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<?php
/**
* Contains a class for querying external translation service.
*
* @file
* @author Niklas Laxström
* @license GPL-2.0-or-later
*/
/**
* Implements support for Yandex translation api v1.
* @see https://tech.yandex.com/translate/
* @ingroup TranslationWebService
* @since 2013-01-01
*/
class YandexWebService extends TranslationWebService {
public function getType() {
return 'mt';
}
protected function mapCode( $code ) {
if ( $code === 'be-tarask' ) {
$code = 'be';
}
return $code;
}
protected function doPairs() {
if ( !isset( $this->config['key'] ) ) {
throw new TranslationWebServiceConfigurationException( 'API key is not set' );
}
$pairs = [];
$params = [
'key' => $this->config['key'],
];
$url = $this->config['pairs'] . '?' . wfArrayToCgi( $params );
$json = Http::get(
$url,
[ 'timeout' => $this->config['timeout'] ],
__METHOD__
);
$response = FormatJson::decode( $json );
if ( !is_object( $response ) ) {
$exception = 'Malformed reply from remote server: ' . (string)$json;
throw new TranslationWebServiceException( $exception );
}
foreach ( $response->dirs as $pair ) {
list( $source, $target ) = explode( '-', $pair );
$pairs[$source][$target] = true;
}
return $pairs;
}
protected function getQuery( $text, $from, $to ) {
if ( !isset( $this->config['key'] ) ) {
throw new TranslationWebServiceConfigurationException( 'API key is not set' );
}
# https://tech.yandex.com/translate/doc/dg/reference/translate-docpage/
if ( strlen( $text ) > 10000 ) {
throw new TranslationWebServiceInvalidInputException( 'Source text too long' );
}
$text = trim( $text );
$text = $this->wrapUntranslatable( $text );
return TranslationQuery::factory( $this->config['url'] )
->timeout( $this->config['timeout'] )
->postWithData(
[
'key' => $this->config['key'],
'text' => $text,
'lang' => "$from-$to",
'format' => 'html',
]
);
}
protected function parseResponse( TranslationQueryResponse $reply ) {
$body = $reply->getBody();
$response = FormatJson::decode( $body );
if ( !is_object( $response ) ) {
throw new TranslationWebServiceException( 'Invalid json: ' . serialize( $body ) );
} elseif ( $response->code !== 200 ) {
throw new TranslationWebServiceException( $response->message );
}
$text = Sanitizer::decodeCharReferences( $response->text[0] );
$text = $this->unwrapUntranslatable( $text );
return trim( $text );
}
}
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