Refacto wallabag import

Use an abstract class to store all common action from wallabag vX import.
Move specificity in v1 & v2 import.

src/Wallabag/ImportBundle/Controller/WallabagController.php

@@ -0,0 +1,85 @@
+<?php
+
+namespace Wallabag\ImportBundle\Controller;
+
+use Symfony\Bundle\FrameworkBundle\Controller\Controller;
+use Symfony\Component\HttpFoundation\Request;
+use Wallabag\ImportBundle\Form\Type\UploadImportType;
+
+/**
+ * Define Wallabag import for v1 and v2, since there are very similar.
+ */
+abstract class WallabagController extends Controller
+{
+    /**
+     * Return the service to handle the import.
+     *
+     * @return \Wallabag\ImportBundle\Import\ImportInterface
+     */
+    abstract protected function getImportService();
+
+    /**
+     * Return the template used for the form.
+     *
+     * @return string
+     */
+    abstract protected function getImportTemplate();
+
+    /**
+     * Handle import request.
+     *
+     * @param Request $request
+     *
+     * @return Response|RedirectResponse
+     */
+    public function indexAction(Request $request)
+    {
+        $form = $this->createForm(UploadImportType::class);
+        $form->handleRequest($request);
+
+        $wallabag = $this->getImportService();
+
+        if ($form->isValid()) {
+            $file = $form->get('file')->getData();
+            $markAsRead = $form->get('mark_as_read')->getData();
+            $name = $this->getUser()->getId().'.json';
+
+            if (in_array($file->getClientMimeType(), $this->getParameter('wallabag_import.allow_mimetypes')) && $file->move($this->getParameter('wallabag_import.resource_dir'), $name)) {
+                $res = $wallabag
+                    ->setUser($this->getUser())
+                    ->setFilepath($this->getParameter('wallabag_import.resource_dir').'/'.$name)
+                    ->setMarkAsRead($markAsRead)
+                    ->import();
+
+                $message = 'flashes.import.notice.failed';
+
+                if (true === $res) {
+                    $summary = $wallabag->getSummary();
+                    $message = $this->get('translator')->trans('flashes.import.notice.summary', array(
+                        '%imported%' => $summary['imported'],
+                        '%skipped%' => $summary['skipped'],
+                    ));
+
+                    unlink($this->getParameter('wallabag_import.resource_dir').'/'.$name);
+                }
+
+                $this->get('session')->getFlashBag()->add(
+                    'notice',
+                    $message
+                );
+
+                return $this->redirect($this->generateUrl('homepage'));
+            } else {
+                $this->get('session')->getFlashBag()->add(
+                    'notice',
+                    'flashes.import.notice.failed_on_file'
+                );
+            }
+        }
+
+        return $this->render($this->getImportTemplate(), [
+            'form' => $form->createView(),
+            'import' => $wallabag,
+        ]);
+    }
+}