<?php

/**
 * BuddyPress Blogs Caching.
 *
 * Caching functions handle the clearing of cached objects and pages on specific
 * actions throughout BuddyPress.
 *
 * @package BuddyPress
 * @subpackage BlogsCache
 */

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

/**
 * Clear the blog object cache.
 *
 * @since BuddyPress (1.0.0)
 *
 * @param int $blog_id ID of the current blog.
 * @param int $user_id ID of the user whose blog cache should be cleared.
 */
function bp_blogs_clear_blog_object_cache( $blog_id, $user_id ) {
	wp_cache_delete( 'bp_blogs_of_user_'        . $user_id, 'bp' );
	wp_cache_delete( 'bp_total_blogs_for_user_' . $user_id, 'bp' );
}

/**
 * Clear cache when a new blog is created.
 *
 * @since BuddyPress (1.0.0)
 *
 * @param BP_Blogs_Blog $recorded_blog_obj The recorded blog, passed by
 *        'bp_blogs_new_blog'.
 */
function bp_blogs_format_clear_blog_cache( $recorded_blog_obj ) {
	bp_blogs_clear_blog_object_cache( false, $recorded_blog_obj->user_id );
	wp_cache_delete( 'bp_total_blogs', 'bp' );
}

// List actions to clear object caches on
add_action( 'bp_blogs_remove_blog_for_user', 'bp_blogs_clear_blog_object_cache', 10, 2 );
add_action( 'bp_blogs_new_blog',             'bp_blogs_format_clear_blog_cache', 10, 2 );

// List actions to clear super cached pages on, if super cache is installed
add_action( 'bp_blogs_remove_data_for_blog', 'bp_core_clear_cache' );
add_action( 'bp_blogs_remove_comment',       'bp_core_clear_cache' );
add_action( 'bp_blogs_remove_post',          'bp_core_clear_cache' );
add_action( 'bp_blogs_remove_blog_for_user', 'bp_core_clear_cache' );
add_action( 'bp_blogs_remove_blog',          'bp_core_clear_cache' );
add_action( 'bp_blogs_new_blog_comment',     'bp_core_clear_cache' );
add_action( 'bp_blogs_new_blog_post',        'bp_core_clear_cache' );
add_action( 'bp_blogs_new_blog',             'bp_core_clear_cache' );
add_action( 'bp_blogs_remove_data',          'bp_core_clear_cache' );