Do not include mountpoints when calculating quota usage on WebDAV

Signed-off-by: Julius Härtl <jus@bitgrid.net>

apps/dav/lib/Connector/Sabre/Directory.php

@@ -326,7 +326,8 @@ class Directory extends \OCA\DAV\Connector\Sabre\Node implements \Sabre\DAV\ICol
 			return $this->quotaInfo;
 		}
 		try {
-			$storageInfo = \OC_Helper::getStorageInfo($this->info->getPath(), $this->info);
+			$info = $this->fileView->getFileInfo($this->path, false);
+			$storageInfo = \OC_Helper::getStorageInfo($this->info->getPath(), $info);
 			if ($storageInfo['quota'] === \OCP\Files\FileInfo::SPACE_UNLIMITED) {
 				$free = \OCP\Files\FileInfo::SPACE_UNLIMITED;
 			} else {

apps/dav/tests/unit/Connector/Sabre/DirectoryTest.php

@@ -295,6 +295,10 @@ class DirectoryTest extends \Test\TestCase {
 			->method('getStorage')
 			->willReturn($storage);
 
+		$this->view->expects($this->once())
+			->method('getFileInfo')
+			->willReturn($this->info);
+
 		$dir = new Directory($this->view, $this->info);
 		$this->assertEquals([200, -3], $dir->getQuotaInfo()); //200 used, unlimited
 	}
@@ -327,6 +331,10 @@ class DirectoryTest extends \Test\TestCase {
 			->method('getStorage')
 			->willReturn($storage);
 
+		$this->view->expects($this->once())
+			->method('getFileInfo')
+			->willReturn($this->info);
+
 		$dir = new Directory($this->view, $this->info);
 		$this->assertEquals([200, 800], $dir->getQuotaInfo()); //200 used, 800 free
 	}