Make $userId mandatory for searchByTags

$userId is now a mandatory parameter for searchByTags.

Also fixed some places in the code where the argument was missing (Node
API and View)

apps/files_sharing/lib/cache.php

@@ -351,7 +351,7 @@ class Shared_Cache extends Cache {
 	 * @param string $userId owner of the tags
 	 * @return array file data
 	 */
-	public function searchByTag($tag, $userId = null) {
+	public function searchByTag($tag, $userId) {
 		// TODO: inject this
 		$tagger = \OC::$server->getTagManager()->load('files', null, null, $userId);
 		$result = array();

apps/files_sharing/tests/cache.php

@@ -208,17 +208,18 @@ class Test_Files_Sharing_Cache extends TestCase {
 	 * Test searching by tag
 	 */
 	function testSearchByTag() {
+		$userId = \OC::$server->getUserSession()->getUser()->getUId();
 		$id1 = $this->sharedCache->get('bar.txt')['fileid'];
 		$id2 = $this->sharedCache->get('subdir/another too.txt')['fileid'];
 		$id3 = $this->sharedCache->get('subdir/not a text file.xml')['fileid'];
 		$id4 = $this->sharedCache->get('subdir/another.txt')['fileid'];
-		$tagManager = \OC::$server->getTagManager()->load('files');
+		$tagManager = \OC::$server->getTagManager()->load('files', null, null, $userId);
 		$tagManager->tagAs($id1, 'tag1');
 		$tagManager->tagAs($id1, 'tag2');
 		$tagManager->tagAs($id2, 'tag1');
 		$tagManager->tagAs($id3, 'tag1');
 		$tagManager->tagAs($id4, 'tag2');
-		$results = $this->sharedStorage->getCache()->searchByTag('tag1');
+		$results = $this->sharedStorage->getCache()->searchByTag('tag1', $userId);
 		$check = array(
 				array(
 					'name' => 'bar.txt',

lib/private/files/cache/cache.php

@@ -512,10 +512,7 @@ class Cache {
 	 * @param string $userId owner of the tags
 	 * @return array file data
 	 */
-	public function searchByTag($tag, $userId = null) {
-		if (is_null($userId)) {
-			$userId = \OC::$server->getUserSession()->getUser()->getUID(); 
-		}
+	public function searchByTag($tag, $userId) {
 		$sql = 'SELECT `fileid`, `storage`, `path`, `parent`, `name`, ' .
 			'`mimetype`, `mimepart`, `size`, `mtime`, ' .
 			'`encrypted`, `unencrypted_size`, `etag`, `permissions` ' .

lib/private/files/cache/wrapper/cachewrapper.php

@@ -187,7 +187,7 @@ class CacheWrapper extends Cache {
 	 * @param string $userId owner of the tags
 	 * @return array file data
 	 */
-	public function searchByTag($tag, $userId = null) {
+	public function searchByTag($tag, $userId) {
 		$results = $this->cache->searchByTag($tag, $userId);
 		return array_map(array($this, 'formatCacheEntry'), $results);
 	}

lib/private/files/filesystem.php

@@ -688,10 +688,11 @@ class Filesystem {
 
 	/**
 	 * @param string|int $tag name or tag id
+	 * @param string $userId owner of the tags
 	 * @return FileInfo[] array or file info
 	 */
-	static public function searchByTag($tag) {
-		return self::$defaultInstance->searchByTag($tag);
+	static public function searchByTag($tag, $userId) {
+		return self::$defaultInstance->searchByTag($tag, $userId);
 	}
 
 	/**

lib/private/files/node/folder.php

@@ -223,7 +223,7 @@ class Folder extends Node implements \OCP\Files\Folder {
 	 * @return \OC\Files\Node\Node[]
 	 */
 	public function search($query) {
-		return $this->searchCommon('%' . $query . '%', 'search');
+		return $this->searchCommon('search', array('%' . $query . '%'));
 	}
 
 	/**
@@ -233,25 +233,26 @@ class Folder extends Node implements \OCP\Files\Folder {
 	 * @return Node[]
 	 */
 	public function searchByMime($mimetype) {
-		return $this->searchCommon($mimetype, 'searchByMime');
+		return $this->searchCommon('searchByMime', array($mimetype));
 	}
 
 	/**
 	 * search for files by tag
 	 *
-	 * @param string $tag
+	 * @param string|int $tag name or tag id
+	 * @param string $userId owner of the tags
 	 * @return Node[]
 	 */
-	public function searchByTag($tag) {
-		return $this->searchCommon($tag, 'searchByTag');
+	public function searchByTag($tag, $userId) {
+		return $this->searchCommon('searchByTag', array($tag, $userId));
 	}
 
 	/**
-	 * @param string $query
-	 * @param string $method
+	 * @param string $method cache method
+	 * @param array $args call args
 	 * @return \OC\Files\Node\Node[]
 	 */
-	private function searchCommon($query, $method) {
+	private function searchCommon($method, $args) {
 		$files = array();
 		$rootLength = strlen($this->path);
 		/**
@@ -262,7 +263,7 @@ class Folder extends Node implements \OCP\Files\Folder {
 
 		$cache = $storage->getCache('');
 
-		$results = $cache->$method($query);
+		$results = call_user_func_array(array($cache, $method), $args);
 		foreach ($results as $result) {
 			if ($internalRootLength === 0 or substr($result['path'], 0, $internalRootLength) === $internalPath) {
 				$result['internalPath'] = $result['path'];
@@ -279,7 +280,7 @@ class Folder extends Node implements \OCP\Files\Folder {
 				$cache = $storage->getCache('');
 
 				$relativeMountPoint = substr($mount->getMountPoint(), $rootLength);
-				$results = $cache->$method($query);
+				$results = call_user_func_array(array($cache, $method), $args);
 				foreach ($results as $result) {
 					$result['internalPath'] = $result['path'];
 					$result['path'] = $relativeMountPoint . $result['path'];

lib/private/files/node/nonexistingfolder.php

@@ -99,7 +99,7 @@ class NonExistingFolder extends Folder {
 		throw new NotFoundException();
 	}
 
-	public function searchByTag($mime) {
+	public function searchByTag($tag, $userId) {
 		throw new NotFoundException();
 	}
 

lib/private/files/view.php

@@ -1111,7 +1111,7 @@ class View {
 	 * @return FileInfo[]
 	 */
 	public function search($query) {
-		return $this->searchCommon('%' . $query . '%', 'search');
+		return $this->searchCommon('search', array('%' . $query . '%'));
 	}
 
 	/**
@@ -1121,7 +1121,7 @@ class View {
 	 * @return FileInfo[]
 	 */
 	public function searchRaw($query) {
-		return $this->searchCommon($query, 'search');
+		return $this->searchCommon('search', array($query));
 	}
 
 	/**
@@ -1131,25 +1131,26 @@ class View {
 	 * @return FileInfo[]
 	 */
 	public function searchByMime($mimetype) {
-		return $this->searchCommon($mimetype, 'searchByMime');
+		return $this->searchCommon('searchByMime', array($mimetype));
 	}
 
 	/**
 	 * search for files by tag
 	 *
 	 * @param string|int $tag name or tag id
+	 * @param string $userId owner of the tags
 	 * @return FileInfo[]
 	 */
-	public function searchByTag($tag) {
-		return $this->searchCommon($tag, 'searchByTag');
+	public function searchByTag($tag, $userId) {
+		return $this->searchCommon('searchByTag', array($tag, $userId));
 	}
 
 	/**
-	 * @param string $query
-	 * @param string $method
+	 * @param string $method cache method
+	 * @param array $args
 	 * @return FileInfo[]
 	 */
-	private function searchCommon($query, $method) {
+	private function searchCommon($method, $args) {
 		$files = array();
 		$rootLength = strlen($this->fakeRoot);
 
@@ -1158,7 +1159,7 @@ class View {
 		if ($storage) {
 			$cache = $storage->getCache('');
 
-			$results = $cache->$method($query);
+			$results = call_user_func_array(array($cache, $method), $args);
 			foreach ($results as $result) {
 				if (substr($mountPoint . $result['path'], 0, $rootLength + 1) === $this->fakeRoot . '/') {
 					$internalPath = $result['path'];
@@ -1175,7 +1176,7 @@ class View {
 					$cache = $storage->getCache('');
 
 					$relativeMountPoint = substr($mountPoint, $rootLength);
-					$results = $cache->$method($query);
+					$results = call_user_func_array(array($cache, $method), $args);
 					if ($results) {
 						foreach ($results as $result) {
 							$internalPath = $result['path'];

lib/public/files/folder.php

@@ -120,9 +120,10 @@ interface Folder extends Node {
 	 * search for files by tag
 	 *
 	 * @param string|int $tag tag name or tag id
+	 * @param string $userId owner of the tags
 	 * @return \OCP\Files\Node[]
 	 */
-	public function searchByTag($tag);
+	public function searchByTag($tag, $userId);
 
 	/**
 	 * get a file or folder inside the folder by it's internal id

tests/lib/files/node/folder.php

@@ -405,6 +405,45 @@ class Folder extends \Test\TestCase {
 		$this->assertEquals('/bar/foo/qwerty', $result[0]->getPath());
 	}
 
+	public function testSearchByTag() {
+		$manager = $this->getMock('\OC\Files\Mount\Manager');
+		/**
+		 * @var \OC\Files\View | \PHPUnit_Framework_MockObject_MockObject $view
+		 */
+		$view = $this->getMock('\OC\Files\View');
+		$root = $this->getMock('\OC\Files\Node\Root', array(), array($manager, $view, $this->user));
+		$root->expects($this->any())
+			->method('getUser')
+			->will($this->returnValue($this->user));
+		$storage = $this->getMock('\OC\Files\Storage\Storage');
+		$cache = $this->getMock('\OC\Files\Cache\Cache', array(), array(''));
+
+		$storage->expects($this->once())
+			->method('getCache')
+			->will($this->returnValue($cache));
+
+		$cache->expects($this->once())
+			->method('searchByTag')
+			->with('tag1', 'user1')
+			->will($this->returnValue(array(
+				array('fileid' => 3, 'path' => 'foo/qwerty', 'name' => 'qwerty', 'size' => 200, 'mtime' => 55, 'mimetype' => 'text/plain')
+			)));
+
+		$root->expects($this->once())
+			->method('getMountsIn')
+			->with('/bar/foo')
+			->will($this->returnValue(array()));
+
+		$view->expects($this->once())
+			->method('resolvePath')
+			->will($this->returnValue(array($storage, 'foo')));
+
+		$node = new \OC\Files\Node\Folder($root, $view, '/bar/foo');
+		$result = $node->searchByTag('tag1', 'user1');
+		$this->assertEquals(1, count($result));
+		$this->assertEquals('/bar/foo/qwerty', $result[0]->getPath());
+	}
+
 	public function testSearchSubStorages() {
 		$manager = $this->getMock('\OC\Files\Mount\Manager');
 		/**