first commit

wp-content/plugins/elementor/core/database/base-database-updater.php

@@ -0,0 +1,54 @@
+<?php
+namespace Elementor\Core\Database;
+
+use Elementor\Core\Utils\Collection;
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit; // Exit if accessed directly.
+}
+
+abstract class Base_Database_Updater {
+	public function up( $force = false ) {
+		$installed_version = $this->get_installed_version();
+
+		if ( ! $force && $this->get_db_version() <= $installed_version ) {
+			return;
+		}
+
+		$migrations = new Collection( $this->get_migrations() );
+
+		if ( ! $force ) {
+			$migrations = $migrations->filter( function ( $_, $version ) use ( $installed_version ) {
+				return $version > $installed_version;
+			} );
+		}
+
+		$migrations->map( function ( Base_Migration $migration, $version ) {
+			$migration->up();
+
+			$this->update_db_version_option( $version );
+		} );
+
+		$this->update_db_version_option( $this->get_db_version() );
+	}
+
+	public function register() {
+		add_action( 'admin_init', function () {
+			$this->up();
+		} );
+	}
+
+	protected function update_db_version_option( $version ) {
+		update_option( $this->get_db_version_option_name(), $version );
+	}
+
+	protected function get_installed_version() {
+		return intval( get_option( $this->get_db_version_option_name() ) );
+	}
+
+	abstract protected function get_db_version();
+
+	abstract protected function get_db_version_option_name(): string;
+
+	abstract protected function get_migrations(): array;
+}

wp-content/plugins/elementor/core/database/base-migration.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace Elementor\Core\Database;
+
+abstract class Base_Migration {
+	/**
+	 * Runs when upgrading the database
+	 *
+	 * @return void
+	 */
+	abstract public function up();
+}