backport: split upgrade logic from ajax file

Conflicts:
	core/ajax/update.php
	lib/updater.php

1 files changed, 27 insertions, 101 deletions

diff --git a/core/ajax/update.php b/core/ajax/update.php
index 2b9275dabd5..43ed75b07f1 100644
--- a/core/ajax/update.php
+++ b/core/ajax/update.php
@@ -4,108 +4,34 @@ $RUNTIME_NOAPPS = true;
 require_once '../../lib/base.php';
 
 if (OC::checkUpgrade(false)) {
-	\OC_DB::enableCaching(false);
-
-	// initialize the event source before we enter maintenance mode because CSRF protection can terminate the script
-	$updateEventSource = new OC_EventSource();
-	OC_Config::setValue('maintenance', true);
-	$installedVersion = OC_Config::getValue('version', '0.0.0');
-	$currentVersion = implode('.', OC_Util::getVersion());
-	OC_Log::write('core', 'starting upgrade from ' . $installedVersion . ' to ' . $currentVersion, OC_Log::WARN);
-	$watcher = new UpdateWatcher($updateEventSource);
-	OC_Hook::connect('update', 'success', $watcher, 'success');
-	OC_Hook::connect('update', 'failure', $watcher, 'failure');
-	$watcher->success('Turned on maintenance mode');
-	try {
-		$result = OC_DB::updateDbFromStructure(OC::$SERVERROOT.'/db_structure.xml');
-		$watcher->success('Updated database');
-
-		// do a file cache upgrade for users with files
-		// this can take loooooooooooooooooooooooong
-		__doFileCacheUpgrade($watcher);
-	} catch (Exception $exception) {
-		$watcher->failure($exception->getMessage());
-	}
-	OC_Config::setValue('version', implode('.', OC_Util::getVersion()));
-	OC_App::checkAppsRequirements();
-	// load all apps to also upgrade enabled apps
-	OC_App::loadApps();
-	OC_Config::setValue('maintenance', false);
-	$watcher->success('Turned off maintenance mode');
-	$watcher->done();
-}
-
-/**
- * The FileCache Upgrade routine
- *
- * @param UpdateWatcher $watcher
- */
-function __doFileCacheUpgrade($watcher) {
-	try {
-		$query = \OC_DB::prepare('
-			SELECT DISTINCT `user`
-			FROM `*PREFIX*fscache`
-		');
-		$result = $query->execute();
-	} catch (\Exception $e) {
-		return;
-	}
-	$users = $result->fetchAll();
-	if(count($users) == 0) {
-		return;
-	}
-	$step = 100 / count($users);
-	$percentCompleted = 0;
-	$lastPercentCompletedOutput = 0;
-	$startInfoShown = false;
-	foreach($users as $userRow) {
-		$user = $userRow['user'];
-		\OC\Files\Filesystem::initMountPoints($user);
-		\OC\Files\Cache\Upgrade::doSilentUpgrade($user);
-		if(!$startInfoShown) {
-			//We show it only now, because otherwise Info about upgraded apps
-			//will appear between this and progress info
-			$watcher->success('Updating filecache, this may take really long...');
-			$startInfoShown = true;
-		}
-		$percentCompleted += $step;
-		$out = floor($percentCompleted);
-		if($out != $lastPercentCompletedOutput) {
-			$watcher->success('... '. $out.'% done ...');
-			$lastPercentCompletedOutput = $out;
-		}
-	}
-	$watcher->success('Updated filecache');
-}
-
-class UpdateWatcher {
-	/**
-	 * @var \OC_EventSource $eventSource;
-	 */
-	private $eventSource;
-
-	public function __construct($eventSource) {
-		$this->eventSource = $eventSource;
-	}
-
-	public function success($message) {
-		OC_Util::obEnd();
-		$this->eventSource->send('success', $message);
-		ob_start();
-	}
-
-	public function failure($message) {
-		OC_Util::obEnd();
-		$this->eventSource->send('failure', $message);
-		$this->eventSource->close();
+	$eventSource = new OC_EventSource();
+	$updater = new \OC\Updater(\OC_Log::$object);
+	$updater->listen('\OC\Updater', 'maintenanceStart', function () use ($eventSource) {
+		$eventSource->send('success', 'Turned on maintenance mode');
+	});
+	$updater->listen('\OC\Updater', 'maintenanceEnd', function () use ($eventSource) {
+		$eventSource->send('success', 'Turned off maintenance mode');
+	});
+	$updater->listen('\OC\Updater', 'dbUpgrade', function () use ($eventSource) {
+		$eventSource->send('success', 'Updated database');
+	});
+	$updater->listen('\OC\Updater', 'filecacheStart', function () use ($eventSource) {
+		$eventSource->send('success', 'Updating filecache, this may take really long...');
+	});
+	$updater->listen('\OC\Updater', 'filecacheDone', function () use ($eventSource) {
+		$eventSource->send('success', 'Updated filecache');
+	});
+	$updater->listen('\OC\Updater', 'filecacheProgress', function ($out) use ($eventSource) {
+		$eventSource->send('success', '... ' . $out . '% done ...');
+	});
+	$updater->listen('\OC\Updater', 'failure', function ($message) use ($eventSource) {
+		$eventSource->send('failure', $message);
+		$eventSource->close();
 		OC_Config::setValue('maintenance', false);
-		die();
-	}
+	});
 
-	public function done() {
-		OC_Util::obEnd();
-		$this->eventSource->send('done', '');
-		$this->eventSource->close();
-	}
+	$updater->upgrade();
 
+	$eventSource->send('done', '');
+	$eventSource->close();
 }