1 files changed, 84 insertions, 0 deletions
diff --git a/MLEB/Translate/utils/ExternalMessageSourceStateImporter.php b/MLEB/Translate/utils/ExternalMessageSourceStateImporter.php
new file mode 100644
index 00000000..495c3fd7
--- /dev/null
+++ b/MLEB/Translate/utils/ExternalMessageSourceStateImporter.php
@@ -0,0 +1,84 @@
+<?php
+
+/**
+ * Finds external changes for file based message groups.
+ *
+ * @author Niklas Laxström
+ * @license GPL-2.0-or-later
+ * @since 2016.02
+ */
+class ExternalMessageSourceStateImporter {
+
+	public function importSafe( $changeData ) {
+		$processed = [];
+		$skipped = [];
+		$jobs = [];
+		$jobs[] = MessageIndexRebuildJob::newJob();
+
+		foreach ( $changeData as $groupId => $changesForGroup ) {
+			$group = MessageGroups::getGroup( $groupId );
+			if ( !$group ) {
+				unset( $changeData[$groupId] );
+				continue;
+			}
+
+			$processed[$groupId] = 0;
+
+			foreach ( $changesForGroup as $languageCode => $changesForLanguage ) {
+				if ( !self::isSafe( $changesForLanguage ) ) {
+					$skipped[$groupId] = true;
+					continue;
+				}
+
+				if ( !isset( $changesForLanguage['addition'] ) ) {
+					continue;
+				}
+
+				foreach ( $changesForLanguage['addition'] as $addition ) {
+					$namespace = $group->getNamespace();
+					$name = "{$addition['key']}/$languageCode";
+
+					$title = Title::makeTitleSafe( $namespace, $name );
+					if ( !$title ) {
+						wfWarn( "Invalid title for group $groupId key {$addition['key']}" );
+						continue;
+					}
+
+					$jobs[] = MessageUpdateJob::newJob( $title, $addition['content'] );
+					$processed[$groupId]++;
+				}
+
+				unset( $changeData[$groupId][$languageCode] );
+
+				$cache = new MessageGroupCache( $groupId, $languageCode );
+				$cache->create();
+			}
+		}
+
+		// Remove groups where everything was imported
+		$changeData = array_filter( $changeData );
+		// Remove groups with no imports
+		$processed = array_filter( $processed );
+
+		$name = 'unattended';
+		$file = MessageChangeStorage::getCdbPath( $name );
+		MessageChangeStorage::writeChanges( $changeData, $file );
+		JobQueueGroup::singleton()->push( $jobs );
+
+		return [
+			'processed' => $processed,
+			'skipped' => $skipped,
+			'name' => $name,
+		];
+	}
+
+	protected static function isSafe( array $changesForLanguage ) {
+		foreach ( array_keys( $changesForLanguage ) as $changeType ) {
+			if ( $changeType !== 'addition' ) {
+				return false;
+			}
+		}
+
+		return true;
+	}
+}