Merge pull request #9 from jhylmb/patch-2

`Article` 모델 삭제 시 연결된 `Attachment` 모델 및 `public/files` 디렉토리에 저장된 파일도 삭제하도록 수정

Author: appkr

app/Http/Controllers/ArticlesController.php

@@ -7,6 +7,7 @@
 use Illuminate\Contracts\Pagination\LengthAwarePaginator;
 use Illuminate\Database\Eloquent\Collection;
 use Illuminate\Http\Request;
+use File;
 
 class ArticlesController extends Controller implements Cacheable
 {
@@ -177,12 +178,28 @@ public function update(ArticlesRequest $request, Article $article)
     public function destroy(Article $article)
     {
         $this->authorize('delete', $article);
+        
+        $this->deleteAttachments($article->attachments);
+        
         $article->delete();
 
         event(new \App\Events\ModelChanged(['articles']));
 
         return response()->json([], 204, [], JSON_PRETTY_PRINT);
     }
+    
+    public function deleteAttachments(Collection $attachments)
+    {
+        $attachments->each(function ($attachment) {
+            $filePath = $attachments_path($attachment->filename);
+            
+            if (File::exists($filePath)) {
+                File::delete($filePath);
+            }
+            
+            return $attachment->delete();
+        });
+    }
 
     /* Response Methods */