File "engagements.php"
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<?php
/**
* bbPress Common Engagements
*
* This file contains the common classes and functions for interacting with the
* bbPress engagements API. See `includes/users/engagements.php` for more.
*
* @package bbPress
* @subpackage Common
*/
// Exit if accessed directly
defined( 'ABSPATH' ) || exit;
/**
* Return the strategy used for storing user engagements
*
* @since 2.6.0 bbPress (r6722)
*
* @param string $rel_key The key used to index this relationship
* @param string $rel_type The type of meta to look in
*
* @return string
*/
function bbp_user_engagements_interface( $rel_key = '', $rel_type = 'post' ) {
return apply_filters( 'bbp_user_engagements_interface', bbpress()->engagements, $rel_key, $rel_type );
}
/**
* Base strategy class for interfacing with User Engagements, which other
* classes will extend.
*
* @since 2.6.0 bbPress (r6722)
*/
class BBP_User_Engagements_Base {
/**
* Type of strategy being used.
*
* @since 2.6.0 bbPress (r6737)
*
* @var string
*/
public $type = '';
/**
* Add a user id to an object
*
* @since 2.6.0 bbPress (r6722)
*
* @param int $object_id The object id
* @param int $user_id The user id
* @param string $meta_key The relationship key
* @param string $meta_type The relationship type (usually 'post')
* @param bool $unique Whether meta key should be unique to the object
*
* @return bool Returns true on success, false on failure
*/
public function add_user_to_object( $object_id = 0, $user_id = 0, $meta_key = '', $meta_type = 'post', $unique = false ) {
}
/**
* Remove a user id from an object
*
* @since 2.6.0 bbPress (r6722)
*
* @param int $object_id The object id
* @param int $user_id The user id
* @param string $meta_key The relationship key
* @param string $meta_type The relationship type (usually 'post')
*
* @return bool Returns true on success, false on failure
*/
public function remove_user_from_object( $object_id = 0, $user_id = 0, $meta_key = '', $meta_type = 'post' ) {
}
/**
* Remove a user id from all objects
*
* @since 2.6.0 bbPress (r6722)
*
* @param int $user_id The user id
* @param string $meta_key The relationship key
* @param string $meta_type The relationship type (usually 'post')
*
* @return bool Returns true on success, false on failure
*/
public function remove_user_from_all_objects( $user_id = 0, $meta_key = '', $meta_type = 'post' ) {
}
/**
* Remove an object from all users
*
* @since 2.6.0 bbPress (r6722)
*
* @param int $object_id The object id
* @param int $user_id The user id
* @param string $meta_key The relationship key
* @param string $meta_type The relationship type (usually 'post')
*
* @return bool Returns true on success, false on failure
*/
public function remove_object_from_all_users( $object_id = 0, $meta_key = '', $meta_type = 'post' ) {
}
/**
* Remove all users from all objects
*
* @since 2.6.0 bbPress (r6722)
*
* @param string $meta_key The relationship key
* @param string $meta_type The relationship type (usually 'post')
*
* @return bool Returns true on success, false on failure
*/
public function remove_all_users_from_all_objects( $meta_key = '', $meta_type = 'post' ) {
}
/**
* Get users of an object
*
* @since 2.6.0 bbPress (r6722)
*
* @param int $object_id The object id
* @param string $meta_key The key used to index this relationship
* @param string $meta_type The type of meta to look in
*
* @return array Returns ids of users
*/
public function get_users_for_object( $object_id = 0, $meta_key = '', $meta_type = 'post' ) {
}
/**
* Get the part of the query responsible for JOINing objects to relationships.
*
* @since 2.6.0 bbPress (r6737)
*
* @param array $args
* @param string $meta_key
* @param string $meta_type
*
* @return array
*/
public function get_query( $args = array(), $context_key = '', $meta_key = '', $meta_type = 'post' ) {
}
}
/**
* Meta strategy for interfacing with User Engagements
*
* @since 2.6.0 bbPress (r6722)
*/
class BBP_User_Engagements_Meta extends BBP_User_Engagements_Base {
/**
* Type of strategy being used.
*
* @since 2.6.0 bbPress (r6737)
*
* @var string
*/
public $type = 'meta';
/**
* Add a user id to an object
*
* @since 2.6.0 bbPress (r6722)
*
* @param int $object_id The object id
* @param int $user_id The user id
* @param string $meta_key The relationship key
* @param string $meta_type The relationship type (usually 'post')
* @param bool $unique Whether meta key should be unique to the object
*
* @return bool Returns true on success, false on failure
*/
public function add_user_to_object( $object_id = 0, $user_id = 0, $meta_key = '', $meta_type = 'post', $unique = false ) {
return add_metadata( $meta_type, $object_id, $meta_key, $user_id, $unique );
}
/**
* Remove a user id from an object
*
* @since 2.6.0 bbPress (r6722)
*
* @param int $object_id The object id
* @param int $user_id The user id
* @param string $meta_key The relationship key
* @param string $meta_type The relationship type (usually 'post')
*
* @return bool Returns true on success, false on failure
*/
public function remove_user_from_object( $object_id = 0, $user_id = 0, $meta_key = '', $meta_type = 'post' ) {
return delete_metadata( $meta_type, $object_id, $meta_key, $user_id, false );
}
/**
* Remove a user id from all objects
*
* @since 2.6.0 bbPress (r6722)
*
* @param int $user_id The user id
* @param string $meta_key The relationship key
* @param string $meta_type The relationship type (usually 'post')
*
* @return bool Returns true on success, false on failure
*/
public function remove_user_from_all_objects( $user_id = 0, $meta_key = '', $meta_type = 'post' ) {
return delete_metadata( $meta_type, null, $meta_key, $user_id, true );
}
/**
* Remove an object from all users
*
* @since 2.6.0 bbPress (r6722)
*
* @param int $object_id The object id
* @param int $user_id The user id
* @param string $meta_key The relationship key
* @param string $meta_type The relationship type (usually 'post')
*
* @return bool Returns true on success, false on failure
*/
public function remove_object_from_all_users( $object_id = 0, $meta_key = '', $meta_type = 'post' ) {
return delete_metadata( $meta_type, $object_id, $meta_key, null, false );
}
/**
* Remove all users from all objects
*
* @since 2.6.0 bbPress (r6722)
*
* @param string $meta_key The relationship key
* @param string $meta_type The relationship type (usually 'post')
*
* @return bool Returns true on success, false on failure
*/
public function remove_all_users_from_all_objects( $meta_key = '', $meta_type = 'post' ) {
return delete_metadata( $meta_type, null, $meta_key, null, true );
}
/**
* Get users of an object
*
* @since 2.6.0 bbPress (r6722)
*
* @param int $object_id The object id
* @param string $meta_key The key used to index this relationship
* @param string $meta_type The type of meta to look in
*
* @return array Returns ids of users
*/
public function get_users_for_object( $object_id = 0, $meta_key = '', $meta_type = 'post' ) {
return wp_parse_id_list( get_metadata( $meta_type, $object_id, $meta_key, false ) );
}
/**
* Get the part of the query responsible for JOINing objects to relationships.
*
* @since 2.6.0 bbPress (r6737)
*
* @param array $args
* @param string $meta_key
* @param string $meta_type
*
* @return array
*/
public function get_query( $args = array(), $context_key = '', $meta_key = '', $meta_type = 'post' ) {
// Backwards compat for pre-2.6.0
if ( is_numeric( $args ) ) {
$args = array(
'meta_query' => array( array(
'key' => $meta_key,
'value' => bbp_get_user_id( $args, false, false ),
'compare' => 'NUMERIC'
) )
);
}
// Default arguments
$defaults = array(
'meta_query' => array( array(
'key' => $meta_key,
'value' => bbp_get_displayed_user_id(),
'compare' => 'NUMERIC'
) )
);
// Parse arguments
return bbp_parse_args( $args, $defaults, $context_key );
}
}
/**
* Term strategy for interfacing with User Engagements
*
* @since 2.6.0 bbPress (r6737)
*/
class BBP_User_Engagements_Term extends BBP_User_Engagements_Base {
/**
* Type of strategy being used.
*
* @since 2.6.0 bbPress (r6737)
*
* @var string
*/
public $type = 'term';
/**
* Register an engagement taxonomy just-in-time for immediate use
*
* @since 2.6.0 bbPress (r6737)
*
* @param string $tax_key
* @param string $object_type
*/
private function jit_taxonomy( $tax_key = '', $object_type = 'user' ) {
// Bail if taxonomy already exists
if ( taxonomy_exists( $tax_key ) ) {
return;
}
// Register the taxonomy
register_taxonomy( $tax_key, 'bbp_' . $object_type, array(
'labels' => array(),
'description' => '',
'public' => false,
'publicly_queryable' => false,
'hierarchical' => false,
'show_ui' => false,
'show_in_menu' => false,
'show_in_nav_menus' => false,
'show_tagcloud' => false,
'show_in_quick_edit' => false,
'show_admin_column' => false,
'meta_box_cb' => false,
'capabilities' => array(),
'rewrite' => false,
'query_var' => '',
'update_count_callback' => '',
'show_in_rest' => false,
'rest_base' => false,
'rest_controller_class' => false,
'_builtin' => false
) );
}
/**
* Add a user id to an object
*
* @since 2.6.0 bbPress (r6737)
*
* @param int $object_id The object id
* @param int $user_id The user id
* @param string $meta_key The relationship key
* @param string $meta_type The relationship type (usually 'post')
* @param bool $unique Whether meta key should be unique to the object
*
* @return bool Returns true on success, false on failure
*/
public function add_user_to_object( $object_id = 0, $user_id = 0, $meta_key = '', $meta_type = 'post', $unique = false ) {
$user_key = "{$meta_key}_user_id_{$user_id}";
$tax_key = "{$meta_key}_{$meta_type}";
$this->jit_taxonomy( $tax_key );
return wp_add_object_terms( $object_id, $user_key, $tax_key );
}
/**
* Remove a user id from an object
*
* @since 2.6.0 bbPress (r6737)
*
* @param int $object_id The object id
* @param int $user_id The user id
* @param string $meta_key The relationship key
* @param string $meta_type The relationship type (usually 'post')
*
* @return bool Returns true on success, false on failure
*/
public function remove_user_from_object( $object_id = 0, $user_id = 0, $meta_key = '', $meta_type = 'post' ) {
$user_key = "{$meta_key}_user_id_{$user_id}";
$tax_key = "{$meta_key}_{$meta_type}";
$this->jit_taxonomy( $tax_key );
return wp_remove_object_terms( $object_id, $user_key, $tax_key );
}
/**
* Remove a user id from all objects
*
* @since 2.6.0 bbPress (r6737)
*
* @param int $user_id The user id
* @param string $meta_key The relationship key
* @param string $meta_type The relationship type (usually 'post')
*
* @return bool Returns true on success, false on failure
*/
public function remove_user_from_all_objects( $user_id = 0, $meta_key = '', $meta_type = 'post' ) {
$user_key = "{$meta_key}_user_id_{$user_id}";
$tax_key = "{$meta_key}_{$meta_type}";
$this->jit_taxonomy( $tax_key );
$term = get_term_by( 'slug', $user_key, $tax_key );
return wp_delete_term( $term->term_id, $tax_key );
}
/**
* Remove an object from all users
*
* @since 2.6.0 bbPress (r6737)
*
* @param int $object_id The object id
* @param int $user_id The user id
* @param string $meta_key The relationship key
* @param string $meta_type The relationship type (usually 'post')
*
* @return bool Returns true on success, false on failure
*/
public function remove_object_from_all_users( $object_id = 0, $meta_key = '', $meta_type = 'post' ) {
return wp_delete_object_term_relationships( $object_id, get_object_taxonomies( 'bbp_user' ) );
}
/**
* Remove all users from all objects
*
* @since 2.6.0 bbPress (r6737)
*
* @param string $meta_key The relationship key
* @param string $meta_type The relationship type (usually 'post')
*
* @return bool Returns true on success, false on failure
*/
public function remove_all_users_from_all_objects( $meta_key = '', $meta_type = 'post' ) {
// TODO
}
/**
* Get users of an object
*
* @since 2.6.0 bbPress (r6737)
*
* @param int $object_id The object id
* @param string $meta_key The key used to index this relationship
* @param string $meta_type The type of meta to look in
*
* @return array Returns ids of users
*/
public function get_users_for_object( $object_id = 0, $meta_key = '', $meta_type = 'post' ) {
$user_key = "{$meta_key}_user_id_";
$tax_key = "{$meta_key}_{$meta_type}";
$this->jit_taxonomy( $tax_key );
// Get terms
$terms = get_terms( array(
'object_ids' => $object_id,
'taxonomy' => $tax_key
) );
// Slug part to replace
$user_ids = array();
// Loop through terms and get the user ID
foreach ( $terms as $term ) {
$user_ids[] = str_replace( $user_key, '', $term->slug );
}
// Parse & return
return wp_parse_id_list( $user_ids );
}
/**
* Get the part of the query responsible for JOINing objects to relationships.
*
* @since 2.6.0 bbPress (r6737)
*
* @param array $args
* @param string $meta_key
* @param string $meta_type
*
* @return array
*/
public function get_query( $args = array(), $context_key = '', $meta_key = '', $meta_type = 'post' ) {
$tax_key = "{$meta_key}_{$meta_type}";
$user_key = "{$meta_key}_user_id_";
// Make sure the taxonomy is registered
$this->jit_taxonomy( $tax_key );
// Backwards compat for pre-2.6.0
if ( is_numeric( $args ) ) {
$args = array(
'tax_query' => array( array(
'taxonomy' => $tax_key,
'terms' => $user_key . bbp_get_user_id( $args, false, false ),
'field' => 'slug'
) )
);
}
// Default arguments
$defaults = array(
'tax_query' => array( array(
'taxonomy' => $tax_key,
'terms' => $user_key . bbp_get_displayed_user_id(),
'field' => 'slug'
) )
);
// Parse arguments
return bbp_parse_args( $args, $defaults, $context_key );
}
}
/**
* User strategy for interfacing with User Engagements
*
* This strategy largely exists for backwards compatibility with bbPress 2.5,
* or installations that have not upgraded their databases to 2.6 or above.
*
* Note: this strategy is going to be a bit less tidy than the others, because
* it needs to do weird things to maintain the 2.5 status-quo. Do not use this
* strategy as an example when building your own.
*
* @since 2.6.0 bbPress (r6844)
*/
class BBP_User_Engagements_User extends BBP_User_Engagements_Base {
/**
* Type of strategy being used.
*
* @since 2.6.0 bbPress (r6844)
*
* @var string
*/
public $type = 'user';
/**
* Private function to map 2.6 meta keys to 2.5 user-option keys.
*
* @since 2.6.0 bbPress (r6844)
*
* @param string $meta_key
* @param int $object_id
* @param bool $prefix
*
* @return string
*/
private function get_user_option_key( $meta_key = '', $object_id = 0, $prefix = false ) {
switch ( $meta_key ) {
// Favorites
case '_bbp_favorite' :
$key = '_bbp_favorites';
break;
// Subscriptions
case '_bbp_subscription' :
// Maybe guess at post type
$post_type = ! empty( $object_id )
? get_post_type( $object_id )
: bbp_get_topic_post_type();
// Forums & Topics used different keys :/
$key = ( bbp_get_forum_post_type() === $post_type )
? '_bbp_forum_subscriptions'
: '_bbp_subscriptions';
break;
// Unknown, so pluralize
default :
$key = "{$meta_key}s";
break;
}
// Maybe prefix the key (for use in raw database queries)
if ( true === $prefix ) {
$key = bbp_db()->get_blog_prefix() . $key;
}
// Return the old (pluralized) user option key
return $key;
}
/**
* Private function to get a 2.5 compatible cache key.
*
* This method exists to provide backwards compatibility with bbPress 2.5,
* which had caching surrounding the FIND_IN_SET usermeta queries.
*
* @since 2.6.3 bbPress (r6991)
*
* @param string $meta_key
* @param int $object_id
*
* @return string
*/
private function get_cache_key( $meta_key = '', $object_id = 0 ) {
// No negative numbers in cache keys (zero is weird, but not disallowed)
$object_id = absint( $object_id );
// Maybe guess at post type
$post_type = ! empty( $object_id )
? get_post_type( $object_id )
: bbp_get_topic_post_type();
switch ( $meta_key ) {
// Favorites
case '_bbp_favorite' :
$key = 'bbp_get_topic_favoriters_';
break;
// Subscriptions
case '_bbp_subscription' :
// Forums & Topics used different keys :/
$key = ( bbp_get_forum_post_type() === $post_type )
? 'bbp_get_forum_subscribers_'
: 'bbp_get_topic_subscribers_';
break;
// Unknown, so pluralize
default :
$nounize = rtrim( $meta_key, 'e' );
$key = "bbp_get_{$post_type}_{$nounize}ers_";
break;
}
// Return the old (pluralized) user option key with object ID appended
return "{$key}{$object_id}";
}
/**
* Get the user engagement cache for a given meta key and object ID.
*
* This method exists to provide backwards compatibility with bbPress 2.5,
* which had caching surrounding the FIND_IN_SET queries in usermeta.
*
* @since 2.6.3 bbPress (r6991)
*
* @param string $meta_key
* @param int $object_id
*
* @return mixed Results from cache get
*/
private function cache_get( $meta_key = '', $object_id = 0 ) {
$cache_key = $this->get_cache_key( $meta_key, $object_id );
return wp_cache_get( $cache_key, 'bbpress_engagements' );
}
/**
* Set the user engagement cache for a given meta key and object ID.
*
* This method exists to provide backwards compatibility with bbPress 2.5,
* which had caching surrounding the FIND_IN_SET queries in usermeta.
*
* @since 2.6.3 bbPress (r6991)
*
* @param string $meta_key
* @param int $object_id
*
* @return mixed Results from cache set
*/
private function cache_set( $meta_key = '', $object_id = 0, $user_ids = array() ) {
$cache_key = $this->get_cache_key( $meta_key, $object_id );
$user_ids = $this->parse_comma_list( $user_ids );
return wp_cache_set( $cache_key, $user_ids, 'bbpress_engagements' );
}
/**
* Delete the user engagement cache for a given meta key and object ID.
*
* This method exists to provide backwards compatibility with bbPress 2.5,
* which had caching surrounding the FIND_IN_SET queries in usermeta.
*
* @since 2.6.3 bbPress (r6991)
*
* @param string $meta_key
* @param int $object_id
*
* @return mixed Results from cache delete
*/
private function cache_delete( $meta_key = '', $object_id = 0 ) {
$cache_key = $this->get_cache_key( $meta_key, $object_id );
return wp_cache_delete( $cache_key, 'bbpress_engagements' );
}
/**
* Turn a comma-separated string into an array of integers
*
* @since 2.6.0 bbPress (r6844)
*
* @param string $results
* @return array
*/
private function parse_comma_list( $results = '' ) {
return array_filter( wp_parse_id_list( $results ) );
}
/**
* Add a user id to an object
*
* @since 2.6.0 bbPress (r6844)
*
* @param int $object_id The object id
* @param int $user_id The user id
* @param string $meta_key The relationship key
* @param string $meta_type The relationship type (usually 'post')
* @param bool $unique Whether meta key should be unique to the object
*
* @return bool Returns true on success, false on failure
*/
public function add_user_to_object( $object_id = 0, $user_id = 0, $meta_key = '', $meta_type = 'post', $unique = false ) {
$retval = false;
$option_key = $this->get_user_option_key( $meta_key, $object_id );
$object_ids = $this->parse_comma_list( get_user_option( $option_key, $user_id ) );
$exists = array_search( $object_id, $object_ids );
// Not already added, so add it
if ( false === $exists ) {
$object_ids[] = $object_id;
$object_ids = implode( ',', $this->parse_comma_list( $object_ids ) );
$retval = update_user_option( $user_id, $option_key, $object_ids );
// Delete cache if successful (accounts for int & true)
if ( false !== $retval ) {
$this->cache_delete( $meta_key, $object_id );
}
}
// Return true if added, or false if not
return $retval;
}
/**
* Remove a user id from an object
*
* @since 2.6.0 bbPress (r6844)
*
* @param int $object_id The object id
* @param int $user_id The user id
* @param string $meta_key The relationship key
* @param string $meta_type The relationship type (usually 'post')
*
* @return bool Returns true on success, false on failure
*/
public function remove_user_from_object( $object_id = 0, $user_id = 0, $meta_key = '', $meta_type = 'post' ) {
$retval = false;
$option_key = $this->get_user_option_key( $meta_key, $object_id );
$object_ids = $this->parse_comma_list( get_user_option( $option_key, $user_id ) );
$exists = array_search( $object_id, $object_ids );
// Exists, so remove it
if ( false !== $exists ) {
unset( $object_ids[ $exists ] );
$object_ids = implode( ',', $this->parse_comma_list( $object_ids ) );
$retval = ! empty( $object_ids )
? update_user_option( $user_id, $option_key, $object_ids )
: delete_user_option( $user_id, $option_key );
// Delete cache if successful (accounts for int & true)
if ( false !== $retval ) {
$this->cache_delete( $meta_key, $object_id );
}
}
// Return true if removed, or false if not
return $retval;
}
/**
* Remove a user id from all objects
*
* @since 2.6.0 bbPress (r6844)
*
* @param int $user_id The user id
* @param string $meta_key The relationship key
* @param string $meta_type The relationship type (usually 'post')
*
* @return bool Returns true on success, false on failure
*/
public function remove_user_from_all_objects( $user_id = 0, $meta_key = '', $meta_type = 'post' ) {
// Get the key
$option_key = $this->get_user_option_key( $meta_key );
// Get the option
$object_ids = $this->parse_comma_list( get_user_option( $option_key, $user_id ) );
// Attempt to delete the user option
$retval = delete_user_option( $user_id, $option_key );
// Try to delete caches, but only if everything else succeeded
if ( ! empty( $retval ) && ! empty( $object_ids ) ) {
foreach ( $object_ids as $object_id ) {
$this->cache_delete( $meta_key, $object_id );
}
}
// Return true if user was removed, or false if not
return $retval;
}
/**
* Remove an object from all users
*
* @since 2.6.0 bbPress (r6844)
*
* @param int $object_id The object id
* @param int $user_id The user id
* @param string $meta_key The relationship key
* @param string $meta_type The relationship type (usually 'post')
*
* @return bool Returns true on success, false on failure
*/
public function remove_object_from_all_users( $object_id = 0, $meta_key = '', $meta_type = 'post' ) {
// Query for users
$user_ids = $this->get_users_for_object( $object_id, $meta_key, $meta_type );
$u_count = count( $user_ids );
// Count number of removals
$removed = array();
$r_count = 0;
// Users have engaged, so remove them
if ( ! empty( $u_count ) ) {
// Loop through users and remove them from the object
foreach ( $user_ids as $user_id ) {
$removed[] = $this->remove_user_from_object( $object_id, $user_id, $meta_key, $meta_type );
}
// Count the removed users
$r_count = count( $removed );
}
// Return true if successfully removed from all users
return ( $r_count === $u_count );
}
/**
* Remove all users from all objects
*
* @since 2.6.0 bbPress (r6844)
*
* @param string $meta_key The relationship key
* @param string $meta_type The relationship type (usually 'post')
*
* @return bool Returns true on success, false on failure
*/
public function remove_all_users_from_all_objects( $meta_key = '', $meta_type = 'post' ) {
// Query for users
$option_key = $this->get_user_option_key( $meta_key, 0, true );
$bbp_db = bbp_db();
$user_ids = $bbp_db->get_col( "SELECT user_id FROM {$bbp_db->usermeta} WHERE meta_key = '{$option_key}'" );
$u_count = count( $user_ids );
// Count number of removals
$removed = array();
$r_count = 0;
// Users have engaged, so remove them
if ( ! empty( $u_count ) ) {
// Loop through users and remove their user options
foreach ( $user_ids as $user_id ) {
$removed[] = $this->remove_user_from_all_objects( $user_id, $meta_key );
}
// Count the removed users
$r_count = count( $removed );
}
// Return true if successfully removed from all users
return ( $r_count === $u_count );
}
/**
* Get users of an object
*
* The database queries in this function were cached in bbPress versions
* older than 2.6, but no longer are to avoid cache pollution.
*
* @since 2.6.0 bbPress (r6844)
*
* @param int $object_id The object id
* @param string $meta_key The key used to index this relationship
* @param string $meta_type The type of meta to look in
*
* @return array Returns ids of users
*/
public function get_users_for_object( $object_id = 0, $meta_key = '', $meta_type = 'post' ) {
// Try to get user IDs from cache
$user_ids = $this->cache_get( $meta_key, $object_id );
// Cache is empty, so hit the database
if ( false === $user_ids ) {
$option_key = $this->get_user_option_key( $meta_key, $object_id, true );
$bbp_db = bbp_db();
$user_ids = $bbp_db->get_col( "SELECT user_id FROM {$bbp_db->usermeta} WHERE meta_key = '{$option_key}' and FIND_IN_SET('{$object_id}', meta_value) > 0" );
// Always cache results (even if empty, to prevent multiple misses)
$this->cache_set( $meta_key, $object_id, $user_ids );
}
// Return parsed IDs
return $this->parse_comma_list( $user_ids );
}
/**
* Get the part of the query responsible for JOINing objects to relationships.
*
* @since 2.6.0 bbPress (r6844)
*
* @param array $args
* @param string $meta_key
* @param string $meta_type
*
* @return array
*/
public function get_query( $args = array(), $context_key = '', $meta_key = '', $meta_type = 'post' ) {
$user_id = bbp_get_user_id( $args, true, true );
$option_key = $this->get_user_option_key( $meta_key );
$object_ids = $this->parse_comma_list( get_user_option( $option_key, $user_id ) );
// Maybe trick WP_Query into ".ID IN (0)" to return no results
if ( empty( $object_ids ) ) {
$object_ids = array( 0 );
}
// Maybe include these post IDs
$args = array(
'post__in' => $object_ids
);
// Parse arguments
return bbp_parse_args( $args, array(), $context_key );
}
}