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<?php
// Do not allow directly accessing this file.
if ( ! defined( 'ABSPATH' ) ) {
exit( 'Direct script access denied.' );
}
/**
* The Avada_Upgrade_Version is meant to be extended
* by version-specific upgrade classes.
*
* @since 5.0.0
*/
abstract class Avada_Upgrade_Abstract {
/**
* The version.
*
* @access protected
* @since 5.0.0
* @var string
*/
protected $version = '';
/**
* An array of all avada options.
*
* @access protected
* @var array
*/
protected $avada_options;
/**
* The theme version as stored in the db.
*
* @access protected
* @var string
*/
protected $database_theme_version;
/**
* The class constructor.
*
* @access public
*/
public function __construct() {
// Set the database_theme_version.
$this->database_theme_version = get_option( 'avada_version', true );
// If the setting is not set, then set to current version.
if ( ! $this->database_theme_version ) {
$this->database_theme_version = Avada::get_theme_version();
}
if ( is_array( $this->database_theme_version ) ) {
$this->database_theme_version = end( $this->database_theme_version );
}
// Make sure the version saved in the db is properly formatted.
$this->database_theme_version = Avada_Helper::normalize_version( $this->database_theme_version );
// Make sure the current version is properly formatted.
$this->version = Avada_Helper::normalize_version( $this->version );
// Set the options.
$this->avada_options = get_option( Avada::get_option_name(), array() );
// Trigger the migration.
$this->migration_process();
// Set the version.
$this->update_version();
}
/**
* Updates the version.
*
* @access protected
* @since 5.0.0
*/
protected function update_version() {
// Only update the version in the db when in the dashboard.
if ( ! is_admin() ) {
return;
}
// Do not update the version in the db
// if the current version is greater than the one we're updating to.
if ( ! $this->database_theme_version || empty( $this->database_theme_version ) ) {
return;
}
if ( version_compare( $this->database_theme_version, $this->version, '>=' ) ) {
return;
}
update_option( 'avada_version', $this->version );
}
/**
* The actual migration process.
* Empty on the parent class, meant to be overriden in version-specific classes.
*
* @access protected
* @since 5.0.0
*/
abstract protected function migration_process();
}