1 files changed, 84 insertions, 0 deletions
diff --git a/www/wiki/extensions/Translate/translationaids/UpdatedDefinitionAid.php b/www/wiki/extensions/Translate/translationaids/UpdatedDefinitionAid.php
new file mode 100644
index 00000000..42ece6b6
--- /dev/null
+++ b/www/wiki/extensions/Translate/translationaids/UpdatedDefinitionAid.php
@@ -0,0 +1,84 @@
+<?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,
+		];
+	}
+}