Add additional naming strategy - option to replace files on upload

docs/2.1/customization.md

@@ -4,13 +4,22 @@
 
 You can resolve the upload file name creating your own class and setting in `config/filemanager.php`
 
-These class should extends `Infinety\Filemanager\Http\Services\AbstractNamingStrategy`.
+These classes should extend `Infinety\Filemanager\Http\Services\AbstractNamingStrategy`.
 
+Per default, a random text of 7 characters will be added, if the file already exists.
 
-Default class get the filename of uploaded file and check if exists. If exists add a random text of 7 characters.
+You can also use the "Replace Strategy" to replace a file when it has the same name 
 
-You can create your custom class to customize the uploaded name.
+```php
+    // config/filemanager.php
+
+    'naming'    => \Infinety\Filemanager\Http\Services\ReplaceFileNamingStrategy::class,
+```
+
+
+You can easily create your own custom class to customize the uploaded name. 
 
+This is the implementation of the Default Class:
 
 ```php
 namespace Infinety\Filemanager\Http\Services;

src/Http/Services/ReplaceFileNamingStrategy.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Infinety\Filemanager\Http\Services;
+
+use Illuminate\Http\UploadedFile;
+
+class ReplaceFileNamingStrategy extends AbstractNamingStrategy
+{
+    public function name(string $currentFolder, UploadedFile $file): string
+    {
+        $filename = $file->getClientOriginalName();
+
+        if ($this->storage->exists($currentFolder.'/'.$filename)) {
+            $this->storage->delete($currentFolder.'/'.$filename);
+        }
+
+        return $filename;
+    }
+}