smart-custom-fields.php

<?php
/**
 * Plugin name: Smart Custom Fields
 * Plugin URI: https://github.com/inc2734/smart-custom-fields/
 * Description: Smart Custom Fields is a simple plugin that management custom fields.
 * Version: 5.0.0
 * Author: inc2734
 * Author URI: https://2inc.org
 * Text Domain: smart-custom-fields
 * License: GPLv2 or later
 * License URI: http://www.gnu.org/licenses/gpl-2.0.html
 *
 * @package smart-custom-fields
 * @author inc2734
 * @license GPL-2.0+
 */

/**
 * Directory url of this plugin.
 *
 * @var string
 */
define( 'SMART_CUSTOM_FIELDS_URL', untrailingslashit( plugin_dir_url( __FILE__ ) ) );

/**
 * Directory path of this plugin.
 *
 * @var string
 */
define( 'SMART_CUSTOM_FIELDS_PATH', untrailingslashit( plugin_dir_path( __FILE__ ) ) );

/**
 * Main class.
 */
class Smart_Custom_Fields {

	/**
	 * __construct
	 */
	public function __construct() {
		require_once plugin_dir_path( __FILE__ ) . 'classes/class.config.php';
		require_once plugin_dir_path( __FILE__ ) . 'classes/class.rest-api.php';
		add_action( 'plugins_loaded', array( $this, 'plugins_loaded' ) );
		register_uninstall_hook( __FILE__, array( __CLASS__, 'uninstall' ) );

		new Smart_Custom_Fields_Rest_API();
	}

	/**
	 * Loading translation files
	 */
	public function plugins_loaded() {
		do_action( SCF_Config::PREFIX . 'load' );
		require_once plugin_dir_path( __FILE__ ) . 'classes/models/class.meta.php';
		require_once plugin_dir_path( __FILE__ ) . 'classes/models/class.setting.php';
		require_once plugin_dir_path( __FILE__ ) . 'classes/models/class.group.php';
		require_once plugin_dir_path( __FILE__ ) . 'classes/models/class.abstract-field-base.php';
		require_once plugin_dir_path( __FILE__ ) . 'classes/models/class.revisions.php';
		require_once plugin_dir_path( __FILE__ ) . 'classes/models/class.ajax.php';
		require_once plugin_dir_path( __FILE__ ) . 'classes/models/class.options-page.php';
		require_once plugin_dir_path( __FILE__ ) . 'classes/models/class.cache.php';
		require_once plugin_dir_path( __FILE__ ) . 'classes/class.scf.php';
		new Smart_Custom_Fields_Revisions();

		if ( function_exists( 'wpseo_init' ) ) {
			require_once plugin_dir_path( __FILE__ ) . 'classes/models/class.yoast-seo-analysis.php';
			new Smart_Custom_Fields_Yoast_SEO_Analysis();
		}

		foreach ( glob( plugin_dir_path( __FILE__ ) . 'classes/fields/*.php' ) as $form_item ) {
			include_once $form_item;
			$basename  = basename( $form_item, '.php' );
			$classname = preg_replace( '/^class\.field\-(.+)$/', 'Smart_Custom_Fields_Field_$1', $basename );
			$classname = str_replace( '-', '_', $classname );
			if ( class_exists( $classname ) ) {
				new $classname();
			}
		}

		add_action( 'after_setup_theme', array( $this, 'after_setup_theme' ) );
		add_action( 'init', array( $this, 'register_post_type' ) );
		add_action( 'init', array( $this, 'ajax_request' ) );
		add_action( 'admin_menu', array( $this, 'admin_menu' ) );
		add_action( 'current_screen', array( $this, 'current_screen' ) );
	}

	/**
	 * The action hook provides in after_setup_themeto be able to add fields
	 * from themes not only plugins.
	 */
	public function after_setup_theme() {
		do_action( SCF_Config::PREFIX . 'fields-loaded' );
	}

	/**
	 * Uninstall proccesses
	 */
	public static function uninstall() {
		$cf_posts = get_posts(
			array(
				'post_type'      => SCF_Config::NAME,
				'posts_per_page' => -1,
				'post_status'    => 'any',
			)
		);
		foreach ( $cf_posts as $post ) {
			wp_delete_post( $post->ID, true );
		}
		delete_post_meta_by_key( SCF_Config::PREFIX . 'repeat-multiple-data' );

		// option の smart-cf-xxx を削除
		// phpcs:disable WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
		global $wpdb;
		$wpdb->query(
			$wpdb->prepare(
				"
				DELETE FROM $wpdb->options
					WHERE option_name LIKE %s
				",
				SCF_Config::PREFIX . '%'
			)
		);
		// phpcs:enable
	}

	/**
	 * Run management screens.
	 *
	 * @param WP_Screen $screen Current WP_Screen object.
	 */
	public function current_screen( $screen ) {
		// 一覧画面
		if ( 'edit-' . SCF_Config::NAME === $screen->id ) {
			return;
		}

		// 新規作成・編集画面
		if ( SCF_Config::NAME === $screen->id ) {
			require_once plugin_dir_path( __FILE__ ) . 'classes/controller/class.settings.php';
			new Smart_Custom_Fields_Controller_Settings();
			return;
		}

		// その他の新規作成・編集画面
		if ( in_array( $screen->id, get_post_types(), true ) ) {
			$post_id = $this->get_post_id_in_admin();
			if ( SCF::get_settings( SCF::generate_post_object( $post_id, $screen->id ) ) ) {
				require_once plugin_dir_path( __FILE__ ) . 'classes/controller/class.controller-base.php';
				require_once plugin_dir_path( __FILE__ ) . 'classes/controller/class.editor.php';
				new Smart_Custom_Fields_Revisions();
				new Smart_Custom_Fields_Controller_Editor();
			}
			return;
		}

		// プロフィール編集画面
		if ( in_array( $screen->id, array( 'profile', 'user-edit' ), true ) ) {
			$user_id = $this->get_user_id_in_admin();
			if ( SCF::get_settings( get_userdata( $user_id ) ) ) {
				require_once plugin_dir_path( __FILE__ ) . 'classes/controller/class.controller-base.php';
				require_once plugin_dir_path( __FILE__ ) . 'classes/controller/class.profile.php';
				new Smart_Custom_Fields_Controller_Profile();
			}
			return;
		}

		// タグ、カテゴリー、タクソノミー
		if ( $screen->taxonomy ) {
			$term_id = $this->get_term_id_in_admin();
			if ( $term_id ) {
				$term = get_term( $term_id, $screen->taxonomy );
				if ( SCF::get_settings( $term ) ) {
					require_once plugin_dir_path( __FILE__ ) . 'classes/controller/class.controller-base.php';
					require_once plugin_dir_path( __FILE__ ) . 'classes/controller/class.taxonomy.php';
					new Smart_Custom_Fields_Controller_Taxonomy();
				}
			}
			return;
		}

		// オプションページ
		$menu_slug     = preg_replace( '/^toplevel_page_(.+)$/', '$1', $screen->id );
		$options_pages = SCF::get_options_pages();
		if ( array_key_exists( $menu_slug, $options_pages ) ) {
			$option = SCF::generate_option_object( $menu_slug );
			if ( SCF::get_settings( $option ) ) {
				require_once plugin_dir_path( __FILE__ ) . 'classes/controller/class.controller-base.php';
				require_once plugin_dir_path( __FILE__ ) . 'classes/controller/class.option.php';
				new Smart_Custom_Fields_Controller_Option();
			}
		}
	}

	/**
	 * Registering custom post type.
	 * Run the menu display in a different method.
	 */
	public function register_post_type() {
		$labels = array(
			'name'               => __( 'Smart Custom Fields', 'smart-custom-fields' ),
			'menu_name'          => __( 'Smart Custom Fields', 'smart-custom-fields' ),
			'name_admin_bar'     => __( 'Smart Custom Fields', 'smart-custom-fields' ),
			'add_new'            => __( 'Add New', 'smart-custom-fields' ),
			'add_new_item'       => __( 'Add New', 'smart-custom-fields' ),
			'new_item'           => __( 'New Field', 'smart-custom-fields' ),
			'edit_item'          => __( 'Edit Field', 'smart-custom-fields' ),
			'view_item'          => __( 'View Field', 'smart-custom-fields' ),
			'all_items'          => __( 'All Fields', 'smart-custom-fields' ),
			'search_items'       => __( 'Search Fields', 'smart-custom-fields' ),
			'parent_item_colon'  => __( 'Parent Fields:', 'smart-custom-fields' ),
			'not_found'          => __( 'No Fields found.', 'smart-custom-fields' ),
			'not_found_in_trash' => __( 'No Fields found in Trash.', 'smart-custom-fields' ),
		);
		register_post_type(
			SCF_Config::NAME,
			array(
				'label'           => 'Smart Custom Fields',
				'labels'          => $labels,
				'public'          => false,
				'show_ui'         => true,
				'capability_type' => 'page',
				'supports'        => array( 'title', 'page-attributes' ),
				'show_in_menu'    => false,
			)
		);
	}

	/**
	 * Hooking the process that it want to fire when the ajax request.
	 */
	public function ajax_request() {
		new Smart_Custom_Fields_Ajax();
	}

	/**
	 * Adding menus in management screen.
	 */
	public function admin_menu() {
		add_menu_page(
			'Smart Custom Fields',
			'Smart Custom Fields',
			'manage_options',
			'edit.php?post_type=' . SCF_Config::NAME,
			false,
			false,
			'80.026'
		);
		add_submenu_page(
			'edit.php?post_type=' . SCF_Config::NAME,
			__( 'Add New', 'smart-custom-fields' ),
			__( 'Add New', 'smart-custom-fields' ),
			'manage_options',
			'post-new.php?post_type=' . SCF_Config::NAME
		);
	}

	/**
	 * Getting the post ID in post editing page.
	 *
	 * @return int
	 */
	protected function get_post_id_in_admin() {
		$post_id = false;
		$_post   = filter_input( INPUT_GET, 'post' );

		if ( ! empty( $_post ) ) {
			$post_id = $_post;
		}

		$_post_id = filter_input( INPUT_POST, 'post_ID' );
		if ( ! empty( $_post_id ) ) {
			$post_id = $_post_id;
		}

		return $post_id;
	}

	/**
	 * Getting the user ID in profile and user editing pages.
	 *
	 * @return int
	 */
	protected function get_user_id_in_admin() {
		$screen   = get_current_screen();
		$user_id  = false;
		$_user_id = filter_input( INPUT_GET, 'user_id' );

		if ( ! empty( $_user_id ) ) {
			$user_id = $_user_id;
		}

		$_user_id = filter_input( INPUT_POST, 'user_id' );
		if ( ! empty( $_user_id ) ) {
			$user_id = $_user_id;
		}

		if ( 'profile' === $screen->id ) {
			$current_user = wp_get_current_user();
			$user_id      = $current_user->ID;
		}

		return $user_id;
	}

	/**
	 * Getting the term ID in term editing page.
	 *
	 * @return int
	 */
	protected function get_term_id_in_admin() {
		$term_id = false;
		$tag_id  = filter_input( INPUT_GET, 'tag_ID' );
		if ( ! empty( $tag_id ) ) {
			$term_id = $tag_id;
		}

		$tag_id = filter_input( INPUT_POST, 'tag_ID' );
		if ( ! empty( $tag_id ) ) {
			$term_id = $tag_id;
		}

		return $term_id;
	}
}
new Smart_Custom_Fields();