings', 'auto-load-next-post' ), esc_html__( 'Auto Load Next Post', 'auto-load-next-post' ) );
                    break;
            }

            $settings_page = add_options_page(
                $title,
                esc_html__( 'Auto Load Next Post', 'auto-load-next-post' ),
                'manage_options',
                'auto-load-next-post',
                array( $this, 'settings_page' )
            );

            add_action( 'load-' . $settings_page, array( $this, 'settings_page_init' ) );
        } // END admin_menu()

        /**
         * Loads settings.
         *
         * @access  public
         * @since   1.0.0
         * @version 1.6.0
         * @global  string $current_view
         * @global  string $current_section
         */
        public function settings_page_init() {
            global $current_view, $current_section;

            // Include settings pages.
            include_once( dirname( __FILE__ ) . '/class-alnp-admin-settings.php' );

            ALNP_Admin_Settings::get_settings_pages();

            // Get current view/section.
            $current_view    = empty( $_GET['view'] ) ? 'theme-selectors' : sanitize_title( wp_unslash( $_GET['view'] ) );
            $current_section = empty( $_REQUEST['section'] ) ? '' : sanitize_title( wp_unslash( $_REQUEST['section'] ) );

            // Save settings if data has been posted.
            if ( apply_filters( '' !== $current_section ? "alnp_save_settings_{$current_view}_{$current_section}" : "alnp_save_settings_{$current_view}", ! empty( $_POST ) ) ) {
                ALNP_Admin_Settings::save();
            }

            // Add any posted messages.
            if ( ! empty( $_GET['auto_load_next_post_error'] ) ) {
                ALNP_Admin_Settings::add_error( wp_kses_post( wp_unslash( $_GET['auto_load_next_post_error'] ) ) );
            }

            if ( ! empty( $_GET['auto_load_next_post_message'] ) ) {
                ALNP_Admin_Settings::add_message( wp_kses_post( wp_unslash( $_GET['auto_load_next_post_message'] ) ) );
            }

            do_action( 'auto_load_next_post_settings_page_init' );
        } // END settings_page_init()

        /**
         * Initialize the Auto Load Next Post settings page.
         *
         * @access public
         * @since  1.0.0
         */
        public function settings_page() {
            include_once( dirname( __FILE__ ) . '/class-alnp-admin-settings.php' );

            ALNP_Admin_Settings::output();
        } // END settings_page()

    } // END class

} // END if class exists

return new ALNP_Admin();