Added twig extension to format file size, links to download and delete files attached to the book.

src/Controller/BookController.php

@@ -99,9 +99,9 @@ class BookController extends AbstractController
 
                     $ebook->move(
                         $this->getParameter('book_files'),
-                        'ebook_' . $book->getId() . '_' . md5(
-                            $ebook->getClientOriginalName()
-                        ) . '.' . $ebook->guessClientExtension()
+                        'ebook_' . $book->getId() . '_' .
+                        md5($file->getFileName()) . '.' .
+                        $file->getExtension()
                     );
                 }
             }
@@ -126,16 +126,4 @@ class BookController extends AbstractController
 
         return $this->redirectToRoute('app_book_index', [], Response::HTTP_SEE_OTHER);
     }
-
-    #[Route('/download/{id}', name: 'app_book_download', methods: ['GET'])]
-    public function downloadBook(Book $book): BinaryFileResponse
-    {
-        return $this->file(
-            $this->getParameter('book_files') . '/' . 'ebook_' . $book->getId() . '.' . pathinfo(
-                $book->getOriginalFilename(),
-                PATHINFO_EXTENSION
-            ),
-            $book->getOriginalFilename()
-        );
-    }
 }