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<?php
/**
* Health class.
*
* @package automattic/jetpack-sync
*/
namespace Automattic\Jetpack\Sync;
/**
* Health class.
*/
class Health {
/**
* Prefix of the blog lock transient.
*
* @access public
*
* @var string
*/
const STATUS_OPTION = 'sync_health_status';
/**
* Status key in option array.
*
* @access public
*
* @var string
*/
const OPTION_STATUS_KEY = 'status';
/**
* Timestamp key in option array.
*
* @access public
*
* @var string
*/
const OPTION_TIMESTAMP_KEY = 'timestamp';
/**
* Unknown status code.
*
* @access public
*
* @var string
*/
const STATUS_UNKNOWN = 'unknown';
/**
* Disabled status code.
*
* @access public
*
* @var string
*/
const STATUS_DISABLED = 'disabled';
/**
* Out of sync status code.
*
* @access public
*
* @var string
*/
const STATUS_OUT_OF_SYNC = 'out_of_sync';
/**
* In sync status code.
*
* @access public
*
* @var string
*/
const STATUS_IN_SYNC = 'in_sync';
/**
* If sync is active, Health-related hooks will be initialized after plugins are loaded.
*/
public static function init() {
add_action( 'jetpack_full_sync_end', array( __ClASS__, 'full_sync_end_update_status' ), 10, 2 );
}
/**
* Gets health status code.
*
* @return string Sync Health Status
*/
public static function get_status() {
$status = \Jetpack_Options::get_option( self::STATUS_OPTION );
if ( false === $status || ! is_array( $status ) || empty( $status[ self::OPTION_STATUS_KEY ] ) ) {
return self::STATUS_UNKNOWN;
}
switch ( $status[ self::OPTION_STATUS_KEY ] ) {
case self::STATUS_DISABLED:
case self::STATUS_OUT_OF_SYNC:
case self::STATUS_IN_SYNC:
return $status[ self::OPTION_STATUS_KEY ];
default:
return self::STATUS_UNKNOWN;
}
}
/**
* When the Jetpack plugin is upgraded, set status to disabled if sync is not enabled,
* or to unknown, if the status has never been set before.
*/
public static function on_jetpack_upgraded() {
if ( ! Settings::is_sync_enabled() ) {
self::update_status( self::STATUS_DISABLED );
return;
}
if ( false === self::is_status_defined() ) {
self::update_status( self::STATUS_UNKNOWN );
}
}
/**
* When the Jetpack plugin is activated, set status to disabled if sync is not enabled,
* or to unknown.
*/
public static function on_jetpack_activated() {
if ( ! Settings::is_sync_enabled() ) {
self::update_status( self::STATUS_DISABLED );
return;
}
self::update_status( self::STATUS_UNKNOWN );
}
/**
* Updates sync health status with either a valid status, or an unknown status.
*
* @param string $status Sync Status.
*
* @return bool True if an update occoured, or false if the status didn't change.
*/
public static function update_status( $status ) {
if ( self::get_status() === $status ) {
return false;
}
// Default Status Option.
$new_status = array(
self::OPTION_STATUS_KEY => self::STATUS_UNKNOWN,
self::OPTION_TIMESTAMP_KEY => microtime( true ),
);
switch ( $status ) {
case self::STATUS_DISABLED:
case self::STATUS_OUT_OF_SYNC:
case self::STATUS_IN_SYNC:
$new_status[ self::OPTION_STATUS_KEY ] = $status;
break;
}
\Jetpack_Options::update_option( self::STATUS_OPTION, $new_status );
return true;
}
/**
* Check if Status has been previously set.
*
* @return bool is a Status defined
*/
public static function is_status_defined() {
$status = \Jetpack_Options::get_option( self::STATUS_OPTION );
if ( false === $status || ! is_array( $status ) || empty( $status[ self::OPTION_STATUS_KEY ] ) ) {
return false;
} else {
return true;
}
}
/**
* Update Sync Status if Full Sync ended of Posts
*
* @param string $checksum The checksum that's currently being processed.
* @param array $range The ranges of object types being processed.
*/
public static function full_sync_end_update_status( $checksum, $range ) {
if ( isset( $range['posts'] ) ) {
self::update_status( self::STATUS_IN_SYNC );
}
}
}