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<?php
/**
* @package Freemius
* @copyright Copyright (c) 2015, Freemius, Inc.
* @license https://www.gnu.org/licenses/gpl-3.0.html GNU General Public License Version 3
* @since 1.2.3
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Class FS_Options
*
* A wrapper class for handling network level and single site level options.
*/
class FS_Options {
/**
* @var string
*/
private $_id;
/**
* @var array[string]FS_Options {
* @key string
* @value FS_Options
* }
*/
private static $_instances;
/**
* @var FS_Option_Manager Site level options.
*/
private $_options;
/**
* @var FS_Option_Manager Network level options.
*/
private $_network_options;
/**
* @var int The ID of the blog that is associated with the current site level options.
*/
private $_blog_id = 0;
/**
* @var bool
*/
private $_is_multisite;
/**
* @var string[] Lazy collection of params on the site level.
*/
private static $_SITE_OPTIONS_MAP;
/**
* @author Leo Fajardo (@leorw)
* @since 2.0.0
*
* @param string $id
* @param bool $load
*
* @return FS_Options
*/
static function instance( $id, $load = false ) {
if ( ! isset( self::$_instances[ $id ] ) ) {
self::$_instances[ $id ] = new FS_Options( $id, $load );
}
return self::$_instances[ $id ];
}
/**
* @author Leo Fajardo (@leorw)
* @since 2.0.0
*
* @param string $id
* @param bool $load
*/
private function __construct( $id, $load = false ) {
$this->_id = $id;
$this->_is_multisite = is_multisite();
if ( $this->_is_multisite ) {
$this->_blog_id = get_current_blog_id();
$this->_network_options = FS_Option_Manager::get_manager( $id, $load, true );
}
$this->_options = FS_Option_Manager::get_manager( $id, $load, $this->_blog_id );
}
/**
* Switch the context of the site level options manager.
*
* @author Vova Feldman (@svovaf)
* @since 2.0.0
*
* @param $blog_id
*/
function set_site_blog_context( $blog_id ) {
$this->_blog_id = $blog_id;
$this->_options = FS_Option_Manager::get_manager( $this->_id, false, $this->_blog_id );
}
/**
* @author Leo Fajardo (@leorw)
*
* @param string $option
* @param mixed $default
* @param null|bool|int $network_level_or_blog_id When an integer, use the given blog storage. When `true` use the multisite storage (if there's a network). When `false`, use the current context blog storage. When `null`, the decision which storage to use (MS vs. Current S) will be handled internally and determined based on the $option (based on self::$_SITE_LEVEL_PARAMS).
*
* @return mixed
*/
function get_option( $option, $default = null, $network_level_or_blog_id = null ) {
if ( $this->should_use_network_storage( $option, $network_level_or_blog_id ) ) {
return $this->_network_options->get_option( $option, $default );
}
$site_options = $this->get_site_options( $network_level_or_blog_id );
return $site_options->get_option( $option, $default );
}
/**
* @author Leo Fajardo (@leorw)
* @since 2.0.0
*
* @param string $option
* @param mixed $value
* @param bool $flush
* @param null|bool|int $network_level_or_blog_id When an integer, use the given blog storage. When `true` use the multisite storage (if there's a network). When `false`, use the current context blog storage. When `null`, the decision which storage to use (MS vs. Current S) will be handled internally and determined based on the $option (based on self::$_SITE_LEVEL_PARAMS).
*/
function set_option( $option, $value, $flush = false, $network_level_or_blog_id = null ) {
if ( $this->should_use_network_storage( $option, $network_level_or_blog_id ) ) {
$this->_network_options->set_option( $option, $value, $flush );
} else {
$site_options = $this->get_site_options( $network_level_or_blog_id );
$site_options->set_option( $option, $value, $flush );
}
}
/**
* @author Vova Feldman (@svovaf)
* @since 2.0.0
*
* @param string $option
* @param bool $flush
* @param null|bool|int $network_level_or_blog_id When an integer, use the given blog storage. When `true` use the multisite storage (if there's a network). When `false`, use the current context blog storage. When `null`, the decision which storage to use (MS vs. Current S) will be handled internally and determined based on the $option (based on self::$_SITE_LEVEL_PARAMS).
*/
function unset_option( $option, $flush = false, $network_level_or_blog_id = null ) {
if ( $this->should_use_network_storage( $option, $network_level_or_blog_id ) ) {
$this->_network_options->unset_option( $option, $flush );
} else {
$site_options = $this->get_site_options( $network_level_or_blog_id );
$site_options->unset_option( $option, $flush );
}
}
/**
* @author Leo Fajardo (@leorw)
* @since 2.0.0
*
* @param bool $flush
* @param bool $network_level
*/
function load( $flush = false, $network_level = true ) {
if ( $this->_is_multisite && $network_level ) {
$this->_network_options->load( $flush );
} else {
$this->_options->load( $flush );
}
}
/**
* @author Leo Fajardo (@leorw)
* @since 2.0.0
*
* @param null|bool|int $network_level_or_blog_id When an integer, use the given blog storage. When `true` use the multisite storage (if there's a network). When `false`, use the current context blog storage. When `null`, store both network storage and the current context blog storage.
*/
function store( $network_level_or_blog_id = null ) {
if ( ! $this->_is_multisite ||
false === $network_level_or_blog_id ||
0 == $network_level_or_blog_id ||
is_null( $network_level_or_blog_id )
) {
$site_options = $this->get_site_options( $network_level_or_blog_id );
$site_options->store();
}
if ( $this->_is_multisite &&
( is_null( $network_level_or_blog_id ) || true === $network_level_or_blog_id )
) {
$this->_network_options->store();
}
}
/**
* @author Vova Feldman (@svovaf)
* @since 2.0.0
*
* @param int|null|bool $network_level_or_blog_id
* @param bool $flush
*/
function clear( $network_level_or_blog_id = null, $flush = false ) {
if ( ! $this->_is_multisite ||
false === $network_level_or_blog_id ||
is_null( $network_level_or_blog_id ) ||
is_numeric( $network_level_or_blog_id )
) {
$site_options = $this->get_site_options( $network_level_or_blog_id );
$site_options->clear( $flush );
}
if ( $this->_is_multisite &&
( true === $network_level_or_blog_id || is_null( $network_level_or_blog_id ) )
) {
$this->_network_options->clear( $flush );
}
}
/**
* Migration script to the new storage data structure that is network compatible.
*
* IMPORTANT:
* This method should be executed only after it is determined if this is a network
* level compatible product activation.
*
* @author Vova Feldman (@svovaf)
* @since 2.0.0
*
* @param int $blog_id
*/
function migrate_to_network( $blog_id = 0 ) {
if ( ! $this->_is_multisite ) {
return;
}
$updated = false;
$site_options = $this->get_site_options( $blog_id );
$keys = $site_options->get_options_keys();
foreach ( $keys as $option ) {
if ( $this->is_site_option( $option ) ||
// Don't move admin notices to the network storage.
in_array($option, array(
// Don't move admin notices to the network storage.
'admin_notices',
// Don't migrate the module specific data, it will be migrated by the FS_Storage.
'plugin_data',
'theme_data',
))
) {
continue;
}
$option_updated = false;
// Migrate option to the network storage.
$site_option = $site_options->get_option( $option );
if ( ! $this->_network_options->has_option( $option ) ) {
// Option not set on the network level, so just set it.
$this->_network_options->set_option( $option, $site_option, false );
$option_updated = true;
} else {
// Option already set on the network level, so we need to merge it inelegantly.
$network_option = $this->_network_options->get_option( $option );
if ( is_array( $network_option ) && is_array( $site_option ) ) {
// Option is an array.
foreach ( $site_option as $key => $value ) {
if ( ! isset( $network_option[ $key ] ) ) {
$network_option[ $key ] = $value;
$option_updated = true;
} else if ( is_array( $network_option[ $key ] ) && is_array( $value ) ) {
if ( empty( $network_option[ $key ] ) ) {
$network_option[ $key ] = $value;
$option_updated = true;
} else if ( empty( $value ) ) {
// Do nothing.
} else {
reset($value);
$first_key = key($value);
if ( $value[$first_key] instanceof FS_Entity ) {
// Merge entities by IDs.
$network_entities_ids = array();
foreach ( $network_option[ $key ] as $entity ) {
$network_entities_ids[ $entity->id ] = true;
}
foreach ( $value as $entity ) {
if ( ! isset( $network_entities_ids[ $entity->id ] ) ) {
$network_option[ $key ][] = $entity;
$option_updated = true;
}
}
}
}
}
}
}
if ( $option_updated ) {
$this->_network_options->set_option( $option, $network_option, false );
}
}
/**
* Remove the option from site level storage.
*
* IMPORTANT:
* The line below is intentionally commented since we want to preserve the option
* on the site storage level for "downgrade compatibility". Basically, if the user
* will downgrade to an older version of the plugin with the prev storage structure,
* it will continue working.
*
* @todo After a few releases we can remove this.
*/
// $site_options->unset_option($option, false);
if ( $option_updated ) {
$updated = true;
}
}
if ( ! $updated ) {
return;
}
// Update network level storage.
$this->_network_options->store();
// $site_options->store();
}
#--------------------------------------------------------------------------------
#region Helper Methods
#--------------------------------------------------------------------------------
/**
* We don't want to load the map right away since it's not even needed in a non-MS environment.
*
* @author Vova Feldman (@svovaf)
* @since 2.0.0
*/
private static function load_site_options_map() {
self::$_SITE_OPTIONS_MAP = array(
'sites' => true,
'theme_sites' => true,
'unique_id' => true,
'active_plugins' => true,
);
}
/**
* @author Vova Feldman (@svovaf)
* @since 2.0.0
*
* @param string $option
*
* @return bool
*/
private function is_site_option( $option ) {
if ( WP_FS__ACCOUNTS_OPTION_NAME != $this->_id ) {
return false;
}
if ( ! isset( self::$_SITE_OPTIONS_MAP ) ) {
self::load_site_options_map();
}
return isset( self::$_SITE_OPTIONS_MAP[ $option ] );
}
/**
* @author Vova Feldman (@svovaf)
* @since 2.0.0
*
* @param int $blog_id
*
* @return FS_Option_Manager
*/
private function get_site_options( $blog_id = 0 ) {
if ( 0 == $blog_id || $blog_id == $this->_blog_id ) {
return $this->_options;
}
return FS_Option_Manager::get_manager( $this->_id, true, $blog_id );
}
/**
* Check if an option should be stored on the MS network storage.
*
* @author Vova Feldman (@svovaf)
* @since 2.0.0
*
* @param string $option
* @param null|bool|int $network_level_or_blog_id When an integer, use the given blog storage. When `true` use the multisite storage (if there's a network). When `false`, use the current context blog storage. When `null`, the decision which storage to use (MS vs. Current S) will be handled internally and determined based on the $option (based on self::$_SITE_LEVEL_PARAMS).
*
* @return bool
*/
private function should_use_network_storage( $option, $network_level_or_blog_id = null ) {
if ( ! $this->_is_multisite ) {
// Not a multisite environment.
return false;
}
if ( is_numeric( $network_level_or_blog_id ) ) {
// Explicitly asked to use a specified blog storage.
return false;
}
if ( is_bool( $network_level_or_blog_id ) ) {
// Explicitly specified whether should use the network or blog level storage.
return $network_level_or_blog_id;
}
// Determine which storage to use based on the option.
return ! $this->is_site_option( $option );
}
#endregion
}