Move Import consumers to Core

src/Wallabag/CoreBundle/Consumer/AbstractConsumer.php

@@ -0,0 +1,90 @@
+<?php
+
+namespace Wallabag\CoreBundle\Consumer;
+
+use Doctrine\ORM\EntityManagerInterface;
+use Psr\Log\LoggerInterface;
+use Psr\Log\NullLogger;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+use Wallabag\CoreBundle\Entity\Entry;
+use Wallabag\CoreBundle\Entity\Tag;
+use Wallabag\CoreBundle\Event\EntrySavedEvent;
+use Wallabag\CoreBundle\Repository\UserRepository;
+use Wallabag\ImportBundle\Import\AbstractImport;
+
+abstract class AbstractConsumer
+{
+    protected $em;
+    protected $userRepository;
+    protected $import;
+    protected $eventDispatcher;
+    protected $logger;
+
+    public function __construct(EntityManagerInterface $em, UserRepository $userRepository, AbstractImport $import, EventDispatcherInterface $eventDispatcher, LoggerInterface $logger = null)
+    {
+        $this->em = $em;
+        $this->userRepository = $userRepository;
+        $this->import = $import;
+        $this->eventDispatcher = $eventDispatcher;
+        $this->logger = $logger ?: new NullLogger();
+    }
+
+    /**
+     * Handle a message and save it.
+     *
+     * @param string $body Message from the queue (in json)
+     *
+     * @return bool
+     */
+    protected function handleMessage($body)
+    {
+        $storedEntry = json_decode($body, true);
+
+        $user = $this->userRepository->find($storedEntry['userId']);
+
+        // no user? Drop message
+        if (null === $user) {
+            $this->logger->warning('Unable to retrieve user', ['entry' => $storedEntry]);
+
+            // return true to skip message
+            return true;
+        }
+
+        $this->import->setUser($user);
+
+        if (false === $this->import->validateEntry($storedEntry)) {
+            $this->logger->warning('Entry is invalid', ['entry' => $storedEntry]);
+
+            // return true to skip message
+            return true;
+        }
+
+        $entry = $this->import->parseEntry($storedEntry);
+
+        if (null === $entry) {
+            $this->logger->warning('Entry already exists', ['entry' => $storedEntry]);
+
+            // return true to skip message
+            return true;
+        }
+
+        try {
+            $this->em->flush();
+
+            // entry saved, dispatch event about it!
+            $this->eventDispatcher->dispatch(new EntrySavedEvent($entry), EntrySavedEvent::NAME);
+
+            // clear only affected entities
+            $this->em->clear(Entry::class);
+            $this->em->clear(Tag::class);
+        } catch (\Exception $e) {
+            $this->logger->warning('Unable to save entry', ['entry' => $storedEntry, 'exception' => $e]);
+
+            return false;
+        }
+
+        $this->logger->info('Content with url imported! (' . $entry->getUrl() . ')');
+
+        return true;
+    }
+}