/**
* Clear cache objects for the user.
* @param int $user_id
*/
public static function clear_cache($user_id)
{
// be lazy, clear the entries so they are rebuilt when requested
Groups_Cache::delete(self::CAPABILITIES . $user_id, self::CACHE_GROUP);
Groups_Cache::delete(self::CAPABILITIES_BASE . $user_id, self::CACHE_GROUP);
Groups_Cache::delete(self::CAPABILITY_IDS . $user_id, self::CACHE_GROUP);
Groups_Cache::delete(self::CAPABILITY_IDS_BASE . $user_id, self::CACHE_GROUP);
Groups_Cache::delete(self::GROUP_IDS . $user_id, self::CACHE_GROUP);
Groups_Cache::delete(self::GROUP_IDS_BASE . $user_id, self::CACHE_GROUP);
Groups_Cache::delete(self::GROUPS . $user_id, self::CACHE_GROUP);
Groups_Cache::delete(self::GROUPS_BASE . $user_id, self::CACHE_GROUP);
}
/**
* Remove capability and its relations.
*
* @param int $capability_id
* @return capability_id if successful, false otherwise
*/
public static function delete($capability_id)
{
global $wpdb;
$result = false;
// avoid nonsense requests
if ($capability = Groups_Capability::read($capability_id)) {
$capability_table = _groups_get_tablename('capability');
// get rid of it
if ($rows = $wpdb->query($wpdb->prepare("DELETE FROM {$capability_table} WHERE capability_id = %d", Groups_Utility::id($capability_id)))) {
$result = $capability_id;
if (!empty($capability->capability)) {
Groups_Cache::delete(self::READ_BY_CAPABILITY . '_' . $capability->capability, self::CACHE_GROUP);
do_action('groups_deleted_capability_capability', $capability->capability);
}
do_action("groups_deleted_capability", $result);
}
}
return $result;
}
/**
* Remove group and its relations.
*
* @param int $group_id
* @return group_id if successful, false otherwise
*/
public static function delete($group_id)
{
global $wpdb;
$result = false;
if ($group = self::read($group_id)) {
// delete group-capabilities
$group_capability_table = _groups_get_tablename('group_capability');
$wpdb->query($wpdb->prepare("DELETE FROM {$group_capability_table} WHERE group_id = %d", Groups_Utility::id($group->group_id)));
// delete group-users
$user_group_table = _groups_get_tablename('user_group');
$wpdb->query($wpdb->prepare("DELETE FROM {$user_group_table} WHERE group_id = %d", $group->group_id));
// set parent_id to null where this group is parent
$group_table = _groups_get_tablename('group');
$wpdb->query($wpdb->prepare("UPDATE {$group_table} SET parent_id = NULL WHERE parent_id = %d", $group->group_id));
// delete group
if ($wpdb->query($wpdb->prepare("DELETE FROM {$group_table} WHERE group_id = %d", $group->group_id))) {
$result = $group->group_id;
if (!empty($group->name)) {
Groups_Cache::delete(self::READ_BY_NAME . '_' . $group->name, self::CACHE_GROUP);
}
do_action("groups_deleted_group", $result);
}
}
return $result;
}