class-gv-core.php

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<?php
namespace GV;

/** If this file is called directly, abort. */
if ( ! defined( 'GRAVITYVIEW_DIR' ) ) {
 die();
}

/**
 * The core GravityView API.
 *
 * Returned by the wrapper gravityview() global function, exposes
 * all the required public functionality and classes, sets up global
 * state depending on current request context, etc.
 */
final class Core {
 /**
 * @var \GV\Core The \GV\Core static instance.
 */
 private static $__instance = null;

 /**
 * @var \GV\Plugin The WordPress plugin context.
 *
 * @api
 * @since 2.0
 */
 public $plugin;

 /**
 * @var \GV\Admin_Request|\GV\Frontend_Request|\GV\Request The global request.
 *
 * @api
 * @since 2.0
 */
 public $request;

 /**
 * @var \GV\Logger
 *
 * @api
 * @since 2.0
 */
 public $log;

 /**
 * Get the global instance of \GV\Core.
 *
 * @return \GV\Core The global instance of GravityView Core.
 */
 public static function get() {
 if ( ! self::$__instance instanceof self ) {
 self::$__instance = new self;
 }
 return self::$__instance;
 }

 /**
 * Very early initialization.
 *
 * Activation handlers, rewrites, post type registration.
 */
 public static function bootstrap() {
 require_once dirname( __FILE__ ) . '/class-gv-plugin.php';
 Plugin::get()->register_activation_hooks();
 }

 /**
 * Bootstrap.
 *
 * @return void
 */
 private function __construct() {
 self::$__instance = $this;
 $this->init();
 }

 /**
 * Early initialization.
 *
 * Loads dependencies, sets up the object, adds hooks, etc.
 *
 * @return void
 */
 private function init() {
 $this->plugin = Plugin::get();

 /** Enable logging. */
 require_once $this->plugin->dir( 'future/includes/class-gv-logger.php' );
 /**
 * @filter `gravityview/logger` Filter the logger instance being used for logging.
 * @param \GV\Logger $logger The logger instance.
 */
 $this->log = apply_filters( 'gravityview/logger', new WP_Action_Logger() );

 /**
 * Utilities.
 */
 require_once $this->plugin->dir( 'future/includes/class-gv-utils.php' );

 /** The Settings. */
 require_once $this->plugin->dir( 'future/includes/class-gv-settings.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-settings-view.php' );

 /** Request. */
 require_once $this->plugin->dir( 'future/includes/class-gv-request.php' );

 if ( Request::is_admin() ) {
 $this->request = new Admin_Request();
 } else {
 $this->request = new Frontend_Request();
 }

 /** Require critical legacy core files. @todo Deprecate */
 require_once $this->plugin->dir( 'includes/import-functions.php' );
 require_once $this->plugin->dir( 'includes/helper-functions.php' );
 require_once $this->plugin->dir( 'includes/class-common.php');
 require_once $this->plugin->dir( 'includes/connector-functions.php');
 require_once $this->plugin->dir( 'includes/class-gravityview-compatibility.php' );
 require_once $this->plugin->dir( 'includes/class-gravityview-roles-capabilities.php' );
 require_once $this->plugin->dir( 'includes/class-gravityview-admin-notices.php' );
 require_once $this->plugin->dir( 'includes/class-admin.php' );
 require_once $this->plugin->dir( 'includes/class-post-types.php');
 require_once $this->plugin->dir( 'includes/class-cache.php');

 /**
 * GravityView extensions and widgets.
 */
 require_once $this->plugin->dir( 'future/includes/class-gv-extension.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-widget.php' );

 /** More legacy core. @todo Deprecate */
 $this->plugin->include_legacy_core();

 /**
 * Stop all further functionality from loading if the WordPress
 * plugin is incompatible with the current environment.
 *
 * Saves some time and memory.
 */
 if ( ! $this->plugin->is_compatible() ) {
 $this->log->error( 'GravityView 2.0 is not compatible with this environment. Stopped loading.' );
 return;
 }

 /** Register the gravityview post type upon WordPress core init. */
 require_once $this->plugin->dir( 'future/includes/class-gv-view.php' );
 add_action( 'init', array( '\GV\View', 'register_post_type' ) );
 add_action( 'init', array( '\GV\View', 'add_rewrite_endpoint' ) );
 add_filter( 'map_meta_cap', array( '\GV\View', 'restrict' ), 11, 4 );
 add_action( 'template_redirect', array( '\GV\View', 'template_redirect' ) );
 add_action( 'the_content', array( '\GV\View', 'content' ) );

 /** Add rewrite endpoint for single-entry URLs. */
 require_once $this->plugin->dir( 'future/includes/class-gv-entry.php' );
 add_action( 'init', array( '\GV\Entry', 'add_rewrite_endpoint' ) );

 /** REST API */
 require_once $this->plugin->dir( 'future/includes/rest/class-gv-rest-core.php' );
 add_action( 'rest_api_init', array( '\GV\REST\Core', 'init' ) );

 /** Generate custom slugs on entry save. @todo Deprecate. */
 add_action( 'gform_entry_created', array( '\GravityView_API', 'entry_create_custom_slug' ), 10, 2 );

 /** Shortcodes */
 require_once $this->plugin->dir( 'future/includes/class-gv-shortcode.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-shortcode-gravityview.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-shortcode-gventry.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-shortcode-gvfield.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-shortcode-gvlogic.php' );
 add_action( 'init', array( '\GV\Shortcodes\gravityview', 'add' ) );
 add_action( 'init', array( '\GV\Shortcodes\gventry', 'add' ) );
 add_action( 'init', array( '\GV\Shortcodes\gvfield', 'add' ) );
 add_action( 'init', array( '\GV\Shortcodes\gvlogic', 'add' ) );

 /** oEmbed */
 require_once $this->plugin->dir( 'future/includes/class-gv-oembed.php' );
 add_action( 'init', array( '\GV\oEmbed', 'init' ), 11 );

 /** Our Source generic and beloved source and form backend implementations. */
 require_once $this->plugin->dir( 'future/includes/class-gv-source.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-source-internal.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-form.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-form-gravityforms.php' );

 /** Joins */
 require_once $this->plugin->dir( 'future/includes/class-gv-form-join.php' );

 /** Our Entry generic and beloved entry backend implementations. */
 require_once $this->plugin->dir( 'future/includes/class-gv-entry-gravityforms.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-entry-multi.php' );

 /** Context is everything. */
 require_once $this->plugin->dir( 'future/includes/class-gv-context.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-context-template.php' );

 /** Our Field generic and implementations. */
 require_once $this->plugin->dir( 'future/includes/class-gv-field.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-field-gravityforms.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-field-internal.php' );

 /** Get the collections ready. */
 require_once $this->plugin->dir( 'future/includes/class-gv-collection.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-collection-form.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-collection-field.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-collection-entry.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-collection-widget.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-collection-view.php' );

 /** The sorting, filtering and paging classes. */
 require_once $this->plugin->dir( 'future/includes/class-gv-collection-entry-filter.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-collection-entry-sort.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-collection-entry-offset.php' );

 /** The Renderers. */
 require_once $this->plugin->dir( 'future/includes/class-gv-renderer.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-renderer-view.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-renderer-entry.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-renderer-entry-edit.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-renderer-field.php' );

 /** Templating. */
 require_once $this->plugin->dir( 'future/includes/class-gv-template.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-template-view.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-template-entry.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-template-field.php' );
 require_once $this->plugin->dir( 'future/includes/class-gv-template-legacy-override.php' );

 /** Magic. */
 require_once $this->plugin->dir( 'future/includes/class-gv-wrappers.php' );

 /** Gutenberg Blocks. */
 require_once $this->plugin->dir( 'future/includes/gutenberg/class-gv-gutenberg-blocks.php' );

 require_once $this->plugin->dir( 'includes/class-gravityview-powered-by.php' );

 /** Cache busting. */
 add_action( 'clean_post_cache', '\GV\View::_flush_cache' );

 /**
 * @action `gravityview/loaded` The core has been loaded.
 *
 * Note: this is a very early load hook, not all of WordPress core has been loaded here.
 * `init` hasn't been called yet.
 */
 do_action( 'gravityview/loaded' );
 }

 public function __clone() { }

 public function __wakeup() { }

 /**
 * Wrapper magic.
 *
 * Making developers happy, since 2017.
 */
 public function __get( $key ) {
 static $views;

 switch ( $key ) {
 case 'views':
 if ( is_null( $views ) ) {
 $views = new \GV\Wrappers\views();
 }
 return $views;
 }
 }

 public function __set( $key, $value ) {
 }
}