Factory.php
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<?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' );
}
}