Adding a folder is creating hook

Modules/Media/Events/FolderIsCreating.php

+<?php
+
+namespace Modules\Media\Events;
+
+use Modules\Core\Contracts\EntityIsChanging;
+use Modules\Core\Events\AbstractEntityHook;
+
+class FolderIsCreating extends AbstractEntityHook implements EntityIsChanging
+{
+}

Modules/Media/Repositories/Eloquent/EloquentFolderRepository.php

@@ -3,6 +3,7 @@
 namespace Modules\Media\Repositories\Eloquent;
 
 use Modules\Core\Repositories\Eloquent\EloquentBaseRepository;
+use Modules\Media\Events\FolderIsCreating;
 use Modules\Media\Events\FolderWasCreated;
 use Modules\Media\Repositories\FolderRepository;
 
@@ -10,12 +11,14 @@ class EloquentFolderRepository extends EloquentBaseRepository implements FolderR
 {
     public function create($data)
     {
-        $folder = $this->model->create([
+        $data = [
             'filename' => array_get($data, 'name'),
             'path' => config('asgard.media.config.files-path') . str_slug(array_get($data, 'name')),
             'is_folder' => true,
             'folder_id' => array_get($data, 'parent_id'),
-        ]);
+        ];
+        event($event = new FolderIsCreating($data));
+        $folder = $this->model->create($event->getAttributes());
 
         event(new FolderWasCreated($folder, $data));
 

Modules/Media/Tests/EloquentFolderRepositoryTest.php

@@ -3,6 +3,7 @@
 namespace Modules\Media\Tests;
 
 use Illuminate\Support\Facades\Event;
+use Modules\Media\Events\FolderIsCreating;
 use Modules\Media\Events\FolderWasCreated;
 use Modules\Media\Repositories\Eloquent\EloquentFolderRepository;
 use Modules\Media\Repositories\FolderRepository;
@@ -50,6 +51,31 @@ final class EloquentFolderRepositoryTest extends MediaTestCase
         });
     }
 
+    /** @test */
+    public function it_triggers_an_event_when_folder_is_creating()
+    {
+        Event::fake();
+
+        $folder = $this->folder->create(['name' => 'My Folder']);
+
+        Event::assertDispatched(FolderIsCreating::class, function ($e) use ($folder) {
+            return $e->getAttribute('filename') === $folder->filename;
+        });
+    }
+
+    /** @test */
+    public function it_can_change_folder_data_before_creating_folder()
+    {
+        Event::listen(FolderIsCreating::class, function (FolderIsCreating $event) {
+            $filename = $event->getAttribute('filename');
+            $event->setAttributes(['filename' => strtoupper($filename)]);
+        });
+
+        $folder = $this->folder->create(['name' => 'My Folder']);
+
+        $this->assertEquals('MY FOLDER', $folder->filename);
+    }
+
     private function resetDatabase()
     {
         // Makes sure the migrations table is created