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<?php
/**
* Yoast SEO Plugin File.
*
* @package Yoast\YoastSEO\Config
*/
namespace Yoast\WP\SEO\Config;
/**
* Migration_Status class. Used to validate whether or not migrations have been run and whether or not they should be run again.
*/
class Migration_Status {
/**
* The migration option key.
*
* @var string
*/
const MIGRATION_OPTION_KEY = 'yoast_migrations_';
/**
* The migration options.
*
* @var array
*/
protected $migration_options = [];
/**
* Checks if a given migration should be run.
*
* @param string $name The name of the migration.
*
* @return bool Whether or not the migration should be run.
*/
public function should_run_migration( $name ) {
$migration_status = $this->get_migration_status( $name );
// Check if we've attempted to run this migration in the past 10 minutes. If so, it may still be running.
if ( \array_key_exists( 'lock', $migration_status ) ) {
$timestamp = \strtotime( '-10 minutes' );
return $timestamp > $migration_status['lock'];
}
// Is the migration version less than the current version.
return \version_compare( $migration_status['version'], \WPSEO_VERSION, '<' );
}
/**
* Checks whether or not the given migration is at least the given version, defaults to checking for the latest version.
*
* @param string $name The name of the migration.
* @param string $version The version to check, defaults to the latest version.
*
* @return bool Whether or not the requested migration is at least the requested version.
*/
public function is_version( $name, $version = \WPSEO_VERSION ) {
$migration_status = $this->get_migration_status( $name );
return \version_compare( $version, $migration_status['version'], '<=' );
}
/**
* Gets the error of a given migration if it exists.
*
* @param string $name The name of the migration.
*
* @return bool|array False if there is no error, otherwise the error.
*/
public function get_error( $name ) {
$migration_status = $this->get_migration_status( $name );
if ( ! isset( $migration_status['error'] ) ) {
return false;
}
return $migration_status['error'];
}
/**
* Sets an error for the migration.
*
* @param string $name The name of the migration.
* @param string $message Message explaining the reason for the error.
*
* @return void
*/
public function set_error( $name, $message ) {
$migration_status = $this->get_migration_status( $name );
$migration_status['error'] = [
'time' => \strtotime( 'now' ),
'version' => \WPSEO_VERSION,
'message' => $message,
];
$this->set_migration_status( $name, $migration_status );
}
/**
* Updates the migration version to the latest version.
*
* @param string $name The name of the migration.
*
* @return void
*/
public function set_success( $name ) {
$migration_status = $this->get_migration_status( $name );
unset( $migration_status['lock'] );
unset( $migration_status['error'] );
$migration_status['version'] = \WPSEO_VERSION;
$this->set_migration_status( $name, $migration_status );
}
/**
* Locks the migration status.
*
* @param string $name The name of the migration.
*
* @return bool Whether or not the migration was succesfully locked.
*/
public function lock_migration( $name ) {
$migration_status = $this->get_migration_status( $name );
$migration_status['lock'] = \strtotime( 'now' );
return $this->set_migration_status( $name, $migration_status );
}
/**
* Retrieves the migration option.
*
* @param string $name The name of the migration.
*
* @return bool|array The status of the migration, false if no status exists.
*/
protected function get_migration_status( $name ) {
$current_blog_id = \get_current_blog_id();
if ( ! isset( $this->migration_options[ $current_blog_id ][ $name ] ) ) {
$migration_status = \get_option( self::MIGRATION_OPTION_KEY . $name );
if ( ! \is_array( $migration_status ) || ! isset( $migration_status['version'] ) ) {
$migration_status = [ 'version' => '0.0' ];
}
if ( ! isset( $this->migration_options[ $current_blog_id ] ) ) {
$this->migration_options[ $current_blog_id ] = [];
}
$this->migration_options[ $current_blog_id ][ $name ] = $migration_status;
}
return $this->migration_options[ $current_blog_id ][ $name ];
}
/**
* Retrieves the migration option.
*
* @param string $name The name of the migration.
* @param array $migration_status The migration status.
*
* @return bool True if the status was succesfully updated, false otherwise.
*/
protected function set_migration_status( $name, $migration_status ) {
if ( ! \is_array( $migration_status ) || ! isset( $migration_status['version'] ) ) {
return false;
}
$current_blog_id = \get_current_blog_id();
if ( ! isset( $this->migration_options[ $current_blog_id ] ) ) {
$this->migration_options[ $current_blog_id ] = [];
}
$this->migration_options[ $current_blog_id ][ $name ] = $migration_status;
return \update_option( self::MIGRATION_OPTION_KEY . $name, $migration_status );
}
}