first commit

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

@@ -0,0 +1,36 @@
+<?php
+
+
+namespace WPML\Media\Setup\Endpoint;
+
+use WPML\Ajax\IHandler;
+use WPML\Collect\Support\Collection;
+
+use WPML\Utilities\KeyedLock;
+
+use WPML\FP\Left;
+use WPML\FP\Right;
+
+use function WPML\Container\make;
+
+class PrepareSetup implements IHandler {
+	const LOCK_RELEASE_TIMEOUT = 2 * MINUTE_IN_SECONDS;
+
+	public function run( Collection $data ) {
+		if (  !defined( 'WPML_MEDIA_VERSION' ) || !class_exists( 'WPML_Media_Set_Posts_Media_Flag_Factory' ) ) {
+			return Left::of( [ 'key' => false ] );
+		}
+
+		$lock = make( KeyedLock::class, [ ':name' => self::class ] );
+		$key  = $lock->create( $data->get( 'key' ), self::LOCK_RELEASE_TIMEOUT );
+
+		if ( $key ) {
+			$mediaFlag = make( \WPML_Media_Set_Posts_Media_Flag_Factory::class)->create();
+			$mediaFlag->clear_flags();
+
+			return Right::of( [ 'key' => $key, ] );
+		} else {
+			return Left::of( [ 'key' => 'in-use', ] );
+		}
+	}
+}