use own constructor interface for StandardFile, fixes #1280

Closes #1280

Merge request studip/studip!784

lib/filesystem/FileType.php

@@ -2,14 +2,6 @@
 
 interface FileType
 {
-    /**
-     * StandardFile constructor.
-     * @param $fileref
-     * @param null $file : (optional) Is set if fileref and file are both new and not connected with
-     *                     each other in the database.
-     */
-    public function __construct($fileref, $file = null);
-
     /**
      * Returns the name of the icon shape that shall be used with the FileType implementation.
      *

lib/filesystem/StandardFile.php

@@ -12,7 +12,7 @@
  * @license   http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
  * @category  Stud.IP
  */
-class StandardFile implements FileType, ArrayAccess
+class StandardFile implements FileType, ArrayAccess, StandardFileInterface
 {
 
     /**

lib/filesystem/StandardFileInterface.php

+<?php
+interface StandardFileInterface
+{
+    /**
+     * StandardFile constructor.
+     * @param $fileref
+     * @param null $file : (optional) Is set if fileref and file are both new and not connected with
+     *                     each other in the database.
+     */
+    public function __construct($fileref, $file = null);
+}

lib/filesystem/UnknownFileType.php

@@ -20,7 +20,7 @@ class UnknownFileType implements FileType, ArrayAccess
      */
     protected $fileref = null;
 
-    public function __construct($fileref = null, $file = null)
+    public function __construct($fileref = null)
     {
         $this->fileref = $fileref;
     }