Added UploadedMarkableInterface on AbstactStorableFile

To help indicate the setUploaded() method

src/Contracts/Storage/UploadedMarkableInterface.php

@@ -0,0 +1,14 @@
+<?php
+namespace Czim\FileHandling\Contracts\Storage;
+
+interface UploadedMarkableInterface
+{
+
+    /**
+     * Marks the file as having been uploaded (or not).
+     *
+     * @param bool $uploaded
+     */
+    public function setUploaded($uploaded = true);
+
+}

src/Storage/File/AbstractStorableFile.php

@@ -2,8 +2,9 @@
 namespace Czim\FileHandling\Storage\File;
 
 use Czim\FileHandling\Contracts\Storage\StorableFileInterface;
+use Czim\FileHandling\Contracts\Storage\UploadedMarkableInterface;
 
-abstract class AbstractStorableFile implements StorableFileInterface
+abstract class AbstractStorableFile implements StorableFileInterface, UploadedMarkableInterface
 {
 
     /**

src/Storage/File/StorableFileFactory.php

@@ -274,12 +274,12 @@ public function makeFromRawData($data, $name = null, $mimeType = null)
     }
 
     /**
-     * @param AbstractStorableFile $file
-     * @return AbstractStorableFile
+     * @param StorableFileInterface|UploadedMarkableInterface $file
+     * @return StorableFileInterface
      */
-    protected function getReturnPreparedFile(AbstractStorableFile $file)
+    protected function getReturnPreparedFile(StorableFileInterface $file)
     {
-        if ($this->markNextUploaded) {
+        if ($this->markNextUploaded && $file instanceof UploadedMarkableInterface) {
             $file->setUploaded();
             $this->markNextUploaded = false;
         }