1 files changed, 86 insertions, 0 deletions
diff --git a/MLEB/Translate/translationaids/UpdatedDefinitionAid.php b/MLEB/Translate/translationaids/UpdatedDefinitionAid.php
new file mode 100644
index 00000000..0b918f40
--- /dev/null
+++ b/MLEB/Translate/translationaids/UpdatedDefinitionAid.php
@@ -0,0 +1,86 @@
+<?php
+/**
+ * Translation aid provider.
+ *
+ * @file
+ * @author Niklas Laxström
+ * @copyright Copyright © 2012-2013, Niklas Laxström
+ * @license GPL-2.0+
+ */
+
+/**
+ * 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 = wfGetDB( DB_MASTER );
+		$conds = array(
+			'rt_page' => $this->handle->getTitle()->getArticleID(),
+			'rt_type' => RevTag::getType( 'tp:transver' ),
+		);
+		$options = array(
+			'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 doesn't 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 doesn't exist anymore" );
+		}
+
+		$oldContent = $oldrev->getContent();
+		$newContent = $this->getDefinitionContent();
+
+		if ( !$oldContent ) {
+			throw new TranslationHelperException( "Old definition version doesn't 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 );
+		if ( method_exists( 'DifferenceEngine', 'setTextLanguage' ) ) {
+			$diff->setTextLanguage( $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 array(
+			'value_old' => $oldContent->getNativeData(),
+			'value_new' => $newContent->getNativeData(),
+			'revisionid_old' => $oldrev->getId(),
+			'revisionid_new' => $definitionTitle->getLatestRevId(),
+			'language' => $this->group->getSourceLanguage(),
+			'html' => $html,
+		);
+	}
+}