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<?php
/**
* Translation aid provider.
*
* @file
* @author Niklas Laxström
* @copyright Copyright © 2012-2013, Niklas Laxström
* @license GPL-2.0-or-later
*/
/**
* Translation aid which gives the message definition.
* This usually matches the content of the page ns:key/source_language.
*
* @ingroup TranslationAids
* @since 2013-01-01
*/
class UpdatedDefinitionAid extends TranslationAid {
public function getData() {
$db = TranslateUtils::getSafeReadDB();
$conds = [
'rt_page' => $this->handle->getTitle()->getArticleID(),
'rt_type' => RevTag::getType( 'tp:transver' ),
];
$options = [
'ORDER BY' => 'rt_revision DESC',
];
$translationRevision = $db->selectField( 'revtag', 'rt_value', $conds, __METHOD__, $options );
if ( $translationRevision === false ) {
throw new TranslationHelperException( 'No definition revision recorded' );
}
$definitionTitle = Title::makeTitleSafe(
$this->handle->getTitle()->getNamespace(),
$this->handle->getKey() . '/' . $this->group->getSourceLanguage()
);
if ( !$definitionTitle || !$definitionTitle->exists() ) {
throw new TranslationHelperException( 'Definition page does not exist' );
}
// Using newFromId instead of newFromTitle, because the page might have been renamed
$oldrev = Revision::newFromId( $translationRevision );
if ( !$oldrev ) {
throw new TranslationHelperException( 'Old definition version does not exist anymore' );
}
$oldContent = $oldrev->getContent();
$newContent = $this->dataProvider->getDefinitionContent();
if ( !$oldContent ) {
throw new TranslationHelperException( 'Old definition version does not exist anymore' );
}
if ( !$oldContent instanceof WikitextContent || !$newContent instanceof WikitextContent ) {
throw new TranslationHelperException( 'Can only work on Wikitext content' );
}
if ( $oldContent->equals( $newContent ) ) {
throw new TranslationHelperException( 'No changes' );
}
$diff = new DifferenceEngine( $this->context );
$diff->setTextLanguage( wfGetLangObj( $this->group->getSourceLanguage() ) );
$diff->setContent( $oldContent, $newContent );
$diff->setReducedLineNumbers();
$diff->showDiffStyle();
$html = $diff->getDiff(
$this->context->msg( 'tpt-diff-old' )->escaped(),
$this->context->msg( 'tpt-diff-new' )->escaped()
);
return [
'value_old' => $oldContent->getNativeData(),
'value_new' => $newContent->getNativeData(),
'revisionid_old' => $oldrev->getId(),
'revisionid_new' => $definitionTitle->getLatestRevID(),
'language' => $this->group->getSourceLanguage(),
'html' => $html,
];
}
}
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