first commit

wp-content/plugins/sitepress-multilingual-cms/classes/setup/endpoints/CurrentStep.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace WPML\Setup\Endpoint;
+
+use WPML\Ajax\IHandler;
+use WPML\Collect\Support\Collection;
+use WPML\FP\Either;
+use WPML\FP\Fns;
+use WPML\FP\Logic;
+use WPML\FP\Lst;
+use WPML\FP\Obj;
+use WPML\FP\Relation;
+use WPML\Setup\Option;
+
+class CurrentStep implements IHandler {
+
+	const STEPS = [ 'languages', 'address', 'license', 'translation', 'support', 'plugins', 'finished' ];
+
+	public function run( Collection $data ) {
+		$isValid = Logic::allPass( [
+			Lst::includes( Fns::__, self::STEPS ),
+			Logic::ifElse(
+				Relation::equals( 'languages' ),
+				Fns::identity(),
+				Fns::always( ! empty( Option::getTranslationLangs() ) )
+			),
+		] );
+
+		return Either::fromNullable( Obj::prop( 'currentStep', $data ) )
+		             ->filter( $isValid )
+		             ->map( [ Option::class, 'saveCurrentStep' ] );
+	}
+
+}