first commit

wp-content/plugins/sitepress-multilingual-cms/classes/ajax/Factory.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace WPML\Ajax;
+
+use WPML\Collect\Support\Collection;
+use WPML\FP\Either;
+use WPML\FP\Fns;
+use WPML\FP\Json;
+use WPML\FP\Logic;
+use WPML\FP\Lst;
+use WPML\FP\Maybe;
+use WPML\FP\System\System;
+use WPML\LIB\WP\Hooks;
+use WPML\LIB\WP\Nonce;
+use function WPML\Container\execute;
+use function WPML\Container\make;
+use function WPML\FP\pipe;
+use function WPML\FP\System\getFilterFor as filter;
+use function WPML\FP\System\getValidatorFor as validate;
+
+class Factory implements \IWPML_AJAX_Action {
+
+	public function add_hooks() {
+		// :: Collection -> Collection
+		$filterEndPoint = filter( 'endpoint' )->using( 'wp_unslash' );
+
+		// :: Collection -> Collection
+		$decodeData = filter( 'data' )->using( Json::toCollection() )->defaultTo( 'wpml_collect' );
+
+		// :: Collection -> Either::Left( string ) | Either::Right( Collection )
+		$validateData = validate( 'data' )->using( Logic::isNotNull() )->error( 'Invalid json data' );
+
+		// $handleRequest :: Collection -> Either::Left(string) | Either::Right(mixed)
+		$handleRequest = function ( Collection $postData ) {
+			try {
+				return Maybe::of( $postData->get( 'endpoint' ) )
+				            ->map( pipe( make(), Lst::makePair( Fns::__, 'run' ) ) )
+				            ->map( execute( Fns::__, [ ':data' => $postData->get( 'data' ) ] ) )
+				            ->getOrElse( Either::left( 'End point not found' ) );
+			} catch ( \Exception $e ) {
+				return Either::left( $e->getMessage() );
+			}
+		};
+
+		Hooks::onAction( 'wp_ajax_wpml_action' )
+		     ->then( System::getPostData() ) // Either::right(Collection)
+		     ->then( $filterEndPoint )
+		     ->then( Nonce::verifyEndPoint() )
+		     ->then( $decodeData )
+		     ->then( $validateData )
+		     ->then( $handleRequest )
+		     ->then( 'wp_send_json_success' )
+		     ->onError( 'wp_send_json_error' );
+	}
+}