CheckTranslationActionApi.php

<?php
declare( strict_types = 1 );
 
namespace MediaWiki\Extension\Translate\Validation;
 
use ApiBase;
use MediaWiki\Extension\Translate\MessageLoading\FatMessage;
use MessageHandle;
use Title;
use Wikimedia\ParamValidator\ParamValidator;
 
class CheckTranslationActionApi extends ApiBase {
    public function execute(): void {
        $params = $this->extractRequestParams();
 
        $title = Title::newFromText( $params[ 'title' ] );
        if ( !$title ) {
            $this->dieWithError( [ 'apierror-invalidtitle', wfEscapeWikiText( $params['title'] ) ] );
        }
        $handle = new MessageHandle( $title );
        $translation = $params[ 'translation' ];
 
        $validationResult = $this->validateTranslation( $handle, $translation );
 
        $validationOutput = [ 'errors' => [], 'warnings' => [] ];
        if ( $validationResult ) {
            $validationOutput['errors'] =
                $validationResult->getDescriptiveErrors( $this->getContext() );
            $validationOutput['warnings'] =
                $validationResult->getDescriptiveWarnings( $this->getContext() );
        }
 
        $this->getResult()->addValue( null, 'validation', $validationOutput );
    }
 
    private function validateTranslation( MessageHandle $handle, string $translation ): ?ValidationResult {
        if ( $handle->isDoc() || !$handle->isValid() ) {
            return null;
        }
 
        $messageValidator = $handle->getGroup()->getValidator();
        if ( !$messageValidator ) {
            return null;
        }
 
        $definition = $this->getDefinition( $handle );
        if ( $definition === null ) {
            // Very unlikely to happen since the handle is already found to be valid
            return null;
        }
 
        $message = new FatMessage( $handle->getKey(), $definition );
        $message->setTranslation( $translation );
 
        $validationResult = $messageValidator->validateMessage( $message, $handle->getCode() );
 
        return $validationResult;
    }
 
    private function getDefinition( MessageHandle $handle ): ?string {
        $group = $handle->getGroup();
        if ( method_exists( $group, 'getMessageContent' ) ) {
            // @phan-suppress-next-line PhanUndeclaredMethod
            return $group->getMessageContent( $handle );
        } else {
            return $group->getMessage( $handle->getKey(), $group->getSourceLanguage() );
        }
    }
 
    protected function getAllowedParams(): array {
        return [
            'title' => [
                ParamValidator::PARAM_TYPE => 'string',
                ParamValidator::PARAM_REQUIRED => true,
            ],
            'translation' => [
                ParamValidator::PARAM_TYPE => 'string',
                ParamValidator::PARAM_REQUIRED => true,
            ],
        ];
    }
 
    public function isInternal(): bool {
        return true;
    }
}