From 0346167bb2ab3c26fed26415470d52c21110d70e Mon Sep 17 00:00:00 2001
From: Bjoern Schiessle <schiessle@owncloud.com>
Date: Mon, 7 Oct 2013 10:59:09 +0200
Subject: [PATCH] clean up oc_share table from files which are no longer exists

---
 apps/files_sharing/appinfo/update.php | 22 ++++++++++++++++------
 apps/files_sharing/appinfo/version    |  2 +-
 2 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/apps/files_sharing/appinfo/update.php b/apps/files_sharing/appinfo/update.php
index 48e41e93048..bc33dd40437 100644
--- a/apps/files_sharing/appinfo/update.php
+++ b/apps/files_sharing/appinfo/update.php
@@ -68,11 +68,21 @@ if (version_compare($installedVersion, '0.3', '<')) {
 // 	$query = OCP\DB::prepare('DROP TABLE `*PREFIX*sharing`');
 // 	$query->execute();
 }
-if (version_compare($installedVersion, '0.3.3', '<')) {
-	OC_User::useBackend(new OC_User_Database());
-	OC_App::loadApps(array('authentication'));
-	$users = OC_User::getUsers();
-	foreach ($users as $user) {
-//		OC_FileCache::delete('Shared', '/'.$user.'/files/');
+
+// clean up oc_share table from files which are no longer exists
+if (version_compare($installedVersion, '0.3.4', '<')) {
+
+	// get all shares where the original file no longer exists
+	$findShares = \OC_DB::prepare('SELECT `file_source` FROM `*PREFIX*share` LEFT JOIN `*PREFIX*filecache` ON `file_source` = `*PREFIX*filecache`.`fileid` WHERE `*PREFIX*filecache`.`fileid` IS NULL');
+	$sharesFound = $findShares->execute(array())->fetchAll();
+
+	// delete those shares from the oc_share table
+	if (is_array($sharesFound) && !empty($sharesFound)) {
+		$delArray = array();
+		foreach ($sharesFound as $share) {
+			$delArray[] = $share['file_source'];
+		}
+		$removeShares = \OC_DB::prepare('DELETE FROM `*PREFIX*share` WHERE `file_source` IN (?)');
+		$result = $removeShares->execute(array(implode(',', $delArray)));
 	}
 }
diff --git a/apps/files_sharing/appinfo/version b/apps/files_sharing/appinfo/version
index 87a0871112f..448a0fa11cd 100644
--- a/apps/files_sharing/appinfo/version
+++ b/apps/files_sharing/appinfo/version
@@ -1 +1 @@
-0.3.3
\ No newline at end of file
+0.3.4
\ No newline at end of file
-- 
2.39.5