<?php

/**

 * bbPress Updater

 *

 * @package bbPress

 * @subpackage Updater

 */

// Exit if accessed directly

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

/**

 * If there is no raw DB version, this is the first installation

 *

 * @since bbPress (r3764)

 *

 * @uses get_option()

 * @uses bbp_get_db_version() To get bbPress's database version

 * @return bool True if update, False if not

 */

function bbp_is_install() {

	return ! bbp_get_db_version_raw();

}

/**

 * Compare the bbPress version to the DB version to determine if updating

 *

 * @since bbPress (r3421)

 *

 * @uses get_option()

 * @uses bbp_get_db_version() To get bbPress's database version

 * @return bool True if update, False if not

 */

function bbp_is_update() {

	$raw    = (int) bbp_get_db_version_raw();

	$cur    = (int) bbp_get_db_version();

	$retval = (bool) ( $raw < $cur );

	return $retval;

}

/**

 * Determine if bbPress is being activated

 *

 * Note that this function currently is not used in bbPress core and is here

 * for third party plugins to use to check for bbPress activation.

 *

 * @since bbPress (r3421)

 *

 * @return bool True if activating bbPress, false if not

 */

function bbp_is_activation( $basename = '' ) {

	$bbp = bbpress();

	$action = false;

	if ( ! empty( $_REQUEST['action'] ) && ( '-1' != $_REQUEST['action'] ) )

		$action = $_REQUEST['action'];

	elseif ( ! empty( $_REQUEST['action2'] ) && ( '-1' != $_REQUEST['action2'] ) )

		$action = $_REQUEST['action2'];

	// Bail if not activating

	if ( empty( $action ) || !in_array( $action, array( 'activate', 'activate-selected' ) ) )

		return false;

	// The plugin(s) being activated

	if ( $action == 'activate' ) {

		$plugins = isset( $_GET['plugin'] ) ? array( $_GET['plugin'] ) : array();

	} else {

		$plugins = isset( $_POST['checked'] ) ? (array) $_POST['checked'] : array();

	}

	// Set basename if empty

	if ( empty( $basename ) && !empty( $bbp->basename ) )

		$basename = $bbp->basename;

	// Bail if no basename

	if ( empty( $basename ) )

		return false;

	// Is bbPress being activated?

	return in_array( $basename, $plugins );

}

/**

 * Determine if bbPress is being deactivated

 *

 * @since bbPress (r3421)

 * @return bool True if deactivating bbPress, false if not

 */

function bbp_is_deactivation( $basename = '' ) {

	$bbp = bbpress();

	$action = false;

	if ( ! empty( $_REQUEST['action'] ) && ( '-1' != $_REQUEST['action'] ) )

		$action = $_REQUEST['action'];

	elseif ( ! empty( $_REQUEST['action2'] ) && ( '-1' != $_REQUEST['action2'] ) )

		$action = $_REQUEST['action2'];

	// Bail if not deactivating

	if ( empty( $action ) || !in_array( $action, array( 'deactivate', 'deactivate-selected' ) ) )

		return false;

	// The plugin(s) being deactivated

	if ( $action == 'deactivate' ) {

		$plugins = isset( $_GET['plugin'] ) ? array( $_GET['plugin'] ) : array();

	} else {

		$plugins = isset( $_POST['checked'] ) ? (array) $_POST['checked'] : array();

	}

	// Set basename if empty

	if ( empty( $basename ) && !empty( $bbp->basename ) )

		$basename = $bbp->basename;

	// Bail if no basename

	if ( empty( $basename ) )

		return false;

	// Is bbPress being deactivated?

	return in_array( $basename, $plugins );

}

/**

 * Update the DB to the latest version

 *

 * @since bbPress (r3421)

 * @uses update_option()

 * @uses bbp_get_db_version() To get bbPress's database version

 */

function bbp_version_bump() {

	$db_version = bbp_get_db_version();

	update_option( '_bbp_db_version', $db_version );

}

/**

 * Setup the bbPress updater

 *

 * @since bbPress (r3419)

 *

 * @uses bbp_version_updater()

 * @uses bbp_version_bump()

 * @uses flush_rewrite_rules()

 */

function bbp_setup_updater() {

	// Bail if no update needed

	if ( ! bbp_is_update() )

		return;

	// Call the automated updater

	bbp_version_updater();

}

/**

 * Create a default forum, topic, and reply

 *

 * @since bbPress (r3767)

 * @param array $args Array of arguments to override default values

 */

function bbp_create_initial_content( $args = array() ) {

	$defaults = array(

		'forum_parent'  => 0,

		'forum_status'  => 'publish',

		'forum_title'   => __( 'General',                                  'bbpress' ),

		'forum_content' => __( 'General chit-chat',                        'bbpress' ),

		'topic_title'   => __( 'Hello World!',                             'bbpress' ),

		'topic_content' => __( 'I am the first topic in your new forums.', 'bbpress' ),

		'reply_title'   => __( 'Re: Hello World!',                         'bbpress' ),

		'reply_content' => __( 'Oh, and this is what a reply looks like.', 'bbpress' ),

	);

	$r = bbp_parse_args( $args, $defaults, 'create_initial_content' );

	extract( $r );

	// Create the initial forum

	$forum_id = bbp_insert_forum( array(

		'post_parent'  => $forum_parent,

		'post_status'  => $forum_status,

		'post_title'   => $forum_title,

		'post_content' => $forum_content

	) );

	// Create the initial topic

	$topic_id = bbp_insert_topic(

		array(

			'post_parent'  => $forum_id,

			'post_title'   => $topic_title,

			'post_content' => $topic_content

		),

		array( 'forum_id'  => $forum_id )

	);

	// Create the initial reply

	$reply_id = bbp_insert_reply(

		array(

			'post_parent'  => $topic_id,

			'post_title'   => $reply_title,

			'post_content' => $reply_content

		),

		array(

			'forum_id'     => $forum_id,

			'topic_id'     => $topic_id

		)

	);

	return array(

		'forum_id' => $forum_id,

		'topic_id' => $topic_id,

		'reply_id' => $reply_id

	);

}

/**

 * bbPress's version updater looks at what the current database version is, and

 * runs whatever other code is needed.

 *

 * This is most-often used when the data schema changes, but should also be used

 * to correct issues with bbPress meta-data silently on software update.

 *

 * @since bbPress (r4104)

 */

function bbp_version_updater() {

	// Get the raw database version

	$raw_db_version = (int) bbp_get_db_version_raw();

	/** 2.0 Branch ************************************************************/

	// 2.0, 2.0.1, 2.0.2, 2.0.3

	if ( $raw_db_version < 200 ) {

		// Do nothing

	}

	/** 2.1 Branch ************************************************************/

	// 2.1, 2.1.1

	if ( $raw_db_version < 211 ) {

		/**

		 * Repair private and hidden forum data

		 *

		 * @link http://bbpress.trac.wordpress.org/ticket/1891

		 */

		bbp_admin_repair_forum_visibility();

	}

	/** 2.2 Branch ************************************************************/

	// 2.2

		// Refresh capabilities

		bbp_remove_caps();

	}

	/** All done! *************************************************************/

	// Bump the version

	bbp_version_bump();

	// Delete rewrite rules to force a flush

	bbp_delete_rewrite_rules();

}

/**

 * Redirect user to bbPress's What's New page on activation

 *

 * @since bbPress (r4389)

 *

 * @internal Used internally to redirect bbPress to the about page on activation

 *

 * @uses is_network_admin() To bail if being network activated

 * @uses set_transient() To drop the activation transient for 30 seconds

 *

 * @return If network admin or bulk activation

 */

function bbp_add_activation_redirect() {

	// Bail if activating from network, or bulk

	if ( is_network_admin() || isset( $_GET['activate-multi'] ) )

		return;

	// Add the transient to redirect

    set_transient( '_bbp_activation_redirect', true, 30 );

}