<?php

/**

 * The bbPress Plugin

 *

 * bbPress is forum software with a twist from the creators of WordPress.

 *

 * $Id: bbpress.php 4471 2012-11-23 11:24:58Z johnjamesjacoby $

 *

 * @package bbPress

 * @subpackage Main

 */

/**

 * Plugin Name: bbPress

 * Plugin URI:  http://bbpress.org

 * Description: bbPress is forum software with a twist from the creators of WordPress.

 * Author:      The bbPress Community

 * Author URI:  http://bbpress.org

 * Version:     2.2.2

 * Text Domain: bbpress

 * Domain Path: /languages/

 */

// Exit if accessed directly

if ( !defined( 'ABSPATH' ) ) exit;

if ( !class_exists( 'bbPress' ) ) :

/**

 * Main bbPress Class

 *

 * Tap tap tap... Is this thing on?

 *

 * @since bbPress (r2464)

 */

final class bbPress {

	/** Magic *****************************************************************/

	/**

	 * bbPress uses many variables, most of which can be filtered to customize

	 * the way that it works. To prevent unauthorized access, these variables

	 * are stored in a private array that is magically updated using PHP 5.2+

	 * methods. This is to prevent third party plugins from tampering with

	 * essential information indirectly, which would cause issues later.

	 *

	 * @see bbPress::setup_globals()

	 * @var array

	 */

	private $data;

	/** Not Magic *************************************************************/

	/**

	 * @var mixed False when not logged in; WP_User object when logged in

	 */

	public $current_user = false;

	/**

	 * @var obj Add-ons append to this (Akismet, BuddyPress, etc...)

	 */

	public $extend;

	/**

	 * @var array Topic views

	 */

	public $views        = array();

	/**

	 * @var array Overloads get_option()

	 */

	public $options      = array();

	/**

	 * @var array Overloads get_user_meta()

	 */

	public $user_options = array();

	/** Singleton *************************************************************/

	/**

	 * @var bbPress The one true bbPress

	 */

	private static $instance;

	/**

	 * Main bbPress Instance

	 *

	 * bbPress is fun

	 * Please load it only one time

	 * For this, we thank you

	 *

	 * Insures that only one instance of bbPress exists in memory at any one

	 * time. Also prevents needing to define globals all over the place.

	 *

	 * @since bbPress (r3757)

	 * @staticvar array $instance

	 * @uses bbPress::setup_globals() Setup the globals needed

	 * @uses bbPress::includes() Include the required files

	 * @uses bbPress::setup_actions() Setup the hooks and actions

	 * @see bbpress()

	 * @return The one true bbPress

	 */

	public static function instance() {

		if ( ! isset( self::$instance ) ) {

			self::$instance = new bbPress;

			self::$instance->setup_globals();

			self::$instance->includes();

			self::$instance->setup_actions();

		}

		return self::$instance;

	}

	/** Magic Methods *********************************************************/

	/**

	 * A dummy constructor to prevent bbPress from being loaded more than once.

	 *

	 * @since bbPress (r2464)

	 * @see bbPress::instance()

	 * @see bbpress();

	 */

	private function __construct() { /* Do nothing here */ }

	/**

	 * A dummy magic method to prevent bbPress from being cloned

	 *

	 * @since bbPress (r2464)

	 */

	public function __clone() { _doing_it_wrong( __FUNCTION__, __( 'Cheatin’ huh?', 'bbpress' ), '2.1' ); }

	/**

	 * A dummy magic method to prevent bbPress from being unserialized

	 *

	 * @since bbPress (r2464)

	 */

	public function __wakeup() { _doing_it_wrong( __FUNCTION__, __( 'Cheatin’ huh?', 'bbpress' ), '2.1' ); }

	/**

	 * Magic method for checking the existence of a certain custom field

	 *

	 * @since bbPress (r3951)

	 */

	public function __isset( $key ) { return isset( $this->data[$key] ); }

	/**

	 * Magic method for getting bbPress varibles

	 *

	 * @since bbPress (r3951)

	 */

	public function __get( $key ) { return isset( $this->data[$key] ) ? $this->data[$key] : null; }

	/**

	 * Magic method for setting bbPress varibles

	 *

	 * @since bbPress (r3951)

	 */

	public function __set( $key, $value ) { $this->data[$key] = $value; }

	/**

	 * Magic method to prevent notices and errors from invalid method calls

	 *

	 * @since bbPress (r4252)

	 */

	public function __call( $name = '', $args = array() ) { unset( $name, $args ); return null; }

	/** Private Methods *******************************************************/

	/**

	 * Set some smart defaults to class variables. Allow some of them to be

	 * filtered to allow for early overriding.

	 *

	 * @since bbPress (r2626)

	 * @access private

	 * @uses plugin_dir_path() To generate bbPress plugin path

	 * @uses plugin_dir_url() To generate bbPress plugin url

	 * @uses apply_filters() Calls various filters

	 */

	private function setup_globals() {

		/** Versions **********************************************************/

		$this->version    = '2.2.2';

		$this->db_version = '220';

		/** Paths *************************************************************/

		// Setup some base path and URL information

		$this->file       = __FILE__;

		$this->basename   = apply_filters( 'bbp_plugin_basenname', plugin_basename( $this->file ) );

		$this->plugin_dir = apply_filters( 'bbp_plugin_dir_path',  plugin_dir_path( $this->file ) );

		$this->plugin_url = apply_filters( 'bbp_plugin_dir_url',   plugin_dir_url ( $this->file ) );

		// Includes

		$this->includes_dir = apply_filters( 'bbp_includes_dir', trailingslashit( $this->plugin_dir . 'includes'  ) );

		$this->includes_url = apply_filters( 'bbp_includes_url', trailingslashit( $this->plugin_url . 'includes'  ) );

		// Languages

		$this->lang_dir     = apply_filters( 'bbp_lang_dir',     trailingslashit( $this->plugin_dir . 'languages' ) );

		// Templates

		$this->themes_dir   = apply_filters( 'bbp_themes_dir',   trailingslashit( $this->plugin_dir . 'templates' ) );

		$this->themes_url   = apply_filters( 'bbp_themes_url',   trailingslashit( $this->plugin_url . 'templates' ) );

		/** Identifiers *******************************************************/

		// Post type identifiers

		$this->forum_post_type   = apply_filters( 'bbp_forum_post_type',  'forum'     );

		$this->topic_post_type   = apply_filters( 'bbp_topic_post_type',  'topic'     );

		$this->reply_post_type   = apply_filters( 'bbp_reply_post_type',  'reply'     );

		$this->topic_tag_tax_id  = apply_filters( 'bbp_topic_tag_tax_id', 'topic-tag' );

		// Status identifiers

		$this->spam_status_id    = apply_filters( 'bbp_spam_post_status',    'spam'    );

		$this->closed_status_id  = apply_filters( 'bbp_closed_post_status',  'closed'  );

		$this->orphan_status_id  = apply_filters( 'bbp_orphan_post_status',  'orphan'  );

		$this->public_status_id  = apply_filters( 'bbp_public_post_status',  'publish' );

		$this->pending_status_id = apply_filters( 'bbp_pending_post_status', 'pending' );

		$this->private_status_id = apply_filters( 'bbp_private_post_status', 'private' );

		$this->hidden_status_id  = apply_filters( 'bbp_hidden_post_status',  'hidden'  );

		$this->trash_status_id   = apply_filters( 'bbp_trash_post_status',   'trash'   );

		// Other identifiers

		$this->user_id           = apply_filters( 'bbp_user_id', 'bbp_user' );

		$this->tops_id           = apply_filters( 'bbp_tops_id', 'bbp_tops' );

		$this->reps_id           = apply_filters( 'bbp_reps_id', 'bbp_reps' );

		$this->favs_id           = apply_filters( 'bbp_favs_id', 'bbp_favs' );

		$this->subs_id           = apply_filters( 'bbp_subs_id', 'bbp_subs' );

		$this->view_id           = apply_filters( 'bbp_view_id', 'bbp_view' );

		$this->edit_id           = apply_filters( 'bbp_edit_id', 'edit'     );

		/** Queries ***********************************************************/

		$this->current_forum_id     = 0; // Current forum id

		$this->current_topic_id     = 0; // Current topic id

		$this->current_reply_id     = 0; // Current reply id

		$this->current_topic_tag_id = 0; // Current topic tag id

		$this->forum_query    = new stdClass(); // Main forum query

		$this->topic_query    = new stdClass(); // Main topic query

		$this->reply_query    = new stdClass(); // Main reply query

		/** Theme Compat ******************************************************/

		$this->theme_compat   = new stdClass(); // Base theme compatibility class

		$this->filters        = new stdClass(); // Used when adding/removing filters

		/** Users *************************************************************/

		$this->current_user   = new stdClass(); // Currently logged in user

		$this->displayed_user = new stdClass(); // Currently displayed user

		/** Misc **************************************************************/

		$this->domain         = 'bbpress';      // Unique identifier for retrieving translated strings

		$this->extend         = new stdClass(); // Plugins add data here

		$this->errors         = new WP_Error(); // Feedback

		$this->tab_index      = apply_filters( 'bbp_default_tab_index', 100 );

		/** Cache *************************************************************/

		// Add bbPress to global cache groups

		wp_cache_add_global_groups( 'bbpress' );

	}

	/**

	 * Include required files

	 *

	 * @since bbPress (r2626)

	 * @access private

	 * @uses is_admin() If in WordPress admin, load additional file

	 */

	private function includes() {

		/** Core **************************************************************/

		require( $this->includes_dir . 'core/sub-actions.php'        );

		require( $this->includes_dir . 'core/functions.php'          );

		require( $this->includes_dir . 'core/cache.php'              );

		require( $this->includes_dir . 'core/options.php'            );

		require( $this->includes_dir . 'core/capabilities.php'       );

		require( $this->includes_dir . 'core/update.php'             );

		require( $this->includes_dir . 'core/template-functions.php' );

		require( $this->includes_dir . 'core/template-loader.php'    );

		require( $this->includes_dir . 'core/theme-compat.php'       );

		/** Components ********************************************************/

		// Common

		require( $this->includes_dir . 'common/classes.php'        );

		require( $this->includes_dir . 'common/functions.php'      );

		require( $this->includes_dir . 'common/template-tags.php'  );

		require( $this->includes_dir . 'common/widgets.php'        );

		require( $this->includes_dir . 'common/shortcodes.php'     );

		// Forums

		require( $this->includes_dir . 'forums/capabilities.php'   );

		require( $this->includes_dir . 'forums/functions.php'      );

		require( $this->includes_dir . 'forums/template-tags.php'  );

		// Topics

		require( $this->includes_dir . 'topics/capabilities.php'   );

		require( $this->includes_dir . 'topics/functions.php'      );

		require( $this->includes_dir . 'topics/template-tags.php'  );

		// Replies

		require( $this->includes_dir . 'replies/capabilities.php'  );

		require( $this->includes_dir . 'replies/functions.php'     );

		require( $this->includes_dir . 'replies/template-tags.php' );

		// Users

		require( $this->includes_dir . 'users/capabilities.php'    );

		require( $this->includes_dir . 'users/functions.php'       );

		require( $this->includes_dir . 'users/template-tags.php'   );

		require( $this->includes_dir . 'users/options.php'         );

		/** Hooks *************************************************************/

		require( $this->includes_dir . 'core/extend.php'  );

		require( $this->includes_dir . 'core/actions.php' );

		require( $this->includes_dir . 'core/filters.php' );

		/** Admin *************************************************************/

		// Quick admin check and load if needed

		if ( is_admin() ) {

			require( $this->includes_dir . 'admin/admin.php'   );

			require( $this->includes_dir . 'admin/actions.php' );

		}

	}

	/**

	 * Setup the default hooks and actions

	 *

	 * @since bbPress (r2644)

	 * @access private

	 * @uses add_action() To add various actions

	 */

	private function setup_actions() {

		// Add actions to plugin activation and deactivation hooks

		add_action( 'activate_'   . $this->basename, 'bbp_activation'   );

		add_action( 'deactivate_' . $this->basename, 'bbp_deactivation' );

		// If bbPress is being deactivated, do not add any actions

		if ( bbp_is_deactivation( $this->basename ) )

			return;

		// Array of bbPress core actions

		$actions = array(

			'setup_theme',              // Setup the default theme compat

			'setup_current_user',       // Setup currently logged in user

			'register_post_types',      // Register post types (forum|topic|reply)

			'register_post_statuses',   // Register post statuses (closed|spam|orphan|hidden)

			'register_taxonomies',      // Register taxonomies (topic-tag)

			'register_shortcodes',      // Register shortcodes (bbp-login)

			'register_views',           // Register the views (no-replies)

			'register_theme_packages',  // Register bundled theme packages (bbp-theme-compat/bbp-themes)

			'load_textdomain',          // Load textdomain (bbpress)

			'add_rewrite_tags',         // Add rewrite tags (view|user|edit)

			'generate_rewrite_rules'    // Generate rewrite rules (view|edit)

		);

		// Add the actions

		foreach( $actions as $class_action )

			add_action( 'bbp_' . $class_action, array( $this, $class_action ), 5 );

		// All bbPress actions are setup (includes bbp-core-hooks.php)

		do_action_ref_array( 'bbp_after_setup_actions', array( &$this ) );

	}

	/** Public Methods ********************************************************/

	/**

	 * Register bundled theme packages

	 *

	 * Note that since we currently have complete control over bbp-themes and

	 * the bbp-theme-compat folders, it's fine to hardcode these here. If at a

	 * later date we need to automate this, and API will need to be built.

	 *

	 * @since bbPress (r3829)

	 */

	public function register_theme_packages() {

		// Register the default theme compatibility package

		bbp_register_theme_package( array(

			'id'      => 'default',

			'name'    => __( 'bbPress Default', 'bbpress' ),

			'version' => bbp_get_version(),

			'dir'     => trailingslashit( $this->themes_dir . 'default' ),

			'url'     => trailingslashit( $this->themes_url . 'default' )

		) );

		// Register the basic theme stack. This is really dope.

		bbp_register_template_stack( 'get_stylesheet_directory', 10 );

		bbp_register_template_stack( 'get_template_directory',   12 );

		bbp_register_template_stack( 'bbp_get_theme_compat_dir', 14 );

	}

	/**

	 * Setup the default bbPress theme compatability location.

	 *

	 * @since bbPress (r3778)

	 */

	public function setup_theme() {

		// Bail if something already has this under control

		if ( ! empty( $this->theme_compat->theme ) )

			return;

		// Setup the theme package to use for compatibility

		bbp_setup_theme_compat( bbp_get_theme_package_id() );

	}

	/**

	 * Load the translation file for current language. Checks the languages

	 * folder inside the bbPress plugin first, and then the default WordPress

	 * languages folder.

	 *

	 * Note that custom translation files inside the bbPress plugin folder

	 * will be removed on bbPress updates. If you're creating custom

	 * translation files, please use the global language folder.

	 *

	 * @since bbPress (r2596)

	 *

	 * @uses apply_filters() Calls 'bbpress_locale' with the

	 *                        {@link get_locale()} value

	 * @uses load_textdomain() To load the textdomain

	 * @return bool True on success, false on failure

	 */

	public function load_textdomain() {

		// Traditional WordPress plugin locale filter

		$locale        = apply_filters( 'plugin_locale',  get_locale(), $this->domain );

		$mofile        = sprintf( '%1$s-%2$s.mo', $this->domain, $locale );