1 files changed, 17 insertions, 4 deletions
diff --git a/engine/classes/ElggFile.php b/engine/classes/ElggFile.php
index f21621ffd..23080834b 100644
--- a/engine/classes/ElggFile.php
+++ b/engine/classes/ElggFile.php
@@ -93,6 +93,7 @@ class ElggFile extends ElggObject {
 			$container_guid = $this->container_guid;
 		}
 		$fs = $this->getFilestore();
+		// @todo add getSize() to ElggFilestore
 		return $fs->getSize($prefix, $container_guid);
 	}
 
@@ -127,9 +128,11 @@ class ElggFile extends ElggObject {
 	 * @param mixed $default A default. Useful to pass what the browser thinks it is.
 	 * @since 1.7.12
 	 *
+	 * @note If $file is provided, this may be called statically
+	 *
 	 * @return mixed Detected type on success, false on failure.
 	 */
-	static function detectMimeType($file = null, $default = null) {
+	public function detectMimeType($file = null, $default = null) {
 		if (!$file) {
 			if (isset($this) && $this->filename) {
 				$file = $this->filename;
@@ -178,6 +181,8 @@ class ElggFile extends ElggObject {
 	 * @param string $mode Either read/write/append
 	 *
 	 * @return resource File handler
+	 *
+	 * @throws IOException|InvalidParameterException
 	 */
 	public function open($mode) {
 		if (!$this->getFilename()) {
@@ -270,9 +275,14 @@ class ElggFile extends ElggObject {
 	 */
 	public function delete() {
 		$fs = $this->getFilestore();
-		if ($fs->delete($this)) {
-			return parent::delete();
+		
+		$result = $fs->delete($this);
+		
+		if ($this->getGUID() && $result) {
+			$result = parent::delete();
 		}
+		
+		return $result;
 	}
 
 	/**
@@ -285,6 +295,7 @@ class ElggFile extends ElggObject {
 	public function seek($position) {
 		$fs = $this->getFilestore();
 
+		// @todo add seek() to ElggFilestore
 		return $fs->seek($this->handle, $position);
 	}
 
@@ -347,6 +358,8 @@ class ElggFile extends ElggObject {
 	 * a filestore as recorded in metadata or the system default.
 	 *
 	 * @return ElggFilestore
+	 *
+	 * @throws ClassNotFoundException
 	 */
 	protected function getFilestore() {
 		// Short circuit if already set.
@@ -359,7 +372,6 @@ class ElggFile extends ElggObject {
 		// need to get all filestore::* metadata because the rest are "parameters" that
 		// get passed to filestore::setParameters()
 		if ($this->guid) {
-			$db_prefix = elgg_get_config('dbprefix');
 			$options = array(
 				'guid' => $this->guid,
 				'where' => array("n.string LIKE 'filestore::%'"),
@@ -388,6 +400,7 @@ class ElggFile extends ElggObject {
 
 			$this->filestore = new $filestore();
 			$this->filestore->setParameters($parameters);
+			// @todo explain why $parameters will always be set here (PhpStorm complains)
 		}
 
 		// this means the entity hasn't been saved so fallback to default