Upload files to a book from show book view.

assets/controllers/mydropzone_controller.js

@@ -1,6 +1,7 @@
 // mydropzone_controller.js
 
 import { Controller } from '@hotwired/stimulus';
+import axios from 'axios';
 
 export default class extends Controller {
     connect() {
@@ -18,19 +19,27 @@ export default class extends Controller {
 
     _onConnect(event) {
         // The dropzone was just created
-        console.info(event);
+        // console.info(event);
         console.info('onconnect');
+        //
+        // axios.get('/book/search/modyfikowany+węgiel').then(response => {
+        //     console.info(response.data);
+        // });
+
     }
 
     _onChange(event) {
         // The dropzone just changed
         console.info(event);
         console.info('onchange');
+
+        event.target.closest('form').submit();
+
     }
 
     _onClear(event) {
         // The dropzone has just been cleared
-        console.info(event);
+        // console.info(event);
         console.info('onclear');
     }
 }

src/Controller/BookController.php

@@ -5,6 +5,7 @@ namespace App\Controller;
 use App\Entity\Book;
 use App\Entity\File;
 use App\Form\BookType;
+use App\Form\FileType;
 use App\Repository\BookRepository;
 use App\Repository\FileRepository;
 use App\Service\FileService;
@@ -83,11 +84,33 @@ class BookController extends AbstractController
         return new JsonResponse($bookFinder->byUrl(base64_decode($urlInBase64)));
     }
 
-    #[Route('/{id}', name: 'app_book_show', methods: ['GET'])]
+    #[Route('/{id}', name: 'app_book_show', methods: ['GET', 'POST'])]
-    public function show(Book $book): Response
+    public function show(Book $book, Request $request, FileRepository $fileRepository): Response
     {
-        return $this->render('book/show.html.twig', [
+        $fileForm = $this->createForm(FileType::class);
+        $fileForm->handleRequest($request);
+
+        if ($fileForm->isSubmitted() && $fileForm->isValid()) {
+            /** @var \Symfony\Component\HttpFoundation\File\UploadedFile[] $ebooks */
+            $ebook = $request->files->get('file')['file'];
+            $file = new File();
+            $file->setFileName(trim($ebook->getClientOriginalName()));
+            $file->setFileSize($ebook->getSize());
+            $file->setExtension($ebook->guessClientExtension());
+            $file->setBook($book);
+            $fileRepository->add($file, true);
+
+            $ebook->move(
+                $this->getParameter('book_files'),
+                'ebook_' . $book->getId() . '_' .
+                md5($file->getFileName()) . '.' .
+                $file->getExtension()
+            );
+        }
+
+        return $this->renderForm('book/show.html.twig', [
             'book' => $book,
+            'file_form' => $fileForm
         ]);
     }
 
@@ -142,12 +165,15 @@ class BookController extends AbstractController
     }
 
     #[Route('/{id}', name: 'app_book_delete', methods: ['POST'])]
-    public function delete(Request $request, Book $book, BookRepository $bookRepository, FileService $fileService): Response
+    public function delete(
-    {
+        Request $request,
+        Book $book,
+        BookRepository $bookRepository,
+        FileService $fileService
+    ): Response {
         if ($this->isCsrfTokenValid('delete' . $book->getId(), $request->request->get('_token'))) {
             $fileService->removeFiles($book->getFiles());
             $bookRepository->remove($book, true);
-
         }
 
         return $this->redirectToRoute('app_book_index', [], Response::HTTP_SEE_OTHER);

src/Form/FileType.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace App\Form;
+
+use App\Entity\File;
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\TextType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+use Symfony\UX\Dropzone\Form\DropzoneType;
+
+class FileType extends AbstractType
+{
+    public function buildForm(FormBuilderInterface $builder, array $options): void
+    {
+        $builder
+            ->add(
+                'file',
+                DropzoneType::class,
+                [
+                    'mapped' => false,
+                    'data_class' => null,
+                    'required' => false,
+                    'attr' => [
+                        'data-controller' => 'mydropzone',
+                        'accept' => ".pdf, .epub, .mobi",
+                        'placeholder' => 'Drag and drop or browse'
+                    ]
+                ]
+            );
+    }
+
+    public function configureOptions(OptionsResolver $resolver): void
+    {
+        $resolver->setDefaults([
+            'data_class' => File::class,
+        ]);
+    }
+}

templates/book/show.html.twig

@@ -21,7 +21,7 @@
         </tr>
         <tr>
             <th>Description</th>
-            <td>{{ book.description | nl2br  }}</td>
+            <td>{{ book.description | nl2br }}</td>
         </tr>
         <tr>
             <th>Publisher</th>
@@ -61,6 +61,10 @@
             </tr>
         {% endfor %}
     </table>
+    {{ form_start(file_form) }}
+    {{ form_widget(file_form) }}
+    <button class="btn btn-primary">{{ button_label|default('Save') }}</button>
+    {{ form_end(file_form) }}
 
     <a href="{{ path('app_book_index') }}">back to list</a>