86.      
87.      
88.      public function download(Int $id = 0)
89.      {
90.  
91.          $post_attachment = DB::where('int:id', $id)->get('post_attachment')->row();
92.  
93.          $post = Model\Post::row($post_attachment->post_id);
94.          if (empty($post)) {
95. 
             redirect(URL::site(404));
96.          }
97.          $access = Model\Post::accessPost($post->category_id);
98.          if($access)
99.          {
100.             redirect('access-denied');
101.         }
102. 
103.         /*
104.         if (empty($post_attachment)) {
105.             throw new Pati_Exception_PageNotFound();